In business since 1976 and active in the SBIR arena from the first few years of the program's functioning, Litron provides critical data to pharmaceutical, medical device, government and contract research organizations worldwide. Organized around DNA damage and other toxic effects, principals of the firm develop state-of-the-art flow cytometric methods to solve challenging problems for the toxicology industry. With an emphasis on safety testing of new compounds and devices, Litron offers genetic toxicology service. Current research includes an developing a flow cytometric method for scoring in vitro micronuclei and measuring micronuclei in human peripheral blood. The firm is a genetic toxicology research and testing company focusing on the safety testing of drugs and medical devices. Patented MicroFlow® kits (for research use only) use a few drops of blood from a mouse, rat or human for rapid accurate analysis of DNA damage (which is related to long-term cancer risk). These kits offer both speed and objectivity using high speed flow cytometry.