1999
DOI: 10.1002/(sici)1097-4628(19990425)72:4<493::aid-app5>3.0.co;2-u
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Alternative molecularly imprinted membranes from a derivative of natural polymer, cellulose acetate

Abstract: ABSTRACT:Molecularly imprinted polymeric membranes were prepared from cellulose acetate (CA), of which acetyl content was 40%, by applying the alternative molecular imprinting technique. The Z-D-Glu imprinted polymeric membranes thus obtained recognized D-Glu in preference to L-Glu from racemic Glu mixtures and vice versa. The affinity constants between Glu and the chiral recognition site for two kinds of membranes were determined to be 3.1 ϫ 10 3 mol Ϫ1 dm 3 from the adsorption isotherm of D-Glu or L-Glu in t… Show more

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Cited by 81 publications
(54 citation statements)
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“…The alternative molecular imprinting can be taken as an extension of Michales' study [12], which was the first application of molecular imprinting to membrane separation. Applying an alternative molecular imprinting, any polymeric materials, such as synthetic polymers [13], oligopeptide derivatives [14,15], derivatives of natural polymers [16], and natural polymers [17] were directly converted into molecularly imprinted membranes. In membrane separation, not only permselectivity but also flux is an important membrane performance.…”
Section: Introductionsupporting
confidence: 89%
See 1 more Smart Citation
“…The alternative molecular imprinting can be taken as an extension of Michales' study [12], which was the first application of molecular imprinting to membrane separation. Applying an alternative molecular imprinting, any polymeric materials, such as synthetic polymers [13], oligopeptide derivatives [14,15], derivatives of natural polymers [16], and natural polymers [17] were directly converted into molecularly imprinted membranes. In membrane separation, not only permselectivity but also flux is an important membrane performance.…”
Section: Introductionsupporting
confidence: 89%
“…Results are summarized in Table 2. As expected from previous studies [13][14][15][16]26,27], the membranes imprinted by Z-d-Glu, incorporated d-Glu in preference to the corresponding l-Glu and vice versa. In other words, the membranes imprinted by the l-isomer preferentially adsorbed the l-isomer.…”
Section: Adsorption Selectivitymentioning
confidence: 99%
“…Generally, adsorption selectivity depends on molecular imprinting conditions and it is usually observed to increase with a decrease in the imprinting ratio, the mole ratio of the print molecule to the constitutional repeating unit of the polymer. [13,14] In contrast to previous results, [13,14] the membranes with the imprinting ratio of 1.0 gave higher adsorption selectivity among those three types of membranes. Adsorption selectivity depends on an amount of chiral recognition site, which was formed in the presence of a given print molecule and an area of non-specific wall, which does not contribute to chiral recognition.…”
Section: Resultsmentioning
confidence: 99%
“…Specialty membranes can be prepared by applying molecular imprinting. [4][5][6][7] Various polymeric materials, which can construct and maintain their structure, such as synthetic polymers, [8][9][10][11][12] derivative of natural polymers, [13] oligopeptide derivatives, [14] and natural polymers, [15] were converted into molecular recognition materials or membranes by applying an alternative molecular imprinting. [16,17] In earlier work, we studied the chiral molecular recognition properties of molecularly imprinted dense membranes prepared from non-chiral carboxylated polysulfone (PSf).…”
Section: Introductionmentioning
confidence: 99%
“…Molecular imprinting is a technique for the preparation of polymer having a high affinity for a target molecule. The general utilities of molecularly imprinted polymers (MIPs) are as antibodies and receptor mimics for assays [18], in the separation and screening of compounds of biological origin [19], and in membrane separations [20]. They are particularly suitable for the separation of molecules similar in size and shape.…”
Section: Introductionmentioning
confidence: 99%