A new `gold standard` for safer ceramic coatings
(PHYSorg.com Nanotechnology)

Making your own ceramics can be a way to express your creativity, but some techniques and materials used in the process could spell bad news for your health and the environment. If not prepared properly, some glazed ceramics can leach potentially harmful heavy metals. Scientists now report progress toward a new type of glaze that includes gold and silver nanoparticles, which are less toxic and more environmentally friendly than currently used formulations, while still providing vibrant colors.