text: the fc. IMSA TALENT to Support Budding Science and '"^^n.o^^' Technology Entrepreneurs By Catherine C. Veal, Vice President for Advancement Think talented teenagers can conceive, design, Alumni Perspectives develop, test, evaluate and market ideas and IMSA alumni agree and see M - I productstochangethe world? IMSA does — and TALENT as one way of ensuring *^ ' ^ in 2004-05 will launch its Total Applied Learning ^^^^ ,^5^ remains at the forefront for Entrepreneurs (TALENT) program, thanks to ^f science, mathematics and Virginia B. Cherry (see page 9). technology education. In brief, IMSA TALENT will provide on-campus, "Currently students with potentially off-campus and virtual learning experiences and commercial ideas not only lack the resources to stimulate and encourage entrepre- ^^^^^ ^^ explore the idea, but also lack neurial applied science and technology projects by draining in the basic building principles IMSA students and other talented Illinois students. needed to take a product to market," said David TALENT also will support their understanding of j^^^^ ,gg j^^^g i^^ows firsthand the struggles and John Maxson (center) the entrepreneurial process required to take a rewards of doing so, having been the president meets with IMSA concept from idea to market. ^^d co-founder of Vindigo, www.vindigo.com, which students and House IMSAs commitment is closely aligned with the makes personal navigation tools and applications Speaker Dennis Hastert. Illinois Coalition's goal of driving economic growth for today's most popular handheld devices. through science and technology, said John Maxson, "|^ ^m ^^ interesting for students to explore how Illinois Coalition president (pictured right). scientific discoveries create new business land- scapes and allow new companies to take over — INSIDE: and examples where upstarts are beaten back 2i st Century when established players quickly adapt," Joerg Information Fluency ... .2 said. "The impact of IMSA TALENT will be ,wca ai • d n a ^ , , ■ IMSA Alumni Profile ... .4 students who are wise beyond their years in the ways of the business world." IMSA Fund Overview ... .5 ^,,- ,., , ,^-, • , -TA, i-M-r u J IMSA Kids Institute 3 Jennifer Ellis Ward '93, wishes TALENT had existed when she was at IMSA. "Two of NBPTS Certification 12 the hardest parts of being a scientist National Mathematical learning to be an entrepreneur are Modeling Contest 8 that business thinking is very Service to Illinois 10-11 different from thinking as a ^3^ ^^^^^ All-Academic Team 8 Continued on page 9 Wfiat Others Soy About IMSA 6-7 Traditional educational institutions prepare students for traditional jobs in business, education, government, and the arts. Today's graduates will be faced with broader opportunities, including many in the world of entrepreneurship. Young people need an early orientation to this new world, where they can be the beneficiaries of their own creativity and energies, J J said John Maxson, Illinois Coalition president. r^lMS/V A Pioneering Educational Community ^IMSA Illinois Mathematics and Science Academy* 1500 West Sullivan Road Aurora, Illinois 60506-1000 630/907-5000 IMSA BOARD OF TRUSTEES CHAIRMAN Dr. Luis Nunez Deputy Associate Laboratory Director Physical, Biological & Computing Sciences Argonne National Laboratory VICE CHAIRMAN Steven Isoye Principal, O'Plaine Campus Warren Township High School TRUSTEES Dr. Victoria Chou Dean, College of Education University of Illinois at Chicago Dr. Stanley E. Fish Dean, College of Liberal Arts and Sciences University of Illinois at Chicago Sheila MB Griffin President Griffin Holdings John H. McEachern, Jr Retired President/CEO Wayne Circuits, Inc. Kevin Murphy Teacher Lyons Township High School Dr. Chris Quigg Senior Theoretical Physicist Fermi National Accelerator Laboratory Dr Marsha Rosner Professor and Director Ben May Institute for Cancer Research University of Chicago Jesus Manuel Sosa Administrator Chicago Public Schools Sharon Tenhouse Teacher Liberty Elementary School EX-OFFICIO Dr. Sherry Eagle Super/ntenc/er7f Aurora West School District 129 Dr Daniel LaVista Executive Director Illinois Board of Higher Education Geoffrey S. Obrzut President/CEO Illinois Community College Board Dr. Robert Schiller State Superintendent Illinois State Board of Education PRESIDENT Dr. Stephanie Pace Marshall NOVA is published by the IMSA Office of Advancement. Send comments or questions to: Editor and Writer Brenda Buschbacher email@example.com Find Virtual Treasures on IMSA's 21 GIF Web Site By Jane St. Pierre, Director of Marketing and Communications How can knowledge of the "Opaque Web" improve your Internet research results? Where are the best sites about women in World War II? Through IMSA's 21st Century Information Fluency Program (21CIF), Illinois teachers and school librarians uncover the secrets of finding rich educational resources on the Web. More than 400 Illinois educators have enrolled in free online courses and workshops to learn the art of locating, evaluating and using Internet resources in the classroom. A Center for Life Long Learning While many educators enrolled in 21CIF courses and workshops, the 21CIF Web site {http://wizard.imsa.edu) is a hub for ongoing services and community building. The goal of the Web site is to build a community among colleagues who are dedicated to bringing online resources to school libraries and classrooms. It keeps members informed about news, services and programs, and developments in digital information services. "While the formal 21CIF courses and workshops are key components of the project, the Web site is a source for ongoing professional development," said Bob Houston, IMSA 21CIF project director. Practical Tools for School Libraries and Classrooms The Teaching/Learning Materials section of the Home Page provides tools to start a school-based Information Fluency Program. This section features "Self Guided Micro- Modules", an online teaching and learning package consisting of short, self-guided lessons that cover a wide range of Internet topics. The individual modules can be used by anyone from sixth grade through adult learners. The Teaching/Learning Materials section of the Web site also features Lesson Plans that use Internet resources and a Guide on creating a school- based Information Fluency Program. Produced by Illinois educators, the guide and lesson plans address National and State technology standards. A Source for Local News/National Trends The News Section covers headline stories on Internet trends and resources such as the latest poll of the seven largest Internet search engines. It also highlights timely information about 21CIF course and workshop openings and registration. The Links section contains Web links to items of interest and resources for educators. This section is constantly being updated with new and useful information. Networking Opportunities The website's Community Center enables educators to become part of an online community where they can share ideas, problem solve and network. Here educa- tors can be part of a weekly discussion forum, join a newsletter mailing list or visit a photo gallery of 21CIF members. IMSA also works closely with organiza- tions like the Illinois School Library Media Association (ISLMA) to get expert advice on the needs of Illinois educators. "ISLMA members are the 'eyes and ears' of Illinois school librarians, teachers and students, giving us the practical advice we need to develop relevant Internet tools for the classroom." said Dr. David Barr, director for Development of Online Resources at IMSA. To join the community of educators who are dedicated to digital information literacy, go to {http://wizard.imsa.edu). Funded by a grant from the U.S. Department of Education -Funds for the Improvement of Education, IMSA 21CIF instructional programs and services are free of charge to Illinois K-12 educators. Additional supporters include Andrew Corporation/Aileen S. Andrew Foundation and Ameren Corporation. '^mmmmm. IMSA Kids Institute' Serves Thousands of Illinois Youth By Britta Wilk McKenna, IMSA Kids Institute' Coordinator Due to popular demand, the IMSA on Wheels assembly-style science show will take centerstage this summer on Main Street at the Illinois State Fair. IMSA on Wheels and other programs presented through the IMSA Kids Institute' have more than 6,000 Illinois youths clammering for more. Each year, more than 125 IMSA students share their love of math and science with young people throughout Illinois. Through the Kids Institute (Kl), IMSA students learn the rewards of community service as they become tutors, classroom presenters and workshop leaders to Illinois youth. KI Leaders Win Awards Several Kl student volunteers were recently recognized for their service to Illinois. IMSA seniors Shareese Pryor and Alice Zhao of Aurora received the Aurora Youth Character Award for their Kids Institute and volunteer work in the Aurora community (see photo). Kl volunteer Kevin Bock of Geneva was selected as one of two IMSA seniors to receive the Illinois Principals Association (IPA) Youth Leadership Award (senior Annie Ko of Bolingbrook was the other recipient). IMSA on Wheels Rolls into Central Illinois IMSA on Wheels, IMSA's mobile science theater program, is now operating at full throttle. Just this year alone, 12 IMSA students presented IMSA on Wheels science shows to 32 schools and more than 5,000 elemen- tary students. A spring break tour through the Central Illinois towns of Streator, Peoria, Tremont, Bloomington and Normal reached five schools and 950 students in three days. Juniors Jessica Parr of Bradley and Susan Pinto of Chicago developed the new show, "Air and Pressure" for their IMSA inquiry project. In addition, senior Kevin Bock created an IMSA on Wheels DVD to IMSA seniors Danielle Ruffin, Shareese Pryor and Alice Zhao of Aurora receive the American Youth Character Award during the City of Aurora's 3rd Annual American Youth Character Awards luncheon sponsored by the Aurora Kiwanis Club. Also pictured are Aurora Chief of Police William Lawler and Vernon LaVia of the Aurora Kiwanis. be distributed to elementary and middle schools in the fall of 2004. This summer, IMSA on Wheels also will perform at the Main Street stage at the Illinois State Fair in Springfield, Saturday, August 14 and Sunday, August 15. In addition. Bock will perform a live teleconference to the State Fair. Elementary Students Join "Club IMSA" Launched in January, Club IMSA is an after school literacy and math program led by IMSA Kl student volunteers for 31 students in grades 2-5 at Johnson Elementary School in East Aurora. Inquiry student Shareese Pryor of Aurora and mentorship student Janet D'Souza of Chicago led the literacy portion of the project and