Incorporation of zeolitic imidazolate framework (ZIF-8)-derived nanoporous carbons in methacrylate polymeric monoliths for capillary electrochromatography.

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2017
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Abstract
A series of metal organic frameworks-derived nanoporous carbons originating from zeolitic imidazolate framework-8 (ZIF-8) crystals as precursors have been prepared via varying the preparation conditions. The ZIF-8-derived carbons were subsequently admixed in the methacrylate monomers containing polymerization mixtures and polymerized to obtain monolithic columns for capillary electrochromatography (CEC). The effect of particle size and content of the ZIF-8-derived carbon materials in the polymerization mixture on the performance of the hybrid monolithic columns was investigated in detail. The resulting composites were characterized using scanning electron microscopy. Using short time UV-initiated polymerization, monolithic beds with homogenously dispersed ZIF-8-derived carbons were obtained. The chromatographic performance of these composites was demonstrated with separations of polycyclic aromatic hydrocarbons and non-steroidal anti-inflammatory drugs as test solutes. The incorporation of the ZIF-8-derived carbons into the organic polymer monoliths led to an increase in the retention of all the analytes compared to the parent monolith. Finally, the hybrid monolithic columns exhibited satisfactory run-to-run and batch-to-batch reproducibility.
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carrasco-correa2017incorporation Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Carrasco-Correa, Enrique Javier;Martínez-Vilata, Andrea;Herrero-Martínez, José Manuel;Parra, José B;Maya, Fernando;Cerdà, Victor;Cabello, Carlos Palomino;Palomino, Gemma Turnes;Svec, Frantisek;
Journal Talanta
Year 2017
DOI
S0039-9140(16)30898-0
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