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IntroductionTherecentdiscoveryofnovelextralargemesoporousMCM-41molecularsieves[1,2]filsthegapbetweenmicroporousandmacroporous... 相似文献
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Preparation and Characterization of Macroporous Resin Immobilized Pd-Cu Bimetallic Cluster Catalysts
Wu Shihua Zhu Changying Huang Weiqing Zhao Weijun Zhang Shuji 《Chinese Journal of Reactive Polymers》1994,(Z1)
PreparationandCharacterizationofMacroporousResinImmobilizedPd-CuBimetallicClusterCatalystsWuShihua;ZhuChangying;HuangWeiqing,... 相似文献
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《高等学校化学研究》1997,(3)
PreparationofYSZMicroporousMembranesonPorousα-AluminawithMetalchloridesasPrecursorPENGDing-kun,LIUTao,YANGPing-hua,XIAChang-r... 相似文献
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TheSynthesesof1┐Dimensional(1┐D)Chain,2┐DLayered,and3┐DMicroporousAlumino┐phosphateswithOccludedAmineorAmmoniumTemplatesfromA... 相似文献
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IntroductionTriazenereagentsareinterestingbecauseoftheirstrongcomplexationabilitieswithtransitionmetals .1 6However,littledecolorationofthemcatalyzedbysilverionhasbeenstudiedinanalyticalchemistry .Manyanal ysistshavereportedtheuseofcatalyticreactionsfort… 相似文献
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IntroductionThechemicalpropertiesofrare earthelementsareverysimilar ,consequently ,itisdifficulttodetectanin dividualionintheirmixturesowingtotheinterferenceofotherrare earthelements .Duetoahighersensitivityandselectivity ,fluorimetricmethodsofrare earthel… 相似文献
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Recently,muchattentionhasbeenpaidto4,9dihydroxy3,10perylenequinonoidphotosensitizers(PQP)[1].Theypossesslotsofexcellentproperties,suchaseasilybeingpurified,largeconcentrationtolerance,highquantumyieldof1O2,highthermalstability,etc.Inaddition,theyshowtheabilityo… 相似文献
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ExtensivestudiesofradiationorchemicalinjuryofbiologicaltargetmoleculesdemonstratethatOHradical,themostreactiveoxygenspecies,reactswithbiologicalmacromolecules,suchasDNA,inducingbasealterations,basicsites,andstrandbreaks,resultedinvariouspathogenesis,such… 相似文献
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Atomic force microscopy observation of the condensates of the spermidine-DNA complexes 总被引:1,自引:0,他引:1
Beingthemostessentialchemicalmaterialinlivingorganisms,theDNAinviralcapsids,bacterialnucleoids,andchromosomesofhigherorganismsonlyoccupies104—106timeslessvolumethanitdoeswhenexistsasextendeddoublehelixstructures.Tounderstandhowthegeneticinformationstoredi… 相似文献
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Spectroscopic and Spectroelectrochemical Studies of Interaction of Nile Blue with DNA 总被引:4,自引:0,他引:4
IntroductionItisgenerallyacceptedtodaythattherearethreekindsofbindingmodelsforsmallmoleculestoDNA ,whichrefertointercalativebinding ,groovebindingandelectrostaticbinding .Inthesebindingmodels ,theinter calativebindingisthoughtastobethestrongestbindingbec… 相似文献
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Synthesis and Novel Properties of Alkyl Thiophosphoramidate Derivatives of Nucleosides 总被引:1,自引:0,他引:1
Intruduction Thedevelopmentofnucleosideprodrugscapableofundergoingintracellularactivationtothecorrespondingnucleotidehasbecomeanareaofintenseinterest.1Sever alpurineandpyrimidinebasesandnucleosideanalogsareimportantweaponsintheanticancerandantiviralc… 相似文献
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Organicperoxidesaretheintermediateproductsintheoxidationofhydrocarboncompounds(HC).MethaneisthemostabundantHCintheatmosphere,anditsconcentrationisstillincreasingattherateof0.8%annually.Hence,theoxidationofCH4maybeanimportantsourceoforganicperoxides.However… 相似文献
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Electrochemical Polymerization of Brilliant Cresyl Blue and Properties of the Polymer 总被引:1,自引:0,他引:1
IntroductionThediscoveryoftheconductivityofpolyacetylenehasopenedanewresearchfieldforthesynthesisofnewmaterials .Conductingpolymerscanbesynthesizedbythechemicalpolymerizationandelectrochemicalpolymeriza tion .1 7Theelectrochemicalpolymerizationprovidesas… 相似文献
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IntroductionBiotransformationsofnitriles ,eitherthroughanitri lase catalyzeddirectconversiontothecarboxylicacidsorviaanitrilehydratase catalyzedhydrationtotheamidesfollowedbythehydrolysistotheacidsmediatedbyanamidase ,haveprovidedausefulandenvironmental… 相似文献
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StructureofPotassiumofUndecatungstomononickelosilicateQuLun-Yu;MaRong-Hua;ChenYa-Guang(DepartmentofChemistry,NortheastNormalU... 相似文献
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Study and Application of Polarographic Catalytic Wave of Chlordiazepoxide in the Presence of Persulfate 总被引:2,自引:0,他引:2
IntroductionChlordiazepoxide (7 chloro 2 methylamino 5 phenyl 3H 1,4 benzodiazepine 4 oxide)showingpowerfulan tianxietyeffecthasbeenwidelyusedasapsychotherapeu ticdrug .Consequently ,theneedaroseforsensitiveandrapiddeterminationofchlordiazepoxideinblood ,urinean… 相似文献
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IntroductionMaterialsbasedoncobaltoxideshaveattractedagreatinterestinviewoftheirpotentialapplicationsinscientificandtechnologicalfields .1Theyhavebeenusedfortheproductionofsolid statesensors ,2 heterogeneouscatalysts ,3electrochromicdevices (ECDs) 4andasinte… 相似文献
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Inrecentyears,thestudyontheconversionandapplicationofsolarenergyhasbeenoneofthemostactiveaspectsinthefieldsofnewenergeticsourcedevelopment,thefabricationofnovelsolarenergycellsbecomesthegoalofpeople’sefforts.Inorganicsemiconductivesolarenergycellshave… 相似文献
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IntroductionNucleosidesandtheiranaloguesaspotentialanti cancerandantivirusagentshavebeenstudiedextensively .Mostofthecurrentlylicensedantiviraldrugsandmanyofthedrugsusedinanticancerchemotherapyarenucleosideanalogues .1Forthemajorityoftheseanaloguesshown… 相似文献