TY  - JOUR
ID  - 20637155
AU  - Mizushima, Hiroaki
AU  - Yoshikawa, Masakazu
AU  - Li, Nanwen
AU  - Robertson, Gilles P.
AU  - Guiver, Michael D.
T1  - Electrospun nanofiber membranes from polysulfones with chiral selector aimed for optical resolution
JO  - European Polymer Journal
PB  - Elsevier
SP  - 1717
EP  - 1725
VL  - 48
IS  - 10
PY  - 2012
KW  - chiral separation
KW  - electrospray deposition
KW  - membrane
KW  - nanofiber fabric
KW  - optical resolution
KW  - permselectivity
KW  - polysulfone
N2  - Polysulfones with three types of alanyl residue, such as N-α-acetylalanine (Ac-Ala-OH), N-α-benzoylalanine (Bzo-Ala-OH), and N-α-benzyloxycarbonylalanine (Z-Ala-OH), as chiralselectors were prepared by polymer reaction. The resulting modified polysulfones showed chiroptical properties, indicating that the chiralselector residues were successfully introduced into the polysulfone. Nanofibermembranes prepared from the polymeric materials showed adsorption selectivity toward mixtures of racemic Glu, which were adopted as model racemates. Flux values for the nanofibermembranes were enhanced two to three orders of magnitude in comparison with the corresponding typical membranes, but without reduction in permselectivity. In the present study, it is shown that nanofiber is a suitable membrane form not only for molecularly imprinted membranes, but it exhibits enhanced throughput in comparison with typical dense membranes without concurrent reduction in permselectivity.
M1  - 53103
DO  - http://dx.doi.org/10.1016/j.europolymj.2012.07.003
U3  - NRC Institute for Chemical Process and Environmental Technology
U3  - Institut de technologie des procédés chimiques et de l'environnement du CNRC
U3  - National Research Council Canada
U3  - Conseil national de recherches Canada
ER  -