Affymetrix provides life science tools and molecular diagnostic products for parallel analysis of biological systems at the gene, protein and cell level. Co. sells its products to genomic research centers, academic institutions, government and private laboratories, pharmaceutical, diagnostic and biotechnology companies. Co. has two segments: Affymetrix Core, which comprised of four business units: Expression, Genetic Analysis and Clinical Applications, Life Science Reagents,and Coporate; and eBioscience, which focused in the development, manufacturing, marketing and distribution of research tools for flow cytometry, immunoassays, microscopic imaging and other protein-based analyses.