Abstract
Simultaneous assessment of agrochemical residues in agricultural entities is crucial for ensuring food safety and protecting consumer health. A highly sensitive and stable thioglycolic acid (TGA) based surface modified coreshell nanorod (Au@Ag@TGANR) arrays were developed for simultaneous fungicide detection in peach samples. The developed Au@Ag@TGANRs exhibited superior surface enhance Raman scattering (SERS) performance, enabling the simultaneous examination of ziram (ZIR) and thiabendazole (TBZ) residues in peach samples with detection limits as low as 0.003 and 0.028 ppm and high R2 values of 0.996 and 0.995, for ZIR and TBZ, respectively. Good recoveries of 86.2 to 108.6 % and 80.2 to 105.7 % were also achieved for peach samples, highlighting the effectiveness of the established protocol for accurate and reliable detection of pesticides in fruits. These results suggest that the proposed method could be a valuable addition to current food safety protocols, with potential application in investigating toxic residues in agricultural entities.
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