Stacking of 2,3,5-triphenyl-2H-tetrazolium chloride onto polyelectrolytes containing 4-styrenesulfonate groups

The Journal of Physical Chemistry. B
Ignacio Moreno-VillosladaHiroyuki Nishide

Abstract

Possible structural aspects are discussed that justify the different resistance to reduction of 2,3,5-triphenyl-2 H-tetrazolium chloride (TTC) both chemically (by reaction with ascorbic acid (ASC)) and electrochemically, in the presence of different polyelectrolytes such as poly(sodium 4-styrenesulfonate) (PSS), poly(sodium 4-styrenesulfonate- co-sodium maleate) at two different comonomer compositions (P(SS 1- co-MA 1) and P(SS 3- co-MA 1)), and poly(sodium acrylate- co-sodium maleate) (P(AA 1- co-MA 1)). Different dissociation constants are found for the complexes between TTC and the different polyelectrolytes by diafiltration (DF). Related to this, spectroscopical differences are also found by (1)H NMR and UV-vis spectroscopies. Dynamic light scattering (DLS) showed a higher tendency to undergo intermolecular aggregation for P(SS 1- co-MA 1) in the presence of TTC, a result that could be related with a higher tendency for TTC to form hydrophobic ion pairs as a consequence of single stacking with the benzene sulfonate groups (BS) of this polyelectrolyte. On the other hand, the lower tendency for PSS to undergo intermolecular aggregation could be attributable to a higher probability to form more hydrophilic adducts by means of ...Continue Reading

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Jun 28, 2006·The Journal of Physical Chemistry. B·Ignacio Moreno-VillosladaBernabé L Rivas
Oct 27, 2006·The Journal of Physical Chemistry. B·Ignacio Moreno-VillosladaHiroyuki Nishide
Dec 7, 2006·Journal of the American Chemical Society·Alejandro L BrisenoFred Wudl
Dec 15, 2006·Journal of the American Chemical Society·Hiroyuki TanakaStefan Matile
May 17, 2007·The Journal of Physical Chemistry. B·Ignacio Moreno-VillosladaHiroyuki Nishide
Apr 9, 2008·The Journal of Physical Chemistry. B·Ignacio Moreno-VillosladaHiroyuki Nishide

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Citations

Mar 6, 2010·The Journal of Physical Chemistry. B·Ignacio Moreno-VillosladaHiroyuki Nishide
May 26, 2010·The Journal of Physical Chemistry. B·Ignacio Moreno-VillosladaHiroyuki Nishide
May 31, 2021·European Journal of Pharmaceutics and Biopharmaceutics : Official Journal of Arbeitsgemeinschaft Für Pharmazeutische Verfahrenstechnik E.V·María Gabriela Villamizar-SarmientoFelipe A Oyarzun-Ampuero
Jul 9, 2010·Langmuir : the ACS Journal of Surfaces and Colloids·Diptangshu ChakrabortyMonika Schönhoff
Nov 9, 2010·The Journal of Physical Chemistry. B·Immanuel WillerichFranziska Gröhn
Jan 18, 2018·The Journal of Physical Chemistry. B·Esteban Araya-HermosillaIgnacio Moreno-Villoslada

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