简介：Objective:TostudyandcomparethehemocompatibilityofMWCNTsandhydroxylmodificatedMWCNTs(MWCNTs-OH).Methods:MWCNTsandMWCNTs-OHwerecharacterizedbyscanningelectronmicroscope,Fouriertransforminfraredspectroscopy,watercontactangleassays,platelet-adhesionandhemolyticrateassays.Results:TheresultsshowedthatthetwoMWCNTshadasimilarsurfacetopographyandMWCNTs-OHwerefunctionalizedwithhydroxylgroupsontheirsurfaces.WatercontactangleassaysindicatedthatMWCNTswerehydrophobicmaterials,whereasMWCNTs-OHwashydrophilic.Theplatelet-adhesionassaysdisplayedthattheplatelet-adhesionrateofMWCNTs-OHwasmuchlowerthanMWCNTs.ThehemolyticrateassaysshowedthatthehemolyticratesofbothMWCNTswerelowerthanthestandardvalueof5%.Conclusion:MWCNTs-OHshowssuperioranticoagulantcapacityoverMWCNTs.BothMWCNTsandMWCNTs-OHarenonhemolyticmaterials.

简介：Carbonnanotubes(CNTs)canbefluidizedintheformoffluidlikeagglomeratesmadeofmanythree-dimensionalsub-agglomerates,havingamulti-stageagglomerate(MSA)structureandcontaininglargeamountsoftwistingCNTsofmicrometermagnitude.

简介：一系列碳nanotubes/TiO2nanotubes(CNTs/TNTs)合成光催化剂被CNT的加入成功地在HNO3洗准备过程。分别地，这些光催化剂被XRD，N2物理吸附，UVvis弥漫的反射光谱学，TEM和拉曼光谱学描绘，他们的photocatalytic活动被把methy1橘子(瞬间)用作模型混合物测试。另外，合并的CNT的数量的效果，锻烧温度和在合成光催化剂的photocatalytic活动的催化剂的数量系统地被调查。结果证明CNTs/TNTs合成展览高得多的photocatalytic活动比TNT或CNT的独自一个。

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简介：Inthisstudy,multiwalledcarbonnanotubes(MWCNTs)wereusedtoencapsulateamodelanticancerdrug,doxorubicin(Dox).Then,thedrug-loadedMWCNTs(Dox/MWCNTs)withanoptimizeddrugencapsulationpercentageweremixedwithpoly(lactide-co-glycolide)(PLGA)polymersolutionforsubsequentelectrospinningtoformdrug-loadedcompositenanofibrousmats.Thestructure,morphology,andmechanicalpropertiesoftheformedelectrospunDox/PLGA,MWCNTs/PLGA,andDox/MWCNTs/PLGAcompositenanofibrousmatswerecharacterizedusingscanningelectronmicroscopy(SEM),Fouriertransforminfraredspectroscopy,andtensiletesting.InvitroviabilityassayandSEMmorphologyobservationofmousefibroblastcellsculturedontotheMWCNTs/PLGAfibrousscaffoldsdemonstratethatthedevelopedMWCNTs/PLGAcompositenanofibersarecytocompatible.TheincorporationofDox-loadedMWCNTswithinthePLGAnanofibersisabletoimprovethemechanicaldurabilityandmaintainthethree-dimensionalstructureofthenanofibrousmats.Moreimportantly,ourresultsindicatethatthisdouble-containerdrugdeliverysystem(bothPLGApolymerandMWCNTsaredrugcarriers)isbeneficialtoavoidtheburstreleaseofthedrugandabletoreleasetheantitumordrugDoxinasustainedmannerfor42days.Thedevelopedcompositeelectrospunnanofibrousdrugdeliverysystemmaybeusedastherapeuticscaffoldmaterialsforpost-operativelocalchemotherapy.

简介：Surfaceeffectsonthepersistencelengthofquasi-one-dimensionalnanomaterialsareinvestigatedbyusingthetheoryofsurfaceelasticityandthecore–shellmodelofnanobeams.Asimpleandunifiedexpressionisprovidedtodeterminethepersistencelengthofnanowiresandnanotubeswithanyregularpolygonalcross-sections.Itisdemonstratedthatsurfaceeffectshaveadistinctinfluenceonthepersistencelengthwhenthecharacteristicsizesofmaterialsshrinktonanometers.Thisworkishelpfulnotonlyforunderstandingthesize-dependentbehaviorofnanomaterialsbutalsoforthedesignofdevicesbasedonnanotubesornanowires.

