简介：Thesolidaddofthefirstprotonatedzincoborophosphate,(H3O)Zn(H2O)2BP2O8·H2O(1),wassoventothermallysyn-thesizedbythereactionofZn(NO3)2·6H2OandH3BO3withH3PO4inamixedsolvent,andstructurallycharacterizedbysingle-ystalX-raydiffractionanalysis.ItcrystallizesinthehexagonalP6122,a=0.9604(4)nm,c=1.5297(6)nm,V=1.2218(8)nm^3,Dc=2.921g/cm^3,Z=6,F(000)=1080,μ=3.495mm^-1.Thestmchwefeaturesthatthetetrahedra-te-trahedrahdlcesinterconnectedbyoctahedraandstronghydro-gembondinteractionsformathree-dimensionalframework.Theprotonatedwatermoleculesarelocatedatuniquepositions.othercharacterizationsbyIRandthermalanalysisarealsode-scribed.
简介：Yb3+complexeswithtwonitrilotriaceticacidmoleculeswerepreparedandtheircompositionsweredeterminedasK3[Yb(nta)2(H2O)]*5H2OandNa3[Yb(nta)2]*6H2Obyelementalanalyses.Theirstructureswerecharacterizedbysingle-crystalX-raydiffractionanalyses.IncomplexK3[Yb(nta)2(H2O)]*5H2O,theYbN2O7partformsanine-coordinatemonocappedsquareantiprismaticstructure.IncomplexNa3[Yb(nta)2]*6H2O,theYbN2O6partformsaneight-coordinatesquareantiprismaticstructure.Itcanbeseenthattheoutercations(K+andNa+)greatlyaffectthecoordinationnumberandcoordinatestructurefromtheseresults.
简介：对化合物[Na_2（H_2O）_（10）][Cu_4（H_2O）_（12）（H_2W_（12）O_（42））]·15H_2O（简称Na_2Cu_4W_（12））进行了体外抗肿瘤活性研究.应用四甲基偶氮唑盐（3-[4,5-dimethylthiazo-2-y]-2,5-diphenyltetrazoliumbromide,MTT）比色法分析Na_2Cu_4W_（12）对人肝癌细胞（HepG2）、人神经母细胞瘤细胞（SHY5Y）增殖抑制活性.采用光学显微镜观察肿瘤细胞的凋亡形态变化,用流式细胞术分析细胞周期和细胞凋亡,计算各期细胞比例及细胞凋亡率.结果表明,Na_2Cu_4W_（12）对HepG2和SHY5Y2种肿瘤细胞增殖半数抑制浓度IC_（50）值分别为5.3和10.2μmol·L~（-1）,且呈剂量依赖性.光学显微镜下处理组细胞出现皱缩、变圆、缩小等形态变化,不同浓度Na_2Cu_4W_（12）处理12h早期凋亡细胞所占的百分比显著增加且呈剂量依赖性.综上所述,Na_2Cu_4W_（12）能够抑制胞瘤细胞增殖,诱导细胞凋亡.
简介：Thecrystalandmolecularstructuresof[(C3H7O)2PS2]2(CCDCNo.217201)weredeterminedbymeansofX-raycrystallography.ItcrystallizedinatriclinicsystemwithspacegroupP1^-andlatticeparametersa=0.82794(3)nm,b=0.84764(2)nm,c=0.85034(3)nm,α=97.78(3)°β=110.77(3)°,γ=94.95(3)°,V=0.54701(9)nm^3,Z=1.Inthismolecule,thetwodiisopropyldithiophosphategroups,[(C3H7O)2PS2]2,whichareparalleltoeachother,arelinkedbyanS--Sbondandthereexistinversioncentersinthemolecule,Inthestructure,theP=Sbondsinthetwodithiophosphateunitsaretrans-orientedtoeachother.
