简介：对Escherichiacoli和克积极的葡萄球菌aureus微生物的polyaniline(PAni)的优秀抗菌剂性能在黑暗、可见的轻条件下面被表明了。在PAni分子和细菌之间的静电的坚持可以为PAni的抗菌剂反应起一个很重要的作用，由于我们的调查，进行PAni，它的composites/blends被相信作为抗菌剂代理人的一种新类型有用，为改进人的健康和生活环境的自我清洗以及多功能的材料。

简介：ApreliminarystudywasmadeontheantibacterialbehaviorofanewlydesignedCu-bearingtype200stainlesssteelbydifferentmethodsincludingVickershardnessmeasurement,electrochemicaltestandantibacterialtest.TheresultsshowedthatCu-richprecipitationscausedbythesaturatedCuinthesteelmatrixwasnotonlyacrucialfactorforitsexcellentantibacterialcapability,butalsoforitsequivalentcorrosionresistanceasgoodasthecommercialtype200stainlesssteel.

简介：TiO2nanometerthinfilmswithphotocatalyticantibacterialactivitywerepreparedbythesol-gelmethodonfusedquartzandsodalimeglassprecoatedwithaSiO2layer.ThethinfilmswerecharacterizedbyX-rayphotoelectronspectroscopy(XPS),scanningelectronmicroscopy(SEM),andX-raydiffraction(XRD).TheresultsshowthatsodiumandcalciumdiffusionintonascentTiO2filmiseffectivelyretardedbytheSiO2layerpre-coatedonthesodalimeglass.Theantibacterialactivityofthefilmswasdetermined.ThecrystallineofTiO2nano-meterthinfilmhasimportanteffectsontheantibacterialactivityofthefilm.

简介：Anovelantibacterialmaterial(L-PET)waspreparedbyimmobilizingε-polylysineonpolyethyleneterephthalate(PET)nonwovenfabrics.SurfacemodificationsofthefabricwereperformedbyusingachemicalmodificationprocedurewherecarboxylgroupswerepreparedonthePETsurface,acouplingagentwasgrafted,andtheε-polylysinewasimmobilized.Scanningelectronmicroscopy(SEM)wasusedtoanalyzethesurfacemorphologyofthefabrics,whilethetoluidinebluemethodandX-rayphotoelectronspectroscopy(XPS)wereusedtoevaluatethegraftingdensities.TheantibacterialactivitiesoftheL-PETwereinvestigatedbyusingtheshaking-flaskmethod.TheelectronmicrographsshowedthatthesurfaceoftheblankPETandthemodifiedfabricsdidnotchange.TheresultsofXPSanalysisconfirmedthatε-polylysinewassuccessfullygraftedontothesurfaceofPET.TheresultsoftheantibacterialexperimentsshowedthatL-PETfabricshadexcellentantibacterialactivityagainstEscherichiacoliandStaphylococcusaureus,andthatL-PETfabricswerestableinstorageforatleasttwoyears.

简介：Tapwaterisoneofthemostcommonlyusedwaterresourcesinourdailylife.However,theincreasingwatercontaminationandthehealthriskcausedbypathogenicbacteria,suchasStaphylococcusaureusandEscherichiacolihaveattractedmoreattention.Themutualismofdifferentpathogenicbacteriamaydiminishantibacterialeffectofantibacterialagents.Itwasfoundthatmaterialsusedformakingpipeandtapplayedoneofthemostimportantrolesinpromotingbacterialgrowth.Thispaperistoreporttheperformanceofaninnovativetype304Cu-bearingstainlesssteel(304CuSS)againstmicrobesintapwater.Theinvestigationmethodologiesinvolvedweremeansofheterotrophicplatecount,contactanglemeasurements,scanningelectronmicroscopyforobservingthecellandsubtractsurfacemorphology,atomicabsorptionspectrometryforcopperionsreleasestudy,andconfocallaserscanningmicroscopyusedforexamininglive/deadbacteriaonnormal304stainlesssteeland304CuSS.ItwasfoundthatthesurfacefreeenergyvariedafterbeingimmersedintapwaterwithpolarcomponentandCuionsrelease.Theresultsshowed304CuSScouldeffectivelykillmostoftheplanktonicbacteria(max95.9%antibacterialrate),andconsequentlyinhibitbacterialbiofilmsformationonthesurface,contributingtothereductionofpathogenicrisktothesurroundingenvironments.

