Crystalplex Corporation develops and commercializes innovative fluorescent markers for use in biological research and testing. Its technology is based on its proprietary composition-tunable nanocrystals. Its PlxBead products enable researchers to collect multiple results simultaneously from very small sample volumes. In addition, PlxBeads provides an easy-to-use solution to the cumbersome methods currently used to derive protein and genetic information. PlxBeads also provide substantial improvements for many applications, including basic biological research, cell analysis, medical diagnostics and drug selection candidates. The company is based in Pittsburg.