Research Article

Electrochemical Investigation of Carbon Nanotube Modified Surfaces Based on Ferricyanide and Guanine Signals for DNA Biosensor Applications

Volume: 40 Number: 1 March 22, 2019
TR EN

Electrochemical Investigation of Carbon Nanotube Modified Surfaces Based on Ferricyanide and Guanine Signals for DNA Biosensor Applications

Abstract

This study was designed to investigate the performance of carbon nanotubes (CNT) modified carbon paste and carbon printed electrodes (SPE) produced in laboratory conditions. The effect of carbon nanotube use on signal enrichment was determined by using cyclic voltammetry (CV), square wave voltammetry (SWV) or differential pulse voltammetry (DPV) techniques based on potassium ferricyanide/ ferrocyanide or guanine signal. The application of different activation procedures to the electrode surface such as chemical (H2SO4, acetone, N,N-Dimethylformamide or NaOH) or electrochemical (different potential applications) were presented in this study. It was observed that the activation procedure applied to the nanotube modified electrode has strong effects on signal enrichment. From these procedures it was determined that the guanine signal obtained in activation with NaOH increased about 62-fold. It was also found that different nanotube species gave different responses to the activation processes. The optimum conditions of the nanotube-based biosensor were also presented.

Keywords

References

  1. [1]. Lazerges M., Bedioui F. Analysis of the evolution of the detection limits of electrochemical DNA biosensors. Anal. Bioanal. Chem. 405 (2013) 3705–3714.
  2. [2]. Liu Z., Tabakman S., Welsher K., Dai H.J. Carbon nanotubes in biology and medicine: In vitro and in vivo detection, imaging and drug delivery. Nano Res. 2 (2009) 85–120.
  3. [3]. Trojanowicz M. Analytical applications of carbon nanotubes: a review. TrAC Trends Anal. Chem. 25 (2006) 480–489.
  4. [4]. Wang J., Lin Y.H. Functionalized carbon nanotubes and nanofibers for biosensing applications. TrAC Trends Anal. Chem. 27 (2008) 619–626.
  5. [5]. Li F., Peng J., Wang J., Tang H., Tan L., Xie Q., Yao S. Carbon nanotube-based label-free electrochemical biosensor for sensitive detection of miRNA-24. Biosens. Bioelectron. 54 (2014) 158–164.
  6. [6]. Zhu X., Li J., He H., Huang M., Zhang X., Wang S. Application of nanomaterials in the bioanalytical detection of diseaserelated genes yayinindan Biosensors and Bioelectronics 74 (2015) 113–133.
  7. [7]. Erdem A., Kuralay F., Cubukcu H.E., Congur G., Karadeniz H., Canavar E. Sensitive sepiolite-carbon nanotubes based disposable electrodes for direct detection of DNA and anticancer drug–DNA interactions. Analyst 137 (2012) 4001–4004.
  8. [8]. Sengiz C., Congur G., Eksin E., Erdem A. Multiwalled Carbon Nanotubes‐Chitosan Modified Single‐Use Biosensors for Electrochemical Monitoring of Drug‐DNA Interactions. Electroanal. 27 (2015) 1855 – 1863.

Details

Primary Language

English

Subjects

-

Journal Section

Research Article

Publication Date

March 22, 2019

Submission Date

July 12, 2018

Acceptance Date

March 21, 2019

Published in Issue

Year 2019 Volume: 40 Number: 1

APA
Arıksoysal, D. (2019). Electrochemical Investigation of Carbon Nanotube Modified Surfaces Based on Ferricyanide and Guanine Signals for DNA Biosensor Applications. Cumhuriyet Science Journal, 40(1), 11-23. https://doi.org/10.17776/csj.441382

Cited By

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