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• ZG客戶(hù)在國(guó)際期刊上發(fā)表的文章16

  ConversionoftheSurfacePropertyofOleicAcidStabilizedSilverNanoparticlesfromHydrophobictoHydrophilicBasedonHost-GuestBindingInteractionMingChen,WenHuaDing,YangKong,andGuoWangDiao*Thispaperdescribesageneralmethodtochangethesurfacepropertyoftheoleicacidstabilizedsilvernanoparticlesandsuccessfultranferringofthesilvernanoparticlesfromtheorganicphaseintotheaqueousphase.Byvigorousshakingofabiphasicmixtureofthesilverorganosolprotectedwitholeicacidandp-sulfonatedcalix[4]arene（pSC4）aqueoussolution,itisbelievedthataninclusioncomplexisformedbetweenoleicacidmoleculesandpSC4,andtheprotectivelayerofthesilvernanoparticlesshiftsfromhydrophobictohydrophilicinnature,whichdrivesthetransferofsilvernanoparticlesfromtheorganicphaseintotheaqueousphase.TheefficiencyofthephasetransfertotheaqueoussolutiondependsontheinitialpSC4concentration.ThepSC4-oleicacidinclusioncomplexstabilizednanoparticlescanbestableforlongperiodsoftimeinaqueousphaseunderambientatmosphericconditions.TheprocedureofphasetransferhasbeenindependentlyverifiedbyUV-vis,transmissionelectronmicroscopy,Fouriertransforminfrared,and1Hnuclearmagneticresonancetechniques.[詳細(xì)]

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• ZG客戶(hù)在國(guó)際期刊上發(fā)表的文章15

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• ZG客戶(hù)在國(guó)際期刊上發(fā)表的文章14

  InfluenceofaramidfibermoistureregainduringatmosphericplasmatreatmentonagingoftreatmenteffectsonsurfacewettabilityandbondingstrengthtoepoxyYuRen,ChunxiaWang,YipingQiu*Oneofthemaindifferencesbetweenalow-pressureplasmatreatmentandanatmosphericpressureplasmatreatmentisthatinatmosphere,thesubstratematerialmayabsorbsignificantamountofwaterwhichmaypotentiallyinfluencetheplasmatreatmenteffects.Thispaperinvestigateshowthemoistureabsorbedbyaramidfibersduringtheatmosphericpressureplasmatreatmentinfluencestheagingbehaviorofthemodifiedsurfaces.Kevlar49fiberswithdifferentmoistureregains（MR）（0.5,3.5and5.5%,respectively）aretreatedwithatmosphericpressureplasmajet（APPJ）withheliumasthecarriergasandoxygenasthetreatmentgas.Surfacewettabilityandchemicalcompositions,andinterfacialshearstrengths（IFSS）toepoxyforthearamidfibersinallgroupsaredeterminedusingwatercontactanglemeasurements,X-rayphotoelectronspectroscopy（XPS）,andmicro-bondpullouttests,respectively.Immediatelyaftertheplasmatreatment,thetreatedfibershavesubstantiallylowerwatercontactangles,highersurfaceoxygenandnitrogencontents,andlargerIFSStoepoxythanthoseofthecontrolgroup.Attheendof30dayagingperiod,thefiberstreatedwith5.5%moistureregainhadalowerwatercontactangleandmorepolargroupsonthefibersurface,leadingto75%improvementofIFSSoverthecontrolfibers,whilethoseforthe0.5and3.5%moistureregaingroupswereonly30%.[詳細(xì)]

