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Reference type: Book Chapter
Authors: Longo L, Vasapollo G, Picca RA, Malitesta C
Publication date: 2008
Chapter title: Synthesis and selective nucleoside recognition of a new substituted zinc-phthalocyanine.
Page numbers: 86-90.
DOI: 10.1142/9789812793393_0018

Book title: Sensors And Microsystems
Editors: Siciliano P, Capone S, Di Natale C, D'Amico A
Publisher: World Scientific
ISBN: 978-981-279-338-6

Abstract: A new zinc-phthalocyanine peripherally substituted with methacryloyl groups was synthesized to be employed as functional monomer in the formation of molecularly imprinted polymers as nucleoside receptors. The binding affinity and selectivity of the synthesized phthalocyanine towards nucleosides were evaluated by UV-vis titration experiments in CH2Cl2 at 298 K. The binding constant (Ka) and Gibbs free energy changes (-Δ G0) were calculated according to the modified Benesi-Hildebrand equation. Binding experiments showed that Ka of phthalocyanine with tri-O-acetyladenosine (TOAA) is 1.35 x 10^4, 500 times that of phthalocyanine with tri-O-acetyluridine (TOAU), indicating a high selectivity of the synthesized phthalocyanine derivative


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