Utilizing epicatechin voltammetric oxidation signal for the estimation of total phenolic content in the tea samples via the unmodified boron-doped diamond electrode surface

Ali, Hoshyar Saadi; Barzani, Hemn A.H.; Yardım, Yavuz

doi:10.1016/j.microc.2023.108572

Cited by 15 publications

(4 citation statements)

References 62 publications

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“…Implementing an activation method similar to the ones outlined in the literature [ 34 ] is necessary. As per our earlier research work, the BDD surface underwent pretreatment with it [ 35-37 ]. Each day of the experiment commenced with subjecting the BDD electrode to anodic (APT) and cathodic (CPT) pretreatment in 0.5 mol L -1 H 2 SO 4 .…”

Section: Methodsmentioning

confidence: 99%

Fast and simple voltammetric sensing of avanafil in the pharmaceutical formulation by using unmodified boron-doped diamond electrode

Ali,

Barzani,

Yardim

2024

ADMET DMPK

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Background and purpose: Erectile dysfunction is a common issue among adult males involving difficulty in maintaining an erection, and it is often treated with fast-acting, low-side-effect drugs like avanafil (AVN), among other phosphodiesterase-5 inhibitors. Hence, developing fast, simple, and sensitive methods to detect AVN is crucial. Experimental approach: This study conducts an electroanalytical inquiry and provides a new voltammetric method for accurately analyzing AVN utilizing a boron-doped diamond (BDD) electrode without any modifications. Key results: In the Britton-Robinson buffer (BR, 0.04 mol L-1, pH 4.0), cyclic voltammetry showed a clearly defined and irreversible anodic peak at around +1.44 V relative to Ag/AgCl. The pH of the solution was shown to have an impact on the voltammetric signals of the oxidation peaks. A good linear response for AVN quantification was achieved using square-wave voltammetry. This was done in a 0.04 mol L-1 BR (pH 4.0) solution at a potential of +1.33 V (vs. Ag/AgCl). The method exhibited a wide dynamic range of 0.5 to 30.0 μg mL-1 (1.0 to 62 µmol L-1) and a low limit of detection of 0.14 μg mL-1 (0.29 µmol L-1). The method proposed demonstrated suitability for determining AVN content in pharmaceutical formulations. The accuracy of the approach was demonstrated by comparing the results obtained using the developed method with those achieved using the UV-Vis spectrometry method. Conclusion: Our method simplifies the analytical process by eliminating the need for electrode modification, reducing both time and resource requirements while enhancing overall feasibility.

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Section: Methodsmentioning

confidence: 99%

Fast and simple voltammetric sensing of avanafil in the pharmaceutical formulation by using unmodified boron-doped diamond electrode

Ali,

Barzani,

Yardim

2024

ADMET DMPK

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“…In contrast, electrochemical methods offer a more environmentally friendly approach and are preferred for analyzing electroactive compounds in various fields, such as agriculture, food, pharmaceuticals, and healthcare. − Among electroanalytical techniques, voltammetry stands out as one of the most commonly used methods, particularly in drug analysis. These electrochemical methods offer several advantages, including shorter analysis times, lower costs, reduced use of organic solvents, high sensitivity, precise analytical capabilities, and the ability to analyze small sample volumes. − …”

Section: Introductionmentioning

confidence: 99%

Electrochemical Behavior of Janus Kinase Inhibitor Ruxolitinib at a Taurine-Electropolymerized Carbon Paste Electrode: Insights into Sensing Mechanisms

Subak,

Talay Pınar

2024

ACS Appl. Bio Mater.

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Ruxolitinib (RXL) is a Janus kinase inhibitor used for treating intermediate- or high-risk myelofibrosis. This study presents an electrode modified with electrochemically polymerized taurine on a carbon paste electrode via cyclic voltammetry (CV). The surface characterization of the poly(taurine)-CP electrode was evaluated by using electrochemical (electrochemical impedance spectroscopyEIS, CV), morphological (scanning electron microscopeSEM), and spectroscopic (Fourier-transform infrared spectroscopyFT-IR) techniques. Under optimized conditions, RXL exhibited good linearity within the 0.01–1.0 μM concentration range, with a limit of detection (LOD) of 0.005 μM. The proposed electrochemical sensor demonstrated excellent selectivity, accuracy, precision, and repeatability. Furthermore, it effectively detected RXL in human urine and pharmaceutical samples.

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“…Electrochemical methods, on the other hand, have a more environmentally friendly feature than other methods and are preferred in the analysis of electro‐active compounds used in many areas (such as agriculture, food, plants, healty, and drugs) [21–29] . Voltammetry, one of the most used electroanalytical techniques, is widely used especially in drug analysis.…”

Section: Introductionmentioning

confidence: 99%

“…Electrochemical methods, on the other hand, have a more environmentally friendly feature than other methods and are preferred in the analysis of electro-active compounds used in many areas (such as agriculture, food, plants, healty, and drugs). [21][22][23][24][25][26][27][28][29] Voltammetry, one of the most used electroanalytical techniques, is widely used especially in drug analysis. These methods have many advantages such as short analysis time, low cost, low use of organic solvents, high sensitivity, precise analytical capabilities, and analysis in low volumes.…”

Section: Introductionmentioning

confidence: 99%

Electrochemical Determination of Anti‐Cancer Drug Dabrafenib with High Sensitivity Using Multi‐Walled Carbon Nano Tubes Modified Glassy Carbon Electrode

Mete,

Talay Pınar

2024

ChemistrySelect

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Dabrafenib (DAB) is an organofluor compound and a protein kinase inhibitor used as the mesylate salt in the treatment of metastatic melanoma. For the first time, the electrochemical investigation of the anticancer drug DAB in human serum was conducted using a glassy carbon electrode modified with multi‐walled carbon nanotubes (MWCNTs), employing cyclic voltammetry and square wave voltammetry (SWV) techniques. Electrochemical impedance spectroscopy, cyclic voltammetry, and scanning electron microscopy (SEM) techniques were utilized to analyze the surface morphology and structure of the MWCNT/GC electrode. In the proposed method using optimized experimental conditions, two different linearities were obtained for DAB in the concentration range of 0.04–0.8 μM and 1.0–10.0 μM. The LOD value obtained is 0.014 μM. In this study, the resulting electrochemical sensor was applied for the first time to investigate the electrochemical behavior of DAB with high sensitivity and reproducibility, as well as the possible electrochemical oxidation mechanism.

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Utilizing epicatechin voltammetric oxidation signal for the estimation of total phenolic content in the tea samples via the unmodified boron-doped diamond electrode surface

Cited by 15 publications

References 62 publications

Fast and simple voltammetric sensing of avanafil in the pharmaceutical formulation by using unmodified boron-doped diamond electrode

Fast and simple voltammetric sensing of avanafil in the pharmaceutical formulation by using unmodified boron-doped diamond electrode

Electrochemical Behavior of Janus Kinase Inhibitor Ruxolitinib at a Taurine-Electropolymerized Carbon Paste Electrode: Insights into Sensing Mechanisms

Electrochemical Determination of Anti‐Cancer Drug Dabrafenib with High Sensitivity Using Multi‐Walled Carbon Nano Tubes Modified Glassy Carbon Electrode

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