PLEASANTON, CA--(Marketwire - September 23, 2008) - Arcxis Biotechnologies today announced the initiation of collaboration with a business area of Hoffmann-La Roche’s Diagnostic Division, Roche Molecular Systems of Pleasanton, CA. The effort will apply Arcxis’ proprietary technology for isolation and concentration of total RNA and genomic DNA to PCR™ & RT-PCR™ based diagnostic tests. The company believes its rapid and sensitive methods for preparing blood and tissue will translate into significant performance benefits.