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. Author manuscript; available in PMC: 2019 Oct 10.
Published in final edited form as: ACS Appl Mater Interfaces. 2018 Oct 1;10(40):34792–34801. doi: 10.1021/acsami.8b14128

Figure 2:

Figure 2:

Optical characterization of PDA and RV@PDA. (a) Appearance of growth solutions containing 0.25 mg/mL DA containing 0.1:1, 0.5:1, and 1:1 RV:DA versus 0.25 mg/mL DA and 0.25 mg/mL RV after 24 h. (b) UV-Vis absorbance spectra of pure PDA and RV@PDA. Spectra of DA and RV only are also shown for comparison.