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Journal of Membrane and Separation Technology

Molecularly Imprinted Chitin Nanofiber Membranes: Multi-Stage Cascade Membrane Separation within the Membrane
Pages 103-114
Kenta Shiomi and Masakazu Yoshikawa

DOI: http://dx.doi.org/10.6000/1929-6037.2016.05.03.3

Published: 26 October 2016

 


Abstract: Molecularly imprinted nanofiber membranes were fabricated from chitin and print molecule of phenylalanine derivative by simultaneously applying an alternative molecular imprinting and an electrospinning. The D-enantiomer imprinted nanofiber membrane preferentially incorporated the D-enantiomer and selectively transported D-enantiomer and vice versa. The permselectivity was exponentially increased with the increase in the membrane thickness, implying that multi-stage cascade membrane separation was carried out within the nanofiber membrane. The present study led to the conclusion that a molecularly imprinted nanofiber membrane is one of suitable membrane forms for the separation membrane with relatively high flux and permselectivity.

Keywords: Cascade separation, Chitin, Chiral separation, Molecularly imprinted membrane, Molecular imprinting, Multi-stage cascade membrane separation, Nanofiber, Optical resolution.
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