Prussian Blue Analogue-Derived Iron Sulfide–Cobalt Sulfide Nanoparticle-Decorated Hollow Nitrogen-Doped Carbon Nanocubes for the Selective Electrochemical Detection of Dopamine

Wang, Lu; Wang, Jun; Yan, Liyan; Ding, Yao; Wang, Xiaoyu; Liu, Xien; Li, Lin; Ju, Jianting; Zhan, Tianrong

doi:10.1021/acssuschemeng.2c05158

Cited by 20 publications

(9 citation statements)

References 54 publications

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“…With the addition of 1 mM DA, all electrodes exhibited well-defined peaks (especially the CoNiTe 2 /Nafion/GCE electrode) related to the electrochemical DA redox reaction mechanism. The possible electrochemical DA redox reaction mechanism is described in the previous literature [30]. During the electrochemical oxidation process, DA was oxidized to dopaminoquinone (DAQ), and during the electrochemical reduction process, DAQ was reduced to DA.…”

Section: Resultsmentioning

confidence: 99%

CoNiTe2 Nanomaterials as an Efficient Non-Enzymatic Electrochemical Sensing Platform for Detecting Dopamine

Wang,

Shen,

Yang

et al. 2024

Chemosensors

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Dopamine (DA) is an important catecholamine neurotransmitter in the mammalian central nervous system that affects many physiological functions. Hence, a highly sensitive and selective sensing platform is necessary for quantification of DA in the human body. In this study, ternary transition metal tellurides of CoNiTe2 were successfully synthesized using the hydrothermal method. The proposed CoNiTe2 nanomaterials were dispersed well in Nafion to form a well-dispersed suspension and, when dropped on a glassy carbon electrode (GCE) as the working electrode (CoNiTe2/Nafion/GCE) for electrochemical non-enzymatic DA sensing, displayed excellent electrocatalytic activity for dopamine electrooxidation. The morphology and physical/chemical properties of CoNiTe2 nanomaterials were characterized using field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS). In order to obtain the best electrochemical response to DA from the fabricated CoNiTe2/Nafion/GCE, the experimental conditions of electrochemical sensing, including the CoNiTe2 loading amounts and pH values of the phosphate buffer solution (PBS), were explored to achieve the best electrochemical sensing performance. Under optimal conditions (2 mg of CoNiTe2 and pH 6.0 of PBS), the fabricated CoNiTe2/Nafion/GCE showed excellent electrocatalytic activity of DA electrooxidation. The CoNiTe2/Nafion/GCE sensing platform demonstrated excellent electrochemical performance owing to the optimal structural and electronic characteristics originating from the synergistic interactions of bimetallic Co and Ni, the low electronegativity of Te atoms, and the unique morphology of the CoNiTe2 nanorod. It exhibited a wide linear range from 0.05 to 100 μM, a high sensitivity of 1.2880 µA µM−1 cm−2, and a low limit of detection of 0.0380 µM, as well as acceptable selectivity for DA sensing. Therefore, the proposed CoNiTe2/Nafion/GCE could be considered a promising electrode material for electrochemical non-enzymatic DA sensing.

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Section: Resultsmentioning

confidence: 99%

CoNiTe2 Nanomaterials as an Efficient Non-Enzymatic Electrochemical Sensing Platform for Detecting Dopamine

Wang,

Shen,

Yang

et al. 2024

Chemosensors

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“…The choice of appropriate electrode materials plays a pivotal role in constructing an electrochemical non-enzymatic sensing platform, determining the performance of electrochemical sensing. Previous reports suggest that an electrochemical sensing platform comprising transition metal compounds (TMCs), such as transition metal oxides (TMOs) [ 19 ], sulphides (TMSs) [ 20 ], nitrides (TMNs) [ 21 ], and phosphides (TMPs) [ 22 , 23 ] could offer universal design strategies for detecting DA electrochemically.…”

Section: Introductionmentioning

confidence: 99%

Enhancing Electrochemical Non-Enzymatic Dopamine Sensing Based on Bimetallic Nickel/Cobalt Phosphide Nanosheets

