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Electrostatic Heteroaggregation: Fundamentals and Applications in Interfacial Engineering

Cite this: Langmuir 2023, 39, 6, 2112–2134
Publication Date (Web):February 2, 2023
https://doi.org/10.1021/acs.langmuir.2c02681
Copyright © 2023 American Chemical Society

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    Abstract

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    The aggregation of oppositely charged soft materials (particles, surfactants, polyelectrolytes, etc.) that differ in one or more physical or chemical attributes, broadly referred to as electrostatic heteroaggregation, has been an active area of research for several decades now. While electrostatic heteroaggregation (EHA) is relevant to diverse fields such as environmental engineering, food technology, and pharmaceutical formulations, more recently there has been a resurgence to explore various aspects of this phenomenon in the context of interface stabilization and the development of functional materials. In this Feature Article, we provide an overview of the recent contributions of our group to this exciting field with particular emphasis on fundamental studies of electrostatic heteroaggregation between oppositely charged systems in the bulk, at interfaces, and across the bulk/interface. The influence of the size and shape of particles and the surface charge of heteroaggregates on the formation of Pickering emulsions and their utilization in the development of porous ceramics is discussed.

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    • Overview of the literature on the use of oppositely charged binary mixtures for emulsion stabilization (PDF)

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    Cited By

    This article is cited by 3 publications.

    1. Nithin Madhavan, Manas Mukherjee, Madivala G. Basavaraj. Porous Ceramics Prepared from 3D Printed Pickering Emulsions as Gold Nanoparticle Supports for Reduction Reactions. ACS Applied Nano Materials 2023, 6 (22) , 21201-21215. https://doi.org/10.1021/acsanm.3c04314
    2. Dóra Takács, Tamás Szabó, Andrej Jamnik, Matija Tomšič, István Szilágyi. Colloidal Interactions of Microplastic Particles with Anionic Clays in Electrolyte Solutions. Langmuir 2023, 39 (36) , 12835-12844. https://doi.org/10.1021/acs.langmuir.3c01700
    3. Nizar B. Alsharif, Dániel Viczián, Aleksandra Szcześ, Istvan Szilagyi. Formulation of Antioxidant Composites by Controlled Heteroaggregation of Cerium Oxide and Manganese Oxide Nanozymes. The Journal of Physical Chemistry C 2023, 127 (34) , 17201-17212. https://doi.org/10.1021/acs.jpcc.3c03964

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