水处理膜中纳米水通道的构建.pptx

水处理膜中纳米水通道的构建

研究背景研究内容2.1含水通道蛋白仿生膜2.2含纳米水通道的复合膜3.展望Outline

J.R.Werber,C.O.Osuji,M.Elimelech,NatureReviewsMaterials,2016,16018M.Elimelech,WilliamA.Phillip,Science,2011,6043,712-7171.研究背景

研究方向：高选择透过性纳米水通道的构建水通道材料AQPGOCNT高性能膜水处理应用2.研究内容J.Mater.Chem.A,2017,5,19875J.Mater.Chem.A,2016,4,16896(BackCover)J.Mater.Chem.A,2015,3,20118(Frontcover)J.Membr.Sci.,2016,515,125ACSSustainableChem.Eng.,2016,4,169ACSSustainableChem.Eng.,2016,4,2990ACSSustainableChem.Eng.,2016,4,3095Environ.Sci.Tech.,2016,50,8809Environ.Sci.Tech.,2015,49,3761Desalination,2015,368,89Desalination,2015,369,1Appl.Surf.Sci.,2015,330,118Sci.Tech.Adv.Mater.,2015,16,045005Membranes,2015,5,369

水通道蛋白（AQP）结构单个AQP的渗透能力为6~24×10-14m3/s2.研究内容2.1含水通道蛋白的膜材料C.T.Tang,Z.N.Wang,etal,Desalination,2015,368,89-105(Review).

2.研究内容AQPHighpermeability，107-109watermolecules/secondHighselectivity，leadingtohighsaltrejectionBettermembranesrequirebettermaterials.GoodbiocompatibilityWaterpassthroughAQPonceSupportedlipidbilayer(SLB)LowstabilityLowmechanicalstrengthProteopolymersomeorproteoliposomesealedmembraneDefectfreeStableWaterpasstroughAQPatleasttwiceLowbiocompatibility

方法一：静电层层自组装，以PAN为基膜，PEI/PSS为垫层，在负电PSS上铺展带有正电的含AQP磷脂双层膜。方法二：高分子基膜上铺展左旋多巴层，利用左旋多巴的羧基与DOPE的胺基形成酰胺键，从而制备共价键结合的含AQP磷脂双层膜。存在缺陷，截盐率低稳定性差M.Q.Wang,Z.N.Wang*,etal,Environ.Sci.Tech.,2015,49,3761.W.D.Ding,Z.N.Wang*,etal,J.Mater.Chem.A,2015,3,20118(Frontcover).Z.N.Wang*,etal,Sci.Tech.Adv.Mater.,2015,16,045005.S.Z.Wang,Z.N.Wang*,etal,Membranes,2015,5,369.C.Y.Tang,Z.N.Wang,etal,Desalination,2015,368,89-105

2.1.1LbLassemblyTheschematicpresentationoftheformationprocedureforAqpZembeddedLbLmembraneH-PANPEIPSSDOPC/DOTAPSLBAQPz-DOPC/DOTAPSLBAQPzNegativechargedPositivechargedNegativechargedPositivechargedproteoliposome(DOPC:DOTAP=4:1)ruptur