29351.幾種含磷三足體衍生物稀土功能配合物的合成及性質(zhì)研究

1、獨(dú)創(chuàng)性聲明本人聲明所呈交的論文是我個(gè)人在導(dǎo)師指導(dǎo)下進(jìn)行的研究工作及取得的研究成果。盡我所知，除了文中特別加以標(biāo)注和致謝的地方外，論文中不包含其他人已經(jīng)發(fā)表或撰寫過(guò)的研究成果，也不包含為獲得寧夏大學(xué)或其它教育機(jī)構(gòu)的學(xué)位或證書而使用過(guò)的材料。與我一同工作的同志對(duì)本研究所做的任何貢獻(xiàn)均已在論文中作了明確的說(shuō)明并表示了謝意。研究生簽名：到偉時(shí)IBJ：勱／牛年朝伽日關(guān)于論文使用授權(quán)的說(shuō)明本人完全了解寧夏大學(xué)有關(guān)保留、使用學(xué)位論文的規(guī)定，即：學(xué)校有

2、權(quán)保留送交論文的復(fù)印件和磁盤，允許論文被查閱和借閱，可以采用影印、縮印或掃描等復(fù)制手段保存、匯編學(xué)位論文。同意寧夏大學(xué)可以用不同方式在不同媒體上發(fā)表、傳播學(xué)位論文的全部或部分內(nèi)容。(保密的學(xué)位論文在解密后應(yīng)遵守此協(xié)議)研究生簽名：童：l偉時(shí)間：勱嗶年g月勱日導(dǎo)師簽名：咄易磊乎時(shí)間：勁Ⅳ年g月衫日AbstractInthisthesis，wedesignedandsynthesizedallphosphatecontainingsolub

3、letripodligandL1～L4anditsrareearthpicratecomplexesThetripodligandderivativeswascharacterizedby1HNMR”CNMRelementalanalysis，IRspectraandtheligandwerecalculatedbyfulloptimizedmoleculargeometrywithGaussian03programByusingthe

4、methodofcontinuousmolarratio，elementalanalysis，TGDSCandIRspectrathestructureofcomplexeswerecharacterizedTheresultsofexperimentsshowedthatthefourligandsanditsrareearth(Eu(111)andTh(III))picratehadformeda1：1complex(Eu(pic)

5、3L”4andTh(pichL卜4)Thecharacteristicsoftheintercalationoftheseriesrareearthpicratecomplexes(Eu(pic)3L卜4)withBSAwerestudiedbyUVspectrafluorescentspectraandcyclicvoltammetryFromthestudyoftheUVspectrawefoundthattheEu(pic)3L卜

6、4withBSAcanformednewEu(pic)3L1“4BSAcomplexesthroughastronginteractionSeparatelythebindingconstantsbetweenthemare“411x105Lmol‘1，328x105Umol’1，259x104Lmol。1，453x104Lmol。1；FromthestudyofthecyclicvoltammetrywefoundthattheEu(

7、pic)3L”withBSAhadformedakindof1：1complexesEu(pic)3LlqBSA，KEB(n)／K叫Ⅲ)1，indicatedthatthebindingcapacityofEu(II)complexeswithBSAarestrongerthanEu(iii)complexes；ThestudyofthefluorescencespectroscopyshowedthatEu(pichL”withBSA

8、hadformedanonfluorescentcomplexesEu(pic)3Ll4BSA，andthefluorescencequenchingmethodisstaticquenchingHoweverthebindingconstantsdecreasedasthetemperatureincreasedTherewasonebindingsitebetweenthecomplexeandBSAThethermodynamic

9、parametersoftheEu(pic)3L1。andBSAshowedthatreactionarespontaneousexothermicprocess，theforcesarehydrogenbondsandvanderWaalsTheinteractionoftileFe3andCu2withcomplexesandBSAwasstudiedbyUVspectraandfluorescencespectratheconse

10、quencesshowedthatthepresenceofFe3andCu2couldenhancethesituationoftheEu(pic)3L卜4andBSAbutcouldn’tchangeitsbindingsites，indicatingthatCu2andFc3canenhancethestabilityoftheEu(pic)3L卜4BSAcomplexesthroughthemetalbridgebythemet

11、alionsEu(pic)3L1～ThecharacteristicsoftheEu(pic)3L1～4withctDNAwereexaminedbyUVspectraandcyclicvoltammetrywefoundthatEu(pichLllareelectrochemicallyactivesubstancein06v～06VTheelectrochemicalredoxprocessesofEu(pic)3L1～4ongla

12、ssycarbonelectrodeisareversibleprocesscontrolledbydiffusionThebindingmodeofthecomplexes謝廿lDNAwereinsertmode，thebindingconstantswere121106Lmol～，481x105Lmol～，534x105Lmol～，551105L‘mol～Thecoordinationreactionof6furfurylamino

13、purine，DNAandEu(pic)3LHwerestudiedbyUVspectratheresultsprovedthatEu(pic)3LHcanform1：1complexes(6furfurylaminopurineEu(pichL卜4)with6一furfurylaminopurine，Eu(pichL卜4，DNAand6furfurylaminopurinecaIlselfassembletoforma6furfury

14、laminopurineDNA—Eu(pic)3L1～4supramolecularItwascalculatedbyScatchardthatthebindingconstantsofthesystemwere：224x105Lmol。1，141105Lmol。1，121105Lmol。1and282105Lmol’1，whichissmallerthanthebindingconstantofEu(pic)3LIDNAThestud

15、yofEu(pic)3L5DNA—basedchemicalsensorshowedthatEu(pic)3L5haveagoodrecognitionoftheDNAcomplementarysequenceandmismatchsequenceAccordinglytheEu(pic)3L3canbeusedasaDNAelectrochemicallyactiveprobestoeffectivelyidentifythehybr