tousimis research corporation, formerly Biodynamics Research Corporation, specializes in developing and manufacturing instruments, chemicals, reference standards, and laboratory accessories for electron microscopy and X-ray microanalysis research. With a history dating back to 1962, the company focuses on providing high-quality and reliable products for laboratories conducting ultrastructure studies. Their offerings include Critical Point Dryers, Cleanroom and Non-Cleanroom Systems, Sample Holders, Laboratory Supplies, and Ultrapure Fixatives. Tousimis is known for its scientific firsts in the field, including the introduction of the first experimental laboratory Critical Point Dryer and the development of innovative products like the Touch Screen Series C CPD System.