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Sankar K, Kuzmanović U, Schaus SE, Galagan JE, Grinstaff MW. Strategy, Design, and Fabrication of Electrochemical Biosensors: A Tutorial. ACS Sens 2024; 9:2254-2274. [PMID: 38636962 DOI: 10.1021/acssensors.4c00043] [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] [Indexed: 04/20/2024]
Abstract
Advanced healthcare requires novel technologies capable of real-time sensing to monitor acute and long-term health. The challenge relies on converting a real-time quantitative biological and chemical signal into a desired measurable output. Given the success in detecting glucose and the commercialization of glucometers, electrochemical biosensors continue to be a mainstay of academic and industrial research activities. Despite the wealth of literature on electrochemical biosensors, reports are often specific to a particular application (e.g., pathogens, cancer markers, glucose, etc.), and most fail to convey the underlying strategy and design, and if it is transferable to detection of a different analyte. Here we present a tutorial review for those entering this research area that summarizes the basic electrochemical techniques utilized as well as discusses the designs and optimization strategies employed to improve sensitivity and maximize signal output.
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Yurtsever F, Jiang W, Mudalige T. An Automated Electroanalytical Method for the Drug Release Profiling of Liposomal Doxorubicin HCl Formulations. J Pharm Sci 2024; 113:791-797. [PMID: 38072115 DOI: 10.1016/j.xphs.2023.11.035] [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: 09/20/2023] [Revised: 11/29/2023] [Accepted: 11/29/2023] [Indexed: 02/20/2024]
Abstract
Liposomes have emerged as a drug delivery system for various chemotherapeutics providing enhanced bioavailability and reduced toxicity. In vitro drug release profiling of liposomal formulations is one of the essential tests for the premarket approval and post market quality control. We developed an automated electroanalytical method for drug release profiling of liposomal doxorubicin formulation. In this electroanalytical method, square wave voltammetry mode was selected to determine the released drug, the only redox-active analyte, by measuring the current at the pulsed potential ranges. Therefore, no separation from liposomal encapsulated doxorubicin is needed. This electroanalytical method provided a continuous drug release measurement for 24 h. The drug release increased as the release media pH and temperature increased. At 37 °C, the drug release increased from 7 % to 40 % when the pH increased from 5.5 to 7.4, In addition, at pH 6.5, as the temperature increased from 37 °C to 52 °C, total drug release increased by more than two-fold. Complete drug release (more than 80 %) was obtained at pH 6.5 and 52 °C in less than 3 h. The brand name and the two generic formulations showed similar drug release profile in all experimental conditions. This method is an alternative to traditional methods which require separation steps such as dialysis or solid phase extraction to quantitate released doxorubicin. This method may be further applied in the in vitro release testing of other liposomal formulations containing redox-active drug substances, e.g., liposomes encapsulating daunorubicin.
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Affiliation(s)
- Fatma Yurtsever
- Arkansas Laboratory, Office of Regulatory Affairs, U.S. Food and Drug Administration, Jefferson, AR 72079, USA
| | - Wenlei Jiang
- Office of Research and Standards, Office of Generic Drugs, Center for Drug Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD, 20993, USA.
| | - Thilak Mudalige
- Arkansas Laboratory, Office of Regulatory Affairs, U.S. Food and Drug Administration, Jefferson, AR 72079, USA.
