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(a,b) Photograph of thiram and RDX collection by simple swabbing on banana and glass surfaces using flexible FP substrate. (c) Thiram SERS spectra were recorded by swabbing on a banana (d) RDX SERS spectra recorded by swabbing on glass and collected the data from randomly selected 10 sites on optimized FPAu SERS substrate (after swabbing).
