Surface hydration for antifouling and bio-adhesion.

Chemical Science
Chelsey A Del GrossoJonathan J Wilker

Abstract

Antifouling properties of materials play crucial roles in many important applications such as biomedical implants, marine antifouling coatings, biosensing, and membranes for separation. Poly(ethylene glycol) (or PEG) containing polymers and zwitterionic polymers have been shown to be excellent antifouling materials. It is believed that their outstanding antifouling activity comes from their strong surface hydration. On the other hand, it is difficult to develop underwater glues, although adhesives with strong adhesion in a dry environment are widely available. This is related to dehydration, which is important for adhesion for many cases while water is the enemy of adhesion. In this research, we applied sum frequency generation (SFG) vibrational spectroscopy to investigate buried interfaces between mussel adhesive plaques and a variety of materials including antifouling polymers and control samples, supplemented by studies on marine animal (mussel) behavior and adhesion measurements. It was found that PEG containing polymers and zwitterionic polymers have very strong surface hydration in an aqueous environment, which is the key for their excellent antifouling performance. Because of the strong surface hydration, mussels do not ...Continue Reading

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Citations

Mar 12, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Poushali DasAharon Gedanken
Apr 9, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Shujing WangXiaofeng Han
Jun 20, 2021·Macromolecular Bioscience·Dominik SöderCesar Rodriguez-Emmenegger
Sep 21, 2021·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Chieh-Yang ChiuTa-Jen Yen
Oct 21, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Shuqing ZhangZhan Chen
Nov 10, 2021·Chemical Society Reviews·Amal NarayananAbraham Joy
Oct 29, 2021·Advanced Healthcare Materials·Matthew BlakeleyThomas Crouzier

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