简介：HighactiveandstablegoldcatalystssupportedoncrystallineFe2O3andCeO2/Fe2O3werepreparedviathedeposition-precipitationmethod.ThecatalystwithaAuloadof1.0%calcinedat180°CshowedaCOconversionof100%at-8.9°C,whileAu/CeO2/Fe2O3convertedCOcompletelyat-16.1°C.Evenhavingbeencalcinedat500°C,Au/Fe2O3stillexhibitedsignificantcatalyticactivity,achievingfullconversionofCOat61.6°C.ThecatalystwithalowAuloadof0.5%couldconvertCOcompletelyatroomtemperatureandkepttheactivityunchangedforatleast150h.N2adsorption-desorptionmeasurementsshowthatthecrystallinesupportspossessedahighspecificsurfaceareaofabout200m2/g.CharacterizationsofX-raydiffractionandtransmissionelectronmicroscopyindicatethatgoldspecieswerehighlydispersedasnanoorsub-nanoparticlesonthesupports.Evenafterthecatalystwascalcinedat500°C,theAuparticlesremainedinanano-sizeofabout6―10nm.X-rayphotoelectronspectrarevealthatthesupportedAuexistedinmetallicstateAu0.ThemodificationofAu/Fe2O3byCeO2provedtobebeneficialtotheinhibitionofcrystallizationofFe2O3andthestabilizationofgoldparticlesindispersedstate,consequentlypromotingcatalyticactivity.
简介：Thecopper(Ⅱ）complex[Cu3(nta)2(azpy)2(H2O2)]·6H2O(nta=nitrilotriacetate,azpy=4,4′-azobispyridine)hasbeensynthesizedandcharacterized.TheX-rayanalysisrevealsthattherearetwokindsofcopper(Ⅱ）coordinationenvironments.Cu(1)hasadistortedsquareplanesymmetryandCu(2)hasadistortedoctahedralsymmetry.Cu(1)islinkedtoCu(2)throughntaandboundtoCu(1C)byazpy,andCu(2)islinkedtoCu(2A)throughazpy,whichextendstotwo-dimensionalnetworkwithlargerhombus1.2nm×1.7nm.
简介：AsimplespectrophotometricassayofH2O2andglucoseusingAgnanoparticleshasbeencarriedout.RelyingonthesynergisticeffectofH2O2reductionandultraviolet(UV)irradiation,Agnanoparticleswithenhancedabsorptionsignalsweresynthesized.H2O2servedasareducingagentintheAgnanoparticlesformationinwhichAg+wasreducedtoAg0byO2àgeneratedviathedecompositionofH2O2inalkalinemedia.Ontheotherhand,photoreductionofAg+toAg0underUVirradiationsalsocontributedtothenanoparticlesformation.ThesynthesizednanoparticleswerecharacterizedbyTEM,XPS,andXRD.TheproposedmethodcoulddetermineH2O2withconcentrationsrangingfrom5.010à7to6.010à5mol/L.Thedetectionlimitwasestimatedtobe2.010à7mol/L.SincetheconversionofglucosetogluconicacidcatalyzedbyglucoseoxidasewascompaniedwiththeformationofH2O2,thesensingprotocolhasbeensuccessfullyutilizedforthedeterminationofglucoseinhumanbloodsamples.Theresultswereingoodagreementwiththosedeterminedbyalocalhospital.Thiscolorimetricsensorthusholdsgreatpromisesinclinicalapplications.
简介：Twooxo-vanadium(IV)complexes,[VO(C2O4)(2,2′-bipy)(H2O)]·C2H5OH(1)andVO(C2O4)(phen)(H2O)(2),where2,2′-bipy=2,2′-bipyridyl,phen=1,10-phenanthroline,weresynthesizedaspotentialfunctionalmodelsofvanadiumhaloperoxidases(VHPOs)inmixedsolventofethanolandwateratroomtemperature.Thecomplexeswerecharacterizedbyelementalanalysis,infrared(IR),UV-VisandX-raycrystallography.Structuralanalysesshowedthatvanadiumatomwascoordinatedbyaterminaloxygen,oneoxygenatomfromcoordinatedwater,twooxygenatomsfromthecarboxylategroupofoxalicacid,andtwonitrogenatoms(N1andN2)from2,2′-bipy/phen.Centralvanadiumatomsincomplexes1and2werebothinadistorted-octahedralenvironment,andsomeintermolecularhydrogenbondinglinkageswerealsoobservedineachcomplex.BrominationreactionactivityofthetwocomplexeswasevaluatedwithphenolredasorganicsubstrateinthepresenceofH2O2,Br-andphosphatebuffer,indicatingthattheycanbeconsideredasapotentialfunctionalmodelofVHPO.Inaddition,thermalanalysiswasalsoperformedanddiscussedindetail.
