HERCULES, Calif., August 19, 2008 – Bio-Rad Laboratories, Inc. (AMEX: BIO and BIOb), a multinational manufacturer and distributor of life science research and clinical diagnostic products, announced today the availability of a technical note (tech note 5720), which describes a study identifying the optimal conditions for electroporating IMR-32 and SK-N-SH neuroblastoma cell lines with plasmid DNA or siRNA.