A Facile Synthesis of Cd(OH)<sub>2</sub>‐rGO Nanocomposites for the Practical Electrochemical Detection of Acetaminophen

Sakthivel, Mani; Manickam, Sivakumar; Chen, Shen‐Ming; Hou, Yu Shen; Veeramani, Vediyappan; Madhu, Rajesh; Miyamoto, Nobuyoshi

doi:10.1002/elan.201600351

Cited by 20 publications

(8 citation statements)

References 53 publications

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“…The kinetic parameters for this process may be derived from the slope ( Δ ) of the Tafel plot (inset, Figure S3; Supporting Information), which may be expressed as [Eq. ]:

true Δ = n (1 - α) F / 2.3 R T

…”

Section: Resultsmentioning

confidence: 99%

Sol‐Gel Synthesis of Carbon‐Coated LaCoO₃ for Effective Electrocatalytic Oxidation of Salicylic Acid

et al. 2017

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The electrooxidative activity of a carbon‐coated LaCoO3 (C@LaCoO3) composite material, prepared by using a facile sol‐gel method with citric acid as the carbon precursor, was investigated. The as‐prepared C@LaCoO3 material was characterized by using a variety of different physicochemical techniques, including XRD, SEM, EDX, EIS, and FTIR spectroscopy, which revealed effective coating of carbon on the surfaces of the metal oxide with a well‐defined structure, high crystallinity, and low‐transfer resistance. Based on the results obtained from cyclic voltammetry and amperometric techniques, the C@LaCoO3‐modified electrode was found to exhibit extraordinary electrocatalytic activity for oxidation of salicylic acid with a desirable linear range, sensitivity, and detection limit of 0.0005–2.44 mM, 250.59 μA μM− cm−2, and 0.05 μM, respectively, rendering practical applications for real samples analysis.

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“…The kinetic parameters for this process may be derived from the slope ( Δ ) of the Tafel plot (inset, Figure S3; Supporting Information), which may be expressed as [Eq. ]:

true Δ = n (1 - α) F / 2.3 R T

…”

Section: Resultsmentioning

confidence: 99%

Sol‐Gel Synthesis of Carbon‐Coated LaCoO₃ for Effective Electrocatalytic Oxidation of Salicylic Acid

et al. 2017

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“…Recently, several groups reported electrochemical determination of PC based on its oxidation behavior with different electrodes such as ZrO 2 NPs-modified carbon paste electrode (ZMCPE) [20], Cd(OH)2-rGO-modified glassy carbon electrode [21], nickel hexacyanoferratemodified carbon paste electrode [22], and multiwall nanoparticle-modified glass carbon electrode (MWNT/ GCE) [23].…”

Section: Introductionmentioning

confidence: 99%

Multilayered Electroactive Polyaniline-ZnO Modified GCE for Electrochemical Detection of Paracetamol

Chufamo

Kelita

Berhanu³

et al. 2022

Advances in Materials Science and Engineering

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Paracetamol (PC) is widely used for defensive and medicinal purposes for human beings. But their deposition in the human body will persuade thoughtful health risks. So, the enhancement of sensitive and selective techniques for the easy and fast detection of PC is extremely fundamental. Multilayered electroactive polyaniline-ZnO nanocomposite (NC) film was developed for PC detection which was based on the oxidation of PC with polyaniline doped zinc oxide on a glassy carbon electrode (PANI/ZnO/GCE). PANI and PANI/ZnO NCs were fabricated by both electrochemical and in-situ oxidative chemical polymerization methods. The morphology of PANI/ZnO shows that the polymer was distributed on the surface of ZnO, and the XRD pattern confirms that the average size calculated was 7.48 nm for PANI/ZnO. From UV-Vis measurements, the PANI/ZnO composite shows a redshift relative to PANI and ZnO. Moreover, FT-IR spectra show that chemical bonds and stretching are assigned to different peaks. Using differential pulse voltammetry, the fabricated PANI/ZnO/GCE electrochemical sensor displays good analytical performance for PC with detection limits of 4 × 10−8 M and a sensitivity of 2.571 mA/1 × 10−8 M with a linear concentration of PC within the range of 1.0 to 7.0 × 10−8 M.