简介：Inthisletter,Fe2O3UFP（UltrafineParticles）hydrosolandorganosolwithhighthirdorderopticalnonlinearsusceptibility（3）havebeenreportedforthefirsttime.ThesurfacialmodificationofFe2O3UFPwithdodecylbenzenesulfonateions（DBS）canenhancethenonlinearopticalresponsethroughinterfacialconfinementofelectronmotion.Theinvolvedmechanismisdiscussed.
简介：The2-Dheteronuclearcoordinationpolymer{[Ag4Fe2(SCN)12(H2O)2][(inaH)2(H2O)2]}n(1)(inaHistheabbreviationofprotonatedisonicotinicacid)withchemicalformulaC24H20Ag4Fe2N14O8S12hasbeensynthesizedandcharacterizedbysinglecrystalX-raydiffraction,elementalanalysisandIRspectroscopy.TheAgES2ringsconnecttwokindsofoctahedralgeometriesofFe(Ⅲ)ions,[Fe(NCS)6]^3-and[Fe(H2O)E(NCS)4]^-unitswithbridgingthiocyanateionsleadingto2-D[Ag4Fe2(SCN)12(H2O)2]^2-anionframework.Fourkindsofringsincludingtheunprecedentedthirty-twomemberedAg4Fe4(SCN)8ringssharecomersoredgesinthe2-Danionlayerstructure.AllthiocyanatescoordinatetothemetalionsaccordingtotheHSABprinciplewithNatomsbindingtotheFe(Ⅲ)ionsandwithSatomsbindingtoAg(I)ions.Pronoatedinacationsstabilizethelayerstructureascounterionsandhydrogenbondswereformedwithinthepronoatedinacationsdimerandbetweenthedimersandthelatticewaters.Crystaldata:Mr=1560.44,triclinic,P-↑1,a=0.76082(1)nm,b=0.9234nm,c=1.85611(4)nm,α=103.0170(10)°,β=93.7780(10)°,γ=97.4080(10)°,V=1.25385(3)nm^3,Z=1,μ(MoKα)=2.650mm^-1,Dc=2.067g·cm^-3,F(000)=758,R1=0.0412,wR2=0.1003.
简介：DBUH-Br3catalyzedselectiveconversionofsulfidestosulfoxidesinthepresenceofH2O2asoxidizingagentisdescribed.Thereactionwasperformedselectivelyatroomtemperatureandrelativelyshortreactiontimes.
