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Surface plasmon resonance studies on molecularly imprinted films
Author(s) -
Yoshikawa Masakazu,
Guiver Michael D.,
Robertson Gilles P.
Publication year - 2008
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.28686
Subject(s) - surface plasmon resonance , adsorption , molecular recognition , moiety , materials science , molecularly imprinted polymer , polysulfone , chemistry , molecule , chemical engineering , polymer chemistry , organic chemistry , nanoparticle , nanotechnology , selectivity , polymer , engineering , catalysis
Novel molecular recognition films were prepared from modified polysulfone having perillaldehyde moiety as a side group. The molecular recognition films were obtained from perillaldehyde polysulfone by adopting 9‐ethyladenine as a print molecule. The molecular recognition phenomena were studied by surface plasmon resonance (SPR) spectroscopy. Adsorption of adenosine (As) and guanosine (Gs) in the molecularly imprinted film was studied. Dual adsorption isotherms were observed for As in 9‐EA imprinted films, while nonspecific adsorption isotherms for Gs in those films. This revealed that the molecular recognition sites toward As were constructed in the films thus prepared. The apparent affinity constant toward As determined by using apparent adsorption isotherms ranged from 7.90 × 10 3 to 3.31 × 10 4 mol −1 dm 3 . © 2008 Wiley Periodicals, Inc. J Appl Polym Sci, 2008