ArticleRSC advances2023
Dopamine levels determined in synthetic urine using an electrochemical tyrosinase biosensor based on ZnO@Au core-shell.
Article in RSC advances, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 21 citations in OpenAlex.
- Nickel-Based Nanoparticles Synthesized by Pulsed Laser Ablation in Liquid with Multiphase Structure for Electrochemical Dopamine Sensing.ACS omega · 2026Article
- Fluorescent Biosensor for Rapid and Accurate Detection of Dopamine Based on Oxidized Single-Walled Carbon Nanohorns and Cryonase Enzyme.Molecules (Basel, Switzerland) · 2026Article
- Development of Quantum dot-based enzyme biosensor for the detection of dopamine in urine.Scientific reports · 2026Article
- Integrating monolithic sorbent micro-solid-phase extraction with anodized screen-printed graphene electrode for serotonin neurotransmitter detection in the presence of ascorbic acid and uric acid.Mikrochimica acta · 2026Article
- CPDDA: A Python Package for Discrete Dipole Approximation Accelerated by CuPy.Nanomaterials (Basel, Switzerland) · 2025Article
- Parylene-coated platinum nanowire electrodes for biomolecular sensing applications.Beilstein journal of nanotechnology · 2025Article
- Synthesis of ultrasmall cerium oxide nanoparticles in deep eutectic solvent and their application in an electrochemical sensor to detect dopamine in biological fluid.Mikrochimica acta · 2024Article
- A Dopamine Detection Sensor Based on Au-Decorated NiSMolecules (Basel, Switzerland) · 2024Article
- Review
- Recent trends in core/shell nanoparticles: their enzyme-based electrochemical biosensor applications.Mikrochimica acta · 2024Review
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This work presents a biosensor based on core-shell nanostructure formed by zinc oxide (ZnO) nanoparticles coated with gold (Au). The core-shell nanostructure served as a support for the immobilisation of tyrosinase on screen-printed carbon electrodes to measure dopamine using differential pulse voltammetry. While ZnO is a semiconductor with good electrical conductivity, Au offers high stability and biocompatibility, which is beneficial for maintaining enzyme activity. Atomic force microscopy (ATM), ultraviolet (UV) and infrared (IR) spectroscopy measurements confirmed that the core-shell was successfully formed. The biosensor comprising of ZnO@Au core-shell nanostructures with immobilised tyrosinase allowed the detection of dopamine in real samples with remarkable selectivity and accuracy with a relative error of 3.8%. The limit of detection and dynamic range of the biosensor for dopamine in real samples were 86 nmol L
Identifiers
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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.