Design of Surface‐Active Artificial Enzyme Particles to Stabilize Pickering Emulsions for High‐Performance Biphasic Biocatalysis

Chen, Zhaowei; Zhao, Chuanqi; Ju, Enguo; Ji, Haiwei; Ren, Jinsong; Binks, Bernard P.; Qu, Xiaogang

doi:10.1002/adma.201504557

Cited by 134 publications

(84 citation statements)

References 51 publications

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“…Furthermore, based on the absorption signal contained in the organic phase, the amount of product within the emulsion was at least six‐fold higher than those obtained in neat biphasic systems and pure solvents (Figure e). According to previous reports,, we reasoned that the observed better catalytic activity for the Pickering emulsion system was owing to the enlarged biphasic contact areas and less mass‐transport resistance.…”

Section: Methodsmentioning

confidence: 73%

Assembling Two‐Phase Enzymatic Cascade Pathways in Pickering Emulsion

et al. 2019

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The design of enzymatic cascade pathways in biphasic systems with high efficiency is still a big challenge. Herein, we report a simple and efficient strategy for one‐pot biphasic tandem reactions by positioning distinct biocatalysts in spatially separate domains of Pickering emulsion. Due to the large interfacial area and the stability of Pickering interfacial biocatalysts, the as‐obtained Pickering emulsion system was confirmed as a nice microreactor with highly enhanced catalytic performance. Furthermore, in this hybrid catalytic system, unconventional computing relied on enzymatic cascade reactions can be performed. Such Pickering emulsion‐based logic system offers several distinctive advantages, including less “cross‐talk” and signal amplification. We believe that our result will have critical applications in future biocatalysis, nanomachines, smart diagnostics, intelligent drug delivery, nanomechanical, and electronics.

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Section: Methodsmentioning

confidence: 73%

Assembling Two‐Phase Enzymatic Cascade Pathways in Pickering Emulsion

et al. 2019

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“…Stimuli‐responsive microcontainer systems are of considerable interest in drug delivery, gene delivery, anticorrosive materials, confined‐space catalysis, and self‐healing materials, among other applications . Although a variety of stimuli‐responsive microcontainers have been successfully developed by diverse chemical and physical methods, most can only encapsulate and release one kind of payload .…”

Section: Figurementioning

confidence: 99%

Synthesis of Dual‐Stimuli‐Responsive Microcontainers with Two Payloads in Different Storage Spaces for Preprogrammable Release

Cong

Chen

et al. 2017

Angewandte Chemie

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Stimuli-responsive microcontainers have become am ajor topic of interest, from fundamental aspects to applications in materials science.H owever,m icrocontainers that enable the loading of multiple species and programmable release are mostly unexplored. Herein, we describe the design and synthesis of ad ual-responsive organic/inorganic hybrid microcontainer with two payloads in separate storage spaces that is formed by the rapid UV-initiated polymerization of Pickering emulsions.The stellate mesopore silica nanoparticles with poly(N-isopropylacrylamide) grafted inside the mesopores were loaded with one compound (Nile red) and used as Pickering emulsifiers to stabilizeo il-in-water droplets.U pon UV irradiation, pH-responsive monomers were polymerized in the presence of 5(6)-carboxyfluorescein diacetate (CFDA) to form hybrid colloidal microcontainers.The release of Nile red and CFDAc ould be selectively activated by changing the temperature or pH value.

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“…The control of Pickering emulsions plays a pivotal part in many significant processes, for example, oil extraction and recovery [29,30], emulsion polymerization [31,32,33,34], and heterogeneous catalysis [35,36,37]. In this regard, many endeavors have been made in developing controllable Pickering emulsions.…”

Section: Introductionmentioning

confidence: 99%

Tuning Amphiphilicity of Particles for Controllable Pickering Emulsion

Wang

2016

Materials

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Pickering emulsions with the use of particles as emulsifiers have been extensively used in scientific research and industrial production due to their edge in biocompatibility and stability compared with traditional emulsions. The control over Pickering emulsion stability and type plays a significant role in these applications. Among the present methods to build controllable Pickering emulsions, tuning the amphiphilicity of particles is comparatively effective and has attracted enormous attention. In this review, we highlight some recent advances in tuning the amphiphilicity of particles for controlling the stability and type of Pickering emulsions. The amphiphilicity of three types of particles including rigid particles, soft particles, and Janus particles are tailored by means of different mechanisms and discussed here in detail. The stabilization-destabilization interconversion and phase inversion of Pickering emulsions have been successfully achieved by changing the surface properties of these particles. This article provides a comprehensive review of controllable Pickering emulsions, which is expected to stimulate inspiration for designing and preparing novel Pickering emulsions, and ultimately directing the preparation of functional materials.

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Design of Surface‐Active Artificial Enzyme Particles to Stabilize Pickering Emulsions for High‐Performance Biphasic Biocatalysis

Cited by 134 publications

References 51 publications

Assembling Two‐Phase Enzymatic Cascade Pathways in Pickering Emulsion

Assembling Two‐Phase Enzymatic Cascade Pathways in Pickering Emulsion

Synthesis of Dual‐Stimuli‐Responsive Microcontainers with Two Payloads in Different Storage Spaces for Preprogrammable Release

Tuning Amphiphilicity of Particles for Controllable Pickering Emulsion

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