Dry film refractive index as an important parameter for ultra-low fouling surface coatings

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Title:	Dry film refractive index as an important parameter for ultra-low fouling surface coatings
Authors:	黃俊仁;Brault, Norman D;Sundaram, Harihara S;Li, Yuting;Huang, Chun-Jen;Yu, Qiuming;Jiang, Shaoyi
Contributors:	工學院化學工程與材料工程學系
Keywords:	Acrylamides - chemistry;Adsorption;Applied sciences;Biofouling - prevention & control;blood serum;chemical elements;Coated Materials, Biocompatible - chemistry;coatings;Exact sciences and technology;films (materials);fouling;Humans;Organic polymers;Physicochemistry of polymers;Polymerization;polymers;Polymers - chemistry;Polymers with particular structures;Preparation, kinetics, thermodynamics, mechanism and catalysts;refractive index;Refractometry;Surface Plasmon Resonance;Surface Properties;water content;zwitterions
Date:	2012-03-12
Issue Date:	2026-04-21 13:52:47 (UTC+8)
Publisher:	American Chemical Society;Washington, DC: American Chemical Society
Abstract:	摘要： Here we demonstrate that the film refractive index (RI) can be an even more important parameter than film thickness for identifying nonfouling polymer films to undiluted human blood plasma and serum. The film thickness and RI are two parameters obtained from ellipsometry. Previously, film thickness has been correlated to ultra-low fouling properties. Practically, the film RI can be used to characterize polymer density but is often overlooked. By varying the water content in the surface-initiated atom transfer radical polymerization of zwitterionic carboxybetaine, a minimum of ∼1.5 RI units was necessary to achieve <5 ng/cm2 of adsorption from undiluted human serum. A model of the film structure versus water content was also developed. These results point to an important parameter and simple approach for identifying surface coatings suitable for real-world applications involving complex media. Therefore, ultra-low fouling using a thin film is possible if it is densely packed. 其他題名： Biomacromolecules 出版者： Washington, DC: American Chemical Society 出版日期： 2012-03-12 出處： Biomacromolecules, 2012-03, Vol.13 (3), p.589-593 資源來源： American Chemical Society Journals 版權： Copyright © 2012 American Chemical Society 版權： 2015 INIST-CNRS 識別號： ISSN: 1525-7797 識別號： ISSN: 1526-4602 識別號： EISSN: 1526-4602 識別號： DOI: 10.1021/bm3001217 識別號： PMID: 22352876
Appears in Collections:	[Department of Chemical and Materials Engineering] journal & Dissertation

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