Darian Turner of East St. Louis and Alice Zhao of Aurora led the math tutoring. Donors Support KI The IMSA Kids Institute continued to receive external funding support from the following generous donors during the 2003-04 school year: • The City of Aurora once again contributed $30,000 for operational support and scholarships; • BP contributed $10,000 to support the IMSA on Wheels DVD Project and Science Explorers, Jr. Camp; • 3M continued to support Kl with a grant of $5,000 for IMSA on Wheels; • Target Stores provided a grant of $2,000 to support Project READ; and an Aurora area business campaign supported six full Kl summer camp scholarships. A more detailed description of Summer 2004 Kl camps can be found online at www.imsa.edu/kidsinstitute. For information about the IMSA Kids Institute" or to be placed on the Kids Institute mailing list, please visit www.imsa.edu/kidsinstitute or call (630) 907-5987. r^lMSA Illinois Mathematics and Science Academy* 1500 West Sullivan Road Aurora. Illinois 60506-1000 630/907-5000 IMSA FUND BOARD OF DIRECTORS OFFICERS HONORARY CHAIRMAN James R. Thompson Partner and Chairman of the Executive Committee Winston & Strawn PRESIDENT Michael J. Birck VICE PRESIDENT William J. White Professor Northwestern University VICE PRESIDENT Gregory K. Jones Partner Edgewater Funds TREASURER Dr. Nandu N. Thondavadi Founding Chairman, President and CEO Mascon Global Limited SECRETARY' Catherine C. Veat Vice President for Advancement IMSA DIRECTORS Susan Snell Barnes President and CEO The Landmark Group of Companies John F. Berger Chairman and CEO Universal Internet Properties, Inc G. Thomas Castino Consultant to the President (Retired) Underwriters Laboratories, Inc. Martin J. DiMarzio '95 Sen/or Consultant Deloitte & Touche Michael W. Ferro, Jr. Chief Executive Officer Click Commerce. Inc. Sandra Goeken Vice Chairman The Goeken Group Chelsy A. Hopper '92 Graduate Student University of Illinois Richard A. Lumpkin Chairman and CEO Illinois Consolidated Telephone Company James D. Pearson (Retired) President Aurora Metals Division, L.L.C. Sendhil R. Revuluri '90, CFA Teacher Bronx Academy of Letters Robert E. Spitzer Vice President External Affiliations/University Relations The Boeing Company IMSA Alumni Profile: Erin Roche '89 By Eric J. Rettberg, Resident Counselor and Alumni Program Assistant Educational Leader, Chicago Public Schools The story of Erin Roche, professional educator and IIVISA '89 graduate, makes it clear that the Academy's influence includes the field of education. Today, Roche is an assistant principal at Noble Street High School, a charter school under the Chicago Public Schools Roche, one of the first beneficiaries of IMSA's unique educational model, acknowledges his IMSA experience as one factor that influences the way he views his work as an educator at a different kind of alternative high school. "One of the things I learned at IMSA," says Roche, "is that it's so important to have some adult connection, some- one who is looking out for you on every level — aca- demic, social, intel- lectual, spiritual — making sure you're having fun and making good friends, making sure you're developing yourself. I experienced that kind of situation with several teachers at IMSA, and it's a real focus of my interactions with students and co-workers at Noble Street." "Noble Street has been around for five years. It focuses on college prep, but it's nonselective — the student body is chosen by a stria lottery system, and anyone can apply. There are about 470 students; 80% are African American, 12% are Latino, and 85% come from low-income families." In June 2003, Noble Street graduated its first class, and its success speaks to the devotion of its staff. "100% of the class graduated, and about 80% went on to post-secondary school," says Roche. "That's phenomenal for a city school." Noble Street focuses on developing the whole person; physical fitness is a strong emphasis, as is an emphasis on positive interaction between adults and students. "One of the reasons I like Noble Street so much is its advisory system," says Roche. A class period each day finds an adult advisor "constantly encouraging the students, pushing them to do better." Value of IMSA While many IMSA graduates go on to careers specifically oriented toward math, science, and technology, IMSA provides a holistic education that provides its gradu- ates with an endless variety of other careers. Roche sees these non-math-and-science-related opportunities as an essential part of IMSA's role. "A few engineers or computer scientists coming out of IMSA will not solve Illinois' problems," says Roche. "It's a variety of careers, an emphasis on forming ethical leaders with strong values, that will improve the state. A background in math and science can help someone do any job well." Grants Extend IMSA's Reach in Illinois A $210,000 grant from the Grand Victoria Foundation to support the Problem-Based Learning Network at IMSA tops the list of major grants received this year through the IMSA Fund for Advancement of Education. This second grant from the foundation (the IMSA Fund received a $100,000 grant in 2003) will provide ongoing support to deliver high quality professional develop- ment for two more years to area teachers and school districts involved in IMSA's Fox Valley Problem-Based Learning initiative. Participating schools and districts include Batavia School District #101, Burlington School District #301, East Aurora School District #131, St. Charles School District #303 and Marmion Academy in Aurora. Ameren Grant Serves Central and Southern Illinois in addition to the Grand Victoria Foundation grant, a grant from St. Louis- based energy services company Ameren Corporation will help IMSA serve central and southern Illinois. In addition to supporting PBL training, the Ameren funds will support IMSA's Excellence 2000-h Program, a mathematics and science enrichment program for Illinois middle schools, and the 21st Century Information Fluency Project (see story on page 2), an Internet skills program for Illinois teachers. "Supporting our teachers is an invest- ment in the future of our state," said Richard J. Mark, Ameren vice president of Governmental Policy and Consumer Affairs. Chicago Community Foundation, SBC and Molex Support Other IMSA Programs The Chicago Community Foundation, the SBC Foundation and Molex Incorporated each contributed $25,000 to the IMSA Fund for a variety of IMSA programs. Dr. Norman Lederman, chair of the Department of Mathematics and Science Education at the Illinois Institute of Technology, addressed teachers May 14 in IMSA's Fox Valley Problem-Based Learning Initiative. The Chicago Community Foundation grant supported IMSA's Assessment Capacity Building Project designed to build an assessment system to transform the way schools measure student success. This new system will focus on measuring a student's "deep conceptual understanding" of subjects rather than simply measuring how well a student remembers facts and content. A grant from the SBC Foundation allowed IMSA to enhance and expand its Student Leadership Development program by sup- porting a number of new initiatives to help students gain a better understanding of ethical decision-making. Student leadership initiatives supported by the grant include a weeklong leadership training seminar, a leadership symposium and the creation of a student-produced multi-media CD-ROM containing a leader- ship guide for other Illinois schools. Finally, a grant from Molex Incorporated supported the IMSA Great Minds Program®. The Great Minds Program is shared with students and teachers throughout Illinois and beyond through seminars, dialogues and community lectures. Other Gifts to the IMSA Fund other recent gifts to the IMSA Fund included a $10,000 grant from the Circle of Service Foundation Inc. in Vernon Hills, IL. and a $5,000 grant from Lucent Technologies for IMSA's S.E.A.M.S. (Summer Enrichment for Academics in Mathematics and Science) program. This two-week residential program at IMSA serves underrepresented students entering the 9th grade who need to further improve their mathematics, science and English skills. The S.E.A.M.S. program includes a variety of hands-on experiential learning oppor- tunities and fosters group inquiry and problem-solving. Activities include topics in geometry, observation skills, physics and research skills. What Others Say About IMSA State and National Media Tout IMSA "... the Illinois Math and Science Academy offers a different vision of what education could be. Or should be." Peoria Journal Star January 1 1, 2004 One only needs to read recent articles in The Wall Street Journal, the Chicago Sun-Times, the Peoria Journal Star, the national School Library Journal or Illinois Issues magazine to realize the breadth and depth of IMSA's influence. These are among numerous media that have profiled IMSA's value to the state of Illinois and nation in recent months. The Wall Street Journal Ranking In the April 2, 2004 issue of The Wall Street Journal, IMSA was recognized as one of the top 65 "successful high schools across the country" based on admission to 10 selective colleges, including seven Ivy League schools. In the story, "The Price of Admission: Your Tuition Dollars at Work," IMSA was also recognized as a high school that "delivered the most value." Experiment in Learning In October 2003, the Chicago Sun-Times article "Experiment in Learning" profiled the Academy's charter class, the Class of 1989, 15 years after they graduated. The article featured interviews with IMSA graduates who are now making their mark in a variety of fields including science, education, business, computer science and others. IMSA Alum Thandeka Chapman of DeKalb, an assistant professor of urban education at the University of Wisconsin- Milwaukee, told the Sun-Times that her three years at IMSA were "intense." "It was probably the toughest three years I've ever endured," Chapman said. "But I'm definitely glad I went there ... I wish more kids could experience the learning I did." Alum Erin Roche (see his profile on page 4), assistant principal at Noble Street Charter School in Chicago, said the IMSA teachers had a real passion for their subjects. "Lots had such wonderful enthusiasm, it was palpable," Roche told the Sun-Times. "You could just see the vibrations off their skin when kids got it." In addition to the Sun-Times article on IMSA's Charter Class, IMSA President Dr. Stephanie Pace Marshall was recognized by the newspaper this spring as one of the 100 most powerful women in Chicago, and one of the 10 most powerful in the field of education. Degree of Excellence In January 2004, the Peoria Journal Star profiled students from the Peoria and Bloomington-Normal