bd biosciences designs, manufactures, and sells fluorescence-activated cell sorters and analyzers, monoclonal antibodies, and kits for cell analysis, reagent systems for life science research, cell imaging systems, laboratory products for tissue culture and fluid handling, and cell culture media supplements for biopharmaceutical manufacturing. bd biosciences serves the following customers: research and clinical laboratories, academic and government institutions, pharmaceutical and biotechnology companies, hospitals, and blood banks. the company's line of plastic conical screwtop test tubes, known as 'falcon tubes', is popular and the term is sometimes used as a generic term for such tubes.