Chemical preparations for use in bio-assays, in-vitro diagnostic testing, and surface-enhanced Raman spectroscopy (sers), and for research in the fields of medicine, biomedicine, nano-biotechnology, bioconjugation technology and drug delivery; reagents for research purposes; reagents for scientific or medical research use; biochemical reagents used for non-medical purposes; chemical reagents, other than for medical or veterinary use; diagnostic reagents for clinical or medical laboratory use;...