readership area after visiting the Academy earlier in the year. The article "Degree of Excellence" took an in-depth look at the daily life of an IMSA student and at what makes its learners "decidedly different." The article described IMSA as a "collabo- rative, research-based environment" that is "further fueled by a mandatory research and inquiry requirement that exposes students to scholars and scientists at more than 100 institutions in and around Chicago." Student Nick Rossi of Tremont told reporter Pam Adams that one outcome of the collaborative environment at IMSA was that "cliques" hardly exist. "There's no room for them, we're all so dependent on each other." "Hardly Rocket Science" In February 2004, the national School Library Journal touted IMSA's 21st Century Information Fluency Program (see article on page 2) for helping to bridge the information gap between mathematics and science teachers and librarians. In the 21st Century Information Fluency Program (21CIF), teachers and librarians throughout Illinois participate in online professional development workshops to help improve math and science learning in the classroom. The article "Hardly Rocket Science" cited specific examples of how IMSA's 21CIF Program is helping to improve learning in Illinois classrooms including the following: In the IMSA Information Fluency project... participating math and science teachers and their librarian peers have created engaging and dynamic lesson plans. For example, science teacher Belinda Veillon and media specialist Jane Larson from Nippersink Middle School in Richmond, IL, co-designed a unit to teach gifted sixth graders how to find sites with credible information on nanotechnology. This project appears on the 21CIF Web site at wizard.imsa.edu. In addition, the article also featured online math and , science tools for librarians recom- mended by Paula Garrett, coordina- tor of the IMSA Information Resource Center. Illinois Issues Magazine In the May 2004 issue of Illinois Issues magazine, the article "Brain drain" examined the need for educators in Illinois who can help to increase the math and science talent pool in an increasingly high-tech world. The article touts IMSA as a school "built in 1985 to tackle sagging interest and performance head on and build Illinois' future talent pool." IMSA is cited as a school where teachers "fight Americans' social acceptance of statements such as 'I was never any good at math,'." Dr. Marshall told reporter Marcia Frellick the need to change math and science curriculum materials currently being used. Marshall told Illinois Issue^., "This is the age of mathematics and science. What has been discovered in the last 20 years is phenomenal. If our kids cannot speak it fluently, they will be locked out of the world's equntion." IMSA Students Hit Grand Slam at Math Modeling Contest By Brian Thornburg, Assistant Writer Who says today's students don't find math relevant? A team of three IMSA students put their mathematical and problem- solving skills to work to create a mathematical model focusing on the dimensions of various Major League Baseball parks and how "fair" they are to player performance. For the second consecutive year, Jeffrey Chang of Glenview, Alex Garivaltis of Hinsdale, and David Xu of Naperville received the highest ranking possible of "National Outstanding" at the High School Mathematical Contest in Modeling (HiMCM). Only eight teams out of 274 that competed nationwide received this ranking. Teams of up to four students from 43 high schools across the country worked at their schools during a predetermined 36-hour period. Each team chose one of two modeling problems offered and then constructed their solutions. "I was excited and proud when I saw that we had won," said Chang. "When I saw David and Alex we just gave each other really big grins," he said. "There is a really nice sense of satisfaction, after we put in these grueling 36 hours, to know that we did a good job." Ball Park Basics Fence distances from home plate and outfield wall heights were taken into consideration for the model, as well as atmospheric conditions such as wind speed and air pressure. field and 335 to right field. Their paper will be published this spring in a special issue of the COMAP (Consortium for Mathematics and Its Applications) bulletin. Students determined of the six ballparks analyzed, Yankee Stadium in New York City provided the optimal conditions for player performance. Other parks that followed in ranking order from favorable to less favorable were parks in Atlanta, Minneapolis-St. Paul, Miami, Anaheim and Denver. "We discussed (and argued) about the concept of fairness in ballparks, how ^^^.«_^HBiit___ works be a ^^^^^I^B^^IIIIIIIIHIHIIHHII way to the ^^^^H^^^'^^w^^^^^^^^^l The students also determined that the ^^^^^^^^'"^ J^^^^^SI^^B optimal dimensions for a truly "fair" ball- f^^^^Km^'^ _^^!w^^^^tlBSftli park would measure 387 feet from home t^^^^^BSS^^^^^^^^^SlS^M to the left field fence, 434 feet to center ^^^^^^'» ^~«"rin|^^^^^B!3^Rfl 1 5 "■ ■ ■ We had to make a number of assumptions about the physical ballpark and the game play we were simulating, such as the shape of the field, initial batting conditions, and air drag on the ball, which we felt were necessary in order to have a feasible model. 1 / IMSA Senior Named to USA TODAY'S 2004 All-USA High School Academic First Team mJBATODKfxom > 2004, USA TODAY Reprinted with pen Bobby Xu IMSA senior Bobby Xu of Naperville was the only student from Illinois to be named to USA TODAY'S 2004 All- USA High School Academic First Team. He was one of 20 students named in its 18th annual competition out of more than 1,600 nominees nationwide. "These students are truly an example of outstanding scholarship, intellectual achievement and leadership. We are proud to recognize these exceptional students who inspire us all," said USA TODAY Editor Ken Paulson. For a full excerpt of the USA TODAY article, go to www.usatoday.com/news/education/ 2004-05-11-first-hi-academic_x.htm Xu plans to attend Harvard in the fall. In addition to Xu, IMSA senior Peter Wang of Naperville received an honorable mention in the competition. Both Wang and Xu also were named semifinalists earlier in the year in the 63rd Intel Science Talent Search competition. Xu's research, conducted through the IMSA Mentorship Program and focused in the field of biomedical engineering, investigated the development of effective treatments for brain disorders such as epilepsy and schizophrenia. He is first author of a paper published in Physics in Medicine and Biology and also was a delegate to the NATO science conference in Hungary. Outstanding individual schol- arship or intellectual achievement, and leadership roles in activities on or off campus were the most important criteria to the USA TODAY judges. Students also were judged on academic performance, honors, awards, rigor of academic pursuits and the ability to express themselves in writing. USA TODAY is the nation's top- selling newspaper with a total average daily circulation of 2.3 million. It is published via satellite at 36 locations in the USA and at four sites abroad. ARTICLE CONTINUED FROM PI scientist and getting funding for good ideas is very difficult," she said. A founding scientist of Meoigen Biotechnology, Inc., www.meiogen.com, Ward began her research during her IMSA years, working with Dr. Leonard Maroun at Southern Illinois University School of Medicine in Springfield. Eventually, the mouse studies that were part of Ward's project became proof of concept for a series of patents to use anti-interferons to treat Down Syndrome. To translate their idea from lab to clinic and get promising drugs to market, Meiogen was born. The company's proprietary products and methods center on cytokine-related neurological diseases like Down Syndrome, Alzheimer's and AIDS dementia. While the science is "going really well," Ward says attracting venture capital can be taxing. "Unfortunately, many investors do not feel that a drug for Down Syndrome is very marketable. We are trying to change that misperception," she said. Ben Chelf '96 is one of the founders of Coverity, Inc., www.coverity.com, which provides state-of-the-art source code analysis technology. His work was featured in the April issue of Linux Magazine, www.linux-mag.com. The technology is considered breakthrough because it can detect many types of bugs extremely efficiently in real systems such as Linux. "Through starting a company, I learned so much about how technology can be taken from academia and applied in the real world," Chelf said. "The fact that IMSA is now taking steps to assure that students ten years my junior can learn these same lessons is encouraging. Initiating the TALENT program solidifies my belief that the Academy is on the cutting edge of educating our future leaders to guide Illinois, our nation and the world." Eric McLaren, IMSA vice president for academic programs and principal, looks forward to IMSA's expanding role in nurturing budding science and technology entrepreneurs. "We eagerly anticipate that more of our graduates and other talented Illinois students will follow in the footsteps of pioneering IMSA alumni like Dave, Jenn and Ben," he said. Virginia B. Cherry Gives $150,000 for IMSA TALENT The IMSA Fund for Advancement of Education has received a major gift of $150,000 from Virginia B. Cherry, in memory of her husband, Walter L. Cherry, to help jump start IMSA TALENT Mrs. Cherry's generous commitment will fund the IMSA TALENT Cherry Apprentices Program, a formal three-year pilot program, in collaboration with the Illinois Coalition, www.ilcoalition.org, to help launch IMSA TALENT and test various ideas and strategies for developing high school students' interests and skills in entrepreneurial science and technology applications. Walter Cherry, who died in 1996, founded Cherry Corporation, www.cherrycorp.com, 50 years ago with an idea to provide an improved snap action electrical switch. Based in Waukegan, IL, today the company is a global leader in the design, development, and manufacture of automotive switches and modules, computer keyboards, and switches and controls for various commercial and industrial applications. Mr. Cherry was an early fan of IMSA and Mr. and Mrs. Cherry were early donors to the IMSA Fund. Peter Cherry, Chairman and President of Cherry Corporation, said, "My father was imbued with the entrepreneurial spirit and knew of its vital importance to the future of industry in not only this country, but also the world. Upon his return from every visit to IMSA, he came back with a genuine and infectious enthusiasm for the young people he had met, so my mother and I are certain he would be delighted to support IMSA's exciting TALENT