一些经典的纳米图片包括一些动画.docx
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一些经典的纳米图片包括一些动画.docx
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一些经典的纳米图片包括一些动画
转一些经典的纳米图片(包括一些动画)
纳米尺度的图片概念
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Dative(dipolar)bondsareapotentiallyvaluableformofnoncovalentinteractionforuseindiamondoidandmacromolecularnanostructures.Theseinteractionsrequirealonepairdonor,suchasthelonepairofnitrogen,andanacceptor,suchastheemptysp2orbitalorboron.BoronandnitrogenarebothgoodstructuralreplacementsfortheC-Hfragmentsfoundinhydrocarbons(nitrogenbecauseitisisoelectronicwiththeC-Hunit,boronbecauseitcanaccommodatethreecovalentbondstoleavethelastorbitalempty).Inthisdesign,carbonnanotubesarefunctionalizedwithadamantane-baseddativehingesthatlockeachfragmentintoplacetoformtheextendednetwork.(grey=carbon,white=hydrogen,blue=nitrogen,green=boron;left:
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Inthisdesign,tworigiddiamondoidringsarefusedataquasi-tetrahedraljunctionandsized,throughtheadditionorsubtractionofrepeatsubunitsineachring,toaccommodatetwocarbonnanotubesofdifferentdiameters.ThecrimpingofthenanotubesisaresultofvanderWaalspackingoftherings,afeaturethatcanbeenhancedorremovedbyadjustingtheringsize.(grey=carbon,white=hydrogen,blue=nitrogen,red=oxygen)Bh_65qH_QO.'阿果资源网()版权所有'
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Inthisdesign,twodiamondoidringsreplacesmallsegmentsofacarbonnanotube,providingalockforathird,largerring.Thelargerringincludesastitch-workofoxygenstocreateanelectron-richinteriorwhoseeffectivecircularvanderWaalspackingjusttouchesthatofthenanotubeframework.rbrh;\ M.'阿果资源网()版权所有' `7R-2w .'阿果资源网()版权所有' 9^@_)RED_.'阿果资源网()版权所有' u_c/W/cu,.'阿果资源网()版权所有' Rigidrod-basednanomechanicalgearassemblyw8a 49Fv.'阿果资源网()版权所有' __HEw_&' .'阿果资源网()版权所有' Here,afive-foldrotationaxisinasinglerigidrodiscoupledtofourringscomposedof15subunitseach.Apagodanoidjunctionisincludedalongthisrigidrodtoraisethefivesectionsoftheassemblytocreateanelevatedgearingsystem.TheimageatleftisavanderWaalsrepresentation.Atright,onlytheoxygenandnitrogenatomsareshown(asspheres)tohighlighttherodinterior.(grey=carbon,white=hydrogen,blue=nitrogen,red=oxygen)V_)P8w#,__.'阿果资源网()版权所有' AllimagesaretheresultofmolecularmechanicsstructurecalculationsusingeitherTinker(MM2parameters)orNAMD(CHARMM).ImagesweremadewithVMD.VMDandNAMDaredevelopedwithNIHsupportbytheTheoreticalandComputationalBiophysicsgroupattheBeckmanInstitute,UniversityofIllinoisatUrbana-Champaign.TinkerisaproductofthePonderLabintheDepartmentofBiochemistryandMolecularBiophysicsattheWashingtonUniversitySchoolofMedicine.E.ZelmanandAppleComputerarethankedfortheirgenerousdonationofresources._bAwK_mk9C.'阿果资源网()版权所有' cQm4_q1__9.'阿果资源网()版权所有' lc3Gu78A/.'阿果资源网()版权所有' ]s_J_C%_/.'阿果资源网()版权所有' 纳米团簇的制备 7*"_Jx}_eM.'阿果资源网()版权所有' pdvnp__zj_.'阿果资源网()版权所有' z+-__o}_i.'阿果资源网()版权所有' _: ]_+6_l_.'阿果资源网()版权所有' Core/shellnanoparticlesxiD_gQTDz_.'阿果资源网()版权所有' W_"GW[~h.'阿果资源网()版权所有' Gx 6%Z$_2n.'阿果资源网()版权所有' QXN_? 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