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![Syntheses and Structural Researches of Yb^<b style='color:red'>3</b>＋ Complexes with Nitrilotriacetic Acids—Nine—coordinate K<b style='color:red'>3</b>[Yb（nta）<b style='color:red'>2</b>（H<b style='color:red'>2</b><b style='color:red'>O</b>）]·5H<b style='color:red'>2</b><b style='color:red'>O</b> and Eight—coordinate <b style='color:red'>Na</b><b style='color:red'>3</b>[Yb（nta）<b style='color:red'>2</b>]·6H<b style='color:red'>2</b><b style='color:red'>O</b> complexes](/image/thesis2 "Syntheses and Structural Researches of Yb^<b style='color:red'>3</b>＋ Complexes with Nitrilotriacetic Acids—Nine—coordinate K<b style='color:red'>3</b>[Yb（nta）<b style='color:red'>2</b>（H<b style='color:red'>2</b><b style='color:red'>O</b>）]·5H<b style='color:red'>2</b><b style='color:red'>O</b> and Eight—coordinate <b style='color:red'>Na</b><b style='color:red'>3</b>[Yb（nta）<b style='color:red'>2</b>]·6H<b style='color:red'>2</b><b style='color:red'>O</b> complexes")
![Imidazole Coordinated Sandwich-type Antimony Polyoxotungstates <b style='color:red'>Na</b>9[ {<b style='color:red'>Na</b>（H=<b style='color:red'>O</b><b style='color:red'>2</b>}<b style='color:red'>3</b>{M（C<b style='color:red'>3</b>H4N<b style='color:red'>2</b>）}<b style='color:red'>3</b>（ Sb W9<b style='color:red'>O</b>33）<b style='color:red'>2</b>]·xH=<b style='color:red'>O</b>（M=Ni^Ⅱ, Co^Ⅱ, Zn^Ⅱ, Mn^Ⅱ）](/image/thesis3 "Imidazole Coordinated Sandwich-type Antimony Polyoxotungstates <b style='color:red'>Na</b>9[ {<b style='color:red'>Na</b>（H=<b style='color:red'>O</b><b style='color:red'>2</b>}<b style='color:red'>3</b>{M（C<b style='color:red'>3</b>H4N<b style='color:red'>2</b>）}<b style='color:red'>3</b>（ Sb W9<b style='color:red'>O</b>33）<b style='color:red'>2</b>]·xH=<b style='color:red'>O</b>（M=Ni^Ⅱ, Co^Ⅱ, Zn^Ⅱ, Mn^Ⅱ）")
![Syntheses, Crystal Structures and Characterization of Two Zeotype Crystals of K4[Cr30（H<b style='color:red'>2</b><b style='color:red'>O</b>） <b style='color:red'>3</b>（OOCH） 6] <b style='color:red'>2</b>[ P<b style='color:red'>2</b>W18<b style='color:red'>O</b>62]· 9.5H<b style='color:red'>2</b> <b style='color:red'>O</b> and K4[ Cr<b style='color:red'>3</b><b style='color:red'>O</b>（ H<b style='color:red'>2</b><b style='color:red'>O</b>）<b style='color:red'>3</b>（ OOCH）6 ]<b style='color:red'>2</b>[ H<b style='color:red'>3</b> P<b style='color:red'>2</b> W17Co（H<b style='color:red'>2</b><b style='color:red'>O</b>） <b style='color:red'>O</b>61]· 20H<b style='color:red'>2</b><b style='color:red'>O</b>](/image/thesis4 "Syntheses, Crystal Structures and Characterization of Two Zeotype Crystals of K4[Cr30（H<b style='color:red'>2</b><b style='color:red'>O</b>） <b style='color:red'>3</b>（OOCH） 6] <b style='color:red'>2</b>[ P<b style='color:red'>2</b>W18<b style='color:red'>O</b>62]· 9.5H<b style='color:red'>2</b> <b style='color:red'>O</b> and K4[ Cr<b style='color:red'>3</b><b style='color:red'>O</b>（ H<b style='color:red'>2</b><b style='color:red'>O</b>）<b style='color:red'>3</b>（ OOCH）6 ]<b style='color:red'>2</b>[ H<b style='color:red'>3</b> P<b style='color:red'>2</b> W17Co（H<b style='color:red'>2</b><b style='color:red'>O</b>） <b style='color:red'>O</b>61]· 20H<b style='color:red'>2</b><b style='color:red'>O</b>")