简介：磁铁矿(Fe3O4)nanotubes被减少综合赤铁矿准备(在5%H2+95%Ar空气的-Fe2O3)nanotubes，然后磁赤铁矿(-Fe2O3)nanotubes被重新氧化获得Fe3O4nanotubes。nanotube结构被不崩溃或在整个减少的高温度和重新氧化的过程的sintering。Fe3O4和-Fe2O3nanotubes的coercivities综合了与一样的阶段并且类似的尺寸比另外的nanostructures高两个都被发现分别地，是340.22Oe和342.23Oe。吸附的磷酸盐和nanotube结构为这高coercivity被认为负责。

简介：Bymeansoffirst-principlesdensityfunctionaltheory(DFT)calculationsandmoleculardynamics(MD)simulations,aseriesofcoronalmulti-walledsiliconnanotubes(MWSiNTs)withoutorwithhydrogenterminationsaresystematicallyidentified.Notably,coronalMWSiNTs,wheretheinteractionbetweenthewallsispreferablethroughcovalentbondsratherthanweakinteraction,showbetterstabilitythanCNT-likeSiNTs.Moreover,theyexhibitgoodelasticitywithsmallYoung’smodulus.Theinvestigationoftheelectronicstructuredemonstratesthattheypresentmetalliccharacteristics,whichisinstrikingcontrasttobulksilicon.Thus,theMWSiNTsmayfindimportantapplicationsinelectronicdevices.

简介：Usingfirst-principlescalculations,thecontactbetweenthescandium(Sc)andsemiconductingcarbonnanotube(CNT)isinvestigated.Thisisoneofthebestqualityofn-typecontacts.Twojunctionmodelswith(8,0)CNTonlow-indexScsurfacesareconstructedtoelucidatethestructuralandelectronicpropertiesofSc/CNTjunctions.AnalysesbasedondensityofstatesandchargedifferencerevealthatstrongchemicalbondsareformedbetweenScandCatomsduetohybridstatesofSc3dstateandC2πstate.WithrespecttoTi(0001)/CNTjunction,wefindthedipolelayerformedattheinterfaceofSc(0001)/CNTiscomparablewiththatofTi(0001)/CNTbutgivesanegativebarrierattheinterface.ThisindicatesthattheexcellentcontactpropertiesofScmetalelectrodearecausedbyitslowworkfunctionandexcellentbindingwithCNT.

简介：Carbonnanotubesusedforconstructingbiosensorwasdescribedforthefirsttime.Single-wallcarbonnanotubes(SWNTs)functionalizedwithcarboxylicacidgroupswereusedtoimmobilizeglucoseoxidaseformingaglucosebiosensor.Thebiosensorresponsecanbedeterminedbyamperometricmethodatalowappliedpotential(0.40V).

简介：包括的有效策略弄短，链扩展，积极的组介绍和同类的反应战术，被采用与纤维素醋酸盐(CA)修改多围的碳nanotubes(MWNT)。由利用2,4,6-trichloro-1,3,5-triazine，特殊，MWNT(MWNT-triazine)的反应中介被获得。MWNT-triazine的合适的溶解度帮助让同类的修正成为现实。在在MWNT-triazine和氢氧根的氯化物原子之间的那反应在CA组织的进一步验证的详细描述贡献了MWNT-CA的形成结合。新奇MWNT-CA由碳(76.3%)组成，氧(18.4%)和氮(5.3%)。与42.8wt%的一个依附nanotube的CA内容，MWNT-CA在DMSO，NMP，DMF和DMAc是容易地可溶的。CA-based修正线路的证实可能导致为特定的吸着和隔离瞄准的研究。

简介：1.0wt.%碳nanotube(CNT)增强了2024A1矩阵合成被冷均衡说的出版社和随后的热挤出技术制作。机械性质合成被张力的测试测量。同时，破裂表面用扫描电子显微镜学的地排放被检验。试验性的结果证明那CNT同类地被驱散在合成并且艾尔矩阵和CNT的接口结合很好。尽管张力的力量和幼仔是模量合成显著地被提高，当与矩阵相比材料在一样的过程下面制作了时，延伸不减少。为增长的原因可以是CNT，并且在艾尔矩阵衔接和CNT的拉外面角色的非凡的机械性质合成。

