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FTIR spectra of A. adstringens (a) shock wave extract and AuNPs (SWCD-EW and Au@SWCD-EW, respectively), and (b) ultrasound extract and AuNPs (US-W and Au@US-,W re-spectively). Second derivative of FTIR spectra of A. adstringens (c) shock wave extract and AuNPs (SWCD-EW and Au@SWCD-EW, respectively), and (d) ultrasound extract and AuNPS (US-W and Au@US-W, respectively).
