A Double-Deck Structure of Reduced Graphene Oxide Modified Porous Ti3C2Tx Electrode towards Ultrasensitive and Simultaneous Detection of Dopamine and Uric Acid
Abstract
:1. Introduction
2. Materials and Methods
2.1. Chemicals
2.2. Fabrication of Ti3C2Tx/rGO Electrodes
2.3. Characterizations
2.4. Electrochemical Tests
3. Results and Discussion
3.1. Characterization of Ti3C2Tx/rGO Nanocomposite
3.2. Electrochemical Collaboration Behavior of Ti3C2Tx/rGO towards DA
3.3. Ti3C2Tx/rGO Electrode Performance Optimization of DA Detection
3.4. Electrochemical Determination of DA and UA with Different Concentrations
3.5. Repeatability, Reproducibility, Interference, and Real Sample Analysis
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Modified Electrodes | Measurements | Linear Range (μM) | LOD (μM) | Ref. | ||
---|---|---|---|---|---|---|
DA | UA | DA | UA | |||
rGO | DPV | 0.5–60 | 0.5–60 | 0.5 | 0.5 | [49] |
Graphene | Amperometric | 5.0–710 | 6.0–1330 | 2.0 | 4.8 | [24] |
Graphene | DPV | 0.5–2000 | 0.8–2500 | 0.12 | 0.2 | [14] |
Graphene aerogel | DPV | 0.65–75 | 0.4–50 | 0.22 | 0.12 | [17] |
CNTs/GO | DPV | 5.0–500 | 3.0–60 | 1.5 | 1.0 | [29] |
Chitosan/Graphene | DPV | 1.0–24 | 2.0–45 | 1.0 | 2.0 | [55] |
Au/rGO | DPV | 6.8–41 | 8.8–53 | 1.4 | 1.8 | [27] |
Au/Pt/GO/rGO | DPV | 0.07–49,800 | 0.13–82,800 | 0.02 | 0.04 | [56] |
Pt NPs/Graphene | DPV | 0.03–8.13 | 0.05–11.9 | 0.03 | 0.05 | [28] |
Ag/rGO | DPV | 10–70 | 10–130 | 1.0 | 1.0 | [57] |
Pd/Pt/rGO | DPV | 4–200 | 4–400 | 0.04 | 0.1 | [6] |
Mn3O4/rGO | SWV a | 1–600 | 1–600 | 1.42 | 0.76 | [58] |
Hemin/GO | DPV | 0.5–40 | 0.5–50 | 0.17 | 0.17 | [59] |
TiN/rGO | DPV | 5–175 | 30–215 | 0.16 | 0.35 | [60] |
N-doped rGO | DPV | 1–60 | 1–30 | 0.1 | 0.2 | [61] |
Ti3C2Tx/rGO | DPV | 0.1–100 | 1–1000 | 0.0095 | 0.3 | This work |
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Zhu, Y.; Tian, Q.; Li, X.; Wu, L.; Yu, A.; Lai, G.; Fu, L.; Wei, Q.; Dai, D.; Jiang, N.; et al. A Double-Deck Structure of Reduced Graphene Oxide Modified Porous Ti3C2Tx Electrode towards Ultrasensitive and Simultaneous Detection of Dopamine and Uric Acid. Biosensors 2021, 11, 462. https://doi.org/10.3390/bios11110462
Zhu Y, Tian Q, Li X, Wu L, Yu A, Lai G, Fu L, Wei Q, Dai D, Jiang N, et al. A Double-Deck Structure of Reduced Graphene Oxide Modified Porous Ti3C2Tx Electrode towards Ultrasensitive and Simultaneous Detection of Dopamine and Uric Acid. Biosensors. 2021; 11(11):462. https://doi.org/10.3390/bios11110462
Chicago/Turabian StyleZhu, Yangguang, Qichen Tian, Xiufen Li, Lidong Wu, Aimin Yu, Guosong Lai, Li Fu, Qiuping Wei, Dan Dai, Nan Jiang, and et al. 2021. "A Double-Deck Structure of Reduced Graphene Oxide Modified Porous Ti3C2Tx Electrode towards Ultrasensitive and Simultaneous Detection of Dopamine and Uric Acid" Biosensors 11, no. 11: 462. https://doi.org/10.3390/bios11110462