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dc.contributor.authorPARRACINO ANTONIETTAen_GB
dc.contributor.authorPELLACANI Paolaen_GB
dc.contributor.authorCOLPO Pascalen_GB
dc.contributor.authorCECCONE Giacomoen_GB
dc.contributor.authorVALSESIA Andreaen_GB
dc.contributor.authorROSSI Francoisen_GB
dc.contributor.authorMANSO SILVAN Miguelen_GB
dc.date.accessioned2016-12-16T02:13:14Z-
dc.date.available2016-12-14en_GB
dc.date.available2016-12-16T02:13:14Z-
dc.date.created2016-12-12en_GB
dc.date.issued2016en_GB
dc.date.submitted2016-11-21en_GB
dc.identifier.urihttp://publications.jrc.ec.europa.eu/repository/handle/JRC104080-
dc.description.abstractAmorphous carbon films exhibit attractive optical and surface properties. In this work, modified amorphous carbon films incorporating nitroxide groups (α-CNO) have been obtained by searching for a condensed analogue to classical soft antifouling materials. Thin films deposited by reactive magnetron sputtering in air discharges at varying power conditions were characterized by ellipsometry, atomic force microscopy, and water contact angle. Plasma power was observed to activate the densification and roughness of nanograined films. Most hydrophilic films deposited at 30 W exhibited the lowest refractive index, negligible optical absorption in the vis- IR, and presented a close to stoichiometric C2NO composition, as derived from X-ray photoelectron spectroscopy. Micropatterns prepared by photolithography validated the transparency−hydrophilicity of the α-CNO, as observed by water condensation contrast imaging. An albumin adsorption experiment evaluated through fluorescence revealed that α-CNO behaves as antifouling with respect to Si. Such thin antifouling films are of interest for the initiation of immobilization cascades in imaging surface plasmon resonance, where they have confirmed their antifouling contrast enhancement role. These results illustrate that the combination of a nanorough surface with nitroxide chemistry induces an antifouling behavior. In association with the optical transparency, the results invite the exploration of the bioengineering dimension of α-CNO films.en_GB
dc.description.sponsorshipJRC.F.2-Consumer Products Safetyen_GB
dc.format.mediumOnlineen_GB
dc.languageENGen_GB
dc.publisherAmerican Chemical Societyen_GB
dc.relation.ispartofseriesJRC104080en_GB
dc.titleBiofouling Properties of Nitroxide-Modified Amorphous Carbon Surfacesen_GB
dc.typeArticles in periodicals and booksen_GB
dc.identifier.doi10.1021/acsbiomaterials.6b00381en_GB
JRC Directorate:Health, Consumers and Reference Materials

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