Compositions and methods for destroying chemical and biological agents such as toxins and bacteria are provided wherein the substance to be destroyed is contacted with finely divided metal oxide nanoparticles. The metal oxide nanoparticles are coated with a material selected from the group consisting...http://www.google.es/patents/US6887302?utm_source=gb-gplus-sharePatente US6887302 - Air-stable metal oxide nanoparticles
