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PEM Anchorage on Titanium Using Catechol Grafting

by Chavanne, Marie-Hélène , Grosgogeat, Brigitte , Schoentstein, Frédérique , Mora, Laurence , Marie, Hélène , Barrere, Amélie

in Adhesives / Amines / Atomic force microscopy / Biocompatibility / Bioengineering / Biomaterials / Biomedical engineering / Biomedical materials / Carboxylic acids / Catechin / Catechol / Catechols - chemistry / Chemisorption / Chemistry / Coated Materials, Biocompatible - chemical synthesis / Contact angle / Dopamine / Electrolytes - chemistry / Engineering / Fibroblasts / Fourier transforms / Grafting / Infrared spectroscopy / Life Sciences / Materials Science / Microscopy / Microscopy, Atomic Force / Phenylalanine / Phenylpropionates - chemistry / Photoelectron Spectroscopy / Photoelectrons / Polyelectrolytes / Polymerization / Polymers / Polymers - chemistry / Propionic acid / Spectroscopy / Spectroscopy, Fourier Transform Infrared / Substrates / Surface Properties / Surgical implants / Therapeutic applications / Titanium / Titanium - chemistry / Titanium dioxide / X ray photoelectron spectroscopy / X-ray spectroscopy

2012

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PEM Anchorage on Titanium Using Catechol Grafting

by Chavanne, Marie-Hélène , Grosgogeat, Brigitte , Schoentstein, Frédérique , Mora, Laurence , Marie, Hélène , Barrere, Amélie

2012

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PEM Anchorage on Titanium Using Catechol Grafting

by Chavanne, Marie-Hélène , Grosgogeat, Brigitte , Schoentstein, Frédérique , Mora, Laurence , Marie, Hélène , Barrere, Amélie

2012

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Journal Article

PEM Anchorage on Titanium Using Catechol Grafting

Chavanne, Marie-Hélène,

Grosgogeat, Brigitte,

Schoentstein, Frédérique,

Mora, Laurence,

Marie, Hélène,

Barrere, Amélie

2012

Overview

This study deals with the anchorage of polyelectrolyte films onto titanium surfaces via a cathecol-based linker for biomedical applications. The following study uses a molecule functionalized with a catechol and a carboxylic acid: 3-(3,4-dihydroxyphenyl)propanoic acid. This molecule is anchored to the TiO(2) substrate via the catechol while the carboxylic acid reacts with polymers bearing amine groups. By providing a film anchorage of chemisorption type, it makes possible to deposit polyelectrolytes on the surface of titanium. Infrared spectroscopy (ATR-FTIR), X-ray photoelectron spectroscopy (XPS), contact angle and atomic force microscopy (AFM) measurements show that the different steps of grafting have been successfully performed. This method based on catechol anchorage of polyelectrolytes open a window towards large possibilities of clinical applications.

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Publisher

Public Library of Science,Public Library of Science (PLoS)

Subject

Adhesives

/ Amines

/ Atomic force microscopy

/ Biocompatibility

/ Bioengineering

/ Biomaterials

/ Biomedical engineering