Chemistry research may help free environment of toxins - Sci/Tech - DNA - A researcher is studying materials that use light or darkness to purify air filled with toxins that are harmful to human health and the environment.The research, conducted by Manindu Weerasinghe from Kansas State University, Sri Lanka, could one day lead to filters, humidifiers and other devices that can detoxify air in windowless rooms, manufacturing facilities and other indoor areas.
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