Fig. 1From: Visual Cu2+ Detection of Gold-Nanoparticle Probes and its Employment for Cu2+ Tracing in Circuit Systema XRD result of LS-AuNPs. Correlated EDS result was shown in the inset of Fig. 1a. b FTIR result and TEM images of LS-AuNP probes c before and d after sensing Cu2+ ions (50 μM)Back to article page