A highly sensitive and selective resonance Rayleigh scattering method for bisphenol A detection based on the aptamer-nanogold catalysis of the HAuCl4-vitamin C particle reaction

Based on the catalytic effect of the bisphenol A aptamer-modified gold nanoparticle (Apt-GN) on the HAuCl4-vitamin C (VC) particle reaction and its resonance Rayleigh scattering effect at 370 nm, 3.33-333.3 ng mL(-1) bisphenol A was detected, with a detection limit of 0.083 ng mL(-1).