Pd Nanoparticles Loaded on Cu Nanoplate Sensor for Ultrasensitive Detection of Dopamine

The detection of dopamine is of great significance for human health. Herein, Pd nanoparticles were loaded on Cu nanoplates (Pd/Cu NPTs) by a novel liquid phase reduction method. A novel dopamine (DA) electrochemical sensor based on the Pd NPs/Cu/glass carbon electrode (Pd/Cu NPTs/GCE) was constructe...

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Published in:Sensors (Basel, Switzerland) Switzerland), 2024-09, Vol.24 (17), p.5702
Main Authors: Tan, Haihu, Zhang, Xuan, Xie, Jinpu, Tang, Zengmin, Tang, Sijia, Xu, Lijian, Yang, Pingping
Format: Article
Language:English
Subjects:
Biosensing Techniques - methods
Carbon
Copper
Copper - chemistry
Dopamine
Dopamine - analysis
electrochemical active surface areas
Electrochemical Techniques - methods
Electrodes
Electrons
Glucose
Graphene
Humans
Limit of Detection
Metal Nanoparticles - chemistry
Nanomaterials
Nanoparticles
Nanowires
Oxidation
Palladium - chemistry
Pd nanoparticles
Reproducibility of Results
sensor
Sensors
Spectrum analysis
Temperature
two–dimensional Cu nanoplates
Uric acid
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container_issue 17
container_start_page 5702
container_title Sensors (Basel, Switzerland)
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creator Tan, Haihu
Zhang, Xuan
Xie, Jinpu
Tang, Zengmin
Tang, Sijia
Xu, Lijian
Yang, Pingping
description The detection of dopamine is of great significance for human health. Herein, Pd nanoparticles were loaded on Cu nanoplates (Pd/Cu NPTs) by a novel liquid phase reduction method. A novel dopamine (DA) electrochemical sensor based on the Pd NPs/Cu/glass carbon electrode (Pd/Cu NPTs/GCE) was constructed. This sensor showed a wide linear range of 0.047 mM to 1.122 mM and a low limit of detection (LOD) of 0.1045 μM (S/N = 3) for DA. The improved performance of this sensor is attributed to the obtained tiny Pd nanoparticles which increase the catalytic active sites and electrochemical active surface areas (ECSAs). Moreover, the larger surface area of two-dimensional Cu nanoplates can load more Pd nanoparticles, which is another reason to improve performance. The Pd/Cu NPTs/GCE sensor also showed a good reproducibility, stability, and excellent anti-interference ability.
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subjects Biosensing Techniques - methods
Carbon
Copper
Copper - chemistry
Dopamine
Dopamine - analysis
electrochemical active surface areas
Electrochemical Techniques - methods
Electrodes
Electrons
Glucose
Graphene
Humans
Limit of Detection
Metal Nanoparticles - chemistry
Nanomaterials
Nanoparticles
Nanowires
Oxidation
Palladium - chemistry
Pd nanoparticles
Reproducibility of Results
sensor
Sensors
Spectrum analysis
Temperature
two–dimensional Cu nanoplates
Uric acid
title Pd Nanoparticles Loaded on Cu Nanoplate Sensor for Ultrasensitive Detection of Dopamine
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