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Tyszczuk-Rotko K, Staniec K, Hanaka A. Green and cost-effective voltammetric assay based on activated glassy carbon electrode for determination of the plant growth regulator methyl jasmonate. Biosens Bioelectron 2025; 274:117217. [PMID: 39892336 DOI: 10.1016/j.bios.2025.117217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2024] [Revised: 01/23/2025] [Accepted: 01/28/2025] [Indexed: 02/03/2025]
Abstract
A green, cost-effective, and efficient square-wave voltammetric (SWV) assay based on an electrochemically activated glassy carbon electrode (aGCE) for the determination of the plant growth regulator methyl jasmonate (MeJA) was developed. The activation was performed by anodization in 0.1 mol L-1 NaOH by 5 cyclic voltammetric measurements in the potential range of 0-2 V at a scan rate of 100 mV s-1. Cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS) and X-ray photoelectron spectroscopy (XPS) were applied to analyze the difference between the bare GCE and the aGCE in terms of their electrochemical properties. The functionalization of the GCE surface by oxygen-containing groups not only creates new active sites but also improves electron transfer dynamics and electrocatalytic activity. The SWV procedure displays a wide linear response from 0.1 to 50.0 μmol L-1, a low LOD = 0.027 μmol L-1, and LOQ = 0.097 μmol L-1. The aGCE was successfully applied to MeJA analysis in Phaseolus coccineus leaf extracts.
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Affiliation(s)
- Katarzyna Tyszczuk-Rotko
- Faculty of Chemistry, Institute of Chemical Sciences, Maria Curie-Skłodowska University in Lublin, 20-031, Lublin, Poland.
| | - Katarzyna Staniec
- Faculty of Chemistry, Institute of Chemical Sciences, Maria Curie-Skłodowska University in Lublin, 20-031, Lublin, Poland
| | - Agnieszka Hanaka
- Department of Plant Physiology and Biophysics, Faculty of Biology and Biotechnology, Institute of Biological Sciences, Maria Curie-Skłodowska University in Lublin, 20-033, Lublin, Poland
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Liao H, Gao Y, Wang L, Cheng S, Liu D, Du H, Lin L. Chemical Doping and O-Functionalization of Carbon-Based Electrode to Improve Vanadium Redox Flow Batteries. CHEMSUSCHEM 2024; 17:e202400705. [PMID: 38818626 DOI: 10.1002/cssc.202400705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 05/26/2024] [Accepted: 05/28/2024] [Indexed: 06/01/2024]
Abstract
The vanadium redox flow battery (VRFB) holds promise for large-scale energy storage applications, despite its lower energy and power densities compared to advanced secondary batteries available today. Carbon materials are considered suitable catalyst electrodes for improving many aspects of the VRFB. However, pristine graphite structures in carbon materials are catalytically inert and require modification to activate their catalytic activity. Among the various strategies developed so far, O-functionalization and chemical doping of carbon materials are considered some of the most promising pathways to regulate their electronic structures. Building on the catalytic mechanisms involved in the VRFB, this concise review discusses recent advancements in the O-functionalization and chemical doping of carbon materials. Furthermore, it explores how these materials can be tailored and highlights future directions for developing more promising VRFBs to guide future research.
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Affiliation(s)
- Huanxi Liao
- Hubei Longzhong Laboratory, Hubei University of Arts and Science, Xiangyang, 441000, Hubei, China
- Strait Institute of Flexible Electronics (SIFE, Future Technologies), Fujian Key Laboratory of Flexible Electronics, Fujian Normal University and Strait Laboratory of Flexible Electronics (SLoFE), Fuzhou, 350117, China
| | - Yu Gao
- Strait Institute of Flexible Electronics (SIFE, Future Technologies), Fujian Key Laboratory of Flexible Electronics, Fujian Normal University and Strait Laboratory of Flexible Electronics (SLoFE), Fuzhou, 350117, China
| | - Lijing Wang
- Strait Institute of Flexible Electronics (SIFE, Future Technologies), Fujian Key Laboratory of Flexible Electronics, Fujian Normal University and Strait Laboratory of Flexible Electronics (SLoFE), Fuzhou, 350117, China
| | - Shuyu Cheng
- Strait Institute of Flexible Electronics (SIFE, Future Technologies), Fujian Key Laboratory of Flexible Electronics, Fujian Normal University and Strait Laboratory of Flexible Electronics (SLoFE), Fuzhou, 350117, China
| | - Dezheng Liu
- Hubei Longzhong Laboratory, Hubei University of Arts and Science, Xiangyang, 441000, Hubei, China
| | - Hongfang Du
- Strait Institute of Flexible Electronics (SIFE, Future Technologies), Fujian Key Laboratory of Flexible Electronics, Fujian Normal University and Strait Laboratory of Flexible Electronics (SLoFE), Fuzhou, 350117, China
| | - Liangxu Lin
- Strait Institute of Flexible Electronics (SIFE, Future Technologies), Fujian Key Laboratory of Flexible Electronics, Fujian Normal University and Strait Laboratory of Flexible Electronics (SLoFE), Fuzhou, 350117, China
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Radinger H, Trouillet V, Bauer F, Scheiba F. Work Function Describes the Electrocatalytic Activity of Graphite for Vanadium Oxidation. ACS Catal 2022. [DOI: 10.1021/acscatal.2c00334] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hannes Radinger
- Institute for Applied Materials, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, Eggenstein-Leopoldshafen 76344, Germany
| | - Vanessa Trouillet
- Institute for Applied Materials, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, Eggenstein-Leopoldshafen 76344, Germany
| | - Felix Bauer
- Institute for Applied Materials, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, Eggenstein-Leopoldshafen 76344, Germany
| | - Frieder Scheiba
- Institute for Applied Materials, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, Eggenstein-Leopoldshafen 76344, Germany
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