Self-sanitizing green coating for indoor applications Award winning, Gens Nano™ photocatalyst coatings are sold with installation service or as a "do-it-yourself" system. Air and surface biocontamination caused by Listeria, Salmonella, E.coli, Swine Flu (H1N1), Bird Flu (H5N1), SARS, mould spores can be eliminated utilizing award winning GENS NANO™ green technology.