identify the term ESEM with one only brand of commercial instrument in juxtaposition to other competing commercial (or laboratory) brands with different names, as some confusion may arise from past use of trademarks. Similarly, the term GDD is generic covering the entire novel gaseous detection principle in ESEM. The terms ESD and GSED, in particular, have been used in conjunction with a commercial ESEM to denote the secondary electron mode of this detector. Gallery of ESEM images The following are examples of images taken using an ESEM. References Bibliography External links ESEM Development and its Future Videos of live specimens and other in situ imaging in ESEM Electron microscopy techniques Scientific techniques