SERS active substrates for neonicotinoids studies

Abstract Different basic substrates, – Si wafers, (001) SiO 2 , printer paper, Al O 3 micro-processed or diamond abrasive films, have been used to create active Ag and Au nanostructures. In this lecture, we report the use of pulsed-laser deposition thermal both followed by annealing; results are compared. Advanced substrates on were produced in view surface-enhanced Raman spectroscopy (SERS) detection imidacloprid (Nuprid 200 SP) neonicotinoid insecticide amounts much smaller than those ordinarily applied agricultural medicine. The SERS peaks intensity rose at least one order magnitude after annealing metal films nanoparticles arrays formation. enhancement factor (EF) was estimated be >5×10 4 limit (LOD) reached being < 0.5 nM. properties advanced compared discussed. importance as a relatively inexpensive simple method is emphasized regulating, monitoring controlling level such chemicals environmental pollutants, thus precluding harming human and, especially, honey bees’ health.