Opsin-based pigments, of which the photoproducts are stable and do not bleach are called non-bleaching pigments in this paper.
"Knickers and bleach are a terrible combination," he said.
New laboratory findings support the theory that the SARS virus can survive up to four days on contaminated household surfaces like toilets but that disinfectants like bleach are effective weapons to kill it, the World Health Organization said yesterday.
Products replacing the old powdered form of bleach are usually premixed with water, making them less pungent, said Jamie Damaso, the owner of New Fitness Pool Management of Manhattan, which cleans and provides lifeguards at the rooftop pool at the Newbury, a co-op at 250 East 87th Street.
In hospitals, quaternary ammonium compounds and bleach are used to sanitize rooms or equipment that have been occupied by patients with influenza symptoms.
Disinfectants such as bleach are used to kill bacteria or other pathogens on surfaces to prevent contamination and further reduce the risk of infection.
