ArticleSensors (Basel, Switzerland)2020
Smartphone-Based Electrochemical Potentiostat Detection System Using PEDOT: PSS/Chitosan/Graphene Modified Screen-Printed Electrodes for Dopamine Detection.
Article in Sensors (Basel, Switzerland), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.
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Who cites it
20 citing papers in PubMed.
- Article
- 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
- Smartphone-Integrated Electrochemical Devices for Contaminant Monitoring in Agriculture and Food: A Review.Biosensors · 2025Review
- Capacitive Sensors for Label-Free Detection in High-Ionic-Strength Bodily Fluids: A Review.Biosensors · 2025Review
- Molecularly Imprinted Polypyrrole-Modified Screen-Printed Electrode for Dopamine Determination.Polymers · 2024Article
- Wearable Electrochemical Sensor for Sweat-Based Potassium Ion and Glucose Detection in Exercise Health Monitoring.ChemistryOpen · 2024Article
- Development of electrochemical sensors for quick detection of environmental (soil and water) NPK ions.RSC advances · 2024Review
- Emerging Roles of Microrobots for Enhancing the Sensitivity of Biosensors.Nanomaterials (Basel, Switzerland) · 2023Review
- A Facile Graphene Conductive Polymer Paper Based Biosensor for Dopamine, TNF-α, and IL-6 Detection.Sensors (Basel, Switzerland) · 2023Article
- Chitosan-Based Electrochemical Sensors for Pharmaceuticals and Clinical Applications.Polymers · 2023Review
- A new approach for determination of orthophosphate based on mixed valent molybdenum oxide/poly 1,2-diaminoanthraquinone in seawater.Scientific reports · 2023Article
- An Integrated, Exchangeable Three-Electrode Electrochemical Setup for AFM-Based Scanning Electrochemical Microscopy.Sensors (Basel, Switzerland) · 2023Article
- Electrochemical Sensing of Dopamine Using Polypyrrole/Molybdenum Oxide Bilayer-Modified ITO Electrode.Biosensors · 2023Article
- Smartphone-Based Dopamine Detection by Fluorescent Supramolecular Sensor.Molecules (Basel, Switzerland) · 2022Article
- Article
- Using Graphene-Based Biosensors to Detect Dopamine for Efficient Parkinson's Disease Diagnostics.Biosensors · 2021Review
- Label Free Glucose Electrochemical Biosensor Based on Poly(3,4-ethylenedioxy thiophene):Polystyrene Sulfonate/Titanium Carbide/Graphene Quantum Dots.Biosensors · 2021Article
- Comparative Studies of CPEs Modified with Distinctive Metal Nanoparticle-Decorated Electroactive Polyimide for the Detection of UA.Polymers · 2021Article
- Green Synthesis of Ni@PEDOT and Ni@PEDOT/Au (Core@Shell) Inverse Opals for Simultaneous Detection of Ascorbic Acid, Dopamine, and Uric Acid.Nanomaterials (Basel, Switzerland) · 2020Article
- The Use of Factorial Design and Simplex Optimization to Improve Analytical Performance of In Situ Film Electrodes.Sensors (Basel, Switzerland) · 2020Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
In this work, a smartphone-based electrochemical detection system was designed and developed for rapid and real-time detection of dopamine (DA). The system included a screen-printed electrode (SPE) used as a sensor, a hand-held electrochemical potentiostat and a smart phone with a specially designed app. During the detection period, the SPEs modified with poly(3,4-ethylenedioxythiophene) (PEDOT), chitosan (CS) and graphene (G) were used to convert and amplify the electrochemical reaction signals. The electrochemical potentiostat was used to generate excitation electrical signals and collect the electrical signals converted from the sensor. The smartphone-connected to the detector via Bluetooth-was used to control the detector for tests, further process the uploaded data, and plot graphs in real time. Experimental results showed that the self-designed sensing system could be employed for highly selective detection of DA in the presence of interfering substances such as ascorbic acid (AA) and uric acid (UA). CV was carried out to characterize the electrochemical properties of the modified SPEs and the electrochemical behaviors of DA on the modified SPEs. Finally, according to the analysis of DPV responses of DA, the system could detect DA with a detection sensitivity of 0.52 ± 0.01 μA/μM and a limit of detection of 0.29 μM in the linear range of DA concentrations from 0.05 to 70 μM.
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