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Reference type: Journal
Authors: Malitesta C, Guascito MR, Mazzotta E, Picca RA
Article Title: X-Ray Photoelectron Spectroscopy characterization of electrosynthesized poly(3-thiophene acetic acid) and its application in Molecularly Imprinted Polymers for atrazine.
Publication date: 2010
Journal: Thin Solid Films
Volume: 518
Issue: (14)
Page numbers: 3705-3709.
DOI: 10.1016/j.tsf.2009.10.016
Alternative URL: http://www.sciencedirect.com/science/article/B6TW0-4XGGYRF-1/2/1b941b27f56e5eac14e5239a2439b5d8

Abstract: X-Ray Photoelectron Spectroscopy (XPS) was used to extensively investigate the chemical structure of electrosynthesized poly(3-thiophene acetic acid). The observation of the integrity of carboxylic functionalities upon polymerization, along with the strong affinity between monomer and the herbicide atrazine (At) evidenced by Nuclear Magnetic Resonance, prompted the exploitation of the application of the electrosynthesized polymer in the preparation of a Molecularly Imprinted Polymer (MIP) for At. Experimental conditions for film electrosynthesis in the presence of template (At) were selected. XPS spectroscopy was used also for the characterization of the imprinted film, evidencing the entrapment of the template in polymer matrix and the removal of most template upon washing. Moreover, XPS results about the use of a cross-linking agent (3,3-bithiophene) for prospective improvement of MIP structural integrity are illustrated
Template and target information: atrazine
Author keywords: X-Ray Photoelectron Spectroscopy (XPS), electrosynthesis, molecularly imprinted polymers (MIPs), atrazine


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