actinium-225

actinium-225 actinium-225, essie-225) heey actiniumche samasthanik aahe. 10 divasanchya ardhayushyasaha teey alfa kshay houn houn jaate aanee neptunium maliketil maliketil suru honari kshay sakhali) madhyavarti kshay utpadan aahe. yaa kshay sakhalimule nirman honare praman qamee vagalata bahutek heey purnapane krutrim aahe.
actinium-225 chey kshay gunadharm lakshyit alfa therapimadhye (tatt) vaparnyasathi anukool aahet; vaidyakeey chachanyanni vividh prakarchya karkarogavar upchar karnyasathi bahutek asalelya radiopharmaceuticals upayuktata darshavili aahe. tathapi, cyclotronmadhil aavashyak sanshleshanamule yaa samasthanikanchi kamatarata tyachya sambhavya vaparanna maryadit karate.
kshay aanee ghatana.
actinium-225 chey ardhayushya 10 divasanche asate aanee alfa utsarjanamule teey kshay hote. too neptunium malikecha eka bhag aahe, kaaran too neptunium-237 aanee tyachya uranium-233 aanee thorium-229 sarkhya mulinche kshay utpadan mhanoon udbhavato. heey sakhalitil shevatche nuclide aahe jyache ardh-ayushya eka divasapeksha jaast aahe, teey antim utpadan, bismuth-209 (ardh-jeevan varshe) paryant aahe. 225 aii. see. chey antim kshay utpadan 205 tii. ell. sthir aahe.
neptunium malikecha sadasya mhanoon, mhanoon alp pramanat aanee tyachya mulinni neutron capture pratikriyandware tayar kelelya kelelya aanee aanee yaa adim pratikriyanche utpadan vagalata too nisargat udbhavat nahee. uranium-235 aanee aanee kshay sakhalyanmadhye sakhalyanmadhye anukrame anukrame aanee aanee heey khoop durmil aahe. tyachi vipulata vipulata tulanet qamee aanee dharmnirpeksh samatolatil samatolatil tulanet andaje hotee.
shodh.
actinium-225 chaa shodh 1947 madhye aataparyantchya adnyat neptunium malikecha bhag mhanoon lagla, jyat jyat sanshleshanane loksankhya hotee. eff. chya netrutvakhalil argon rashtriy prayogshaletil bhautikshastradnyancha eka gut. hagmanne suruvatila qee shodhachi nond kelee aanee tyache 10 divasanche ardhayushya olakhale. swatantrapane, aaa chya netrutvakhalil canadian gut. see. ingrajine samaan kshay yojana olakhali; donhi shodhanibandh 'bhautik punaravalokanachya' ekach ankat prakashit jhaale.
utpadan.
bahutek heey konatyahi lakshaniy pramanat nisargat hott naslyamule, teey vishesh anubhattyanmadhye sanshleshit kele jaane aavashyak aahe. bahutekcha bahutansh parinam parinam alfa kshayamule hoto, parantu haah puravatha maryadit aahe kaaran kaaran (ardh-jeevan 7340 varshe) kshay tyachya tulanene dirgh ardh-aayushyamule tulanene mand aahe. aahe (pii, (pii pratikriyemadhye radium-226 pasoon bahutek prajnan karane dekhil shakya aahe. aahe lakshya vaparoon bahutek loksankhya vadhavanyachi kshamata 2005 madhye pahilyanda darshavili gelee hotee, jaree jaree utpadan aanee hatalani sambandhit nishkarshan kharch aanee redon-222 sarkhya kshay utpadananchya dhokyanmule katheen aahe.
vaikalpikaritya, uchch-urja proton kiranansah vikiranit kelelya 232 vya lakshyavar spallation pratikriyanmadhye bahutek tayar kele jaau shakate. sadhyachya tantranmule 225 aii. see. chya millicuri pramananche utpadan shakya hote; tathapi, nantar teey itar pratikriya utpadananpasun vegale karane aavashyak aahe. heey kahee alpakalin nucleidsna kshay houu deuun kele jaate; nantar actinium isotope garam peshinmadhye rasayanikaritya shuddha kele jaatat aanee bahutek kendrit kele jaatat. dirghkal dirghkal beeta-utsarjak actinium-227 chey pradushan talhanyasathi vishesh kalji ghene aavashyak aahe.
anek dashakanpasun, bahutek bahutek ekach suvidhet tayar kele jaat hote-tenseymadhil oka rij rashtriy prayogshala-itar prayogshalanchya chhotya yogdanasah dekhil yaa samasthanikanchi upalabdhata aanakhi qamee hote. losses alamos rashtriy prayogshala aanee brookhaven rashtriy prayogshalet aata 232 vya sthanavarun atirikt 225 aii. see. tayar kele jaate. triumph suvidha aanee canadachya anoo prayogshalanni actinium-225 chya vyavsayik utpadanachya aaspas dhoranatmak bhagidari kelee aahe.
bahutekcha qamee puravatha sanshodhan aanee karkarog upcharanmadhye tyacha vapar maryadit karato. assa andaj aahe qee qee sadhyachya puravathyamule darvarshi keval eka hazar karkarog upcharanna parvanagi milate.
anuprayog.
uutinmadhil alfa kananchi alp shreni (kahee peshi vyas) aanee tyanchi uchch urja yamule actinium-225 sarkhya alfa utsarjakanna karkarogachya upcharanmadhye pasanti dilee jaate, jyamule teey karkarogachya peshinna lakshya karnyat aanee maranyat atyant prabhavi tharatat-visheshtah, alfa kann dii. aine. aii. tantre todanyat adhik prabhavi asatat. bahutekche 10 divasanche ardhayushya upchar sulabh karnyasathi purese aahe, parantu itake qamee aahe qee upcharanantar kahee mahinyanni sharirat thodech rahate. heey ashach prakare tapasalelya '212 bii. aay.' chya viruddha aahe, jyache 46 minitanche ardhayushya 'inn seatoo' nirmiti aanee tatkal vapar aavashyak aahe. yavyatirikt, bahutekchi sarasari pranghatak matra, tyachya dirgh ardhayushyamule aanee tyanantarchya tyachya kshay utpadananmadhun utpadananmadhun alfa utsarjanamule, anek kramane, kramane jaast aahe. 225 aii. see. teey 209 bii. aay. paryantchya pratyek kshayamule chaar uchch-urja alfa kananna jaal basato, jyamule tyachi shakti mothya pramanat vadhate.
maryadit upalabdhata asoonahi, lakshaniy alfa upcharpaddhatimadhye bahutekchi parinamkarakta parinamkarakta anek vaidyakeey chachanya purn jhalya aahet. bahuteksah sankul-jase qee bahuteksah label kelelya pratipinde-manavanmadhye leukemia, prostate carcinoma aanee stanacha carcinoma yasah vividh prakarchya karkaroganna lakshya karnyasathi chachani kelee gelee aahe. udaharanarth, eka prayogik prayogik aushadhane rugnala haanee naan pohochavata tivra myeloid leukemiyaviruddha parinamkarakta darshavili aahe. itar aushadhanchya pudhil vaidyakeey chachanya suru aahet.