![新型仲钨酸盐-<b style='color:red'>B</b>化合物[<b style='color:red'>Na</b>_<b style='color:red'>2</b>（H_<b style='color:red'>2</b><b style='color:red'>O</b>）_（10）][Cu_4（H_<b style='color:red'>2</b><b style='color:red'>O</b>）_（12）（H_<b style='color:red'>2</b>W_（12）<b style='color:red'>O</b>_（42））]·15H_<b style='color:red'>2</b><b style='color:red'>O</b>体外抗肿瘤活性研究](/image/thesis5 "新型仲钨酸盐-<b style='color:red'>B</b>化合物[<b style='color:red'>Na</b>_<b style='color:red'>2</b>（H_<b style='color:red'>2</b><b style='color:red'>O</b>）_（10）][Cu_4（H_<b style='color:red'>2</b><b style='color:red'>O</b>）_（12）（H_<b style='color:red'>2</b>W_（12）<b style='color:red'>O</b>_（42））]·15H_<b style='color:red'>2</b><b style='color:red'>O</b>体外抗肿瘤活性研究")
![Crystal Structure of Bis （0, <b style='color:red'>O</b>＇-diisopropyl dithiophosphate） ： [（C<b style='color:red'>3</b>H7<b style='color:red'>O</b>）<b style='color:red'>2</b>PS<b style='color:red'>2</b>]<b style='color:red'>2</b>](/image/thesis6 "Crystal Structure of Bis （0, <b style='color:red'>O</b>＇-diisopropyl dithiophosphate） ： [（C<b style='color:red'>3</b>H7<b style='color:red'>O</b>）<b style='color:red'>2</b>PS<b style='color:red'>2</b>]<b style='color:red'>2</b>")
![Crystal Structure and Bioactivity of Complex [Gd（C10H9N<b style='color:red'>2</b><b style='color:red'>O</b>4）（C10H8N<b style='color:red'>2</b><b style='color:red'>O</b>4）（H<b style='color:red'>2</b><b style='color:red'>O</b>）<b style='color:red'>3</b>]<b style='color:red'>2</b>·phen·4H<b style='color:red'>2</b><b style='color:red'>O</b>](/image/thesis7 "Crystal Structure and Bioactivity of Complex [Gd（C10H9N<b style='color:red'>2</b><b style='color:red'>O</b>4）（C10H8N<b style='color:red'>2</b><b style='color:red'>O</b>4）（H<b style='color:red'>2</b><b style='color:red'>O</b>）<b style='color:red'>3</b>]<b style='color:red'>2</b>·phen·4H<b style='color:red'>2</b><b style='color:red'>O</b>")
![Synthesis,Structure and Characterization of Two—dimensional Network Copper Complex [Cu<b style='color:red'>3</b>（nta）<b style='color:red'>2</b>（azpy）<b style='color:red'>2</b>（H<b style='color:red'>2</b><b style='color:red'>O</b>）<b style='color:red'>2</b>]·6H<b style='color:red'>2</b><b style='color:red'>O</b>](/image/thesis9 "Synthesis,Structure and Characterization of Two—dimensional Network Copper Complex [Cu<b style='color:red'>3</b>（nta）<b style='color:red'>2</b>（azpy）<b style='color:red'>2</b>（H<b style='color:red'>2</b><b style='color:red'>O</b>）<b style='color:red'>2</b>]·6H<b style='color:red'>2</b><b style='color:red'>O</b>")
![[Mn<b style='color:red'>3</b>Ⅱ(CH<b style='color:red'>3</b>COO)6(H<b style='color:red'>2</b><b style='color:red'>O</b>)4·(H<b style='color:red'>2</b><b style='color:red'>O</b>)<b style='color:red'>2</b>]n的合成、结构与磁性研究](/image/thesis11 "[Mn<b style='color:red'>3</b>Ⅱ(CH<b style='color:red'>3</b>COO)6(H<b style='color:red'>2</b><b style='color:red'>O</b>)4·(H<b style='color:red'>2</b><b style='color:red'>O</b>)<b style='color:red'>2</b>]n的合成、结构与磁性研究")
