Patent 7759098 was granted and assigned to Council of Scientific and Industrial Research on July, 2010 by the United States Patent and Trademark Office.
The present invention provides a new process using biological method for the preparation of immobilized nano-particles of metals. Fungi are used to efficiently prepare immobilized nano-particles of various metals ions such as Au, Ag, Pd, Pt, Ni, Rh and Ru from their aqueous solutions.