ArticleBiosensors2019
Influence of Graphene Oxide Concentration when Fabricating an Electrochemical Biosensor for DNA Detection.
Article in Biosensors, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 37 citations in OpenAlex.
- A proof-of-concept study using a graphene oxide-bovine serum albumin nanocomposite-based electrochemical aptasensor platform forThe veterinary quarterly · 2025Article
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- A Novel Approach Using Reduced Graphene Oxide for the Detection of ALP and RUNX2 Osteogenic Biomarkers.Current issues in molecular biology · 2024Article
- The Hybrid Nano-Biointerface between Proteins/Peptides and Two-Dimensional Nanomaterials.Molecules (Basel, Switzerland) · 2023Review
- Article
- Graphene Oxide/Nitrocellulose Non-Covalent Hybrid as Solid Phase for Oligo-DNA Extraction from Complex Medium.Molecules (Basel, Switzerland) · 2023Article
- Double-Reinforced Fish Gelatin Composite Scaffolds for Osteochondral Substitutes.Materials (Basel, Switzerland) · 2023Article
- Nucleotide detection mechanism and comparison based on low-dimensional materials: A review.Frontiers in bioengineering and biotechnology · 2023Review
- Self-Assembling Graphene Layers for Electrochemical Sensors Printed in a Single Screen-Printing Process.Sensors (Basel, Switzerland) · 2022Article
- Sensitive Detection of Rosmarinic Acid Using Peptide-Modified Graphene Oxide Screen-Printed Carbon Electrode.Nanomaterials (Basel, Switzerland) · 2022Article
- Nanostructured Polyacrylamide Hydrogels with Improved Mechanical Properties and Antimicrobial Behavior.Polymers · 2022Article
- Electrochemical Detection Platform Based on RGO Functionalized with Diazonium Salt for DNA Hybridization.Biosensors · 2022Article
- Development of an Electrochemical Immunosensor for Specific Detection of Visceral Leishmaniasis Using Gold-Modified Screen-Printed Carbon Electrodes.Biosensors · 2020Article
- The interrupted effect of autophagic flux and lysosomal function induced by graphene oxide in p62-dependent apoptosis of F98 cells.Journal of nanobiotechnology · 2020Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
Abstract
We have investigated the influence exerted by the concentration of graphene oxide (GO) dispersion as a modifier for screen printed carbon electrodes (SPCEs) on the fabrication of an electrochemical biosensor to detect DNA hybridization. A new pretreatment protocol for SPCEs, involving two successive steps in order to achieve a reproducible deposition of GO, is also proposed. Aqueous GO dispersions of different concentrations (0.05, 0.1, 0.15, and 0.2 mg/mL) were first drop-cast on the SPCE substrates and then electrochemically reduced. The electrochemical properties of the modified electrodes were investigated after each modification step by cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS), while physicochemical characterization was performed by scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), and Raman spectroscopy. Finally, the sensing platform was obtained by the simple adsorption of the single-stranded DNA probe onto the electrochemically reduced GO (RGO)-modified SPCEs under optimized conditions. The hybridization was achieved by incubating the functionalized SPCEs with complementary DNA target and detected by measuring the change in the electrochemical response of [Fe(CN)
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