1 Education Ministry Key Laboratory of Luminescence and Real-Time Analysis, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China.
Colors of scattering light of single gold nanoparticles (AuNPs) were coded with the tricolor (RGB) system by assigning digital values to R, G and B and then this was applied to binding studies of thiols to AuNPs through RGB analysis.