program." IMSA President Dr. Stephanie Pace Marshall, said, "We are deeply honored and very grateful that the Cherry family shares our far-reaching commitment to develop talent and leadership in mathematics, science and technology for society and the workforce of tomorrow." <d Service to Illinois and Beyond Professional Contributions Recent examples include: Dr. Raymond Dagenais, IMSA professional development specialist in mathematics and science, assisted in the development and review of the new physics teacher certification test as a member of the Illinois State Board of Education's Physics Content Advisory Committee. Physics teacher Laura Nickerson (IMSA '92) was nominated to the National American Association of Physics Teachers Committee on Minorities in Physics. In this role, Nickerson will help to find more effec- tive ways of recruiting and retaining minorities in physics careers and help minority physicists to overcome barriers to career development. Dr. Peggy Connolly, mentorship coordinator for the Mentorship-lnquiry Team, was elected as a member of the Board of Directors of the National Association of the Academies of Science (NAAS) and the NAAS official delegate to the Council of the American Association for the Advancement of Science (AAAS). Principal Eric McLaren served as the North Central Association Visitation Team Chairman for St. Charles North High School. In this role, McLaren helped to guide the accreditation process to lead St. Charles in the development and implementation of strategies to address their school improvement goals. Mathematics teacher Dr. Michael Keyton presented The Midsegment Theorem in (un) important and Theorems of Mystery at the Teachers Teaching with Technology International Conference in New Orleans. IMSA Chief of Security Jim Bondi authored the chapter School Security and Strategic National Stockpile Distribution Site Operation in the recently published book The First 72 Hours: A Community Approach to Disaster Preparedness. Wellness teacher Barbara Baber will serve as a Trainer this summer for the National Board of Professional Teaching Standards. In this role, Baber will train and supervise other physical education teachers as Assessors (scorers) for the Documented Accomplishments portfolio entry for Early- Middle Childhood Physical Education and Early Adolescent to Young Adulthood Physical Education. Student Achievements Recent examples include: IMSA senior Bobby Xu of Naperville was the only student from Illinois to be named to USA TODAY'S 2004 All-USA High School Academic First Team. He was one of 20 students named in its 18th annual competition out of more than 1,600 nominees nationwide. IMSA junior Timothy Credo of Highland Park was one of only 24 students selected to be a member of the United States Physics Team out of more than 1,500 nominees nationwide. IMSA senior Paul Bierdz of Oak Forest also was named a semi-finalist in the competition. Credo was selected as a member of the team based on a semi-final exam, his transcript and academic summary, an application and letter of recommendation. IMSA seniors Joshua Johnson of Channahon and Aretha Chakraborti of Naperville co-presented Using Tissue Culture for Inquiry in the Science Classroom with IMSA science teacher Dr. Don Dosch and Dr. Judith Scheppler, coordinator of the Grainger Center for Imagination and Inquiry, at the American Society for Cell Biology annual meeting. IMSA's 17-member Science Olympiad Team finished third in the state, earning medals in 10 events at the Illinois State Science Olympiad. IMSA junior Yuguan Shen of Springfield was a national finalist in the Young Epidemiology Scholars competition. He was selected for his study on the mortality rate during the 1995 Chicago heat wave and how this could help target public health efforts to prevent premature deaths. IMSA senior Jeff Chang of Glenview was chosen to participate in the International Science and Engineering Fair in Korea. IMSA seniors Maggie Biel of Harwood Heights and Mark Czynski of Mundelein were selected to present papers at Sakharov Readings in St. Petersburg, Russia. Biel's research Stability of Phase Markers of Melatonin and Temperature Over Phase Shifts Under Normal Sleep Conditions was conducted in IMSA's Mentorship Program at Northwestern University Medical School. Czynski's research Extending the Search for Supersymmetry with CDF Data also was conducted in mentorship at the University of Chicago and Fermilab in Batavia. Twenty-eight IMSA students received medals in the National Russian Essay Contest and four of them earned Gold or Silver certificates of merit from the Pushkin Institute in Moscow. IMSA junior Conan Liu of Hanover Park was awarded a full scholarship to the 2004 Telluride Association Summer Program at Cornell University titled "Pleasure and Danger: Bodies in History, Science, Literature and Philosophy." IMSA senior Agnes Rec of Wheaton earned second place in the nation on the National French Exam (Level 5). As a result she competed and won a scholarship to study at the Sorbonne in Paris for one month this summer. IMSA senior Heather Taff of St. Charles was a Gold Key winner in the prestigious Scholastic Art and Writing Awards in the category of memoir writing. As a result, her work advanced to the national level from more than 5,000 submissions. The IMSA Boys Tennis Team placed 8th in the state in the Illinois High School Association (IHSA) state tennis tournament. m^ Alumni Achievements Recent Examples include: Class of 2000 graduate Alexa Bisinger of Naperville received the prestigious Fulbright Scholarship to study women's health issues in Ecuador. Bisinger will spend 10 months researching how cultural and social factors influence women's healthcare decisions, including whether their choices contribute to the South American nation's higher-than-average mortality rate among women who are pregnant or giving birth. Class of 2001 graduates Jeff Tamer of Schaumburg and Steve Downing of West Chicago qualified for the world finals of the International Collegiate Programming Contest in Prague. They are part of a three-person team from the University of Illinois at Urbana-Champaign — one of only 11 teams in the nation to advance to world finals Class of 1996 graduate Michael Brody of Highland Park was named a Policy Advisor to Illinois Governor Rod Blagojevich in the area of homeland security. Class of 1993 graduate Shelley Minteer of Aledo, assistant chemistry professor at St. Louis University, helped to invent a biofuel cell that would power devices such as cell phones or laptop computers with ethanol-based substances. The bio- fuel cell she helped to invent can hold 62 times more energy than traditional batteries, and will not harm the environment. Class of 1999 graduate Josh Gerlick of Somonauk is one of three founders of EANeedle, a fledgling company that is developing technology that uses ultra- sounds for biopsies in places that were almost impossible to reach using ordinary needles. This new technology promises to make earlier detection, better care and less invasive techniques possible for cancer patients. This issue of NOVA is dedicated in honor of retiring Charter Staff Members Susan Eddins, mathemat- ics faculty, Dr. Connie Hatcher, vice president for educational programs and services and Dr. LuAnn Smith, director of institutional research and enrollment management. Thank you for your outstanding commitment to IMSA, the students and educators we serve and the people of Illinois. 1986-2004 IMSA Class of 1998 graduate Nicole Gerlach of LaGrange Park, a doctoral student in animal behavior at Indiana University, is pictured next to the newly renovated Wolf Woods exhibit at Brookfield Zoo. The exhibit was designed based on IMSA's Ecology "Kill Site" problem- based learning activity created by IMSA faculty member John Thompson. A sign at the exhibit states "Thanks to IMSA for inspiring this unique experience." -€B^ IMSA Faculty Members Receive National Teaching Certification; Highest Standards for the Teaching Profession Almost one out of every four IMSA faculty members is now certified with the National Board Of Professional Teaching Standards, the highest standards for the teaching profession. Three more IMSA faculty members recently completed all of the requirements to receive certification with the National Board of Professional Teaching Standards (NBPTS). Micah Fogel of Aurora, a mathematics teacher for nine years at IMSA and an educator for 12 years, was certified in Adolescence and Young Adulthood/ Mathematics teaching, Steve Condie of Naperville, a mathematics teacher for six years at IMSA and an educator for 13 years, also was certified in Adolescence and Young Adulthood/Mathematics teaching. Branson Lawrence of Somonauk, a science teacher at IMSA for 1 1 years and an educator for 23 years, received certification in Young Adulthood/Science teaching. As part of the National Board Certification* process, each teacher compiled and submitted a teaching portfolio which included videotapes of classroom teaching, lesson plans, student work samples and reflective written commentaries that detail what they, as teachers, were doing and why. They also had to complete an assessment involving a series of written exercises designed around challenging teacher issues such as curriculum design, student assess- ment and content knowledge. Certified IMSA faculty members also continue to help guide other Illinois teachers seeking NBPTS certification. This summer for the third year. Wellness teacher Barbara Baber, who was certified in November of 2001, will serve as a Trainer for the NBPTS. In this role, Baber trains and supervises other Physical Education teachers as Assessors (scorers) for the areas of Early-Middle Childhood/ Physical Education and Early Adolescence and Young Adulthood/Physical Education. Baber ensures that each teacher-candidate receives a fair, reliable and valid assessment of their work for their area. Recently, Baber conducted an assessment workshop for PE. teacher candidates and an awareness workshop for potential candidates. The National Board for Professional Teaching Standards, founded in 1987, is an independent, nonprofit, nonpartisan and non-governmental organization dedicated to raising the level of teaching excellence in classrooms throughout America. r^lMSA Illinois Mathematics and Science Academy'^ 1500 West Sullivan Road Aurora, Illinois 60506-1000 Address Service Requested NON PROFIT ORG. U.S. POSTAGE PAID AURORA, IL PERMIT NO. 129 Visit us on the World Wide Web! http://www.imsa.edu/ Although we strive for accuracy, if you see an error in your mailing label please call the Office of Advancement (630) 907-5033. Printed by Authority of the State of Illinois, 6,500 06/04, Purchase Order No. 600315.


