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Langmuir. 2017 Nov 28;33(47):13689-13698. doi: 10.1021/acs.langmuir.7b03098. Epub 2017 Nov 16.

Capsaicin-Inspired Thiol-Ene Terpolymer Networks Designed for Antibiofouling Coatings.

Langmuir : the ACS journal of surfaces and colloids

Haiye Wang, Joshua Jasensky, Nathan W Ulrich, Junjie Cheng, Hao Huang, Zhan Chen, Chunju He

Affiliations

  1. College of Materials Science and Engineering, Donghua University , Shanghai 201620, P. R. China.
  2. Department of Chemistry, University of Michigan , Ann Arbor, Michigan 48109, United States.

PMID: 29100465 DOI: 10.1021/acs.langmuir.7b03098

Abstract

Novel photocurable ternary polymer networks were prepared by incorporating N-(4-hydroxy-3-methoxybenzyl)-acrylamide (HMBA) into a cross-linked thiol-ene network based on poly(ethylene glycol)diacrylate (PEGDA) and (mercaptopropyl)methylsiloxane homopolymers (MSHP). The ternary network materials displayed bactericidal activity against Escherichia coli and Staphylococcus aureus and reduced the attachment of marine organism Phaeodactylum tricornutum. Extensive soaking of the polymer networks in aqueous solution indicated that no active antibacterial component leached out of the materials, and thus the ternary thiol-ene coating killed the bacteria by surface contact. The surface structures of the polymer networks with varied content ratios were studied by sum frequency generation (SFG) vibrational spectroscopy. The results demonstrated that the PDMS Si-CH

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