ArticleSensors (Basel, Switzerland)2008
An Electrochemical DNA Biosensor Developed on a Nanocomposite Platform of Gold and Poly(propyleneimine) Dendrimer.
Article in Sensors (Basel, Switzerland), 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Alzheimer's Disease Pathology and Assistive Nanotheranostic Approaches for Its Therapeutic Interventions.International journal of molecular sciences · 2024Review
- Organic Heterostructures with Dendrimer Based Mixed Layer for Electronic Applications.Molecules (Basel, Switzerland) · 2024Article
- RNA therapeutics in targeting G protein-coupled receptors: Recent advances and challenges.Molecular therapy. Nucleic acids · 2024Review
- Dendrimer-Gold Nanocomposite-Based Electrochemical Aptasensor for the Detection of Dopamine.ACS omega · 2023Article
- Nano-Scaled Materials and Polymer Integration in Biosensing Tools.Biosensors · 2022Review
- An Electrochemical DNA Biosensor for Carcinogenicity of Anticancer Compounds Based on Competition between Methylene Blue and Oligonucleotides.Sensors (Basel, Switzerland) · 2019Article
- Detection of dengue using PAMAM dendrimer integrated tapered optical fiber sensor.Scientific reports · 2019Article
- Electrochemical DNA biosensors for label-free breast cancer gene marker detection.Analytical and bioanalytical chemistry · 2019Article
- An Electrochemical Cholesterol Biosensor Based on A CdTe/CdSe/ZnSe Quantum Dots-Poly (Propylene Imine) Dendrimer Nanocomposite Immobilisation Layer.Sensors (Basel, Switzerland) · 2018Article
- Review
- Gold Nanoparticles for In Vitro Diagnostics.Chemical reviews · 2015Review
- Electrochemical aptasensor for endocrine disrupting 17β-estradiol based on a poly(3,4-ethylenedioxylthiopene)-gold nanocomposite platform.Sensors (Basel, Switzerland) · 2010Article
Corrections and comments
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
An electrochemical DNA nanobiosensor was prepared by immobilization of a 20mer thiolated probe DNA on electro-deposited generation 4 (G4) poly(propyleneimine) dendrimer (PPI) doped with gold nanoparticles (AuNP) as platform, on a glassy carbon electrode (GCE). Field emission scanning electron microscopy results confirmed the codeposition of PPI (which was linked to the carbon electrode surface by C-N covalent bonds) and AuNP ca 60 nm. Voltammetric interrogations showed that the platform (GCE/PPI-AuNP) was conducting and exhibited reversible electrochemistry (E°' = 235 mV) in pH 7.2 phosphate buffer saline solution (PBS) due to the PPI component. The redox chemistry of PPI was pH dependent and involves a two electron, one proton process, as interpreted from a 28 mV/pH value obtained from pH studies. The charge transfer resistance (R
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.