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June Thomson and Giselle Ross are inextricably linked by two unspeakable acts of evil. On the same day, a few miles apart, their estranged husbands slaughtered their children. The murders were not driven by rage, or committed in moments of madness. They were planned, and carried out with chilling precision, to inflict the worst pain imaginable. June and Giselle did not know each other. Tragedy is all that binds them- they were destined to come together as 'sisters', united by pain, grief and a sense of loss so immense that it would drive both to the brink of madness. June's life with Rab Thomson had been a dark and turbulent existence, characterised by mental torture, physical violence and rape. Giselle's relationship with Ashok Kalyanjee had been a strange and distant affair, of lives spent apart before, during and after marriage. But both relationships had produced two beautiful children, and the women believed that their misery was in the past. Both mothers believed it was important to allow the fathers' access to their children. On that fateful Saturday in May 2008, neither could have conceived that the men they had once loved would do anything to harm their children. But they were wrong, so terribly wrong. Nothing can bring their children back. But June and Giselle have one solitary comfort: they are no longer alone. Their lives may have been torn apart, but they have each other. Together, they are stronger. This is the story of their parallel journeys: of the dreadful days before, during, and after the murders of their children. Told in their own words, with searing honesty of their pain, and guilt, it is a story of endurance, friendship, and survival against the odds. It is not a story for the faint hearted, but it is a story that must be told, for in the end, it is a testament to the human spirit.
About June ThomsonJune Thomson was born in Ayrshire. Growing up in a broken home left her with a legacy of loneliness and isolation. When she met and married Rab Thomson she mistook his jealousy for love. She soon learned it was a need to control her. June endured 27 years with a man who beat and raped her. When she finally found the courage to leave, Rab took a hellish revenge. Giselle Ross was born in Glasgow into a home so loving that she did not leave until she was 32 years old. She was swept off her feet by devious charmer Ashok Kalyanjee. He persuaded her to elope and then quickly isolated her from her family. The relationship was doomed before it began, but when Giselle broke free, there was an appalling price to pay. Marion Scott and Jim McBeth are a husband and wife team, helping June and Giselle to tell their story. Marion is an award-winning journalist with Scotland's biggest newspaper, The Sunday Mail. As well as winning accolades for her campaigning work on child abuse issues and miscarriages of justice, she has won the Campaigning Journalist of the Year award. Jim has been writing for national newspapers for 43 years. He currently works for the Daily Mail. He has also contributed to a number of national television and BBC radio documentaries.
Details Book
|June Thomson
|Harper Element
|Data Published
|10 November 2011
|Format Book
|PDF, Epub, DOCx, TXT
|Number of Pages
|304 pages
|Age +
|15 years
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text:
Welcome to the website of Denis Gebauer
Learn about available positions
News # News # News
Chemistry of Materials article available online "Osteopontin Stabilizes Metastable States Prior to Nucleation during Apatite Formation"
Osteopontin, a phosphoprotein with strong ties to in vivo bone mineralization, is shown to change the precipitation pathway of calcium phosphate. We show that the presence of the phosphoprotein even in minute concentrations can stabilize an otherwise oversaturated mixture against precipitation. At moderate concentrations we find that the protein introduces a new intermediate state into the reaction pathway leading to apatite formation. This new intermediate was found to share many characteristics of a coacervate or Polymer Induced Liquid-like Precursor (PILP) phase. Our results show that these kinds of complex phases should be considered when discussing the mechanisms of bone mineralization on a sub-cellular level. [Chem. Mater. (2016); DOI: 10.1021/acs.chemmater.6b01088]
Jonathan Avaro has joined the team as a postdoctoral researcher. Welcome!
Jonathan's project is a collaboration with Karin Hauser within the framework of the SFB 1214.
Chemical Science article available online "A general strategy for colloidal stable ultrasmall amorphous mineral clusters in organic solvents"
While nature exerts precise control over the size and chemical composition of minerals, this is still a challenging task for artificial syntheses. Despite its significance, up to now, there are still no reports on colloidal mineral nanoparticles in the subnanometer range. Here we developed a general gas diffusion strategy using 10,12-pentacosadiynoic acid as ligand and ethanol as solvent to fabricate stable amorphous mineral clusters with a core size of less than 2 nm. First discovered for CaCO3, the method was successfully extended to produce monolayer protected clusters of MgCO3, SrCO3, Eu2(CO3)3, Tb2(CO3)3, Ce2(CO3)3, Cax(PO4)y, CaC2O4 and their hybrid minerals, CaxMgy(CO3)z and Cax(CO3)y(PO4)z. All the mineral clusters can be well dispersed in organic solvents like toluene, and are stable for a long period without further crystallization. Our work paves a way for the artificial synthesis of colloidal mineral clusters, which may gain various uses in both fundamental research and industry. [Chem. Sci. (2016); DOI: 10.1039/C6SC02333A]
Journal of Chemical Physics article available online "Polyaspartic acid facilitates oxolation within iron(iii) oxide pre-nucleation clusters and drives the formation of organic-inorganic composites"
The interplay between polymers and inorganic minerals during the formation of solids is crucial for biomineralization and bio-inspired materials, and advanced material properties can be achieved with organic-inorganic composites. By studying the reaction mechanisms, basic questions on organic-inorganic interactions and their role during material formation can be answered, enabling more target-oriented strategies in future synthetic approaches. Here, we present a comprehensive study on the hydrolysis of iron(iii) in the presence of polyaspartic acid. For the basic investigation of the formation mechanism, a titration assay was used, complemented by microscopic techniques. The polymer is shown to promote precipitation in partly hydrolyzed reaction solutions at the very early stages of the reaction by facilitating iron( iii) hydrolysis. In unhydrolyzed solutions, no significant interactions between the polymer and the inorganic solutes can be observed. We demonstrate that the hydrolysis promotion by the polymer can be understood by facilitating oxolation in olation iron(iii) pre-nucleation clusters. We propose that the adsorption of olation pre-nucleation clusters on the polymer chains and the resulting loss in dynamics and increased proximity of the reactants is the key to this effect. The resulting composite material obtained from the hydrolysis in the presence of the polymer was investigated with additional analytical techniques, namely, scanning and transmission electron microscopies, light microscopy, atomic force microscopy, zeta potential measurements, dynamic light scattering, and thermogravimetric analyses. It consists of elastic, polydisperse nanospheres, ca. 50-200 nm in diameter, and aggregates thereof, exhibiting a high polymer and water content. [J. Chem. Phys. (2016); DOI: 10.1063/1.4963738]
Angewandte Chemie International Edition communication available online "Distinct Short-Range Order Is Inherent to Small Amorphous Calcium Carbonate Clusters (<2 nm)"
Amorphous intermediate phases are vital precursors in the crystallization of many biogenic minerals. While inherent short-range orders have been found in amorphous calcium carbonates (ACCs) relating to different crystalline forms, it has never been clarified experimentally whether such orders already exist in very small clusters less than 2 nm in size. Here, we studied the stability and structure of 10,12-pentacosadiynoic acid (PCDA) protected ACC clusters with a core size of ca. 1.4 nm consisting of only seven CaCO3 units. Ligand concentration and structure are shown to be key factors in stabilizing the ACC clusters. More importantly, even in such small CaCO3 entities, a proto-calcite short-range order can be identified but with a relatively high degree of disorder that arises from the very small size of the CaCO3 core. Our findings support the notion of a structural link between prenucleation clusters, amorphous intermediates, and final crystalline polymorphs, which appears central to the understanding of polymorph selection. [Angew. Chem. Int. Ed. (2016); DOI: 10.1002/anie.201604179]
Denis Gebauer serves as the Guest Editor of the Minerals Special Issue "Nucleation of Minerals: Precursors, Intermediates and Their Use in Materials Chemistry"
Nucleation is the key event in mineralization, but a general molecular understanding of phase separation mechanisms is still missing, despite more than 100 years of research in this field. In the recent years, many studies have highlighted the occurrence of precursors and intermediates, which seem to challenge the assumptions underlying classical theories of nucleation and growth. This is especially true for the field of biomineralization, whereas bio-inspired strategies take advantage of the precursors' and intermediates' special properties for the generation of advanced materials. All of this has led to the development of "non-classical" frameworks, which, however, often lack quantitative expressions for the evaluation and prediction of phase separation, growth and ripening processes, and are under considerable debate. It is, thus, evident that there is a crucial need for research into the early stages of mineral nucleation and growth, designed for the testing, refinement, and expansion of the different existing notions. This Special Issue aims to bring together corresponding studies from all these areas, dealing with precursors and intermediates in mineralization processes. We welcome fundamental physical chemical studies, experimental, as well as theoretical, but also detailed analyses and characterizations of the formation mechanisms of both biogenic and bio-inspired, mineral-based (hybrid) materials. We also solicit methodological studies employing cutting-edge in situ analytics. The hope is that this Special Issue will contribute to the achievement of a better understanding of nucleation precursors and intermediates, and their target-oriented use in materials chemistry.
