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Ionic liquids based on imidazole for online concentration of catecholamines in capillary electrophoresis. / Bessonova, Elena; Kartsova, Liudmila; Gallyamova, Valeria.

In: Journal of Separation Science, Vol. 40, No. 10, 05.2017, p. 2304-2311.

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Bessonova, Elena ; Kartsova, Liudmila ; Gallyamova, Valeria. / Ionic liquids based on imidazole for online concentration of catecholamines in capillary electrophoresis. In: Journal of Separation Science. 2017 ; Vol. 40, No. 10. pp. 2304-2311.

BibTeX

@article{5e16a02074cc4941b224d5b41f3e8d1b,
title = "Ionic liquids based on imidazole for online concentration of catecholamines in capillary electrophoresis",
abstract = "Potential possibilities of long-chain ionic liquids based on imidazole (1-dodecyl-3-methylimidazolium chloride and 1-cetyl-3-methylimidazolium chloride) for online sample concentration techniques (field-amplified sample stacking, head-column field-amplified sample stacking, and sweeping) of catecholamines were studied in both capillary zone electrophoresis and micellar electrokinetic chromatography. The use of a high-conductivity sample matrix in sweeping was found to significantly increase the separation efficiency of analyte up to 2 × 106 theoretical plates per meter and remarkably reduce limits of detection for catecholamines up to 50 ng/mL. This approach was shown to be suitable for the determination of trace amounts of catecholamines in biological fluids.",
keywords = "capillary electrophoresis, catecholamines, ionic liquids, online concentration",
author = "Elena Bessonova and Liudmila Kartsova and Valeria Gallyamova",
note = "Funding Information: The authors are thankful to the Russian Federation for Basic Research for financial support (grant no. 16-03-00791-?). We are also grateful to the Chemistry Educational Centre of Research Park, Saint Petersburg State University, for technical support. Publisher Copyright: {\textcopyright} 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Copyright: Copyright 2018 Elsevier B.V., All rights reserved.",
year = "2017",
month = may,
doi = "10.1002/jssc.201601394",
language = "English",
volume = "40",
pages = "2304--2311",
journal = "Journal of Separation Science",
issn = "1615-9306",
publisher = "Wiley-Blackwell",
number = "10",

}

RIS

TY - JOUR

T1 - Ionic liquids based on imidazole for online concentration of catecholamines in capillary electrophoresis

AU - Bessonova, Elena

AU - Kartsova, Liudmila

AU - Gallyamova, Valeria

N1 - Funding Information: The authors are thankful to the Russian Federation for Basic Research for financial support (grant no. 16-03-00791-?). We are also grateful to the Chemistry Educational Centre of Research Park, Saint Petersburg State University, for technical support. Publisher Copyright: © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Copyright: Copyright 2018 Elsevier B.V., All rights reserved.

PY - 2017/5

Y1 - 2017/5

N2 - Potential possibilities of long-chain ionic liquids based on imidazole (1-dodecyl-3-methylimidazolium chloride and 1-cetyl-3-methylimidazolium chloride) for online sample concentration techniques (field-amplified sample stacking, head-column field-amplified sample stacking, and sweeping) of catecholamines were studied in both capillary zone electrophoresis and micellar electrokinetic chromatography. The use of a high-conductivity sample matrix in sweeping was found to significantly increase the separation efficiency of analyte up to 2 × 106 theoretical plates per meter and remarkably reduce limits of detection for catecholamines up to 50 ng/mL. This approach was shown to be suitable for the determination of trace amounts of catecholamines in biological fluids.

AB - Potential possibilities of long-chain ionic liquids based on imidazole (1-dodecyl-3-methylimidazolium chloride and 1-cetyl-3-methylimidazolium chloride) for online sample concentration techniques (field-amplified sample stacking, head-column field-amplified sample stacking, and sweeping) of catecholamines were studied in both capillary zone electrophoresis and micellar electrokinetic chromatography. The use of a high-conductivity sample matrix in sweeping was found to significantly increase the separation efficiency of analyte up to 2 × 106 theoretical plates per meter and remarkably reduce limits of detection for catecholamines up to 50 ng/mL. This approach was shown to be suitable for the determination of trace amounts of catecholamines in biological fluids.

KW - capillary electrophoresis

KW - catecholamines

KW - ionic liquids

KW - online concentration

UR - http://www.scopus.com/inward/record.url?scp=85018911030&partnerID=8YFLogxK

U2 - 10.1002/jssc.201601394

DO - 10.1002/jssc.201601394

M3 - Article

C2 - 28371456

AN - SCOPUS:85018911030

VL - 40

SP - 2304

EP - 2311

JO - Journal of Separation Science

JF - Journal of Separation Science

SN - 1615-9306

IS - 10

ER -

ID: 9453321