2015. New citation of publications of Moscow University, Dr. Sergei A. Ostroumov:
Cited articles:
Vorozhun, and Ostroumov, 2003;
Ostroumov, 2003;
http://5bio5.blogspot.com/2015/01/2015-new-citation-of-publications-of.html
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These papers were cited:
and:
MN Khan - Journal of Cleaner Production, 2015;
... and sediment). Such compounds are persistent in the environment. The synthetic
surfactants also inhibit the auto-filtering activity of aquatic organisms (Vorozhun
and Ostroumov, 2003; Ostroumov, 2003). These compounds ...
Scholar Alert: New citations to articles in Sergei Ostroumov's profile;
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Cited articles:
Vorozhun, and Ostroumov, 2003;
Ostroumov, 2003;
http://5bio5.blogspot.com/2015/01/2015-new-citation-of-publications-of.html
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These papers were cited:
- Ostroumov, 2003;
- Studying effects of some surfactants and detergents on filter-feeding bivalves;
- Hydrobiologia, 500 (2003), pp. 341–344;
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and:
- Vorozhun and Ostroumov, 2009;
- On Studying the Hazards of Pollution of the Biosphere: Effects of Sodium Dodecylsulfate (SDS) on Planktonic Filter-Feeders;
- Dokl. Biol. Sci., 425 (2009), pp. 133–134;
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cited in:
MN Khan - Journal of Cleaner Production, 2015;
... and sediment). Such compounds are persistent in the environment. The synthetic
surfactants also inhibit the auto-filtering activity of aquatic organisms (Vorozhun
and Ostroumov, 2003; Ostroumov, 2003). These compounds ...
Scholar Alert: New citations to articles in Sergei Ostroumov's profile;
Natural Surfactant extracted from< i> Sapindus mukurossi</i> as an eco-friendly alternate to synthetic surfactant-A dye surfactant interaction study;
MN Khan - Journal of Cleaner Production, 2015;
Abstract The comparative study between synthetic and natural surfactants was carried out
using spectrophotometry, conductometric and surface tension measurement. The value of
critical micelle concentration for the natural surfactant was determined. The influence of ...;
**using spectrophotometry, conductometric and surface tension measurement. The value of
critical micelle concentration for the natural surfactant was determined. The influence of ...;
Available online 16 January 2015;
Natural Surfactant extracted from Sapindus mukurossi as an eco-friendly alternate to synthetic surfactant- A dye surfactant interaction study
Highlights
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- The comparison between natural surfactant and synthetic surfactant is carried out by using spectrophotometric, and surface tension measurements.
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- The critical micelle concentration is evaluated using conductometric method.
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- The behavior of dye-surfactant ion pair is studied at different temperature by measuring the conductance of the solution.
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- Various thermodynamic parameters are calculated.
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- The use of natural surfactant as a green substitute of synthetic surfactant is suggested.
Abstract
The comparative study between synthetic and natural surfactants was carried out using spectrophotometry, conductometric and surface tension measurement. The value of critical micelle concentration for the natural surfactant was determined. The influence of temperature on conductance was observed and the interaction is found favorable at low temperature. The comparative interaction behavior of the surfactants was studied by reacting them individually with an oppositely charged dye. The concentration of both the surfactants was varied from pre to post micellar region to examine spectral changes. It was detected that the variation in the concentration of surfactant leads to the changes in the spectra of dye. The study showed that the initial increase in surfactant concentration leads to the formation of stable ion-pair, but increasing concentration beyond its critical micelle concentration caused the dissolution of dye surfactant aggregates. The surface tension measurement was also performed. The values for equilibrium constant and Gibbs free energy were calculated based on the theoretical model. On the basis of these values, it is stated that the interaction between natural surfactant and dye is thermodynamically favorable and competitive. The use of natural surfactant in place of synthetic surfactant is suggested as an inexpensive, environmental friendly and cleaner substitute.
Graphical abstract
Keywords
- Natural surfactant;
- critical micelle concentration;
- sodium dodecyl sulfate;
- conductance;
- spectrophotometry
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Uncited reference
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- On Studying the Hazards of Pollution of the Biosphere: Effects of Sodium Dodecylsulfate (SDS) on Planktonic Filter-Feeders
- Dokl. Biol. Sci., 425 (2009), pp. 133–134
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Copyright © 2015 Published by Elsevier Ltd.
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