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On UV-Vis Spectroelectrochemistry of Luteolin-7-O-Glucoside
- 1.0505245 - ÚFCH JH 2021 RIV CZ eng C - Konferenční příspěvek (zahraniční konf.)
Castano, A. - Sokolová, Romana - Degano, I.
On UV-Vis Spectroelectrochemistry of Luteolin-7-O-Glucoside.
XXXIX. Moderní elektrochemické metody. Sborník přednášek. Ústí nad Labem: Best Servis, 2019 - (Navrátil, T.; Fojta, M.; Schwarzová, K.), s. 31-35. ISBN 978-80-905221-7-6.
[Moderní elektrochemické metody /39./. Jetřichovice (CZ), 20.05.2019-24.05.2019]
Grant CEP: GA ČR(CZ) GA19-03160S
Institucionální podpora: RVO:61388955
Klíčová slova: spectroelectrochemistry * oxidation * luteolin * antioxidants
Obor OECD: Physical chemistry
The UV-Vis spectroelectrochemical cell containing an optically transparent platinum net used as the working electrode was tested in two regimes of electrochemical measurement, cyclic voltammetry and chronoamperometry, respectively. A three electrode setup used silver quasi reference electrode and platinum electrode serving as a counter electrode. The calibration of the spectroelectrochemical cell was performed for one-electron oxidation processes as well as for two-electron oxidations. The spectral changes during the oxidation of luteolin-7-O-Glucoside gave the information about the electroactive chromophores in molecule. Resulted spectra were compared with luteolin. The identification of products of oxidation was done by complementary analytical techniques HPLC-DAD and HPLC-ESI-MS/MS.
Trvalý link: http://hdl.handle.net/11104/0296729
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