Sensitive detection of uranium in water samples using differential pulse adsorptive stripping voltammetry on glassy carbon electrode

Zhou, Zhiping; Zhou, Yueming; Liang, Xin; Xie, Fang; Liu, Shujuan; Ma, Jianguo

doi:10.1007/s10967-019-06892-0

Cited by 12 publications

(4 citation statements)

References 53 publications

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“…Subsequently, the electrode was rinsed with distilled water and ultrasonicated about 2 min in ethanol for a mirrored surface. 38 300 μl GO (2.0 mg ml −1 ) original dispersion was diluted to 6 ml with 50 mM phosphate buffered solution (PBS, pH 7.0). For obtaining a uniform GO dispersion, ultrasonicating (frequency is 40 kHz, output power is 150 W) and then stirring in a 10 mlelectrolytic cell were conducted.…”

Section: Methodsmentioning

confidence: 99%

Evaluation of Permselective Polydopamine/rGO Electrodeposited Composite Films for Simultaneous Voltammetric Determination of Acetaminophen and Dopamine

Xie

Zhou

Liang

et al. 2021

J. Electrochem. Soc.

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Dopamine (DA) and acetaminophen (AP) are involved in important physiological processes in vivo, while their detection in the complex biological matrix remains challenging. Permselective electrochemical sensors based on polydopamine composite films with an electro-reduced graphene oxide (rGO) were prepared by electrodeposition in a phosphate buffer solution of pH 7.4. Scanning electron microscopy, energy-dispersive X-ray analysis, and Raman spectroscopy were used to characterize the surface features of the modified electrodes. The electrochemical permselective behavior was investigated by electrochemical impedance spectroscopy, cyclic voltammetry, differential pulse voltammetry, and amperometric technique. Permselectivity of sensors to AP was evaluated by permeability and selectivity coefficient. With the layer-by-layer architecture, polydopamine exhibited high permeation to DA and AP but remained Fe(CN)6 3− inhibition. The depression to ascorbic acid (≥10 mM) was tested and the selective coefficient for uric acid even reached at −1.6. Based on excellent permselectivity, polydopamine/rGO composite sensors possessed low detection limit (0.2 and 0.45 μM for DA and AP, respectively), which made the specific method feasible for their simultaneous detection in urine and saliva samples. The long-term stability of composite films in biological samples was tested through amperometric monitoring for 12 h.

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Section: Methodsmentioning

confidence: 99%

Evaluation of Permselective Polydopamine/rGO Electrodeposited Composite Films for Simultaneous Voltammetric Determination of Acetaminophen and Dopamine

Xie

Zhou

Liang

et al. 2021

J. Electrochem. Soc.

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“…Comparatively, electroanalytical techniques [13] are relatively effective because they are simple to operate, low in cost, and can reach extremely low detection limits. Commonly used electrochemical analysis techniques are adsorptive stripping voltammetry (AdSV) [14][15][16], differential pulse voltammetry (DPV) [17] and cyclic voltammetry (CV) [18]. Due to its portability and low power requirements, voltammetry technology is particularly suitable for on-site monitoring of uranium [19,20].…”

Section: Introductionmentioning

confidence: 99%

A Novel Electrochemical Sensor Modified with a Computer-Simulative Magnetic Ion-Imprinted Membrane for Identification of Uranyl Ion

Wang

et al. 2022

Sensors

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In this paper, a novel ion-imprinted electrochemical sensor modified with magnetic nanomaterial Fe3O4@SiO2 was established for the high sensitivity and selectivity determination of UO22+ in the environment. Density functional theory (DFT) was employed to investigate the interaction between templates and binding ligands to screen out suitable functional binding ligand for the reasonable design of the ion imprinted sensors. The MIIP/MCPE (magnetic ion imprinted membrane/magnetic carbon paste electrode) modified with Fe3O4@SiO2 exhibited a strong response current and high sensitivity toward uranyl ion comparison with the bare carbon paste electrodes. Meanwhile, the MCPE was fabricated simultaneously under the action of strong magnetic adsorption, and the ion imprinted membrane can be adsorbed stably on the electrode surface, handling the problem that the imprinted membrane was easy to fall off during the process of experimental determination and elution. Based on the uranyl ion imprinting network, differential pulse voltammetry (DPV) was adopted for the detection technology to realize the electrochemical reduction of uranyl ions, which improved the selectivity of the sensor. Thereafter, uranyl ions were detected in the linear concentration range of 1.0 × 10−9 mol L−1 to 2.0 × 10−7 mol L−1, with the detection and quantification limit of 1.08 × 10−9 and 3.23 × 10−10 mol L−1, respectively. In addition, the sensor was successfully demonstrated for the determination of uranyl ions in uranium tailings soil samples and water samples with a recovery of 95% to 104%.

