序号: 1 题目:Rapid determination of vitamin B12 (cobalamin) based on silver nanoclusters capped by polyethyleneimine with different molecular weights and terminal groups 作者:Fei Qu,*ab Qianwei Songab and Jinmao You*abc 期刊:Analytical Methods 链接:http://pubs.rsc.org/en/content/articlelanding/2016/ay/c6ay00088f#!divAbstract