Počet záznamů: 1  

Transfer of heparin polyion across a polarized water/ionic liquid membrane interface

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    0379900 - ÚFCH JH 2013 RIV NL eng J - Článek v odborném periodiku
    Langmaier, Jan - Samec, Zdeněk - Samcová, E. - Tůma, P.
    Transfer of heparin polyion across a polarized water/ionic liquid membrane interface.
    Electrochemistry Communications. Roč. 24, OCT 2012 (2012), s. 25-27. ISSN 1388-2481. E-ISSN 1873-1902
    Grant CEP: GA ČR GAP206/11/0707
    Institucionální podpora: RVO:61388955
    Klíčová slova: heparin polyion * ionic liquid membrane * amperometric detection
    Kód oboru RIV: CG - Elektrochemie
    Impakt faktor: 4.425, rok: 2012

    Cyclic voltammetry is used to investigate the transfer of heparin polyion across the interface between water and the ionic liquid (IL) membrane composed of tridodecylmethylammonium cation (TDMA+) and tetrakis[3,5-bis(trifluoromethyl) phenyl]borate anion (TFPB−). Study reveals a tunable effect of the semihydrophobic tetraalkylammonium cations (TAA+) present at trace concentrations in the aqueous solution containing heparin. Theoretical considerations based on the mixed-potential concept and experimental evidence suggest that the TAA+ cations promote the extraction of heparin into the IL phase, from which heparin can be stripped off by applied potential providing a well-separated current signal. A new method for the amperometric detection of heparin is proposed.
    Trvalý link: http://hdl.handle.net/11104/0210756

     
     
Počet záznamů: 1  

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