Pickering emulsion-based biomimetic microreactors

IF 6.4 2区材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY Materials Chemistry Frontiers Pub Date : 2025-03-11 DOI:10.1039/D5QM00079C

Xiao Xu, Min Zhou, Ting Wu, Zhaowei Chen and Huanghao Yang

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Abstract

Pickering emulsions are dispersions of two immiscible liquids stabilized by surface-active colloidal nano-/microparticles. Their compartmentalized structures closely resemble the characteristics of cellular and subcellular systems, enabling the development of biomimetic microreactors that enhance catalytic processes. By enlarging interfacial areas while effectively partitioning reactants into their preferred phases, Pickering emulsion-based microreactors improve kinetic parameters and prevent unwanted interactions. The adaptability of Pickering emulsions is further augmented through modifications to the properties and composition of the particle emulsifiers, rendering them multifunctional and facilitating efficient reactions between immiscible phases, such as oil and water, especially when the emulsifiers themselves act as catalysts. This review summarizes recent advances in Pickering emulsion-based biomimetic microreactors, focusing on the versatile choice of various particles, design principles, and their applications in facilitating biphasic catalysis in a biomimetic way. We also discuss the challenges and future perspectives for further refining these microreactors for enhanced biphasic catalytic processes.

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皮克林乳化仿生微反应器

皮克林乳剂是两种不混溶液体的分散体，由表面活性胶体纳米/微粒稳定。它们的区隔结构与细胞和亚细胞系统的特征非常相似，使仿生微反应器的发展能够增强催化过程。通过扩大界面面积，同时有效地将反应物划分为首选相，Pickering乳化微反应器改善了动力学参数并防止了不必要的相互作用。通过修改颗粒乳化剂的性质和组成，皮克林乳液的适应性进一步增强，使其具有多功能，并促进油和水等非混相之间的有效反应，特别是当乳化剂本身充当催化剂时。本文综述了近年来皮克林乳化仿生微反应器的研究进展，重点介绍了各种颗粒的选择、设计原理及其在促进仿生双相催化方面的应用。我们还讨论了进一步改进这些微反应器以增强双相催化过程的挑战和未来前景。

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来源期刊

Materials Chemistry Frontiers Materials Science-Materials Chemistry

CiteScore

12.00

自引率

2.90%

发文量

313

期刊介绍： Materials Chemistry Frontiers focuses on the synthesis and chemistry of exciting new materials, and the development of improved fabrication techniques. Characterisation and fundamental studies that are of broad appeal are also welcome. This is the ideal home for studies of a significant nature that further the development of organic, inorganic, composite and nano-materials.