求两篇关于聚丙烯酰胺凝胶银染、显色的的文献
求两篇关于聚丙烯酰胺凝胶银染、显色的的文献。具体如下:1、Title:Fast and sensitive silver staining of DNA in polyacrylamide gels Author:Brant J. Bassam, Gustavo Caetano-Anollés and Peter M. Gresshoff2、Title:A silver staining procedure for nucleic acids in polyacrylamide gels without fixation and pretreatmentAuthor:An ZW, Xie LL, Cheng H, Zhou Y, Zhang Q, He XG, Huang HS