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Reference type: Journal
Authors: Meier F, Elbert SM, Mizaikoff B
Article Title: A novel approach for the direct determination of residual template molecules in molecularly imprinted polymer matrices.
Publication date: 2012
Journal: Analytical Methods
Volume: 4
Issue: (9)
Page numbers: 2755-2758.
DOI: 10.1039/C2AY25308A
Alternative URL: https://www.researchgate.net/publication/255757379_A_novel_approach_for_the_direct_determination_of_residual_template_molecules_in_molecularly_imprinted_polymer_matrices

Abstract: With inductively coupled plasma optical emission spectroscopy (ICP-OES), this article introduces an analysis method enabling the direct quantitative determination of residual template molecules in molecularly imprinted polymer (MIP) matrices. ICP-OES was applied for the determination of residual iodine in MIPs prepared against the iodinated X-ray contrast agent iohexol. Prior to analysis, a microwave-assisted acidic oxidative digestion method was developed simultaneously enabling the digestion of the polymer matrix and the exhaustive oxidation of organically bound iodine. Excellent recovery rates and a high accuracy confirm the feasibility and utility of a microwave-assisted digestion with subsequent ICP-OES analysis for the determination of residual iodine in MIPs, and indicate the potential of this combination as a widely applicable monitoring tool for the efficiency of template extraction from MIP matrices
Template and target information: iohexol


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