The invention relates to colloidal particles of differing elemental compositions with differing morphologies, and to methods of preparing same. The invention also provides applications of such colloidal particles as labels in microscopy, as staining agents, and as biomolecule or drug carriers....http://www.google.es/patents/US6699507?utm_source=gb-gplus-sharePatente US6699507 - Colloidal particles of different element composition for specific labeling purposes
Colloidal particles of different element composition for specific labeling ...