Manuscripts should be submitted online at www.mdpi.com by registering and logging in to the website. Manuscripts can be submitted until the deadline of 31 May 2017. Papers will be published continuously (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as communications are invited.
Johanna's Letter is in the Spotlights! Read the feature here.
ChemPhysChem article available online "Entropy drives calcium carbonate ion association"
The understanding of the molecular mechanisms underlying the early stages of crystallisation is still incomplete. In the case of calcium carbonate, experimental and computational evidence suggests that phase separation relies on so-called pre-nucleation clusters (PNCs). A thorough thermodynamic analysis of the enthalpic and entropic contributions to the overall free energy of PNC formation derived from three independent methods demonstrates that solute clustering is driven by entropy. This can be quantitatively rationalized by the release of water molecules from ion hydration layers, explaining why ion association is not limited to simple ion pairing. The key role of water release in this process suggests that PNC formation should be a common phenomenon in aqueous solutions. [ChemPhysChem (2016); DOI: 10.1002/cphc.201600653]
Cristina Ruiz Agudo has joined the team as a postdoctoral researcher. Welcome!
Cristina's project is a collaboration with Andreas Marx within the framework of the SFB 1214.
The Journal of Physical Chemistry Letters article available online "The molecular mechanism of iron(III) oxide nucleation"
A molecular understanding of the formation of solid phases from solution would be beneficial for various scientific fields. However, nucleation pathways are still not fully understood, whereby the case of iron (oxyhydr)oxides poses a prime example. We show that in the pre-nucleation regime, thermodynamically stable solute species up to a few nanometers in size are observed, which meet the definition of pre-nucleation clusters. Nucleation then is not governed by a critical size, but rather by the dynamics of the clusters that are forming at the distinct nucleation stages, based on the chemistry of the linkages within the clusters. This resolves a longstanding debate in the field of iron oxide nucleation, and the results may generally apply to oxides forming via hydrolysis and condensation. The (molecular) understanding of the chemical basis of phase separation is paramount for e.g. tailoring size, shape and structure of novel nanocrystalline materials. [J. Chem. Phys. Lett. (2016); DOI: 10.1021/acs.jpclett.6b01237]
Angewandte Chemie International Edition communication available online "Water as the key to proto-aragonite amorphous CaCO3"
Temperature and pH value can affect the short-range order of proto-structured and additive-free amorphous calcium carbonates (ACCs). Whereas a distinct change occurs in proto-vaterite (pv) ACC above 45 °C at pH 9.80, proto-calcite (pc) ACC (pH 8.75) is unaffected within the investigated range of temperatures (7–65 °C). IR and NMR spectroscopic studies together with EXAFS analysis showed that the temperature-induced change is related to the formation of proto-aragonite (pa) ACC. The data strongly suggest that the binding of water molecules induces dipole moments across the carbonate ions in pa-ACC as in aragonite, where the dipole moments are due to the symmetry of the crystal structure. Altogether, a (pseudo-)phase diagram of the CaCO3 polyamorphism in which water plays a key role can be formulated based on variables of state, such as the temperature, and solution parameters, such as the pH value. [Angew. Chem. Int. Ed. (2016); DOI: 10.1002/anie.201603176]
ChemComm article available online "A solvothermal method for synthesizing monolayer protected amorphous calcium carbonate clusters"
A solvothermal method was developed for synthesizing organic monolayer protected amorphous calcium carbonate clusters using 10,12-pentacosadiynoic acid as ligand, ethanol as solvent and NaHCO3 decomposition as CO2 source, which can be extended to synthesize other monolayer protected mineral clusters. [ChemComm (2016); DOI: 10.1039/C6CC03010F]
Crystal Growth & Design article available online "pH-dependent schemes of calcium carbonate formation in presence of alginates"
From recent studies on bone and shell formation, the importance of polysaccharides in biomineralization processes is gradually being recognized. Through ion-complexation and self-assembly properties, such macromolecules have remarkable effects on mineralization. However their influences on the different regimes of crystallization including the interactions with precursor species are unclear. The present study therefore addresses calcium carbonate mineralization in presence of alginates, a class of linear co-polymeric saccharides composed of β-1,4 linked D-mannuronic and L-guluronic acid. During mineralization, this biopolymer is found to exert a pH dependent control over mineralization pathways in terms of the stability of pre-nucleation clusters, inhibitory effect towards nucleation and initially formed post-nucleation products. Remarkably in presence of this macromolecular additive, either amorphous or crystalline vaterite particles can be selectively nucleated in a pH dependent manner. This is validated by electron microscopy wherein vaterite particles are intimately associated with alginate assemblies after nucleation at pH 9.75. At lower pH, aggregates of amorphous particles are formed. Thus in addition to the general focus on biochemical properties of additives, solution pH, a physiologically fundamental parameter significantly alters the scheme of mineralization. [Cryst. Growth Des. (2016); DOI: 10.1021/acs.cgd.5b01488]
Minerals article available online "The Role of Chloride Ions during the Formation of Akaganéite Revisited"
Iron(III) hydrolysis in the presence of chloride ions yields akaganéite, an iron oxyhydroxide mineral with a tunnel structure stabilized by the inclusion of chloride. Yet, the interactions of this anion with the iron oxyhydroxide precursors occurring during the hydrolysis process, as well as its mechanistic role during the formation of a solid phase are debated. Using a potentiometric titration assay in combination with a chloride ion-selective electrode, we have monitored the binding of chloride ions to nascent iron oxyhydroxides. Our results are consistent with earlier studies reporting that chloride ions bind to early occurring iron complexes. In addition, the data suggests that they are displaced with the onset of oxolation. Chloride ions in the akaganéite structure must be considered as remnants from the early stages of precipitation, as they do not influence the basic mechanism, or the kinetics of the hydrolysis reactions. The structure-directing role of chloride is based upon the early stages of the reaction. The presence of chloride in the tunnel-structure of akagenéite is due to a relatively strong binding to the earliest iron oxyhydroxide precursors, whereas it plays a rather passive role during the later stages of precipitation. [Minerals 5, 778 (2015)]
Peck-Yin Sow has joined our team to work on her Master Project, which is a collaboration with Prof. Karin Hauser. Welcome Yin!
The CrystEngComm themed issue entitled "Fundamentals of Nanocrystal Formation", guest edited by Georg Garnweitner, Denis Gebauer and Markus Niederberger, has been published. Read our editorial here.
"Prenucleation clusters and non-classical nucleation" is among Nano Today's most cited articles.
CrystEngComm article available online "Synergy of Mg2+ and poly(aspartic acid) in additive-controlled calcium carbonate precipitation"
Additive-controlled precipitation of calcium carbonate is central to various fields of research. Technically, scale formation is an important problem, where polycarboxylates are most commonly employed as inhibitors. Herein, we show that the combination of poly(aspartic acid) with magnesium ions leads to synergistic effects that bring about a dramatic increase in the efficiency towards inhibition of nucleation and growth of nanoscopic CaCO3 precursors. These effects can also be crucial in biomineralization processes, where polycarboxylates and magnesium ions are thought to play important roles. [CrystEngComm (2015); DOI: 10.1039/C5CE00452G]
Julian Gale visits our group as a Senior Fellow of the Zukunftskolleg, and will stay until July 3rd. Julian's research concerns the development and application of theoretical or computational methods to problems in chemistry, physics, geochemistry, mineralogy and materials science. Current foci include; polymorphism, crystallisation, mineral-water interfaces, fuel cells, lithium battery materials, solvent extraction, and desalination membranes. Within the framework of the theory colloquium of the Physics Department, Julian will give a talk in P603 on Monday June 8, 13:30.
