Journals / Hacettepe Journal of Biology and Chemistry / 2017 / Cilt: 45 - Sayı: 3

Gold Nanoparticle and Poly(arginine) Modified GCE for Simultaneous Determination of Hydroquinone and Catechol

Altın Nanopartikül ve Poli(arjinin) Modifiye Camsı Karbon Elektrot ile Hidrokinon ve Katekolün Eş Zamanlı Tayini

Pages
443–451
Publication Date
2022-10-17
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The prepared sensor is a suitable tool with low cost for the rapid analysis of HQ and CC in the real samples with high recoveries.

📌 3 Key Takeaways

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Objective & Hypothesis:In this work, a novel electrochemical sensor based on gold nanoparticle (AuNP) and poly(L-arginine) (P(AG)) modified glassy carbon electrode (GCE) (GCE/AuNP/P(AG)) was designed to determine hydroquinone (HQ) and catechol (CC).
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Key Findings & Data:The linear working ranges of HQ and CC were in the concentration range of 5.0 to 600.0 µmol L-1 with the detection limits of 1.5 and 1.42 µmol L-1 , respectively.
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Conclusion & Impact:The prepared sensor is a suitable tool with low cost for the rapid analysis of HQ and CC in the real samples with high recoveries.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

In this work, a novel electrochemical sensor based on gold nanoparticle (AuNP) and poly(L-arginine) (P(AG)) modified glassy carbon electrode (GCE) (GCE/AuNP/P(AG)) was designed to determine hydroquinone (HQ) and catechol (CC). Scanning electron microscopy (SEM), cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) were utilized to characterize the GCE/AuNP/P(AG). Differential pulse voltammetry (DPV) results revealed that the modified GCE represented high selectivity for the simultaneous determination of HQ and CC. The linear working ranges of HQ and CC were in the concentration range of 5.0 to 600.0 µmol L-1 with the detection limits of 1.5 and 1.42 µmol L-1 , respectively. The prepared sensor is a suitable tool with low cost for the rapid analysis of HQ and CC in the real samples with high recoveries.

Özet

Bu çalışmada, hidrokinon (HQ) ve katekolün (CC) tayini için altın nanopartikül (AuNP) ve poli(L-arjinin) (P(AG)) modifiye edilmiş camsı karbon elektrot (GCE) (GCE/AuNP/P(AG)) temelli yeni bir elektrokimyasal sensör tasarlandı. Taramalı elektron mikroskobu (SEM), dönüşümlü voltametri (DV) ve elektrokimyasal impedans spektroskopisi (EİS) GCE/AuNP/P(AG)’yi karakterize etmek için kullanıldı. Diferansiyel puls voltametrisi sonuçları modifiye elektrodun hidrokinon ve katekolün eş zamanlı tayini için yüksek duyarlılık ve hassasiyet gösterdi. HQ ve CC’nin doğrusal çalışma aralığı 5.0 ile 600.0 µmol L-1 arasında ve gözlenebilme sınırları sırasıyla 1.5 ve 1.42 µmol L-1 olarak bulundu. Hazırlanan sensör hidrokinon ve katekolün gerçek örneklerde hızlı analizi için yüksek geri kazanımla düşük maliyetli uygun bir araç olarak önerildi.

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Cite This Article

TIĞ, G. A. (2022). Gold Nanoparticle and Poly(arginine) Modified GCE for Simultaneous Determination of Hydroquinone and Catechol. Hacettepe Journal of Biology and Chemistry, Cilt: 45 - Sayı: 3, 443–451. https://ajindex.com/articles/529097

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