单词	Sephadex
释义	Sephadex /ˈsɛfədɛks / noun [mass noun] trademark A preparation of dextran used as a gel in chromatography, electrophoresis, and other separation techniques.In some respects, the matrix might act as a gel filtration system similar to cross-linked dextran such as Sephadex that separates polymers by molecular size.... Free calcein outside of the vesicles was removed by gel chromatography on Sephadex G - 25. Substrate specificities of each phosphatases isolated from Sephadex G200 were investigated at their optimum pH. Origin 1950s: of unknown origin.
随便看	downchange downcode downcoding downcomer downconversion downconverter downcountry downcourt downcurved downcut downdraft downdraught downdrift Down East downer Downers Grove Downey downfall downfield downfold downforce downgrade downhaul downhearted downheartedly

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。