Articles with "capillary columns" as a keyword



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In‐situ photopolymerized polyhedral oligomeric silsesquioxane‐derived monolithic capillary columns with quinidine functionality for enantioseparation by nano‐liquid chromatography

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Published in 2019 at "ELECTROPHORESIS"

DOI: 10.1002/elps.201900316

Abstract: The successful fabrication of monolithic capillary columns for enantiomer separations was achieved within vinylized fused silica capillaries via fast “one‐pot” photo‐initiated free radical polymerization reaction. A mixture consisting of polyhedral oligomeric silsesquioxane, O‐[2‐(methacryloyloxy)ethylcarbamoyl]‐10,11‐dihydroquinidine was copolymerized… read more here.

Keywords: monolithic capillary; oligomeric silsesquioxane; capillary columns; situ photopolymerized ... See more keywords
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Fabrication of monolithic capillary columns with inner diameter 50-530 μm employing a mixture of pentaerythritol tetraacrylate and polyhedral oligomeric silsesquioxane-methacrylate as crosslinkers.

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Published in 2022 at "Journal of separation science"

DOI: 10.1002/jssc.202200176

Abstract: Highly crosslinked monolithic capillary columns with inner diameters in the range of 50-530 μm were prepared by radical polymerization of pentaerythritol tetraacrylate, polyhedral oligomeric silsesquioxane-methacrylate, and n-octadecyl methacrylate in the presence of methanol, dodecyl alcohol, and… read more here.

Keywords: methacrylate; monolithic capillary; pentaerythritol tetraacrylate; polyhedral oligomeric ... See more keywords
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Effect of carbon nanohorns in the radical polymerization of methacrylate monolithic capillary columns and their application as extractant phases.

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Published in 2019 at "Talanta"

DOI: 10.1016/j.talanta.2018.08.054

Abstract: A successful copolymerization of the single-walled carbon nanohorns (SWNHs) with methacrylate monomers was achieved via thermal initiated free-radical polymerization because of the high reactivity of the SWNHs in comparison with other carbon nanostructures. The hybrid… read more here.

Keywords: monolithic capillary; polymerization; carbon; carbon nanohorns ... See more keywords
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Electrochemically Modulated Liquid Chromatography in Fused Silica Capillary Columns.

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Published in 2019 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.9b03581

Abstract: Electrochemically modulated liquid chromatography (EMLC) uses electrical potentials, applied to a conductive chromatographic stationary phase (e.g., porous graphitic carbon [PGC]), to manipulate analyte retention. This paper reports the design of a capillary EMLC column with… read more here.

Keywords: capillary columns; electrochemically modulated; emlc; liquid chromatography ... See more keywords
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The separation of triacylglycerols using unpolar and medium polar capillary columns

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Published in 2018 at "Czech Journal of Food Sciences"

DOI: 10.17221/10633-cjfs

Abstract: Commercial by supplied triacylglycerols and synthesized triacylglycerols were used in this project. Analysed triacylglycerols with the range of carbon number (CN) 24-54 consisted of saturated and unsaturated fatty acids. Two capillary columns were used in… read more here.

Keywords: capillary columns; medium polar; separation triacylglycerols; optima ... See more keywords