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  PolymerplatingonAZ31magnesiumalloysurfaceandfilmevaluationofcorrosionpropertyZhixinKang,JingSang,MingShao,YuanyuanLiThepolymericthinfilmwaspreparedonthesurfaceofAZ31magnesiumalloybypolymerplatingof6-dihexylamino-1,3,5-triazine-2,4-dithiolmonosodium（DHN）inordertomodifyitssurfacefeatureandtoimproveitsanti-corrosiveproperty.Cyclicvoltammetrywasusedtostudytheelectrochemicalreactionandfilmgrowthprocessofpoly（6-dihexylamino-1,3,5-triazine-2,4-dithiol）（PDH）film,andthereactionpeaksforfilmformationandgrowthwereaffirmed.Thepolymericfilmweightwasdeterminedbyelectronicbalanceanditsinsolublefractionintetrahydrofuranwasalsomeasured.Contactanglemeterwasappliedtotestthesurfacewettabilitywithdistilledwaterdropsatambienttemperature.Itwasfoundthatthepolymer-platedAZ31alloyshowedhydrophobicpropertywithitsdistilledwatercontactangleupto117.2.TheperformancepropertyofpolymericthinfilmformedonAZ31surfacewasstudiedbypotentiodynamicpolarizationandelectrochemicalimpedancespectroscopy（EIS）inthecorrosionsolutionof3.5%NaCl.Theelectrochemicalexperimentresultsshowedthatpolymer-platedthinfilmwithhydrophobicandinsulativecharacteristicscouldprovidesurfacemodificationandaneffectiveanti-corrosiveprotectiontomagnesiumalloysubstratecomparedtotheblankone.[詳細(xì)]

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  Thephysicalpropertiesofaqueoussolutionofroom-temperatureionicliquidsbasedonimidazolium:DatabaseandevaluationWeiweiLiu,LingyanCheng,YumeiZhang,HuapingWang?,MingfangYuWereportthesystematicstudiesofthephysicalpropertiesofsystemsinvolvingimidazoliumbasedionicliquidsandwater.Themeasurementsofdensityρ,refractiveindexΔn,viscosityη,specificconductanceκandsurfacetensionγweremadeoverthewholeconcentrationrange.TheequivalentconductivityΛmwascalculated.Thephysicalproperti`esofthesolutionschangedwiththechangeofassociationbetweenionicliquidandwater.Thephysicalpropertiesofthesolutionsalsovarywiththealkyllengthonthecationandpolarityofanion.[詳細(xì)]

  2018-09-10 11:11

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• ZG客戶(hù)在國(guó)際期刊上發(fā)表的文章11

  Fabricationandinvitrodrugreleasestudyofmicrospheredrugdeliverysystemsbasedonamphiphilicpoly-,-[N-（2-hydroxyethyl）-l-aspartamide]-g-poly（l-lactide）graftcopolymersYu-XiangZhou,Song-LinLi,Hui-LiFu,Si-XueCheng,Xian-ZhengZhang,Ren-XiZhuoBiodegradableamphiphilicgraftcopolymerswithdifferentcompositionsweresynthesizedbygraftingpoly（l-lactide）（PLLA）sequencesontoawater-solublepoly-,-[N-（2-hydroxyethyl）-l-aspartamide]（PHEA）backbone.Thecriticalmicelleconcentration（CMC）ofthegraftpolymerswasdeterminedbyfluorescenceprobetechnique.UsingtheMTT（3-（4,5-dimethylthiazol-2-yl）-2,5-diphenyltetrazoliumbromide）assay,thegraftpolymerswereprovedtohavelowcytotoxicity.Basedonthespecificphysicochemicalpropertyofthegraftcopolymers,submicronsizedmicrospheredrugdeliverysystemswerepreparedbyaveryconvenient“ultrasonicdispersionmethod”,whichdidnotinvolvetoxicorganicsolvents.Thedrug-loadedmicrosphereshadaregularsphericalshapewithanarrowsizedistribution.Ahydrophobicdrug,prednisoneacetate,wasencapsulatedintopolymericmicrospheresandtheinvitrodrugreleasewasstudied[詳細(xì)]