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“…This process was continued for some time until the pH of the product attained a neutral value. The final slurrylike GO product was obtained and dried in an oven for overnight …”

Section: Methodsmentioning

confidence: 99%

Synthesis and Characterization of Samarium-Substituted Molybdenum Diselenide and Its Graphene Oxide Nanohybrid for Enhancing the Selective Sensing of Chloramphenicol in a Milk Sample

Sakthivel

Sukanya

Chen

et al. 2018

ACS Appl. Mater. Interfaces

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The electronic conductivity and electrocatalytic activity of metal chalcogenides are normally enhanced by following the ideal strategies such as substitution/doping of heterogeneous atoms and hybridization of highly conductive carbon supportive materials. Here, a rare earth element (samarium) was substituted with MoSe using the simple hydrothermal method. The lattice distortion due to the substitution of Sm with MoSe was clearly observed by using high-resolution transmission electron microscopy analysis. As a consequence, the prepared SmMoSe nanorod was encapsulated with graphene oxide (GO) sheets by using ultrasonication process. Furthermore, the GO-encapsulated SmMoSe nanocomposite modified glassy carbon electrode (GO@SmMoSe/GCE) was used for the sensing of chloramphenicol. The results showed that the GO@SmMoSe/GCE revealed the superior electrocatalytic activity with low detection (5 nM) and sensitivity (20.6 μA μM cm) to electrochemical detection of proposed analyte. It indicates that the substitution of Sm and encapsulation of GO significantly increased both the electrical conductivity and electrocatalytic activity of MoSe.

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A Facile Synthesis of Cd(OH)₂‐rGO Nanocomposites for the Practical Electrochemical Detection of Acetaminophen

Cited by 20 publications

References 53 publications

Sol‐Gel Synthesis of Carbon‐Coated LaCoO₃ for Effective Electrocatalytic Oxidation of Salicylic Acid

Sol‐Gel Synthesis of Carbon‐Coated LaCoO₃ for Effective Electrocatalytic Oxidation of Salicylic Acid

Multilayered Electroactive Polyaniline-ZnO Modified GCE for Electrochemical Detection of Paracetamol

Synthesis and Characterization of Samarium-Substituted Molybdenum Diselenide and Its Graphene Oxide Nanohybrid for Enhancing the Selective Sensing of Chloramphenicol in a Milk Sample

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A Facile Synthesis of Cd(OH)2‐rGO Nanocomposites for the Practical Electrochemical Detection of Acetaminophen

Cited by 20 publications

References 53 publications

Sol‐Gel Synthesis of Carbon‐Coated LaCoO3 for Effective Electrocatalytic Oxidation of Salicylic Acid

Sol‐Gel Synthesis of Carbon‐Coated LaCoO3 for Effective Electrocatalytic Oxidation of Salicylic Acid

Multilayered Electroactive Polyaniline-ZnO Modified GCE for Electrochemical Detection of Paracetamol

Synthesis and Characterization of Samarium-Substituted Molybdenum Diselenide and Its Graphene Oxide Nanohybrid for Enhancing the Selective Sensing of Chloramphenicol in a Milk Sample

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Resources

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A Facile Synthesis of Cd(OH)₂‐rGO Nanocomposites for the Practical Electrochemical Detection of Acetaminophen

Sol‐Gel Synthesis of Carbon‐Coated LaCoO₃ for Effective Electrocatalytic Oxidation of Salicylic Acid

Sol‐Gel Synthesis of Carbon‐Coated LaCoO₃ for Effective Electrocatalytic Oxidation of Salicylic Acid