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 Wysłany: Nie 20:32, 28 Lis 2010 Temat postu: PUMA shoes wholesale Polyester surface deposition |
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Polyester diamond surface deposition and Antibacterial Property
ty,[link widoczny dla zalogowanych], Chengdu610031,[link widoczny dla zalogowanych], China) Abstract: Thesurfacecoatingandbacterialadhesionbehavioronpolyethyleneterephthalate (PET) treatedbyacetylene (c2H2) plas-maimmersionionimplantation-deposition (PIII-D) wasinvestigated. Adiamond-likecarbon (DLC) layerisformedonthePETsur-faceandprovedbylaserRamanspectroscopy,[link widoczny dla zalogowanych], X-rayphotoelectronspectroscopy (XPS) andattenuatedtotalreflectionFouriertrans-forminfraredspectroscop?,[link widoczny dla zalogowanych], '(ATR-FTIR). Atomicforcemicrographs (AFM) showthatC2HzPIII-DsignificantlychangesthesurfacemorphologyofPET. Thecapacitiesofstaphylococcusaureus (SA),[link widoczny dla zalogowanych], staphylococcusepidermidis (SE). escherichiacoli (EC). pseud-omonasaeruginosa (PA) andcandidaalbicans (CA) foradhesiontoPETsarequantitativelydeterminedbytheplatecountinginvitro. TheresdhsindicatethatthecapacitiesoffivetypesofbacteriaforadhesiontoPETsareallsuppressedbyC2H2PIll-D. Allthesub-stratesaswellasthebacterialstrainhavenegativezetapotentials. anditmeansthatbacterialadhesionisnotmediatedbyelectrostaticinteractions. Thesurfaceenergycomponentsofthevarioussubstratesandbacteriaarecalculatedbasedonmeasurementsinwater. formamideanddiiodomethaneandLifshitz-vandelWaals/acid-baseapproach (LW-AB). TheresultsshowthatthehydrophilicpropertyandsurfacefreeenergyincreaseafterDLCdeposition. Thechangeofsurfacefreeenergyandsurfaceroughnessmayinflu-encethebacterialadhesiononthesubstrate. Keywords: diamond-likecarbon (DLC); bacterialadhesion; plasmaimmersionionimplantation-deposition (PIII-D); polyethyleneterephthalate (PET): surfacemodification ∞ ∞ bamboo O-E 『no9oI. × Wang abnormal I. uIco a bamboo 0LI to beans. I33B five clE summer § coo
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