Aromatic-aromatic interaction between 2,3,5-triphenyl-2H-tetrazolium chloride and poly(sodium 4-styrenesulfonate)

Ignacio Moreno-Villoslada, Felipe González, Luciano Rivera, Susan Hess, Bernabé L. Rivas, Toshimichi Shibue, Hiroyuki Nishide

Research output: Contribution to journalArticle

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Abstract

Aromatic-aromatic interactions are found between the cationic molecule 2,3,5-triphenyl-2H-tetrazolium chloride (TTC) and the molecule poly(sodium 4-styrenesulfonate) (PSS) which makes the overall interaction of TTC with PSS more intense than the interaction with other polyanions containing sulfonate groups and produces a decrease on the redox ability of ITC. Diafiltration was used to compare the binding of TTC to PSS, poly(sodium vinylsulfonate) (PVS), and the more hydrophobic poly(sodium 2-(N-acrylamido)-2-methylpropanesulfonate) (PAMPS). The UV-vis spectrum of TTC is changed in the presence of the aromatic polyanion. The 1H NMR signals of TTC are broadened and shifted in the presence of PSS, suggesting the occurrence of π-π interactions. Moreover, nuclear Overhauser effects (NOE) between the TTC and PSS protons are found. Possible structures for the complex are proposed.

Original languageEnglish
Pages (from-to)6146-6150
Number of pages5
JournalJournal of Physical Chemistry B
Volume111
Issue number22
DOIs
Publication statusPublished - 2007 Jun 7

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Chlorides
chlorides
Sodium
sodium
Molecules
interactions
Protons
Nuclear magnetic resonance
Overhauser effect
sulfonates
triphenyltetrazolium
styrenesulfonic acid polymer
molecules
occurrences
nuclear magnetic resonance
protons
polyanions
Oxidation-Reduction

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

Cite this

Aromatic-aromatic interaction between 2,3,5-triphenyl-2H-tetrazolium chloride and poly(sodium 4-styrenesulfonate). / Moreno-Villoslada, Ignacio; González, Felipe; Rivera, Luciano; Hess, Susan; Rivas, Bernabé L.; Shibue, Toshimichi; Nishide, Hiroyuki.

In: Journal of Physical Chemistry B, Vol. 111, No. 22, 07.06.2007, p. 6146-6150.

Research output: Contribution to journalArticle

Moreno-Villoslada, Ignacio ; González, Felipe ; Rivera, Luciano ; Hess, Susan ; Rivas, Bernabé L. ; Shibue, Toshimichi ; Nishide, Hiroyuki. / Aromatic-aromatic interaction between 2,3,5-triphenyl-2H-tetrazolium chloride and poly(sodium 4-styrenesulfonate). In: Journal of Physical Chemistry B. 2007 ; Vol. 111, No. 22. pp. 6146-6150.
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AU - Rivera, Luciano

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