Fig. 6From: Comparing silver and gold nanoislands’ surface plasmon resonance for bisacodyl and its metabolite quantification in human plasmaThe overlay construction of the 25 mixtures of BIS and its active metabolite measured on the surface of a glass substrate coated with (A) Cit-AgNPs, (B) Cit-AuNPs, and (C) Savitzky-Golay first derivative algorithm of mixtures adsorbed on Cit-AuNPsBack to article page