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“…In contrast, electrochemical sensors prepared using chemically modified electrodes are effective detection techniques that require low cost equipment, rapid analysis, [15] ease of operation and high detection sensitivity [16] . Moreover, among the conventional methods for the detection of uranyl ions in solution, [17] adsorption solvation voltammetry (AdSV) [18] is one of the most commonly used methods. When uranium forms complexes with surface active ligands and is deposited adsorptively on the electrode surface, it makes the sensitivity of the sensor further improved [19] .…”

Section: Introductionmentioning

confidence: 99%

Graphene oxide modified H₄L‐ion imprinting electrochemical sensor for the detection of uranyl ions

Wang

Liu

et al. 2021

Zeitschrift anorg allge chemie

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The rapid development of the nuclear industry has gradually aroused people′s attention to the problem of nuclear pollution. Due to the biological toxicity of uranium and its aqueous solution, simple and rapid detection of uranium in the water environment is quite important. An ion imprinted carbon nanomaterial (graphene oxide) electrochemical sensor for the detection of trace uranyl ions was prepared by using the synthesized bipolar tetradentate macrocyclic uranyl ligand cyclo‐bis‐phenylenediamine‐bis‐(phenylmethyl‐diphyrrolecarbaldehyde) (H4L) as functional monomer. The sol‐gel polymer was prepared by hydrolysis and polymerization of H4L ligand, 3‐aminopropyltrimethoxysilane and tetraethoxysilane. H4L‐ion imprinted polymer (U‐IIP) was prepared by adding 1 mM uranyl ion as template ions. Then the polymer was bonded to graphene oxide modified carbon paste electrode, and the template ions were eluted to obtain H4L‐ion imprinted‐graphene oxide modified carbon paste electrode (U‐IIP/GO/CPE). Differential pulse voltammetry was used to detect trace uranyl ions. The results showed that the U‐IIP/GO/CPE sensor system can detect uranyl ions with high sensitivity and specificity, and the peak current appeared around −0.26v. In the range of 0.01 μM∼3.0 μM, the detection current had a good linear relationship with the molar concentration of uranyl ions, and the method detection limit was 1.32 nM (S/N=3). Through the detection of actual samples, it had a good acceptable recovery rate (95.45 %∼106.25 %), and the relative standard deviation was less than 3.25 %.

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Sensitive detection of uranium in water samples using differential pulse adsorptive stripping voltammetry on glassy carbon electrode

Cited by 12 publications

References 53 publications

Evaluation of Permselective Polydopamine/rGO Electrodeposited Composite Films for Simultaneous Voltammetric Determination of Acetaminophen and Dopamine

Evaluation of Permselective Polydopamine/rGO Electrodeposited Composite Films for Simultaneous Voltammetric Determination of Acetaminophen and Dopamine

A Novel Electrochemical Sensor Modified with a Computer-Simulative Magnetic Ion-Imprinted Membrane for Identification of Uranyl Ion

Graphene oxide modified H₄L‐ion imprinting electrochemical sensor for the detection of uranyl ions

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Sensitive detection of uranium in water samples using differential pulse adsorptive stripping voltammetry on glassy carbon electrode

Cited by 12 publications

References 53 publications

Evaluation of Permselective Polydopamine/rGO Electrodeposited Composite Films for Simultaneous Voltammetric Determination of Acetaminophen and Dopamine

Evaluation of Permselective Polydopamine/rGO Electrodeposited Composite Films for Simultaneous Voltammetric Determination of Acetaminophen and Dopamine

A Novel Electrochemical Sensor Modified with a Computer-Simulative Magnetic Ion-Imprinted Membrane for Identification of Uranyl Ion

Graphene oxide modified H4L‐ion imprinting electrochemical sensor for the detection of uranyl ions

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Product

Resources

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Graphene oxide modified H₄L‐ion imprinting electrochemical sensor for the detection of uranyl ions