【序号】:1 【作者】:Fei Qu,*abQianwei Songab and Jinmao You*abc 【题名】:Rapid determination of vitamin B12 (cobalamin) based on silver nanoclusters capped by polyethyleneimine with different molecular weights and terminal groups 【期刊】:Anal. Methods, 【年、卷、期、起止页码】:DOI: 10.1039/C6AY00088F 【全文链接】:http://pubs.rsc.org/en/content/articlelanding/2016/ay/c6ay00088f#!divAbstract