ArticleSensors (Basel, Switzerland)2017
Tyrosinase-Based Biosensors for Selective Dopamine Detection.
Article in Sensors (Basel, Switzerland), 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 77 citations in OpenAlex.
- Molecularly imprinted polypyrrole-based POF dual sensor for dopamine detection exploiting plasmonic and voltammetric methods.iScience · 2025Article
- A Sensitive and Selective Electrochemical Sensor Based on an Iron-Based Nanocomposite-Modified Electrode for the Detection of Dopamine in Pork.Foods (Basel, Switzerland) · 2025Article
- Nanopore-Based Neurotransmitter Detection: Advances, Challenges, and Future Perspectives.ACS nano · 2025Review
- Unveiling the PEDOT-polypyrrole hybrid electrode for the electrochemical sensing of dopamine.Scientific reports · 2025Article
- Review
- Framing of Poly(arylene-ethynylene) around Carbon Nanotubes and Iodine Doping for the Electrochemical Detection of Dopamine.Biosensors · 2023Article
- Tyrosinase Immobilization Strategies for the Development of Electrochemical Biosensors-A Review.Nanomaterials (Basel, Switzerland) · 2023Review
- Elucidation of the tyrosinase/OProceedings of the National Academy of Sciences of the United States of America · 2022Article
- Novel Amperometric Biosensor Based on Tyrosinase/Chitosan Nanoparticles for Sensitive and Interference-Free Detection of Total Catecholamine.Biosensors · 2022Article
- Investigation of the one-step electrochemical deposition of graphene oxide-doped poly(3,4-ethylenedioxythiophene)-polyphenol oxidase as a dopamine sensor.RSC advances · 2022Article
- In Situ Laser-Induced Fabrication of a Ruthenium-Based Microelectrode for Non-Enzymatic Dopamine Sensing.Materials (Basel, Switzerland) · 2020Article
- In Silico Design of a Peptide Receptor for Dopamine Recognition.Molecules (Basel, Switzerland) · 2020Article
- Simple and Cost-Effective Electrochemical Method for Norepinephrine Determination Based on Carbon Dots and Tyrosinase.Sensors (Basel, Switzerland) · 2020Article
- Zinc(ii) triazoleRSC advances · 2020Article
- Enzymatic Platforms for Sensitive Neurotransmitter Detection.Sensors (Basel, Switzerland) · 2020Article
- A ruthenium(IV) disulfide based non-enzymatic sensor for selective and sensitive amperometric determination of dopamine.Mikrochimica acta · 2019Article
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A novel tyrosinase-based biosensor was developed for the detection of dopamine (DA). For increased selectivity, gold electrodes were previously modified with cobalt (II)-porphyrin (CoP) film with electrocatalytic activity, to act both as an electrochemical mediator and an enzyme support, upon which the enzyme tyrosinase (Tyr) was cross-linked. Differential pulse voltammetry was used for electrochemical detection and the reduction current of dopamine-quinone was measured as a function of dopamine concentration. Our experiments demonstrated that the presence of CoP improves the selectivity of the electrode towards dopamine in the presence of ascorbic acid (AA), with a linear trend of concentration dependence in the range of 2-30 µM. By optimizing the conditioning parameters, a separation of 130 mV between the peak potentials for ascorbic acid AA and DA was obtained, allowing the selective detection of DA. The biosensor had a sensitivity of 1.22 ± 0.02 µA·cm
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