Dear all, I'd very much appreciate if somebody lets me know a recommended volume of TRIZOL for small size samples (10-20ul). Thanks in advance. Aki Hoji University of Pittsburgh Department of Infectious Diseases and Microbiology Rm522 Parran Hall, GSPH-IDM 130 Desoto Street, Pittsburgh PA 15261 tel: (412) 624-3072/0776 fax: (412) 624-4953