Optimization of Molecularly Imprinted Polymer Method for Rapid Screening of 17β-Estradiol in Water by Fluorescence Quenching

Figure 2

(a) Fluorescence excitation spectrum of AuNPs aqueous suspension (𝜆_em=310 nm), (b) fluorescence emission spectrum (first and second orders) of AuNPs aqueous suspension (𝜆_ex=280 nm), (c) fluorescence emission spectrum of E2 aqueous solution (𝜆_ex=280 nm), and (d) fluorescence emission spectrum of E2 aqueous solution in presence of trisodium citrate dihydrate (1% w/w) (𝜆_ex=280 nm).