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      Recent advances in separation applications of polymerized high internal phase emulsions

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          Covalent organic frameworks for separation applications

          This review article comprehensively summarizes the recent progress in the development of covalent organic framework materials for separation applications. Covalent organic frameworks (COFs) are an emerging class of crystalline porous polymers with highly tuneable structures and functionalities. COFs have been proposed as ideal materials for applications in the energy-intensive field of molecular separation due to their notable intrinsic features such as low density, exceptional stability, high surface area, and readily adjustable pore size and chemical environment. This review attempts to highlight the key advancements made in the synthesis of COFs for diverse separation applications such as water treatment or the separation of gas mixtures and organic molecules, including chiral and isomeric compounds. Methods proposed for the fabrication of COF-based columns and continuous membranes for practical applications are also discussed in detail. Finally, a perspective regarding the remaining challenges and future directions for COF research in the field of separation has also been presented.
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            Molecularly Imprinted Polymers

            Molecularly imprinted polymers are synthetic receptors for a targeted molecule. As such, they are analogues of the natural antibody-antigen systems. In this review, after a recounting of the early history of the general field, we specifically focus on the application of these polymers as sensors. In these applications, the polymers are paired with a reporting system, which may be electrical, electrochemical, optical, or gravimetric. The presence of the targeted molecule effects a change in the reporting agent, and a calibrated quantity of the target is recorded. In this review, we describe the imprinted polymer production processes, the techniques used for reporting, and the applications of the reported sensors. A brief survey of recent applications to gas-phase sensing is included, but the focus is primarily on the development of sensors for targets in solution. Included among the applications are those designed to detect toxic chemicals, toxins in foods, drugs, explosives, and pathogens. The application of computational chemistry to the development of new imprinted polymers is included as is a brief assessment of future developments.
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              PolyHIPEs: Recent advances in emulsion-templated porous polymers

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                Author and article information

                Contributors
                Journal
                Journal of Separation Science
                J. Sep. Sci.
                Wiley
                1615-9306
                1615-9314
                January 2021
                September 29 2020
                January 2021
                : 44
                : 1
                : 169-187
                Affiliations
                [1 ]College of Biological and Environmental Engineering Changsha University Changsha P. R. China
                [2 ]Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials College of Chemistry and Bioengineering Guilin University of Technology Guilin P. R. China
                Article
                10.1002/jssc.202000612
                32845083
                3390b4ed-9f86-40ff-a895-cde09beb340d
                © 2021

                http://onlinelibrary.wiley.com/termsAndConditions#vor

                http://doi.wiley.com/10.1002/tdm_license_1.1

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