CrystEngComm article available online "Disordered amorphous calcium carbonate from direct precipitation"
Amorphous calcium carbonate (ACC) is known to play a prominent role in biomineralization. Different studies on the structure of biogenic ACCs have illustrated that they can have distinct short-range orders. However, the origin of so-called proto-structures in synthetic and additive-free ACCs is not well understood. In the current work, ACC has been synthesised in iso-propanolic media by direct precipitation from ionic precursors, and analysed utilising a range of different techniques. The data suggest that this additive-free type of ACC does not resemble clear proto-structural motifs relating to any crystalline polymorph. This can be explained by the undefined pH value in iso-propanolic media, and the virtually instantaneous precipitation. Altogether, this work suggests that aqueous systems and pathways involving pre-nucleation clusters are required for the generation of clear proto-structural features in ACC. Experiments on the ACC- to-crystalline transformation in solution with and without ethanol highlight that polymorph selection is under kinetic control, while the presence of ethanol can control dissolution re-crystallisation pathways. [CrystEngComm (2015), DOI: 10.1039/c5ce00720h]
Faraday Discussions article available online "High-resolution insights into the early stages of silver nucleation and growth"
Nucleation and growth of silver nanoparticles has already been investigated with various experimental and computational tools, however, owing to inherent problems associated with the analytical characterization of nucleation processes, there is a generic lack of experimental data regarding the earliest precursors and smallest Ag(0) clusters. Here, we address this problem by the application of Synthetic Boundary Crystallization Ultracentrifugation, utilizing a multiwavelength detector for the first time, complemented by a specialized Titration Assay. These techniques shed new light on silver nanoparticle precursors existing in the pre-nucleation regime and the initially nucleated ensemble of nanoclusters. For the first time, we present experimental data of UV-vis spectra for fractionated silver clusters. These allow for unsurpassed insights into the sequence of nucleation and early growth species as well as their optical properties. [Faraday Discussions (2015), DOI: 10.1039/C4FD00269E]
Grazyna Durak has joined the team as a postdoctoral researcher. Welcome!
Grazyna's project is a collaboration with Thomas Böttcher.
Nanoscale article available online "New Insights into the Early Stages of Silica-Controlled Barium Carbonate Crystallisation"
Recent work has demonstrated that the dynamic interplay between silica and carbonate during co-precipitation can result in the self-assembly of unusual, highly complex crystal architectures with morphologies and textures resembling those typically displayed by biogenic minerals. These so-called biomorphs were shown to be composed of uniform elongated carbonate nanoparticles that are arranged according to a specific order over mesoscopic scales. In the present study, we have investigated the circumstances leading to the continuous formation and stabilisation of such well-defined nanometric building units in these inorganic systems. For this purpose, in-situ potentiometric titration measurements were carried out in order to monitor and quantify the influence of silica on both the nucleation and early growth stages of barium carbonate crystallisation in alkaline media at constant pH. Complementarily, the nature and composition of particles occurring at different times in samples under various conditions were characterised ex situ by means of high-resolution electron microscopy and elemental analysis. The collected data clearly evidence that added silica affects carbonate crystallisation from the very beginning on (i.e. already prior to, during, and shortly after nucleation), eventually arresting growth at the nanoscale by cementation of BaCO3 particles within a siliceous matrix. Our findings thus shed novel light on the fundamental processes driving bottom-up self-organisation in silica-carbonate materials and, for the first time, provide a direct experimental proof that silicate species are responsible for the miniaturisation of carbonate crystals during growth of biomorphs, hence confirming previously discussed theoretical models for their formation mechanism. [Nanoscale (2014), DOI: 10.1039/C4NR05436A]
Yu-Chieh Huang has joined the team as a PhD student. Welcome!
Bingqiang Lu has joined the team as a postdoctoral researcher. Welcome!
Denis Gebauer has been elected as a new member of the executive board of the Graduate School Chemistry.
Denis Gebauer has been promoted to a Research Fellow (5-year fellowship) of the Zukunftskolleg of the University of Konstanz.


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Anything You Ask Of Me
Goodreads / Amazon / Barnes & Noble
He stood alone in the parlor, examining a horrendous portrait of her mother that Sarah insisted be left above the fireplace. Hat hooked over his first two fingers, he tapped it against his leg with a certain sense of idleness common in someone tired of waiting.
"It is not a decent likeness of my mother." She tilted her head toward the portrait. "Maybe in the eyes, but the artist was paid far greater than his ability deserved."
"It does me well to see you again, Miss Archer." He smiled and bowed slightly.
"It is a pleasure to be in your company again, General Stuart." He wasn't much taller than she, enough that she had to tilt her chin up to look him in the face, but there was something intimidating about him. Perhaps it was his broad shoulders, or the cut of his uniform. She wasn't entirely sure, but he made it hard to keep her wits. "Did you fare well in Virginia?"
"I always do." He held her hand a moment, then pressed her knuckles to his lips. "Although, I must say I much prefer the company I find in Maryland."
"You only say that now. It will be a less desirable place if the Yankees decide to return." She flushed.
"Do you anticipate their return?"
"Should I?"
He chuckled, looking much younger when he laughed. She couldn't imagine he was that much older than her. Not that it mattered. "I do believe they would find fierce resistance in you, Miss Archer, should they attempt to cross the threshold of this fine home."
"When my father left, he certainly did not leave behind a coward." Heat filled her cheeks. He still hadn't let go of her hand.
"I wasn't aware your father had left."
"He relocated to the North when the war started." She glanced away from him. The act was more than just leaving; he'd fled as fast as he could and never once looked back. "Said he wanted to preserve his business interests."
"I should think leaving you behind is a decision he will regret but once," he kissed her hand again, "and that will be continually."
She smiled and looked back to his curiously bluish green eyes. His gaze was direct, much too steady to be appropriate.
She liked that.
A rustle behind her drew her attention.
Sarah, mouth pursed in so tight a line her lips nearly disappeared. "Martha has finished the noon time dinner preparation, General Stuart, if you'd care to follow me." Her glare switched to Elizabeth. "Miss Archer."
"Mrs. Cooke."
Sarah narrowed her eyes in response, then flounced from the parlor. Her heavy footsteps echoed down the hallway.
Elizabeth bit back a giggle and glanced at General Stuart. "As the notable Mr. Shakespeare wrote in, As You Like It, 'Let us make an honorable retreat.'"
He coughed, probably to cover his laughter, and offered her his arm. She slid her hand over the crook of his elbow, the gray wool of his uniform rough under her fingertips. The dining room was the next room on the eastern wing of the house. If she could have found a way to take a longer route down the hall, perhaps up the stairs, past the bedrooms, and then back down the servant's staircase, she would have done so, just to enjoy his company a little longer.
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November 13, 2007
CORNERSTONE RESEARCH, INC., PLAINTIFF,v.APPFORGE, INC. DEFENDANT.
Presently before the Court is Plaintiff Cornerstone Research Inc.'s ("Cornerstone") Motion for Default Judgment as to Defendant AppForge, Inc. ("AppForge"). Based on Cornerstone's Complaint, Motion, and Supplemental Response to the Court's request for additional information, as well as the relevant case law, statutory authority, and the record as a whole, the Court shall GRANT [9] Plaintiff's Motion for Default Judgment.
Cornerstone filed a Complaint in this action on January 24, 2007. Cornerstone served a copy of the Complaint and Summons on AppForge's Resident Agent and its CEO on January 30, 2007. On February 20, 2007, AppForge filed a Consent Motion for an extension of time to file an Answer to Cornerstone's Complaint. The Court granted AppForge's Motion on March 6, 2007, and required AppForge to file its Answer no later than April 6, 2007. AppForge did not subsequently submit its Answer to the Court not make any other filing. On July 9, 2007, Cornerstone filed a Motion for an Entry of Default. On July 10, 2007, the Clerk of the Court entered a Default against AppForge, and on July 11, 2007, Cornerstone filed the instant Motion for Default Judgment. The Court requested additional information from Cornerstone by Minute Order dated July 16, 2007, and Cornerstone filed a response on July 27, 2007 ("Pl.'s Suppl. Resp.").
Cornerstone's claims against AppForge seek to recover the principal amount owed of $108,522.85 for its services. See Compl. ¶15 (principal balance owed); see also Pl.'s Suppl. Resp. Ex. 1 ¶ 4 (Affidavit of Greg Chadwick). In addition to this amount, Cornerstone seeks prejudgment and post-judgment interest. Pl.'s Mot for Default J. at 1. Plaintiff represents that AppForge is "not an infant, incompetent, or in the military service of the United States."*fn1 Pl.'s Mot. for Default J. ¶ 4.
The facts of this case establish that in April 2005, AppForge engaged Cornerstone to provide consulting and expert witness services in support of an arbitration styled AppForge, Inc. v. Extended Sys, Inc., AAA Arbitration File No. 14 117 01521 04. See Compl. ¶ 6. Cornerstone drafted and sent a letter of engagement to AppForge, although Cornerstone does not have a signed copy of the letter. See Pl.'s Suppl. Resp. ¶ 1. Nevertheless, AppForge did not object to the terms of the letter, and it paid the first invoice issued by Cornerstone in June 2005. Id. Ex 1 ¶ 4 (affidavit of Greg Chadwick). AppForge failed to pay any subsequent invoices for Cornerstone's services issued between July 2005 to February 2006. Id. By March 2006, Cornerstone had invoiced $165,301.02 in services, but AppForge had only paid the initial invoice in the amount of $56,748.17, leaving an outstanding balance of $108,552.85. See Compl. ¶¶ 8, 9; Pl.'s Suppl. Resp. Ex. 1 ¶ 6.
By letter dated March 9, 2006, Cornerstone made a demand for payment and attached a statement of the account. See Pl.'s Suppl. Resp. Ex. 2 at 1. AppForge's Chief Financial Officer, Graham Wood, responded to Cornerstone in an email dated March 14, 2006, wherein he acknowledged the outstanding balance and asked for additional time to transmit payment.
