Fig. 8: Hierarchical nanochannel membrane for enantioseparation.
From: Hierarchically engineered nanochannel systems with pore-in/on-pore structures
a L-histidine-doped ZIF membrane on an AAO support (L-His-ZIF-AAO). Enantiomeric excess value (b) and concentration (c) of each enantiomer through L-His-ZIF-AAO vs. permeate time. Reproduced with permission73. Copyright 2018, Wiley-VCH. PES membrane containing amino acid-functionalized MIL-53 (d) and its separation performance evaluation (e). Reproduced with permission74. Copyright 2019, Wiley-VCH. f CD-COF-PES membranes built from the mixing of PES with chiral β-cyclodextrin-modified COF. g Concentrations of histidine in the permeate solution through the CD-COF-PES membrane vs. permeate time. Reproduced with permission77. Copyright 2019, American Chemical Society. h Schematic of an L-tyrosine-functionalized COF packed in a PET nanochannel (L-Tyr-COF-PET). i HPLC chromatogram of the separated naproxen with the L-Tyr-COF-PET membrane. Reproduced with permission78. Copyright 2022, Wiley-VCH. j, k Chiral mesoporous silica assembly on AAO support and its separation capacity toward L- and D-arginine. Reproduced with permission32. Copyright 2022, American Chemical Society.
