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An anionic micellar approach for the acceleration of catalytic oxidation of L-leucine by KMnO4 in aqueous acidic environment

  • Abhishek Srivastava

    Dr. Abhishek Srivastava has completed her M.Sc. and Ph.D. form University of Gorakhpur, Gorakhpur, U.P. India. He has expertise in inorganic Nanochemistry and Chemical Kinetics. Till now she has published around 30 research articles in various Journals of international repute.

         , Ikechukwu Ugbaga Nkole

    Dr. Ikechukwu Ugbaga Nkole has completed his M.Sc. and Ph.D. form College of Science and Computing, Wigwe University, Nigeria. He has expertise in Kinetic modeling and surface chemistry. Till now he has published more than 25 research articles in various Journals of international repute.

         , Vinay Kumar Singh

    Dr. Vinay Kumar Singh has completed her Ph.D. form University of Lucknow, Lucknow, U.P. India. Till now he has published 40 research articles in various Journals of international repute.

         and Neetu Srivastava

    Dr. Neetu Srivastava has completed his M.Sc. and Ph.D. form University of Lucknow, Lucknow, U.P. India. He has expertise in Chemical Kinetics and Nanochemistry. Till now he has published more than 80 research articles in various Journals of international repute.

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Published/Copyright: October 21, 2025
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Tenside Surfactants Detergents
From the journal Tenside Surfactants Detergents Volume 62 Issue 6

Abstract

The influence of sodium lauryl sulfate (SLS) micelles on the kinetics of Ag(I)-assisted oxidation of l-Leucine (L-Leu) by acidic Mn(VII) has been explored within aqueous environments. The advancement of the reaction is evaluated through the quantification of reduction in absorption value, utilizing the pseudo-first-order situation as a metric for [SLS], [Ag(I)], [L-Leu], ionic strength, [Mn(VII)], and [H+]. Throughout the investigated concentration spectrum, the reaction exhibits fractional-second-order reliance on [H+], first-order dependence on [Mn(VII)], and fractional-first-order dependency on [L-Leu] and Ag(I). Ag(I) markedly enhances the oxidation rate by a factor of 3.4. The kinetic profile revealed a 2.8-fold improvement in the rate constant associated with a rise in surfactant content. The combined action of Ag(I) and SLS micelles results in a 9.6-fold augmentation in the oxidation rate of L-Leu. The oxidation process is accelerated by the electrostatic interaction that occurs among the Mn(VII) and negatively charged micelle, which brings the oxidant closer to the substrate (L-Leu), which is normally soluble in a micellar milieu. A plausible mechanistic scheme that aligns with the kinetic observations has been highlighted, along with an examination of the Piszkiewicz model, to further explain the evident catalytic effect of SLS micellar surroundings.

Keywords: rate enhancement; SLS micelles; permanganate ion; l-leucine; Ag(I) catalyzed
Corresponding author: Neetu Srivastava, Department of Chemistry, University of Lucknow, Lucknow, UP, India, E-mail:

About the authors

Abhishek Srivastava

Dr. Abhishek Srivastava has completed her M.Sc. and Ph.D. form University of Gorakhpur, Gorakhpur, U.P. India. He has expertise in inorganic Nanochemistry and Chemical Kinetics. Till now she has published around 30 research articles in various Journals of international repute.

Ikechukwu Ugbaga Nkole

Dr. Ikechukwu Ugbaga Nkole has completed his M.Sc. and Ph.D. form College of Science and Computing, Wigwe University, Nigeria. He has expertise in Kinetic modeling and surface chemistry. Till now he has published more than 25 research articles in various Journals of international repute.

Vinay Kumar Singh

Dr. Vinay Kumar Singh has completed her Ph.D. form University of Lucknow, Lucknow, U.P. India. Till now he has published 40 research articles in various Journals of international repute.

Neetu Srivastava

Dr. Neetu Srivastava has completed his M.Sc. and Ph.D. form University of Lucknow, Lucknow, U.P. India. He has expertise in Chemical Kinetics and Nanochemistry. Till now he has published more than 80 research articles in various Journals of international repute.

  1. Research ethics: Not applicable.

  2. Informed consent: Not applicable.

  3. Author contributions: A.S.: Methodology, Investigation, Experimental, Graphical Work., I. U. N.: Investigation, Formal Analysis, Writing original draft., V. K. S.: Investigation, Formal Analysis, Writing original draft., N. S.: Supervision, Conceptualization, Statistical analysis, Writing original draft. All authors have accepted responsibility for the entire content of this manuscript and approved its submission.

  4. Use of Large Language Models, AI and Machine Learning Tools: None declared.

  5. Conflict of interest: The authors state no conflict of interest.

  6. Research funding: None declared.

  7. Data availability: Not applicable.

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Supplementary Material

This article contains supplementary material (https://doi.org/10.1515/tsd-2025-2687).

Received: 2025-06-18
Accepted: 2025-08-29
Published Online: 2025-10-21
Published in Print: 2025-11-25

© 2025 Walter de Gruyter GmbH, Berlin/Boston

Articles in the same Issue

  1. Frontmatter
  2. Physical Chemistry
  3. An anionic micellar approach for the acceleration of catalytic oxidation of L-leucine by KMnO4 in aqueous acidic environment
  4. Sustainability
  5. Lowering the environmental impact of dishwashing and laundry in Europe: a LCA perspective
  6. Synergistic strength enhancement of CDW-based brick using polycarboxylate ether with cement
  7. Application
  8. Investigation on the interactions between amphiphilic copolymer and different surfactants
https://doi.org/10.1515/tsd-2025-2687
Keywords for this article
rate enhancement; SLS micelles; permanganate ion; l-leucine; Ag(I) catalyzed

Articles in the same Issue

  1. Frontmatter
  2. Physical Chemistry
  3. An anionic micellar approach for the acceleration of catalytic oxidation of L-leucine by KMnO4 in aqueous acidic environment
  4. Sustainability
  5. Lowering the environmental impact of dishwashing and laundry in Europe: a LCA perspective
  6. Synergistic strength enhancement of CDW-based brick using polycarboxylate ether with cement
  7. Application
  8. Investigation on the interactions between amphiphilic copolymer and different surfactants
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