DNR Bio-Imaging Systems is a manufacturer of gel documentation and analysis equipment for the molecular biology research community.

The company works together with its customers and OEMs in the research-imaging instrumentation field to provide customized R&D and manufacturing services that meet specific requirements and standards.DNR has designed a video documentation system with a self-contained darkroom; embedded UV-exposure protection in gel documentation systems; introduced double-stage Peltier cooling technology into gel documentation systems; integrated CMOS technology in a proprietary bio-imaging camera; and implemented liquid-cooled CCD in gel documentation systems.