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Sun Y. Research on Detection of Sterol Doping in Sports by Electrochemical Sensors: A Review. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2022; 2022:3394079. [PMID: 36117750 PMCID: PMC9477621 DOI: 10.1155/2022/3394079] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 08/29/2022] [Indexed: 06/15/2023]
Abstract
The use of doping by athletes to improve performance is prohibited. Therefore, doping testing is an important step to ensure fairness in sports. Doping is gradually metabolized in the body and is therefore difficult to detect immediately by a common method. At the same time, the emergence of new doping agents poses a challenge for highly sensitive detection. Electrochemical sensors are a fast, highly sensitive, and inexpensive analytical detection technology. It provides qualitative and quantitative determination of analytes by altering the electrochemical signal of the analyte or probe at the electrode. In this min-review, we summarized the different electrochemical sensing strategies for sterol doping detection. Some of the representative papers were interpreted in detail. In addition, we compare different sensing strategies.
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Affiliation(s)
- Yunyan Sun
- Physical Education Department, Nanyang Institute of Technology, Nanyang, Henan 473000, China
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Yang J, Sun L, Shen X, Dai M, Ali I, Peng C, Naz I. An overview of the methods for analyzing the chemical forms of metals in plants. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2022; 24:1418-1430. [PMID: 35148204 DOI: 10.1080/15226514.2022.2033687] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Currently, the occurrence of toxic levels of metals in soils is a serious environmental issue worldwide. Phytoremediation is getting much attention to control metals soil pollution because it is economic and environmentally friendly. However, the methods used to detect metals in plants are not uniform and have depicted poor comparability of the research investigations. Therefore, the present overview is designed to discuss the possible chemical forms of metals in various environmental matrixes and the detection methods employed to identify the chemical forms of metals in plants. Moreover, the in situ and indirect methods to detect metals in plants have also been discussed herein. In addition, the pros and cons of the available techniques have also been critically analyzed and discussed. Finally, key points/challenges and future perspectives of these methods have been highlighted for the scientific community.Novelty statementIn the current review, the possible chemical forms of metals in various environmental matrixes are discussed in detail. Various extraction agents and their efficiency for extracting metals from plants have been clearly illustrated. Further, all the available methods for analyzing the chemical forms of metals in plants have been compared.
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Affiliation(s)
- Jiawei Yang
- The Key Lab of Marine Environmental Science and Ecology, Ministry of Education, College of Environmental Science and Engineering, Ocean University of China, Qingdao, China
| | - Lin Sun
- The Key Lab of Marine Environmental Science and Ecology, Ministry of Education, College of Environmental Science and Engineering, Ocean University of China, Qingdao, China
| | - Xing Shen
- The Key Lab of Marine Environmental Science and Ecology, Ministry of Education, College of Environmental Science and Engineering, Ocean University of China, Qingdao, China
| | - Min Dai
- School of Environmental and Chemical Engineering, Zhaoqing University, Zhaoqing, China
| | - Imran Ali
- The Key Lab of Marine Environmental Science and Ecology, Ministry of Education, College of Environmental Science and Engineering, Ocean University of China, Qingdao, China
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, China
| | - Changsheng Peng
- The Key Lab of Marine Environmental Science and Ecology, Ministry of Education, College of Environmental Science and Engineering, Ocean University of China, Qingdao, China
- School of Environmental and Chemical Engineering, Zhaoqing University, Zhaoqing, China
| | - Iffat Naz
- Department of Biology, Deanship of Educational Services, Qassim University, Buraidah, Kingdom of Saudi Arabia (KSA)
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Elkady EF, Fouad MA, Faquih AAE. A Versatile Stability-indicating Liquid Chromatographic Method for the Simultaneous Determination of Atenolol, Hydrochlorothiazide and Chlorthalidone. CURR PHARM ANAL 2020. [DOI: 10.2174/1573412915666190523122525] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Atenolol is a selective beta 1 blocker that can be used alone or in combination
with hydrochlorothiazide or with chlorthalidone for the treatment of hypertension and prevention from a
heart attack.
Objective:
The main target of this work was to improve modern, easy, accurate and selective liquid
chromatographic method (RP-HPLC) for the determination of these drugs in the presence of their degradation
products. These methods can be used as analytical gadgets in quality control laboratories for a
routine examination.
Methods:
In this method, the separation was accomplished through an Inertsil® ODS-3V C18 column
(250 mm x 4.6 mm, 5 μm), the mobile phase used was 25 mM aqueous potassium dihydrogen orthophosphate
solution adjusted to pH 6.8 by using 0.1M sodium hydroxide and acetonitrile (77 : 23, v/v),
the flow rate used was 1 ml/min and detection was achieved at 235 nm using UV.
Results:
All peaks were sharp and well separated, the retention times were atenolol degradation (ATN
Deg.) 2.311 min, atenolol (ATN) 2.580 min, hydrochlorothiazide degradation (HCT Deg.) 5.890 min,
hydrochlorothiazide (HCT) 7.016 min, chlorthalidone degradation CTD Deg 8.018 min and chlorthalidone
(CTD) 14.972 min. Linearity was obtained and the range of concentrations was 20- 160 μg/ml for
atenolol, 10-80 μg/ml for hydrochlorothiazide and 10-80 μg/ml for chlorthalidone. According to ICH
guidelines, method validation was accomplished, these methods include linearity, accuracy, selectivity,
precision and robustness.
Conclusion:
The optimized method demonstrated to be specific, robust and accurate for the quality
control of the cited drugs in pharmaceutical dosage forms.
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Affiliation(s)
- Ehab Farouk Elkady
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini St., Cairo 11562, Egypt
| | - Marwa Ahmed Fouad
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini St., Cairo 11562, Egypt
| | - Abdulgabar A. Ezzy Faquih
- Pharmaceutical Chemistry Department, Faculty of Clinical Pharmacy, Hodeida University, Hodeida, Yemen
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