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(a) SERS spectra on PET/ITO/Ag platform recorded for Thiram pesticide solution (I), Thiram in apple juice (II), and apple juice (III), and (b) the detected traces of both Thiram and Carbaryl taken from an apple’s skin. The inset presents photo of pesticide collection from an apple’s skin. SERS spectra were recorded using a 785 nm laser excitation with the laser power below 5 mW with three accumulations for four seconds.
