Voltammetric and amperometric determination of doxorubicin using carbon paste electrodes

Zuzana Jemelková, Jiří Zima, Jiří Barek

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Direct current voltammetric (DCV) and differential pulse voltammetric (DPV) determination of antineoplastic agent doxorubicin (DOX) at a carbon paste electrode (CPE) was developed. Britton-Robinson buffer (pH 7.0) was used as a supporting electrolyte. The limits of detec-tion are 8 x 10-7 mol l-1(DCV) and 6 x 10-8 mol l-1 (DPV). The accumulation of DOX at the electrode surface was used to decrease the limits of detection down to 2.2 x 10-7 mol l-1 for adsorptive stripping DC voltammetry (DCAdSV) and 2.8 x 10-9 mol l-1 for adsorptive strip-ping differential pulse voltammetry (DPAdSV) at CPE. The results of the voltammetric meth-ods were utilized for the development of a new determination of doxorubicin using HPLC with amperometric detection on CPE based on spherical microparticles of glassy carbon in a wall-jet configuration. A column with chemically bonded C18 stationary phase and a mobile phase containing 0.01 M phosphate buffer (pH 5.0)-methanol 25:75 (v/v) were used. The limit of detection is 4 x 10-7 mol l-1 (HPLC with electrochemical detection (ED)).

Original languageEnglish
Pages (from-to)1503-1515
Number of pages13
JournalCollection of Czechoslovak Chemical Communications
Volume74
Issue number10
DOIs
Publication statusPublished - 1 Oct 2009
Externally publishedYes

Fingerprint

Ointments
Doxorubicin
Carbon
Electrodes
Voltammetry
Buffers
Glassy carbon
Antineoplastic Agents
Electrolytes
Methanol
Phosphates

Keywords

  • Carbon paste electrode
  • Differential pulse voltammetry
  • Direct current voltammetry
  • Doxorubicin
  • Hplc with amperometric detection

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Voltammetric and amperometric determination of doxorubicin using carbon paste electrodes. / Jemelková, Zuzana; Zima, Jiří; Barek, Jiří.

In: Collection of Czechoslovak Chemical Communications, Vol. 74, No. 10, 01.10.2009, p. 1503-1515.

Research output: Contribution to journalArticle

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