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Voltammetric determination of plant hormone indole-3-butyric acid in acidic media employing boron-doped diamond electrode
Year: 2019
Type of publication: článek v odborném periodiku
Name of source: Monatshefte fur Chemie
Publisher name: Springer
Place: Heidelberg
Page from-to: 443-449
Titles:
Language Name Abstract Keywords
cze Voltametrické stanovení rostlinného hormonu kyseliny indol-3-máselné v kyselém prostředí s využitím elektrody z borem dopovaného diamantu Jednoduchá metoda založená na diferenční pulzní voltametrii v kombinaci s elektrodou z borem dopovaného diamantu byla vyvinuta pro rychlé a přesné stanovení kyseliny indol-3-máselné (IBA). Produkty redukce byly identifikovány pomocí nukleární magnetické resonance a hmotnostní spektrometrie a byl navržen mechanismus redukce studovaného fytohormonu. Kyselina indol-3-máselná; Voltametrie; Elektrochemie; Hmotnostní spektrometrie; Nukleární magnetická resonance; Fytochemie
eng Voltammetric determination of plant hormone indole-3-butyric acid in acidic media employing boron-doped diamond electrode Simple voltammetric approach, based on differential pulse voltammetry in combination with boron-doped diamond electrode (BDDE) as a sensor, was developed for rapid and precise determination of indole-3-butyric acid (IBA). The proposed method was based on the knowledge of IBA behavior in the acidic media, which was examined by nuclear magnetic resonance and mass spectrometry. Two distinctive products were identified. Therefore, one voltammetric double signal belonging probably to the oxidation of the IBA transformation products was recorded on a bare BDDE in medium of 0.6moldm(-3) H2SO4. Parameters of differential pulse voltammetry were optimized and under the found conditions, it was reached good sensitivity, which enabled monitoring of phytohormones level in synthetic growth stimulators with sufficient results. Indole-3-butyric acid; Voltammetry; Electrochemistry; Mass spectrometry; Nuclear magnetic resonance; Phytochemistry

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