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pH Modulation of Super-Assembled Heteromembranes for Sustainable Chiral Sensing.
Huang, Yanan; Liang, Qirui; Yin, Haibo; Zhang, Xin; Gao, Ruihua; Pan, Jianming; Liang, Kang; Jiang, Lei; Kong, Biao.
Afiliación
  • Huang Y; Department of Chemistry, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, iChEM, Fudan University, Shanghai 200433, P. R. China.
  • Liang Q; School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China.
  • Yin H; Qingdao Innovation and Development Center, Harbin Engineering University, Qingdao 266400, P. R. China.
  • Zhang X; State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing 100084, P. R. China.
  • Gao R; Department of Chemistry, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, iChEM, Fudan University, Shanghai 200433, P. R. China.
  • Pan J; State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200433, P. R. China.
  • Liang K; School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China.
  • Jiang L; School of Chemical Engineering, Graduate School of Biomedical Engineering, The University of New South Wales, Sydney, NSW 2052, Australia.
  • Kong B; Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Science, Beijing 100190, P. R. China.
ACS Nano ; 18(19): 12547-12559, 2024 May 14.
Article en En | MEDLINE | ID: mdl-38695563
ABSTRACT
Enantioselective sensing and separation represent formidable challenges across a diverse range of scientific domains. The advent of hybrid chiral membranes offers a promising avenue to address these challenges, capitalizing on their unique characteristics, including their heterogeneous structure, porosity, and abundance of chiral surfaces. However, the prevailing fabrication methods typically involve the initial preparation of achiral porous membranes followed by subsequent modification with chiral molecules, limiting their synthesis flexibility and controllability. Moreover, existing chiral membranes struggle to achieve coupled-accelerated enantioseparation (CAE). Here, we report a replacement strategy to controllably produce mesoscale and chiral silica-carbon (MCSC) hybrid membranes that comprise chiral pores by interfacial superassembly on a macroporous alumina (AAO) membrane, in which both ion- and enantiomers can be effectively and selectively transported across the membrane. As a result, the heterostructured hybrid membrane (MCSC/AAO) exhibits enhanced selectivity for cations and enantiomers of amino acids, achieving CAE for amino acids with an isoelectric point (pI) exceeding 7. Interestingly, the MCSC/AAO system demonstrates enhanced pH-sensitive enantioseparation compared to chiral mesoporous silica/AAO (CMS/AAO) with significant improvements of 78.14, 65.37, and 14.29% in the separation efficiency, separation factor, and permeate flux, respectively. This work promises to advance the synthesis of two or more component-integrated chiral nanochannels with multifunctional properties and allows a better understanding of the origins of the homochiral hybrid membranes.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: ACS Nano Año: 2024 Tipo del documento: Article Pais de publicación: Estados Unidos
Texto completo
Añadir a Mi BVS
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XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: ACS Nano Año: 2024 Tipo del documento: Article Pais de publicación: Estados Unidos