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A novel nanospray liquid junction interface for versatile CE-MS

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    0467686 - ÚIACH 2017 RIV CZ eng C - Conference Paper (international conference)
    Křenková, Jana - Haselberg, R. - Somsen, G. W. - Foret, František
    A novel nanospray liquid junction interface for versatile CE-MS.
    CECE 2016. 13th International Interdisciplinary Meeting on Bioanalysis. Brno: Ústav analytické chemie AV ČR, v. v. i., 2016 - (Foret, F.; Křenková, J.; Drobníková, I.; Klepárník, K.), s. 28-28. ISBN 978-80-904959-4-4.
    [CECE 2016. International Interdisciplinary Meeting on Bioanalysis /13./. Brno (CZ), 17.10.2016-19.10.2016]
    R&D Projects: GA ČR(CZ) GBP206/12/G014; GA ČR(CZ) GJ16-09283Y
    Institutional support: RVO:68081715
    Keywords : capillary electrophoresis * mass spectrometry * liquid junction interface
    Subject RIV: CB - Analytical Chemistry, Separation

    In this work we present a new polyimide-based liquid junction nanospray interface, combining the advantages of sheath flow and sheathless designs. The liquid junction interface was prepared as a hybrid microfabricated plastic liquid junction sprayer allowing to perform analysis in standard (30-100 micro m ID) separation capillaries. The interface incorporates a self-aligning port for coupling of the separation capillary as well as ports for automated flushing of both the liquid junction and the separation capillary. The interface permits performing CE both with and without electroosmotic flow. The use of large bore capillaries allows injection and preconcentration of larger sample volumes, favoring detection sensitivity. Different compositions of the spray liquid and BGE can be used when needed.
    Permanent Link: http://hdl.handle.net/11104/0265739

     
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