HERCULES, CA - November 21, 2007 – Bio-Rad Laboratories, Inc. (AMEX: BIO and BIOb), a multinational manufacturer and distributor of life science research and clinical diagnostic products, today announced the availability of a technical paper (bulletin 5452A) that describes the effect of RNA degradation on data quality in quantitative PCR and microarray experiments. The paper describes using automated electrophoresis to determine RNA quality prior to gene expression analysis.