Dergiler / Turkish Journal of Chemistry / 2011 / Cilt: 35 - Sayı: 3

Voltammetric behavior of indole-3-acetic acid and kinetin at pencil-lead graphite electrode and their simultaneous determination in the presence of anionic surfactant

Sayfa
413–426
Yayın Tarihi
2011-03-01
DOI
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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

Applicability to assays of maize plant extracts was illustrated.

📌 3 Maddede Bu Makale

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Amaç & Hipotez:A method was developed for the simultaneous determination of indole-3-acetic acid (IAA) and kinetin, based on the oxidation of both phytohormones at a pencil-lead graphite electrode.
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Temel Bulgular & Veri:The electrochemical behaviors were examined by cyclic, linear sweep, and square-wave voltammetry in the pH range of 2-12.
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Sonuç & Katkı:Applicability to assays of maize plant extracts was illustrated.
🔬Tür:Araştırma Makalesi
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Phytohormones · indole-3-acetic acid · kinetin

Özet

A method was developed for the simultaneous determination of indole-3-acetic acid (IAA) and kinetin, based on the oxidation of both phytohormones at a pencil-lead graphite electrode. The electrochemical behaviors were examined by cyclic, linear sweep, and square-wave voltammetry in the pH range of 2-12. In Britton-Robinson buffer solution (pH 6), the oxidation peaks of IAA and kinetin are well separated by square-wave voltammetry. By adding an anionic surfactant (sodium dodecylsulfate) in a concentration of 50 m M, the sensitivity of kinetin was increased significantly without reducing the resolution. The detection limits were 0.14 and 0.11 m M (24.53 and 23.67 ng mL-1) for IAA and kinetin, respectively. Applicability to assays of maize plant extracts was illustrated.

Abstract

A method was developed for the simultaneous determination of indole-3-acetic acid (IAA) and kinetin, based on the oxidation of both phytohormones at a pencil-lead graphite electrode. The electrochemical behaviors were examined by cyclic, linear sweep, and square-wave voltammetry in the pH range of 2-12. In Britton-Robinson buffer solution (pH 6), the oxidation peaks of IAA and kinetin are well separated by square-wave voltammetry. By adding an anionic surfactant (sodium dodecylsulfate) in a concentration of 50 m M, the sensitivity of kinetin was increased significantly without reducing the resolution. The detection limits were 0.14 and 0.11 m M (24.53 and 23.67 ng mL-1) for IAA and kinetin, respectively. Applicability to assays of maize plant extracts was illustrated.

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Bu Makaleye Atıf Yap

YARDIM, Y., ŞENTÜRK, Z. (2011). Voltammetric behavior of indole-3-acetic acid and kinetin at pencil-lead graphite electrode and their simultaneous determination in the presence of anionic surfactant. Turkish Journal of Chemistry, Cilt: 35 - Sayı: 3, 413–426. https://ajindex.com/articles/185360

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