国产高清精品免费区-男女一进一出抽搐免费视频-中日韩一二三级黄色永久视频-日韩精品人妻一区二区免费视频-日本久久视频在线观看-99热这里只有精品88热-亚洲韩国黄色最新短视频一区-日韩伦理在线观看免费全集-国产av一区二区三区天堂

Koshlands Reagent

《英文msh詞典》Koshlands Reagent
[入口詞] Koshlands Reagent
[主題詞] 2-Hydroxy-5-nitrobenzyl Bromide
[藥動學(xué)] Indicators and Reagents
[英文釋義] A chemical reagent that reacts with and modifies chemically the tryptophan portion of protein molecules. Used for 'active site' enzyme studies and other protein studies. Sometimes referred to as Koshland's reagent.