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3
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Zhang H, Jiang H, Liu X, Wang X. A review of innovative electrochemical strategies for bioactive molecule detection and cell imaging: Current advances and challenges. Anal Chim Acta 2024; 1285:341920. [PMID: 38057043 DOI: 10.1016/j.aca.2023.341920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 10/13/2023] [Accepted: 10/14/2023] [Indexed: 12/08/2023]
Abstract
Cellular heterogeneity poses a major challenge for tumor theranostics, requiring high-resolution intercellular bioanalysis strategies. Over the past decades, the advantages of electrochemical analysis, such as high sensitivity, good spatio-temporal resolution, and ease of use, have made it the preferred method to uncover cellular differences. To inspire more creative research, herein, we highlight seminal works in electrochemical techniques for biomolecule analysis and bioimaging. Specifically, micro/nano-electrode-based electrochemical techniques enable real-time quantitative analysis of electroactive substances relevant to life processes in the micro-nanostructure of cells and tissues. Nanopore-based technique plays a vital role in biosensing by utilizing nanoscale pores to achieve high-precision detection and analysis of biomolecules with exceptional sensitivity and single-molecule resolution. Electrochemiluminescence (ECL) technology is utilized for real-time monitoring of the behavior and features of individual cancer cells, enabling observation of their dynamic processes due to its capability of providing high-resolution and highly sensitive bioimaging of cells. Particularly, scanning electrochemical microscopy (SECM) and scanning ion conductance microscopy (SICM) which are widely used in real-time observation of cell surface biological processes and three-dimensional imaging of micro-nano structures, such as metabolic activity, ion channel activity, and cell morphology are introduced in this review. Furthermore, the expansion of the scope of cellular electrochemistry research by innovative functionalized electrodes and electrochemical imaging models and strategies to address future challenges and potential applications is also discussed in this review.
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Affiliation(s)
- Hao Zhang
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Hui Jiang
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China
| | - Xiaohui Liu
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China.
| | - Xuemei Wang
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing, Jiangsu 210096, China.
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Matvieiev O, Šelešovská R, Marton M, Hatala M, Metelka R, Weis M, Vojs M. Effect of different modification by gold nanoparticles on the electrochemical performance of screen-printed sensors with boron-doped diamond electrode. Sci Rep 2023; 13:21525. [PMID: 38057545 DOI: 10.1038/s41598-023-48834-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 11/30/2023] [Indexed: 12/08/2023] Open
Abstract
Screen-printed sensors with chemically deposited boron-doped diamond electrodes (BDDE) were modified with different types of gold nanoparticles (AuNPs) according to a new original procedure. Physically and electrochemically deposited AuNPs had various sizes and also nanoporous character. They also differ in shape and density of surface coverage. The developed sensors were characterized using scanning electron microscopy and Raman spectroscopy. Their electrochemical properties were studied using cyclic voltammetry and electrochemical impedance spectrometry of selected outer sphere ([Ru(NH3)6]Cl3) and inner sphere (K3[Fe(CN)6], dopamine) redox markers. The application possibilities of such novel screen-printed sensors with BDDE modified by AuNPs were verified in the analysis of the neurotransmitter dopamine. The best analytical performance was achieved using printed sensors modified with the smallest AuNPs. The achieved limit of detection values in nanomolar concentrations (2.5 nmol L-1) are much lower than those of unmodified electrodes, which confirms the significant catalytic effects of gold nanoparticles on the surface of the working electrode. Sensors with the best electrochemical properties were successfully applied in the analysis of a model solution and spiked urine samples.
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Affiliation(s)
- Oleksandr Matvieiev
- Faculty of Chemical Technology, Institute of Environmental and Chemical Engineering, University of Pardubice, Studentská 573, 532 10, Pardubice, Czech Republic
| | - Renáta Šelešovská
- Faculty of Chemical Technology, Institute of Environmental and Chemical Engineering, University of Pardubice, Studentská 573, 532 10, Pardubice, Czech Republic.
