Substitution preference of chromium ions in the clinker phase of ordinary Portland cement

Zhu, Jianping; Wu, Qunying; Guan, Xiaohong; Zhao, Ruiqi

doi:10.1039/d2nj04905h

Cited by 3 publications

(2 citation statements)

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“…Using the CV measurement for different scan rates, a calibration plot of anodic peak potential versus ln ν is plotted from which the slope is determined. In the irreversible voltammogram of CeO 2 @S-SC UA sensor, transfer coefficient (α) was found to be 0.45 and upon calculation the electron number (n) was determined to be 1.76 45 Hence, the two-electron/two-proton coupled transport mechanism (2e − +2H + ) can be verified via Laviron equation. Ag doped Fe 2 O 3 coupled with polyaniline (PANI) modified GCE was scanned at various scan rates (50-400 mV s −1 ) in PBS (pH = 7) containing 10 μM of UA.…”

Section: Pa Pcmentioning

confidence: 88%

“…When GCE is modified with CeO 2 @S-SC, the A eff significantly increased from 0.07 cm 2 to 3.46 cm 2 which was calculated from Randles-Sevick equation. 45 The number of electrons taking part in electrochemical oxidation depends on the type of analyte under investigation. UA undergoes a 2e − transfer process and Laviron equation is used to validate the number of electrons transferred during the reaction.…”

Section: Pa Pcmentioning

confidence: 99%

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Review—Electrochemical Sensing of Uric Acid: Methods and Recent Materials

Dhinasekaran,

John,

Subashchandran

2024

J. Electrochem. Soc.

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Uric acid (UA) is an important biomarker in blood to diagnosis diseases linked with hyperuricemia. Although several detection methods exist for UA sensing, electrochemical method has emerged as a promising alternative. For effective performance of a biosensor, the choice of electroactive material plays a crucial role. The developed electrodes are enzymatic and non-enzymatic with modified nano-structures of metal oxides, ferrites and carbon-based materials. Several combinations of nanocomposites using metal oxides with carbon-based compounds show promising results for biosensor applications. This is attributed to its functional groups, higher surface area and porous nature that can improve the sensing performance as it requires only quick-time processing with inexpensive and direct detection methods. The electrochemical method uses anodic peak current which is the analytical signal to sense the electrochemical oxidation of UA. This technique paves a new way to make electrodes for point-of-detection devices in near future. It could be the next generation of non-invasive analysis for food hygiene as well as biomedical and clinical applications. This review focuses on materials used in electrochemical sensing of UA and discusses on the application of different electrochemical techniques in UA detection.

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Section: Pa Pcmentioning

confidence: 88%

Section: Pa Pcmentioning

confidence: 99%