The interaction of two anionic polyelectrolytes, namely, sodium alginate (NaAlg) & sodium heparin ate (NaHep) with a cationic dye Toluidine Blue (TB) has been investigated by spectrophotometric method. The polymers induced metachromasy in the dyes resulting in the shift of the absorption maxima of the dyes towards shorter wavelengths. The stability of the complexes formed between TB and sodiumalginate was found to be lesser than that formed between TB and sodiumheparinate. This fact was further confirmed by reversal studies using alcohols, urea and electrolytes. The interaction parameters revealed that binding between TB and anionic polyelectrolytes was mainly due to electrostatic interaction andhydrophobicforces. The effect of the temperature on to metachromasy has beendiscussed.
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Science Journal of Chemistry (Volume 5, Issue 4-1)
This article belongs to the Special Issue Polyelectrolyte-Dye Interaction |
| DOI | 10.11648/j.sjc.s.2017050401.11 |
| Page(s) | 1-7 |
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This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
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Copyright © The Author(s), 2017. Published by Science Publishing Group |
Cationic Dye, Metachromasy, Polyelectrolyte’s, Aggregation, Temperature
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APA Style
Nandini R., Vishalakshi B. (2017). A Comparative Study of Metachromasy Induced by Anionic Polelectroytes in Toluidine Blue. Science Journal of Chemistry, 5(4-1), 1-7. https://doi.org/10.11648/j.sjc.s.2017050401.11
ACS Style
Nandini R.; Vishalakshi B. A Comparative Study of Metachromasy Induced by Anionic Polelectroytes in Toluidine Blue. Sci. J. Chem. 2017, 5(4-1), 1-7. doi: 10.11648/j.sjc.s.2017050401.11
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Download@article{10.11648/j.sjc.s.2017050401.11,
author = {Nandini R. and Vishalakshi B.},
title = {A Comparative Study of Metachromasy Induced by Anionic Polelectroytes in Toluidine Blue},
journal = {Science Journal of Chemistry},
volume = {5},
number = {4-1},
pages = {1-7},
doi = {10.11648/j.sjc.s.2017050401.11},
url = {https://doi.org/10.11648/j.sjc.s.2017050401.11},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sjc.s.2017050401.11},
abstract = {The interaction of two anionic polyelectrolytes, namely, sodium alginate (NaAlg) & sodium heparin ate (NaHep) with a cationic dye Toluidine Blue (TB) has been investigated by spectrophotometric method. The polymers induced metachromasy in the dyes resulting in the shift of the absorption maxima of the dyes towards shorter wavelengths. The stability of the complexes formed between TB and sodiumalginate was found to be lesser than that formed between TB and sodiumheparinate. This fact was further confirmed by reversal studies using alcohols, urea and electrolytes. The interaction parameters revealed that binding between TB and anionic polyelectrolytes was mainly due to electrostatic interaction andhydrophobicforces. The effect of the temperature on to metachromasy has beendiscussed.},
year = {2017}
}
TY - JOUR T1 - A Comparative Study of Metachromasy Induced by Anionic Polelectroytes in Toluidine Blue AU - Nandini R. AU - Vishalakshi B. Y1 - 2017/03/06 PY - 2017 N1 - https://doi.org/10.11648/j.sjc.s.2017050401.11 DO - 10.11648/j.sjc.s.2017050401.11 T2 - Science Journal of Chemistry JF - Science Journal of Chemistry JO - Science Journal of Chemistry SP - 1 EP - 7 PB - Science Publishing Group SN - 2330-099X UR - https://doi.org/10.11648/j.sjc.s.2017050401.11 AB - The interaction of two anionic polyelectrolytes, namely, sodium alginate (NaAlg) & sodium heparin ate (NaHep) with a cationic dye Toluidine Blue (TB) has been investigated by spectrophotometric method. The polymers induced metachromasy in the dyes resulting in the shift of the absorption maxima of the dyes towards shorter wavelengths. The stability of the complexes formed between TB and sodiumalginate was found to be lesser than that formed between TB and sodiumheparinate. This fact was further confirmed by reversal studies using alcohols, urea and electrolytes. The interaction parameters revealed that binding between TB and anionic polyelectrolytes was mainly due to electrostatic interaction andhydrophobicforces. The effect of the temperature on to metachromasy has beendiscussed. VL - 5 IS - 4-1 ER -
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