HERCULES, Calif., August 7, 2008 – 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 new application guide (number 5700 Rev.A) for the Bio-Rad Gene Pulser® MXcell™ electroporation system. The 18-page guide is designed to help researchers using the Gene Pulser MXcell to determine the parameters for obtaining efficient transfection of molecules into primary mammalian cells, while maintaining high cell viability.