  2018-09-10 11:11

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• ZG客戶(hù)在國(guó)際期刊上發(fā)表的文章10

  pH-AmplifiedExponentialGrowthMultilayers:AFacileMethodtoDevelopHierarchicalMicro-andNanostructuredSurfacesJinhongFu,JianJi,LiyanShen,AlexanderKu¨ller,AxelRosenhahn,JiacongShen,andMichaelGrunze*Wereportadirectmethodtoamplifytheexponentialgrowthofmultilayerssignificantlybythealternatingdepositionofpolyethylenimine（PEI）athighpHandpoly（acrylicacid）（PAA）atlowpH.ThealternatingpHswitchesthedegreeofionizationofthepolyelectrolytesinthemultilayers,whichenhancesthediffusionofPEIintoandoutofthefilmandhenceincreasesthedepositedmasspercycle.ThesynergeticactionofthepH-tunablechargedensityanddiffusivityoftheweakpolyelectrolytesprovidesanewmethodfortheenhancedgrowthofmultilayerswithhierarchalmicroandnanostructuredsurfaces.[詳細(xì)]

  2018-09-10 11:11

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• ZG客戶(hù)在國(guó)際期刊上發(fā)表的文章9

  FluorescentFilmSensorforVapor-PhaseNitroaromaticExplosivesviaMonolayerAssemblyofOligo（diphenylsilane）onGlassPlateSurfacesGangHe,GuofangZhang,FengtingLu¨,andYuFang*Afluorescentfilmsensorwaspreparedbychemicalassemblyofoligo（diphenylsilane）sonaglassplatesurfaceandwasusedforthedetectionofnitroaromaticcompounds（NACs）invaporphase.Thisdesigncombinestheadvantagesoffluorescentfilmsbasedonsingle-layerchemistryandthesignalamplificationeffectofconjugatedpolymersandprovidesaneffectivewaytocreatenovelfluorescencesensingfilmsforNACsexplosives.Theadvantageshavebeendemonstratedexperimentallybythesupersensitiveresponseoftheabove-mentionedfilmtothepresenceoftraceamountsofNACsinvaporphase.Furtherexperimentsshowedthatthesensingprocessisreversible,andthecommonlyencounteredinterferingsubstanceshavenointerferencetotheprocess.Fluorescencelifetimemeasurementsrevealedthatthequenchingisstaticinnature.Thesupersensitiveresponse,andthereversibilityandinterferencefreeofthesensingprocess,makethefilmapromisingNACssensor.[詳細(xì)]

  2018-09-10 11:11

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• ZG客戶(hù)在國(guó)際期刊上發(fā)表的文章8

  RoomTemperatureIonicLiquidBasedPolystyreneNanofiberswithSuperhydrophobicityandConductivityProducedbyElectrospinningXianboLu,JianhuaZhou,YihuaZhao,YongQiu,andJinghongLi*Inthisreport,apolystyrene-ionicliquid（PS-IL）compositenanofiberwassuccessfullyproducedforthefirsttimebyanelectrospinningmethod.TheelectrospuncompositefilmswerecharacterizedbySEM,FTIR,cyclicvoltammetry,watercontactangle（WCA）measurement,andconductivitymeasurement.Thedimension,morphology,conductivity,andhydrophobicityofelectrospunPS-ILcompositefilmcanbeeffectivelycontrolledbyalteringtheexperimentalparametersforelectrospinning,especiallythecontentofILintheoriginalelectrospinningsolution.TheelectrospunPS-ILcompositefilmdisplayedbothsuperhydrophobicityandconductivity,whichmaybeascribedtothemicro-andnanoscalehierarchicalstructuresofthePS-ILcompositefilmandtheintrinsichydrophobicityandconductivityoftheIL（BMIPF6）.EntrapmentofILwithinpolymerbyelectrospinningprovidesafacilewaytocreateIL-basednanofibersandcompositefilmandmayfindwidepotentialapplicationsinthefabricationofcontrollableandfunctionalsurface.[詳細(xì)]

  2018-09-10 11:11

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