烟酰胺腺嘌呤二核苷酸磷酸与纳米氧化铝和勃姆石的作用.pdf

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1、第29卷第1期无机化学学报Vo1．29No．12013年1月CHINESEJOURNALOFINORGANICCHEMISTRYl11．122烟酰胺腺嘌呤二核苷酸磷酸与纳米氧化铝和勃姆石的作用李丽1,3汤勇铮李卉卉z杨绪杰陆天虹杨小弟*，，(教育部软化学与功能材料重点实验室，南京理工大学化工学院．南京210094)(江苏省新型动力电池重点实验室，南京师范大学化学与材料科学学院．南京210097)(南京晓庄学院生物化工与环境工程学院．南京211171)摘要：采用多种现代分析手段研究了烟酰胺腺嘌呤二核苷酸磷酸(NADP+)与纳米氧化铝一Al03)和纳米勃姆石一AIOOH)~互作用，结果显示

2、NADP与—A1OOH主要通过静电作用相结合，而在．A1：O，表面除了静电和氢键作用外，还存在通过铝与磷酸根中的氧配位形成的内层配合物；在3

3、10．3969~．issn．1001—4861．2013．00．014InteractionsofNicotinamideAdenineDinucleotidePhosphatewithNano．BoehmiteandNano．CorundumLILiTANGYong—ZhengLIHui-HuiYANGXu．JieLUTian．HongYANGXiao-Di，1，(KeyLaboratoryforsChemistryandFunctionalMaterialsof』lnfofEducation，SchoolofChemicalEngineering,NanjingUniversity

4、ofScienceandTechnology．Nanjing210094，China)(~JiangsuKeyLaboratoryofNewPowerBatteries，CollegeofChemistryandMaterialsScience，NanjingNormalUniversity,Nanjing210097，China)(3SchoolofBiochemicalandEnvironmentalEngineering,NanjingXiaozhuangUniversity,Nanjing211171。Chi凡Abstract：TheadsorptionbehaviorofNA

5、DPonthenano．boehmite．AIOOH)andnan0．co131ndum．A12O3)surfaeeswasexaminedusingbatchadsorptionexperimentsoverabroadrangeofNADPconcentrationsandpHvalues．TheresultsindicatethatNADPispredominantlyadsorbedontheboehmitesurfaceasanouter-spherebvelectrostaticinteractionviaNADPphosphateandsurfacehydroxylgro

6、upsovertheinvestigatedpHvalues．Incontrast，onthecorundumsurface，twoouter—spherecomplexesareformedbytheelectrostaticforceandthehydrogenbondinallcases，andanotherminorinner．spherecomplexinvolvingthephosphateisformedatlowDHvalues．However，at3

7、ectedvalue．ThiscanbeinterpretedintermsofcompetitiveadsorptionofdissolvedAl㈣wjthNADPunderacidicconditions．Moreover，theadsorptionbehavioronthetwonano．aluminumcompoundscouldbewellfittedwiththeidealLangmuirisothermsandbothofthem