Wang,

Tsai,

Chang

et al. 2024

Micromachines

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In this study, the successful synthesis of bimetallic nickel/cobalt phosphide nanosheets (Ni-Co-P NSs) via the hydrothermal method and the subsequent high-temperature phosphorization process were both confirmed. Ni-Co-P NSs exhibited excellent electrocatalytic activity for the electrochemical non-enzymatic DA sensing. The surface morphologies and physicochemical properties of Ni-Co-P NSs were characterized by atomic force microscopy (AFM), field-emission scanning (FESEM), field-emission transmission electron microscopy (FETEM), and X-ray diffraction (XRD). Further, the electrochemical performance was evaluated by cyclic voltammetry (CV) and differential pulse voltammetry (DPV). The metallic nature of phosphide and the synergistic effect of Ni/Co atoms in Ni-Co-P NSs provided abundant catalytic active sites for the electrochemical redox reaction of DA, which exhibited a remarkable consequence with a wide linear range from 0.3~50 μM, a high sensitivity of 2.033 µA µM−1 cm−2, a low limit of detection of 0.016 µM, and anti-interference ability. As a result, the proposed Ni-Co-P NSs can be considered an ideal electrode material for the electrochemical non-enzymatic DA sensing.

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“…It has been reported as the most effective catalyst for the electroreduction of hydrogen peroxide in almost all types of electrocatalysis. 43 The pretreated Working Electrode (WE) was placed in a freshly prepared mixed solution of 5.0 mmol/L FeCl 3 and 5.0 mmol/L K 3 [Fe(CN) 6 ], using 0.1 mol/L KCl as the supporting electrolyte. 44 Subsequently, the PB/ WE electrode was prepared by using the constant potential deposition method with 10 cycles within the potential range of −0.2 to 0.6 V and a scan rate of 5.0 mV/s (Figure S1).…”

Section: ■ Introductionmentioning

confidence: 99%

Carboxymethyl Cellulose Sodium Nanocomposite Hydrogels for Flexible Sensors of Human Motion and Glucose Levels in Sweat

Zhou,

Liu,

Liu

et al. 2024

ACS Appl. Polym. Mater.

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In recent years, there has been an increasing interest in the use of biomass-based nanocomposite hydrogels for wearable flexible sweat sensors. In this manuscript, the design of a dual-network hydrogel using sodium carboxymethyl cellulose (CMC-Na) to develop a high-performance nanocomposite hydrogel flexible sensor is considered to be an effective method for accurate monitoring of human movement and continuous noninvasive measurement of glucose levels in sweat. The gel has a measurement gauge factor (GF) of 1.34 and a toughness of 4.18 MJ/m 3 , exhibiting excellent mechanical properties and self-healing capabilities (92.6%). As a flexible motion sensor, it can accurately identify various human movements. By incorporating glucose oxidase-thioglycolic acid-gold nanoparticles (GTAN) nanomaterials into the hydrogel, stable and excellent electrocatalytic activity for sweat glucose measurement was achieved. The sensor has a detection limit (LOD) of 0.28 μM and a wide operating range. Additionally, different testing methods show good linear relationships, indicating the sensor's universality in measurement. By analyzing daily physical activities and levels of glucose in sweat, monitoring of individual health can be achieved, thereby expanding the potential of next-generation noninvasive multifunctional sensing systems.

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Prussian Blue Analogue-Derived Iron Sulfide–Cobalt Sulfide Nanoparticle-Decorated Hollow Nitrogen-Doped Carbon Nanocubes for the Selective Electrochemical Detection of Dopamine

Cited by 20 publications

References 54 publications

CoNiTe2 Nanomaterials as an Efficient Non-Enzymatic Electrochemical Sensing Platform for Detecting Dopamine

CoNiTe2 Nanomaterials as an Efficient Non-Enzymatic Electrochemical Sensing Platform for Detecting Dopamine

Enhancing Electrochemical Non-Enzymatic Dopamine Sensing Based on Bimetallic Nickel/Cobalt Phosphide Nanosheets

Carboxymethyl Cellulose Sodium Nanocomposite Hydrogels for Flexible Sensors of Human Motion and Glucose Levels in Sweat

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