NDLI: A high efficiency approach for a titanium surface antifouling modification: PEG-<i>o</i>-quinone linked with titanium <i>via</i> electron transfer process

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Recent progress of liposomes in nanomedicine

Multi-modal delivery of therapeutics using biomaterial scaffolds

Stiff, strong, and tough hydrogels with good chemical stability

Prompt and synergistic antibacterial activity of silver nanoparticle-decorated silica hybrid particles on air filtration

Bacteria repelling poly(methylmethacrylate-co-dimethylacrylamide) coatings for biomedical devices

Co-caged gold nanoclusters and methyl motifs lead to detoxification of dendrimers and allow cytosolic access for siRNA transfection

Antibacterial property, angiogenic and osteogenic activity of Cu-incorporated TiO₂ coating

Cellulose-graft-poly(l-lactic acid) nanoparticles for efficient delivery of anti-cancer drugs

A high efficiency approach for a titanium surface antifouling modification: PEG-o-quinone linked with titanium via electron transfer process

Polydopamine-mediated long-term elution of the direct thrombin inhibitor bivalirudin from TiO₂ nanotubes for improved vascular biocompatibility

Rapid prototyping of chitosan-coated alginate scaffolds through the use of a 3D fiber deposition technique

pH-sensitive perylene bisimide probes for live cell fluorescence lifetime imaging

Photoluminescent sensor for acetylcholinesterase inhibitor determination

Biodegradable electroactive polymers for electrochemically-triggered drug delivery

Fluorescent and thermoresponsive supramolecular systems: synthesis, self-assembly and application in percutaneous optical monitoring

Optimal size of cell-laden hydrogel cylindrical struts for enhancing the cellular activities and their application to hybrid scaffolds

Carbon nanodots from date molasses: new nanolights for the in vitro scavenging of reactive oxygen species

Generation of uniform polymer eccentric and core-centered hollow microcapsules for ultrasound-regulated drug release

Thermally activated reversible shape switch of polymer particles

Fabrication and evaluation of electrospun PCL–gelatin micro-/nanofiber membranes for anti-infective GTR implants

An intermolecular quadruple hydrogen-bonding strategy to fabricate self-healing and highly deformable polyurethane hydrogels

Novel Ti⁴⁺-chelated magnetic nanostructured affinity microspheres containing N-methylene phosphonic chitosan for highly selective enrichment and rapid separation of phosphopeptides

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Journal of Materials Chemistry B Vol - 2 Issue - 5

Journal of Materials Chemistry B Vol -1

A high efficiency approach for a titanium surface antifouling modification: PEG-o-quinone linked with titanium via electron transfer process

Content Provider	Royal Society of Chemistry (RSC)
Author	Liu, Songtao Wang, Yanmei Bai, Longchao Cao, Fuhu Chen, Lijuan Tan, Lin
Copyright Year	2014
Abstract	We explored a novel approach for the modification of titanium surfaces to improve the biocompatibility and antifouling properties using PEG-catechol. As is well-known, PEG-catechol can easily self-assemble onto titanium surfaces. However, the higher grafting density by this approach is hard to obtain. In our paper, o-quinone (the oxide of catechol) as the adhesive segment was used for the first time to graft PEG brushes onto titanium surfaces using the electroreduction process. Variable angle spectroscopic ellipsometer showed that the ultrahigh-density PEG brush adlayer could be grafted to the titanium surface when the o-quinone segment performs electrochemical reduction on the titanium. We called the adlayers that grafted onto the titanium surfaces by this kind of approach, electro-assembly monolayers (e-AMs). This distinguishes it from the PEG-catechol self-assembly monolayers (SAMs). The XPS, AFM and WCA techniques were also used to characterize the coating grafted onto the titanium surfaces via the two different ways. A clear result is that the grafted density of e-AMs can be higher than that of SAMs, and the grafted density of the e-AMs can be easily modulated. In addition, the long-term stability of e-AMs against full blood serum, FITC marked BSA and platelet adsorption was better than that of the SAMs.
Starting Page	6758
Ending Page	6766
Page Count	9
File Format	HTM / HTML PDF
ISSN	2050750X
Volume Number	2
Issue Number	39
Journal	Journal of Materials Chemistry B
DOI	10.1039/c4tb01014k
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	WCA FITC BSA Titanium Biocompatibility Grafting Catechol Electrochemistry Self-assembly Blood plasma Fluorescein isothiocyanate Platelet Adsorption
Content Type	Text
Resource Type	Article
Subject	Chemistry Medicine Materials Science Biomedical Engineering

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A high efficiency approach for a titanium surface antifouling modification: PEG-o-quinone linked with titanium via electron transfer process

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