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. 2021 Feb 15;13(2):261. doi: 10.3390/pharmaceutics13020261

Figure 9.

Figure 9

Raman spectra of (A) PhEA, (B) PIP, (C) CCD/P, and (D) CCD/P-PhEA-PIP; SERS spectra of (E) AuNS-CCD/P and (F) AuNS-CCD/P-PhEA-PIP.