Journals / Hacettepe Journal of Biology and Chemistry / 2016 / Cilt: 44 - Sayı: 4

Hesperidin-dsDNA Interaction Based on Electrochemically Reduced Graphene Oxide and Poly-(2,6-Pyridinedicarboxylic Acid) Modified Glassy Carbon Electrode

Elektrokimyasal Olarak İndirgenmiş Grafen Oksit ve Poli(2,6- Piridindikarboksilik Asit) Modifiye Camsı Karbon Elektrot ile Hesperidin-Dsdna Tayini

Pages
487–497
Publication Date
2022-10-17
DOI
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AI Summary & Key Takeaways

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

The guanine oxidation peak currents were linearly proportional to the concentrations of the HDN in the range of in the range of 0.82-82 µM and detection limit was found to be 0.24 µM.

📌 3 Key Takeaways

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Objective & Hypothesis:I n this work, electrochemically reduced graphene oxide (ERGO) was deposited on a glassy carbon electrode (GCE) and poly(2,6-pyridinedicarboxylic acid) (P(PDCA)) as a second layer was electrosynthesized on ERGO modified GCE and then, the prepared electrode was used to immobilize dsDNA.
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Key Findings & Data:The decrease in the guanine oxidation peak current at +0.77 V was used as an indicator for the interaction in 0.5 M ABS (pH 4.8) containing 0.02 M NaCl.
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Conclusion & Impact:The guanine oxidation peak currents were linearly proportional to the concentrations of the HDN in the range of in the range of 0.82-82 µM and detection limit was found to be 0.24 µM.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

I n this work, electrochemically reduced graphene oxide (ERGO) was deposited on a glassy carbon electrode (GCE) and poly(2,6-pyridinedicarboxylic acid) (P(PDCA)) as a second layer was electrosynthesized on ERGO modified GCE and then, the prepared electrode was used to immobilize dsDNA. Electrochemical behaviour of GCE/ERGO/P(PDCA) was investigated by using cyclic voltammetry (CV) and compared with those of the bare GCE. Hesperidin (HDN), a promising anticancer agent, can be detected using GCE/ERGO/P(PDCA)/dsDNA biosensor using the differential pulse voltammetry (DPV). The decrease in the guanine oxidation peak current at +0.77 V was used as an indicator for the interaction in 0.5 M ABS (pH 4.8) containing 0.02 M NaCl. The experimental parameters such as dsDNA concentration, HDN concentration, dsDNA adsorption time and interaction time were optimized. The guanine oxidation peak currents were linearly proportional to the concentrations of the HDN in the range of in the range of 0.82-82 µM and detection limit was found to be 0.24 µM. The reproducibility, repeatability, and applicability of the analysis to human serum samples were also examined. In order to obtain more information about the interaction between dsDNA and HDN, UV-vis spectrophotometry measurements were also performed. The novel DNA biosensor could serve for sensitive, accurate and rapid determination of the HDN.

Özet

Bu çalışmada, camsı karbon elektrot (GCE) yüzeyi elektrokimyasal olarak indirgenmiş grafen oksit (ERGO) ile kaplandı ve poli(2,6-piridindikarboksilik asit) (P(PDCA)) ikinci bir tabaka olarak ERGO modifiye GCE yüzeyinde biriktirildi. Hazırlanan elektrot dsDNA’yı immobilize etmek için kullanıldı. GCE/ERGO/P(PDCA) elektrodunun elektrokimyasal davranışı dönüşümlü voltametri (CV) yöntemi ile incelendi ve sonuçlar yalın GCE’den elde edilen değerler ile karşılaştırıldı. Ümit verici bir antikanser ajanı olarak kullanılan hesperidin (HDN), GCE/ERGO/P(PDCA)/dsDNA biyosensörü kullanılarak diferansiyel puls voltametrisi (DPV) tekniği ile tayin edildi. +0.77 V’daki guanin yükseltgenme pik akımındaki azalma 0.02 M NaCl içeren 0.5 M ABS (pH 4.8)’deki etkileşim için bir indikatör olarak kullanıldı. dsDNA konsantrayonu, HDN konsantrasyonu, dsDNA adsorpsiyon süresi ve etkileşim süresi gibi deneysel parametreler optimize edildi. Guanin yükseltgenme pik akımlarının 0.82-82 µM HDN konsantrasyon aralığında doğrusal olarak değiştiği bulundu ve gözlenebilme sınırı 0.24 µM olarak hesaplandı. Tekrar üretilebilirlik, tekrarlanabilirlik ve analizin insan serum örneklerine uygulanabilirliği incelendi. dsDNA ile HDN arasındaki etkileşim hakkında daha çok bilgi sağlamak amacıyla UVgörünür bölge spektrofotometri ölçümleri de alındı. Hazırlanan yeni dsDNA biyosensörünün hassas, doğru ve hızlı bir şekilde HDN tayini yapabildiği sonucuna varıldı.

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Cite This Article

Tığ, G. A., Pekyardımcı, Ş., Zeybek, B., Bolat, E. Ö. (2022). Hesperidin-dsDNA Interaction Based on Electrochemically Reduced Graphene Oxide and Poly-(2,6-Pyridinedicarboxylic Acid) Modified Glassy Carbon Electrode. Hacettepe Journal of Biology and Chemistry, Cilt: 44 - Sayı: 4, 487–497. https://ajindex.com/articles/529122

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