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Coaxial flow-gating interface for capillary electrophoresis

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11120%2F17%3A43913438" target="_blank" >RIV/00216208:11120/17:43913438 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216208:11310/17:10363645

  • Result on the web

    <a href="http://dx.doi.org/10.1002/jssc.201700412" target="_blank" >http://dx.doi.org/10.1002/jssc.201700412</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1002/jssc.201700412" target="_blank" >10.1002/jssc.201700412</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Coaxial flow-gating interface for capillary electrophoresis

  • Original language description

    A coaxial flow-gating interface is described in which the separation capillary passes through the sampling capillary. Continuous flow of the sample solution flowing out of the sampling capillary is directed away from the injection end of the separation capillary by counter-current flow of the gating solution. During the injection, the flow of the gating solution is interrupted, so that a plug of solution is formed at the inlet into the separation capillary, from which the sample is hydrodynamically injected. Flow-gating interfaces are originally designed for on-line connection of capillary electrophoresis with analytical flow-through methods. The basic properties of the described coaxial flow-gating interface were obtained in a simplified arrangement in which a syringe pump with sample solution has substituted analytical flow-through method. Under the optimized conditions, the properties of the tested interface were determined by separation of K+, Ba2+, Na+, Mg2+ and Li+ ions in aqueous solution at equimolar concentrations of 50 μM. The repeatability of the migration times and peak areas evaluated for K+, Ba2+ and Li+ ions and expressed as relative standard deviation did not exceed 1.4%. The interface was used to determine lithium in mineral water and taurine in an energy drink.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10406 - Analytical chemistry

Result continuities

  • Project

    <a href="/en/project/GA15-03139S" target="_blank" >GA15-03139S: New Electrophoretic Approaches in Studies of Obesity and Diabetes</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2017

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of Separation Science

  • ISSN

    1615-9306

  • e-ISSN

  • Volume of the periodical

    40

  • Issue of the periodical within the volume

    15

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    6

  • Pages from-to

    3138-3143

  • UT code for WoS article

    000407039600012

  • EID of the result in the Scopus database

    2-s2.0-85021275312