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Composite molecularly imprinted nanofiber membranes with selectivity and adsorption behavior to bisphenol A derivatives  
Composite molecularly imprinted nanofiber membranes with selectivity and adsorption behavior to bisphenol A derivatives
资料类型: PDF文件
关键词: molecular  imprinting  electrospinning  fibre  membrane  bisphenol  A  
nanoparticles  recognition  
资料大小: 772K
所属学科: 分子表征
来源: 2009先进纤维与聚合物材料国际学术会议(ICAFPM,10.21-10.24,上海)
简介:
Molecularlyimprintednanoparticlesarecross-linkedpolymercolloidscontainingtailor-mademolecularrecognitionsites.Inthisstudy,molecularlyimprintednanoparticleswereeasilyencapsulatedwithinpolymernanofibersusinganelectrospinningtechniquetoproduceanewtypeofmolecularrecognitionmaterial.Amodifiedprecipitationpolymerization(MPP)methodwasemployedtopreparemolecularlyimprintedpolymermicrospheresforselectiverecognitionandbindingofbisphenolA(BPA).Polysulfone(PSf)wasusedasthesupportingnanofibersmatrixtoencapsulateBPAimprintednanoparticles.Thecompositenanofibershadanaveragediameterof400-600nm,dependingonthecontentofmolecularlyimprintednanoparticles.FortheBPAimprintedpolymers,anoptimalloadingofmolecularlyimprintednanoparticleswas25~50wt%basedonPSf.Thecompositenanofiberspreparedundertheseconditionshadawell-definedmorphologyanddisplayedthebestselectivetargetrecognition.
作者: GONG Jianlong, LUO Laisheng, ZHOU Meihua
上传时间: 2010-04-12 14:49:23
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