简介：nano-TiO2粒子被液体水解作用方法准备并且描绘了使用XRD。它对二个代表的抗菌剂活动细菌，Escherichiacoli和葡萄球菌aureus，也被学习。试验性的结果出现了在600700瑵椠?楶牴?整瑳?湡?敲慰物?的nano-TiO2calcinated???業散挠污慶楲污搠晥'太B.吗？？

简介：因为他们联合了木头和无机的混合物的优点，混合木头材料吸引了可观的注意。这个工作调查了微结构形态学，热稳定性，紫外(紫外)用wood/ZnO混血儿材料做通过的composites的稳定性，和抗菌剂性质一灵巧在原处化学合成方法。X光检查衍射(XRD)和thermogravimetric分析(TGA)结果显示综合ZnO粒子有大约10.8nm的一种平均谷物尺寸。扫描电子显微镜学(SEM)观察证明与nanosheets自我装配的ZnOnanoflowers在木头房间腔被介绍并且与增加Zn2+集中增加了。ZnOnanoparticles也在木头房间墙中被产生，它被精力散的光谱学(版本)的结果证实。TGA测试也显示wood/ZnO混血儿材料的热稳定性在ZnO无机的粒子的形成以后被改进。最后，抗菌剂功效测试的结果和紫外抵抗测试表明ZnOnanoparticles对Escherichiacoli作为抗菌剂代理人显示出有希望的未来(E。coli)并且为木头保护的紫外抵抗代理人。

简介：Magnesium(Mg)alloyshaveattractedconsiderableresearchattentionaspotentialbiocompatibleimplantmaterials.However,themajorbarrierstotheextendeduseofsuchmedicaldevicesarethepossibilityofhighcorrosionrateandimplantassociatedinfections.Tosolvethem,anovelpolyacrylicacid(PAA)/gentamicinsulfate(GS)-hydroxyapatite(HAp)coatingwassynthesizedbyaone-stephydrothermaldepositionmethod.CharacteristicsoffunctionalcoatingswereinvestigatedbySEM,FTIRandXRD.Corrosionpropertiesofsampleswereevaluatedbyelectrochemicalandhydrogenevolutiontests.AntibacterialactivitiesofthecoatingsagainstStaphylococcusaureus(S.aureus)weremeasuredbytheplate-countingmethod.Resultsshowedthattheas-preparedHApcoatingwithdenseandflawlessmorphologiescouldnotonlyenhancethecorrosionresistanceofMgalloys,butalsoimprovetheadhesionstrengthbetweentheHApcoatingandthesubstrate.Inaddition,theinductionoftheapatitecoatingduringimmersionconfirmedtheexcellentmineralizationabilityoftheHApcoating.Moreover,theobtainedHApcoatingpossessedantibacterialpropertiesandcouldprolongthereleaseofGS.Thus,thePAA/GS-HApcoatedMgalloycouldserveasabettercandidateforbiomedicalapplicationswithgoodanti-corrosionandantibacterialproperties.

简介：Thepurposeofthisstudywastoevaluatethelongtimeantibacterialpropertiesandshearbondstrengthofexperimentalnanosilver-containingcements(NSC).Nanosilverbaseinorganicantibacterialpowderwasaddedtothereinforcedglassionomercementatfivedifferentweightratiostoobtainaseriesofnanosilver-containingcements,thentheantibacterialpropertiesofthreeorthodonticcementproductsandfiveNSCsampleswereevaluatedbythedirectcontacttest(DCT)andtheagardiffusiontest(ADT).TheDCT,whichwasbasedonturbidnessdeterminationofbacterialgrowthin96-wellmicrotiterplates,wasperformedinbothfreshandagedfor1day,1week,2weeks,3weeks,4weeks,6weeks,and8weekstestedmaterials.TheshearbondstrengthesofthreeorthodonticcementproductsandfiveNSCsampleswereexaminedusingauniversaltestingmachine.TheADTresultsindicatedthattherewerenosignificantdifferencesbetweenNSCsandORTHOLCfreshspecimens.IntheDCTexperiment,allfreshsilvernanoparticles-containingtestedsamplespresentedpowerfulantibacterialproperties,buttheygraduallylosttheeffectiveantimicrobialagentswiththeextensionofagingtime.Finally,noneofthetestedmaterialsmaintaineditsantibacterialpropertyafteragingfor8weeks.Agraduallydecreasingtrendofbondstrengthpresentedwiththeincreasingincorporationofnanosilverbaseinorganicantibacterialpowderintotheglassionomercement,eventhoughallthetestedmaterialspecimensreachedtheidealbondstrengthrange.WemayconcludethatNSCscancontributetodecreasethedemineralizationratearoundbracketswithoutcompromisingbondstrength.

简介：TheantibacterialeffectofcarryingsilverB2O3-SiO2-Na2Oglassmaterialwasstudiedbymeansofantibacterialring,nephelometery,MICvalue,thinfilmattachmentandmicrocalorimetry,respectively.TheexperimentalresultsoffivekindsofantibacterialtestmethodsarealmostidenticalandcanverifythatcarryingsilverB2O3-SiO2-Na2Oglassmaterialexertsanexcellentantibacterialperformance.Antibacterialringandnephelometeryaresimple,quick,buttheprecisionisrestrictive.MICvalue,thinfilmattachmentmethodandmicrocalorimetrycanquantitativelycomparetheantibacterialeffectsoftheantibacterialglassmaterial.Comparedwiththetraditionalmicrobetestmethods,themicrocalorimetrycananalyzetheinhibitingeffectofthecell'sgrowthandmetabolismontheantibacterialglassmaterialbymonitoringthethermaleffectcontinuouslyandautomatically.