Id. Ex. 2 at 2. Although Cornerstone provided AppForge with additional time to pay the outstanding balance, AppForge failed to make any further payments on the account. See Compl. ¶ 11. On this record, the Court finds that an award of the outstanding principal balance is clearly warranted.
Cornerstone's letter of engagement and related invoices indicate that an interest rate of 1.5% per month (18% per annum) would be charged for outstanding balances over sixty days past due. See Pl.'s Suppl. Resp. ¶ 2. Cornerstone calculated the interest due on the $108,552.85 balance as $32,503.68 (as of July 10, 2007). See Pl.'s Suppl. Resp. Ex. 1 ¶ 5 (Affidavit of Greg Chadwick), Ex. 2 (calculation of interest spreadsheet). Cornerstone asks the Court to award this interest rate instead of the statutory prejudgment interest rate of 6%. See D.C. Code § 28-3302(a) ("[t]he rate of interest in the District upon the loan or forbearance of money, goods, or things in action in the absence of expressed contract, is 6% per annum"). Because AppForge paid Cornerstone under the terms of an invoice providing for an 18% per annum interest rate, and consistent with the letter of engagement providing for the same,*fn2 the Court finds that the 18% per annum interest rate is appropriate. Moreover, AppForge acknowledged the outstanding balance was owed to Cornerstone but made no further payments, and AppForge is clearly aware of these proceedings as it previously filed a motion in the instant action.
Post-judgment interest shall accrue at the legal rate. See D.C. Code § 28-3302(c) (specifying the legal rate of interest on judgments).
For the reasons set forth above, the Court shall GRANT [9] Plaintiff's Motion for Default Judgment. Cornerstone shall be entitled to $108,522.85 for the outstanding principal balance and $32,503.68 for interest due on the principal, for a total amount of $141,056.53. Cornerstone shall also be entitled to the legal rate of post-judgment interest until payment. An appropriate Order accompanies this Memorandum Opinion.
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Bachelor of Music
Hey I'm Chevaunne, I'm a singing teacher with experience in performing, writing, and theory. I've been in multiple bands, and currently gig around Melbourne in two bands I sing and play keys in. I have a Bachelor in Music, where I gained a grounding in music theory and aural training.
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ISSUES AND ARTICLES MOST READ eTOC
Indexed/Abstracted in: EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 0,536
Frequency: Bi-Monthly
Online ISSN 1827-1758
Carli E. CALDERONE, Seth P. LERNER, Jennifer M. TAYLOR
Scott Department of Urology, Baylor College of Medicine, Houston, TX, USA
Radical cystectomy is considered the standard of care for muscle invasive bladder cancer (MIBC), as well as some high-grade or recurrent non-muscle invasive bladder cancers. There are a number of reasons that urologic surgeons may find themselves considering a salvage cystectomy (SC) for a patient. Understanding the risks associated with performing SC is important for patient counseling when considering primary management of MIBC. Awareness of the unique complications that can occur can alter surgical technique and approach and can equip clinical staff with knowledge to properly monitor the patient during post-operative surveillance to identify and treat these situations. In this review, we characterize the outcomes of patients who underwent SC, elucidate the special considerations that must be made when performing this surgery, and discuss these outcomes in comparison to primary surgery in the absence of radiation.
language: English
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Index of content:
Volume 80, Issue 6, June 2009
Digital ratemeter with fast response80(2009); http://dx.doi.org/10.1063/1.3134374View Description Hide Description
Digital ratemeter that operates according to a self-adjusting algorithm, which at low rates automatically switches from a preset count to the preset time method, is proposed. It combines the good properties of both methods concerning the accuracy of the measured average counting rate and the response time to sudden changes of rate.
Method for analyzing probe spectra from Hall thruster plumes80(2009); http://dx.doi.org/10.1063/1.3152218View Description Hide Description
Various methods for accurately determining ion species' current fractions using probes in Hall thruster plumes are investigated. The effects of peak broadening and charge exchange on the calculated values of current fractions are quantified in order to determine the importance of accounting for them in the analysis. It is shown that both peak broadening and charge exchange have a significant effect on the calculated current fractions over a variety of operating conditions, especially at operating pressures exceeding . However, these effects can be accounted for using a simple approximation for the velocity distribution function and a one-dimensional charge exchange correction model. In order to keep plume attenuation from charge exchange below 30%, it is recommended that , where is the measured facility pressure in units of and is the distance from the thruster exit plane to the probe inlet in meters. The spatial variation of the current fractions in the plume of a Hall thruster and the error induced from taking a single-point measurement are also briefly discussed.
Generation of Mie size microdroplet aerosols with applications in laser-driven fusion experiments80(2009); http://dx.doi.org/10.1063/1.3155302View Description Hide Description
We have developed a tunable source of Mie scale microdropletaerosols that can be used for the generation of energetic ions. To demonstrate this potential, a terawatt laser focused to was used to irradiate heavy water aerosols composed of micron-scale droplets. Energetic deuterium ions, which were generated in the laser-droplet interaction, produced deuterium-deuterium fusion with approximately fusionneutrons measured per joule of incident laser energy.
Real-time data processing and magnetic field pitch angle estimation of the JET motional Stark effect diagnostic based on Kalman filtering80(2009); http://dx.doi.org/10.1063/1.3117610View Description Hide Description
A novel technique for the real-time measurement of the magnetic field pitch angle in JET discharges using the motional Stark effect diagnostic is presented. Kalman filtering techniques are adopted to estimate the amplitude of the avalanche photodiode signals' harmonics that are relevant for the pitch angle calculation. The proposed technique {for extended technical details of the generic algorithm see [R. Coelho and D. Alves, IEEE Trans. Plasma Sci.37, 164 (2009)]} is shown to be much more robust and provides less noisy estimates than an equivalent lock-in amplifier scheme, in particular when dealing with edge localized modes.
Gain stabilization control system of the upgraded magnetic proton recoil neutron spectrometer at JET80(2009); http://dx.doi.org/10.1063/1.3109682View Description Hide Description
Burning plasma experiments such as ITER and DEMO require diagnostics capable of withstanding the harsh environment generated by the intense neutron flux and to maintain stable operating conditions for times longer than present day systems. For these reasons, advanced control and monitoring (CM) systems will be necessary for the reliable operation of diagnostics. This paper describes the CM system of the upgraded magnetic proton recoil neutron spectrometer installed at the Joint European Torus focusing in particular on a technique for the stabilization of the gain of the photomultipliers coupled to the neutron detectors. The results presented here show that this technique provides good results over long time scales. The technique is of general interest for all diagnostics that employ scintillators coupled to photomultiplier tubes.
Systematic comparison between line integrated densities measured with interferometry and polarimetry at JET80(2009); http://dx.doi.org/10.1063/1.3077302View Description Hide Description
A systematic comparison between the line integrated electron density derived from interferometry and polarimetry at JET has been carried out. For the first time the reliability of the measurements of the Cotton–Mouton effect has been analyzed for a wide range of main plasma parameters and the possibility to evaluate the electron density directly from polarimetric data has been studied. The purpose of this work is to recover the interferometric data with the density derived from the measured Cotton–Mouton effect, when the fringe jump phenomena occur. The results show that the difference between the line integrated electron density from interferometry and polarimetry is with one fringe for more than 90% of the cases. It is possible to consider polarimetry as a satisfactory alternative method to interferometry to measure the electron density and it could be used to recover interferometric signal when a fringe jumps occurs, preventing difficulties for the real-time control of many experiments at the JET machine.


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The La Jolla Historical Society will be hosting an event centered around the rich history of La Jolla on Thursday, August 20, featuring photographs and silent films from the late 1800's and 1900's. Take a step back in history while you enjoy wine and appetizers at this unique event!
The Archive La Jolla Reception will start at 5:30pm, where guests can view the Archive La Jolla Exhibit at Wisteria Cottage. The exhibit features a series of old photographs illustrating what life was like in The Jewel more than a hundred years ago; wine and appetizers will be available along with some live music to set the mood.
At 8pm immediately following the reception, the event will move to the lawn, where silent movies will be screened underneath the stars and ocean breeze. All silent movies being featured were filmed in the 1920's and produced locally by the La Jolla Cinema League; many of them will show several well-known La Jolla locations such as Casa de Manana
SEE ALSO: Watch Movies Outdoors At The Athenaeum's Flicks On The Bricks Series
The event will take place at the La Jolla Historical Society, located at 780 Prospect Street. Completely free to the public, this summer event will be a fun way to honor La Jolla's past. Simply RSVP to the event on Facebook and mark it in your calendar!
Image source courtesy of La Jolla Historical Society Facebook, see pictures such as this one of La Jolla's first outdoor cinema, at the event.
Brittney Schrift
Latest posts by Brittney Schrift (see all)
- 3 Ways to Celebrate Grandparents Day in La Jolla - September 11, 2015
- MCASD to Host Annual Fundraiser "Monte Carlo: Glamping" - August 27, 2015
- Ted Koppel to Give Talk in San Diego - August 27, 2015


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