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. Author manuscript; available in PMC: 2019 Apr 1.
Published in final edited form as: J Biomed Mater Res B Appl Biomater. 2017 Jun 20;106(3):1268–1279. doi: 10.1002/jbm.b.33915

Fig. 2. Qualitative spectroscopic analysis of uncoated and PHEMA-coated PDMS ventricular catheters.

Fig. 2

ATR-FTIR spectra of (A) pristine and (B) iCVD PHEMA-coated PDMS catheters. The PDMS background was subtracted out of the PHEMA-coated PDMS spectrum. The OH (3434 cm−1) and C=O (1726 cm−1) peaks of PHEMA suggest that PHEMA was successfully deposited on the catheters.