Articles with "open tubular" as a keyword



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In situ growth of Zr‐based metal‐organic framework UiO‐66‐NH2 for open‐tubular capillary electrochromatography

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Published in 2018 at "ELECTROPHORESIS"

DOI: 10.1002/elps.201800057

Abstract: The high stability and other properties of Zr(IV)‐based metal organic frameworks(MOFs) make it a promising choice for chromatographic separation, while the application in open‐tubular capillary electrochromatography (OT‐CEC) separation has not been explored yet. Herein, we… read more here.

Keywords: uio nh2; open tubular; tubular capillary; capillary electrochromatography ... See more keywords
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Open tubular capillary column of 50 μm internal diameter with a very high separation efficiency for the separation of peptides in CEC and LC.

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Published in 2017 at "Journal of separation science"

DOI: 10.1002/jssc.201700242

Abstract: A specially designed long open tubular capillary column (50 μm internal diameter and 112 cm effective length) was prepared by fabrication of a thin three-component co-polymer layer on the inner surface of silica capillary. A pretreated silica… read more here.

Keywords: open tubular; column; tubular capillary; separation efficiency ... See more keywords
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Preparation and evaluation of open-tubular capillary column combining a metal-organic framework and a brush-shaped polymer for liquid chromatography.

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Published in 2018 at "Journal of separation science"

DOI: 10.1002/jssc.201800121

Abstract: In this work, an open-tubular capillary liquid-phase column was prepared by modifying chain polymer on the inner surface of capillary and chemical bonding of metal organic frameworks, NH2 -UiO-66, to the brushes of chain polymer… read more here.

Keywords: nh2 uio; open tubular; column; tubular capillary ... See more keywords
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A novel open-tubular capillary electrochromatography using carboxymethyl-β-cyclodextrin functionalized gold nanoparticles as chiral stationary phase.

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Published in 2019 at "Journal of separation science"

DOI: 10.1002/jssc.201900733

Abstract: Enantioselective open tubular capillary electrochromatography with carboxymethyl-β-cyclodextrin conjugated gold nanoparticles as stationary phase was first developed. This novel open tubular column was fabricated through layer-by-layer self-assembly of gold nanoparticles on a 3-mercaptopropyl-trimethoxysilane-modified fused-silica capillary and… read more here.

Keywords: open tubular; gold nanoparticles; tubular capillary; column ... See more keywords
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Preparation of a thiols β-cyclodextring/gold nanoparticles-coated open tubular column for capillary electrochromatography enantioseparations.

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Published in 2020 at "Journal of separation science"

DOI: 10.1002/jssc.201901323

Abstract: Inspired by the distinct chemical and physical properties of nanoparticles, here a novel open-tubular capillary electrochromatography column was prepared by electrostatic assembly of poly (diallydimethylammonium chloride) onto the inner surface of a fused-silica capillary, followed… read more here.

Keywords: open tubular; gold nanoparticles; column; microscopy ... See more keywords
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Open tubular capillary column immobilized with sulfobutylether-β-cyclodextrin for chiral separation in capillary electrochromatography.

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Published in 2021 at "Journal of separation science"

DOI: 10.1002/jssc.202100037

Abstract: A novel chiral open tubular capillary column was fabricated with sulfobutylether-β-cyclodextrin and glycidyl methacrylate for enantioseparation in capillary electrochromatography. First, the pretreated silica-fused capillary was treated with 3-trimethoxysilyl propyl methacrylate to attach double bond ligand… read more here.

Keywords: open tubular; column; tubular capillary; sulfobutylether cyclodextrin ... See more keywords
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Preparation of open tubular capillary column covalently coated with polystyrene sulfonate with 4,4'-azobis (4-cyanopentanoyl chloride) as polymerization initiator for electrochromatographic separation of alkaloids, sulfonamides and peptides.

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Published in 2023 at "Journal of separation science"

DOI: 10.1002/jssc.202200711

Abstract: An open tubular capillary electrochromatography column covalently bonded with polystyrene sulphonate was prepared via in situ polymerization using functionalized azo-initiator 4,4'-Azobis(4-cyanopentanoyl chloride). Scanning electron, fluorescence and atomic force microscopy techniques showed the formation of a… read more here.

Keywords: separation alkaloids; spectroscopy; initiator; open tubular ... See more keywords
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Design of five‐layer gold nanoparticles self‐assembled in a liquid open tubular column for ultrasensitive nano‐LC‐MS/MS proteomic analysis of 80 living cells

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Published in 2017 at "PROTEOMICS"

DOI: 10.1002/pmic.201600463

Abstract: In this work, for the first time, a liquid open tubular column modified by five‐layer gold nanoparticles and linked with C18 (GNPs@C18) was designed and fabricated for nano‐LC‐MS/MS analysis of 80 living cells. Sixty nanometer… read more here.

Keywords: open tubular; gold nanoparticles; layer; tubular column ... See more keywords
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Aptamer-immobilized open tubular capillary column to capture circulating tumor cells for proteome analysis.

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Published in 2017 at "Talanta"

DOI: 10.1016/j.talanta.2017.07.041

Abstract: Circulating tumor cells hold the key to predicting the prognosis and discovering the therapeutic targets. Herein, we proposed a strategy to develop an aptamer-immobilized open tubular capillary column by which SMMC-7721 human hepatoma cells (SMMC-7721… read more here.

Keywords: open tubular; column; aptamer immobilized; tumor cells ... See more keywords
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Open-tubular admicellar electrochromatography of charged analytes.

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Published in 2020 at "Talanta"

DOI: 10.1016/j.talanta.2019.120401

Abstract: Fundamental studies on the separation of cationic and anionic analytes in open-tubular admicellar electrochromatography (OT-AMEC) using cetyltrimethylammonium bromide (CTAB) and fused silica capillaries are presented. OT-AMEC was compared with open-tubular admicellar liquid chromatography (OT-AMLC) by… read more here.

Keywords: tubular admicellar; open tubular; ctab; amec ... See more keywords