TY  - GEN
ID  - 21085177
AU  - Mizushima, Hiroaki
AU  - Yoshikawa, Yoshikawa
AU  - Li, Nanwen
AU  - Robertson, Gilles P.
AU  - Guiver, Michael D.
T1  - Electrospun nanofiber membranes from polysulfones with chiral selector aimed for optical resolution
T3  - Autumn Symposium of the Society of Polymer Science, Sept. 19, 2012, Nagoya, Japan
SP  - 1
EP  - 2
PY  - 2012
KW  - Chiral separation
KW  - Electrospray deposition
KW  - Membrane
KW  - Naofiber fabric
KW  - Optical resolution
KW  - Permselectivity
KW  - Polysulfone
N2  - Polysulfones with three types of alanyl residue, such as N-!-acetylalanine (Ac-Ala-OH), N-!-benzoylalanine (Bzo-Ala-OH), and N-!-benzyloxycarbonylalanine (Z-Ala-OH), as chiral selectors were prepared by polymer reaction. The resulting modified polysulfones showed chiroptical properties, indicating that the chiral selector residues were successfully introduced into the polysulfone. Nanofiber membranes prepared from the polymeric materials showed adsorption selectivity toward mixtures of racemic Glu, which were adopted as model racemates. Flux values for the nanofiber membranes 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  - 53123
U3  - Energy, Mining and Environment
U3  - Énergie, mines et environnement (EME-EME)
U3  - National Research Council Canada
U3  - Conseil national de recherches Canada (CNRC-NRC)
U3  - NRC Institute for Chemical Process and Environmental Technology
U3  - Institut de technologie des procédés chimiques et de l'environnement du CNRC (ITPCE-ICPET)
ER  -