Figure 4.
Raman spectra of various samples: (A) CVC, (B) DCVC, (C) DCVC-Ag3, (D) DCVC-Ag2, and (E) DCVC-Ag1.
Abbreviations: au, arbitrary unit; CVC, central venous catheter; DCVC, central venous catheters coated with polydopamine films.
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