Did anyone try silver staining of 1) 20% polyacrylamide native gels? 2) gels containing oligonucleotides as short as 12 or less bases (single-stranded)? Thanks a lot! Alain LAIGLE LPBC - ESTER Institut Curie Tel : (33) 1 42 34 67 76 11, rue Pierre et Marie Curie Fax : (33) 1 40 51 06 36 75005 PARIS Email : laigle at radium.jussieu.fr