Optimization of aqueous SI-ATRP grafting of Poly(Oligo(Ethylene Glycol) Methacrylate) brushes from benzyl chloride macroinitiator surfaces

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dc.contributor.authorRodda, Andrew E.
dc.contributor.authorErcole, Francesca
dc.contributor.authorNisbet, David R.
dc.contributor.authorForsythe, John S.
dc.contributor.authorMeagher, Laurence
dc.date.accessioned2015-03-18T01:54:17Z
dc.date.available2015-03-18T01:54:17Z
dc.date.issued2015
dc.date.updated2016-02-24T08:05:58Z
dc.description.abstractPoly(oligo(ethylene glycol) methacrylate) (pOEGMA) brushes were grafted via surface-initiated atom transfer radical polymerization (SI-ATRP) from a poly(styrene-co-vinylbenzyl chloride) macroinitiator. While bromoisobutyryl initiator groups are most commonly used for this purpose, benzyl chloride initiators may be advantageous for some applications due to superior stability. Water-only graft solutions produced thicker brush coatings with superior low fouling properties (low protein adsorption and cell adhesion) versus mixed water/alcohol solutions. Coatings produced using 475 Da OEGMA (methyl ether terminated) further reduced non-specific interactions compared to 360 Da OEGMA (hydroxyl terminated). Initiator density had minimal effect on low fouling properties.
dc.description.sponsorshipA.E.R. was supported in this work by an Australian Postgraduate Award and by the Cooperative Research Centre for Polymers. D.R.N. was supported by an NHMRC CDA Fellowship.en_AU
dc.format13 pages
dc.identifier.issn1616-5187
dc.identifier.urihttp://hdl.handle.net/1885/12969
dc.publisherWiley-VCH Verlag
dc.rights© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
dc.sourceMacromolecular Bioscience
dc.subjectaqueous ATRP
dc.subjectbenzyl chloride
dc.subjectmacroinitiator
dc.subjectprotein fouling
dc.subjectsurface initiated ATRP
dc.titleOptimization of aqueous SI-ATRP grafting of Poly(Oligo(Ethylene Glycol) Methacrylate) brushes from benzyl chloride macroinitiator surfaces
dc.typeJournal article
local.bibliographicCitation.issue6
local.bibliographicCitation.lastpage811
local.bibliographicCitation.startpage799
local.contributor.affiliationNisbet, David R., Research School of Engineering, College of Engineering and Computer Science, The Australian National Universityen_AU
local.contributor.authoruidu5031428en_AU
local.identifier.absfor090600 - ELECTRICAL AND ELECTRONIC ENGINEERING
local.identifier.ariespublicationa383154xPUB2338
local.identifier.citationvolume15
local.identifier.doi10.1002/mabi.201400512en_AU
local.identifier.essn1616-5195en_AU
local.identifier.scopusID2-s2.0-84930683398
local.publisher.urlhttp://www.wiley-vch.de/en_AU
local.type.statusPublished versionen_AU

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