Hello, Check the new product coming from RNAture (rnature.com) for mRNA isolation. It's simple and clean. Moreover it allows you to keep your cDNA into PCR plates!!! yes, have a look. -- Patrick Merel Laboratoire de Virologie CHU PELLEGRIN Place Amelie Raba-Leon 33076 Bordeaux cedex FRANCE e-mail. patrick.merel at chu-aquitaine.fr