Dopa and tyrosine enantiomers migration order reversal using uncoated and polypyrrole coated capillaries

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F10%3A10216002" target="_blank" >RIV/61989592:15310/10:10216002 - isvavai.cz</a>

Result on the web

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DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Dopa and tyrosine enantiomers migration order reversal using uncoated and polypyrrole coated capillaries

Original language description

A simple method for reversing migration order of enantiomers is presented. An uncoated and polypyrrole coated capillary modified with dextran sulfate (PP/DS) are used in the background electrolyte of low pH, resulting in different velocities of the electroosmotic flow. An enantioseparation of D,L-Dopa and D,L-tyrosine as model analytes is shown utilizing sulfated-ß-cyclodextrin as the chiral selector. Reversal of migration order was achieved in the two different capillaries by applying voltage of opposite polarities in each capillary. The best separation conditions were 0.02 mol.L-1 phosphoric acid (pH 2.0) and 2% S-ß-CD for both capillaries.

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

CB - Analytical chemistry, separation

OECD FORD branch

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Project

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Continuities

S - Specificky vyzkum na vysokych skolach

Publication year

2010

Confidentiality

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

Name of the periodical

Global Journal of Analytical Chemistry

ISSN

0976-5514

e-ISSN

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Volume of the periodical

1

Issue of the periodical within the volume

3

Country of publishing house

IN - INDIA

Number of pages

5

Pages from-to

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UT code for WoS article

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EID of the result in the Scopus database

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