biotechnology chemistry colloids congresses electrodynamics environmentalmonitoring general magneticmaterials magnetism medical metallicfilms metals nanoparticles nanophotonics nanostructuredmaterials opticalfiberdetectors opticalproperties optics opticsandelectrodynamics optoelectronics physical physics plasmonicsandopticaldevices polaritons preciousmetals qc350-467 qc630-648 science synthesis theoretical