![Mo-Fe-S原子簇化合物[（MoS4）<b style='color:red'>2</b>FeL]<b style='color:red'>3</b>-（L:<b style='color:red'>O</b><b style='color:red'>2</b>CH<b style='color:red'>3</b>CN,<b style='color:red'>O</b><b style='color:red'>2</b>,<b style='color:red'>O</b>）的氧化还原活性](/image/thesis12 "Mo-Fe-S原子簇化合物[（MoS4）<b style='color:red'>2</b>FeL]<b style='color:red'>3</b>-（L:<b style='color:red'>O</b><b style='color:red'>2</b>CH<b style='color:red'>3</b>CN,<b style='color:red'>O</b><b style='color:red'>2</b>,<b style='color:red'>O</b>）的氧化还原活性")
![Vanadium Haloperoxidases Model Compounds： Synthesis, Structural Characterization and Mimic Catalytic Bromination Activity of [VO（C_<b style='color:red'>2</b><b style='color:red'>O</b>_4）（<b style='color:red'>2</b>,<b style='color:red'>2</b>′-bipy）（H_<b style='color:red'>2</b><b style='color:red'>O</b>）]·C_<b style='color:red'>2</b>H_5OH and VO（C_<b style='color:red'>2</b><b style='color:red'>O</b>_4）（phen）（H_<b style='color:red'>2</b><b style='color:red'>O</b>）](/image/thesis13 "Vanadium Haloperoxidases Model Compounds： Synthesis, Structural Characterization and Mimic Catalytic Bromination Activity of [VO（C_<b style='color:red'>2</b><b style='color:red'>O</b>_4）（<b style='color:red'>2</b>,<b style='color:red'>2</b>′-bipy）（H_<b style='color:red'>2</b><b style='color:red'>O</b>）]·C_<b style='color:red'>2</b>H_5OH and VO（C_<b style='color:red'>2</b><b style='color:red'>O</b>_4）（phen）（H_<b style='color:red'>2</b><b style='color:red'>O</b>）")
![氨基酸功能化多钼酸盐[（Gly）<b style='color:red'>2</b>（H<b style='color:red'>2</b><b style='color:red'>O</b>）<b style='color:red'>2</b>Cu]K<b style='color:red'>3</b>[Al（OH）6Mo6<b style='color:red'>O</b>18]·7H<b style='color:red'>2</b><b style='color:red'>O</b>的合成及表征](/image/thesis16 "氨基酸功能化多钼酸盐[（Gly）<b style='color:red'>2</b>（H<b style='color:red'>2</b><b style='color:red'>O</b>）<b style='color:red'>2</b>Cu]K<b style='color:red'>3</b>[Al（OH）6Mo6<b style='color:red'>O</b>18]·7H<b style='color:red'>2</b><b style='color:red'>O</b>的合成及表征")
![Synthesis and Crystal Structure of a Two-dimensional Silver（Ⅰ）-Iron（Ⅲ） Heteronuclear Coordination Polymer： {[Ag4Fe<b style='color:red'>2</b>（SCN）12（H<b style='color:red'>2</b><b style='color:red'>O</b>）<b style='color:red'>2</b>] [（inaH）<b style='color:red'>2</b>（H<b style='color:red'>2</b><b style='color:red'>O</b>）<b style='color:red'>2</b>]}n](/image/thesis17 "Synthesis and Crystal Structure of a Two-dimensional Silver（Ⅰ）-Iron（Ⅲ） Heteronuclear Coordination Polymer： {[Ag4Fe<b style='color:red'>2</b>（SCN）12（H<b style='color:red'>2</b><b style='color:red'>O</b>）<b style='color:red'>2</b>] [（inaH）<b style='color:red'>2</b>（H<b style='color:red'>2</b><b style='color:red'>O</b>）<b style='color:red'>2</b>]}n")
![LDH-[PW7Mo<b style='color:red'>3</b>Cu<b style='color:red'>2</b><b style='color:red'>O</b>38（H<b style='color:red'>2</b><b style='color:red'>O</b>）<b style='color:red'>2</b>]（M=Fe<b style='color:red'>2</b>＋，Co<b style='color:red'>2</b>＋，Cu<b style='color:red'>2</b>＋，Ni<b style='color:red'>2</b>＋和Mn<b style='color:red'>2</b>＋）层状化合物的合成、表征及催化活性](/image/thesis18 "LDH-[PW7Mo<b style='color:red'>3</b>Cu<b style='color:red'>2</b><b style='color:red'>O</b>38（H<b style='color:red'>2</b><b style='color:red'>O</b>）<b style='color:red'>2</b>]（M=Fe<b style='color:red'>2</b>＋，Co<b style='color:red'>2</b>＋，Cu<b style='color:red'>2</b>＋，Ni<b style='color:red'>2</b>＋和Mn<b style='color:red'>2</b>＋）层状化合物的合成、表征及催化活性")