简介：Analyticalsolutionsfortheelasticpropertiesofavarietyofbinarynanotubeswitharbitrarychiralityareobtainedthroughthestudyofsystematicmolecularmechanics.Thismolecularmechanicsmodelisfirstextendedtochiralbinarynanotubesbyintroducinganadditionaloutof-planeinversiontermintotheso-calledstick-spiralmodel,whichresultsfromthepolarbondsandthebucklingofbinarygraphiticcrystals.Theclosed-formexpressionsforthelongitudinalandcircumferentialYoung’smodulusandPoisson’sratioofchiralbinarynanotubesarederivedasfunctionsofthetubediameter.Theobtainedinversionforceconstantsarenegativeforalltypesofbinarynanotubes,andthepredictedtubestiffnessislowerthanthatbytheformerstick-spiralmodelwithoutconsiderationoftheinversionterm,reflectingthesofteningeffectofthebucklingontheelasticpropertiesofbinarynanotubes.Theobtainedpropertiesareshowntobecomparabletoavailabledensityfunctionaltheorycalculatedresultsandtobechiralityandsizesensitive.ThedevelopedmodelandexplicitsolutionsprovideasystematicunderstandingofthemechanicalperformanceofbinarynanotubesconsistingofIII–VandII–VIgroupelements.

简介：Experimentally,theelectrondrageffectoncarbonnanotubesurfaceinflowingliquidswasinvestigated.Itwasfoundthatelectriccurrentcouldbegeneratedinmetalliccarbonnanotubesimmersedintheliquids.CarbonnanotubesweresynthesizedonSisubstratebyhotfilamentchemicalvapordeposition.Theexperimentalresultsshowedthattheflow-inducedcurrentonthesurfaceofcarbonnanotubefilmswascloselydependedontheflowrate,concentration,propertiesandtemperatureofliquids.Theflow-inducedcurrentwasincreasedwiththeincreasingofflowrate,concentrationandtemperatureofliquids.Theobtainedresultswerediscussedindetail.

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简介：我们学习分子的氧的绑定到一(5，0)单身者原文如此围了nanotube，借助于密度功能的计算。在SiCNT表面上的地点的硅和碳原子的等边六角形的中心是为O2分子的最稳定的吸附地点，与一个有约束力的精力?38.22eV和1.698的平均SiO有约束力的距离?。我们也与abinitio测试了O2adsorbedSiCNT/CNT的稳定性在房间温度被执行了的分子的动力学模拟。而且，单个围的碳nanotubes上的O2的吸附被调查了。我们的第一原则的计算预言硅碳化物nanotubes的O2吸附的能力比碳nanotubes的好一些。这可能为煤气的察觉和精力存储有潜力。

简介：碳nanotubes(CNT)被综合由电加热催化化学药品使用乙炔的免职方法(CCVD)(C2H2)同样碳来源和氮(N2)被electroplating作为搬运人气体，和镍催化剂装载。电的加热方法，作为一个新方法，由使用它的传导性直接触电碳纤维。形态学和结构CNT被描绘由SEM和TEM，和碳的表面性质在CNT的生长前后的纤维被拉曼光谱学描绘。试验性的结果表演电加热方法是一个新方法生产CNT，和罐头成长在一短时间，结晶化度和表面的很多CNT平均雏晶碳的尺寸在CNT的生长以后增加的纤维上它。另外，当，装载催化剂的electroplating能也被使用装载方法的理想，能控制数字，由控制plating的镍粒子的形状，和分发预定。

简介：Thisworkreportsafeasiblesynthesisofhighly-dispersedPtandPt-Fenanoparticlessupportedonmultiwallcarbonnanotubes(MWCNTs)withoutFeandmultiwallcarbonnanotubeswithiron(MWCNTs-Fe)whichappliedaselectrocatalystsformethanolelectrooxidation.APtcoordinationcomplexsaltwassynthesizedinanaqueoussolutionanditwasusedasprecursortopreparePt/MWCNTs,Pt/MWCNTs-Fe,andPt-Fe/MWCNTsusingFeCl24H2OasironsourcewhichwerenamedS1,S2andS3,respectively.Thecoordinationcomplexofplatinum(TOA)2PtCl6wasobtainedbythechemicalreactionbetween(NH4)2PtCl6withtetraoctylammoniumbromide(TOAB)anditwascharacterizedbyFT-IRandTGA.ThematerialswerecharacterizedbyRamanspectroscopy,SEM,EDS,XRD,TEMandTGA.TheelectrocatalyticactivityofPt-basedsupportedonMWCNTsinthemethanoloxidationwasinvestigatedbycyclicvoltammetry(CV)andchronoamperometry(CA).Pt-Fe/MWCNTselectrocatalystsshowedthehighestelectrocatalyticactivityandstabilityamongthetestedelectrocatalystsduetothattheadditionof'Fe'promotestheOHspeciesadsorptionontheelectrocatalystsurfaceatlowpotentials,thus,enhancingtheactivitytowardthemethanoloxidationreaction(MOR).

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