| | - Marián Marton
- Faculty of Electrical Engineering and Information Technology, Institute of Electronics and Photonics, Slovak University of Technology in Bratislava, Ilkovičova 3, Bratislava, 812 19, Slovak Republic
| | - Michal Hatala
- Department of Graphic Arts Technology and Applied Photochemistry, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, Bratislava, 812 37, Slovak Republic
| | - Radovan Metelka
- Department of Analytical Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 532 10, Pardubice, Czech Republic
| | - Martin Weis
- Faculty of Electrical Engineering and Information Technology, Institute of Electronics and Photonics, Slovak University of Technology in Bratislava, Ilkovičova 3, Bratislava, 812 19, Slovak Republic
| | - Marian Vojs
- Faculty of Electrical Engineering and Information Technology, Institute of Electronics and Photonics, Slovak University of Technology in Bratislava, Ilkovičova 3, Bratislava, 812 19, Slovak Republic
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5
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Das R, Nag S, Banerjee P. Electrochemical Nanosensors for Sensitization of Sweat Metabolites: From Concept Mapping to Personalized Health Monitoring. Molecules 2023; 28:1259. [PMID: 36770925 PMCID: PMC9920341 DOI: 10.3390/molecules28031259] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/11/2023] [Accepted: 01/17/2023] [Indexed: 01/31/2023] Open
Abstract
Sweat contains a broad range of important biomarkers, which may be beneficial for acquiring non-invasive biochemical information on human health status. Therefore, highly selective and sensitive electrochemical nanosensors for the non-invasive detection of sweat metabolites have turned into a flourishing contender in the frontier of disease diagnosis. A large surface area, excellent electrocatalytic behavior and conductive properties make nanomaterials promising sensor materials for target-specific detection. Carbon-based nanomaterials (e.g., CNT, carbon quantum dots, and graphene), noble metals (e.g., Au and Pt), and metal oxide nanomaterials (e.g., ZnO, MnO2, and NiO) are widely used for modifying the working electrodes of electrochemical sensors, which may then be further functionalized with requisite enzymes for targeted detection. In the present review, recent developments (2018-2022) of electrochemical nanosensors by both enzymatic as well as non-enzymatic sensors for the effectual detection of sweat metabolites (e.g., glucose, ascorbic acid, lactate, urea/uric acid, ethanol and drug metabolites) have been comprehensively reviewed. Along with this, electrochemical sensing principles, including potentiometry, amperometry, CV, DPV, SWV and EIS have been briefly presented in the present review for a conceptual understanding of the sensing mechanisms. The detection thresholds (in the range of mM-nM), sensitivities, linear dynamic ranges and sensing modalities have also been properly addressed for a systematic understanding of the judicious design of more effective sensors. One step ahead, in the present review, current trends of flexible wearable electrochemical sensors in the form of eyeglasses, tattoos, gloves, patches, headbands, wrist bands, etc., have also been briefly summarized, which are beneficial for on-body in situ measurement of the targeted sweat metabolites. On-body monitoring of sweat metabolites via wireless data transmission has also been addressed. Finally, the gaps in the ongoing research endeavors, unmet challenges, outlooks and future prospects have also been discussed for the development of advanced non-invasive self-health-care-monitoring devices in the near future.
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Affiliation(s)
- Riyanka Das
- Surface Engineering & Tribology Group, CSIR-Central Mechanical Engineering Research Institute, Mahatma Gandhi Avenue, Durgapur 713209, West Bengal, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
| | - Somrita Nag
- Surface Engineering & Tribology Group, CSIR-Central Mechanical Engineering Research Institute, Mahatma Gandhi Avenue, Durgapur 713209, West Bengal, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
| | - Priyabrata Banerjee
- Surface Engineering & Tribology Group, CSIR-Central Mechanical Engineering Research Institute, Mahatma Gandhi Avenue, Durgapur 713209, West Bengal, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
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Meoipun A, Kaewjua K, Chailapakul O, Siangproh W. A simple and fast flow injection amperometry for the determination of methimazole in pharmaceutical preparations using an unmodified boron-doped diamond electrode. ADMET AND DMPK 2023; 11:303-315. [PMID: 37325121 PMCID: PMC10262230 DOI: 10.5599/admet.1584] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 12/29/2022] [Indexed: 11/07/2023] Open
Abstract
In this work, an automated flow injection analysis (FIA) connected to a boron-doped diamond electrode (BDDE) was originally developed for the analysis of methimazole in pharmaceutical preparations. At a modification-free BDDE, methimazole was easilly oxidized. For the analysis of the mechanisms occurring at the electrode surface, cyclic voltammetry was employed to evaluate the impact of fundamental experimental parameters, such as pH and scan rate, on the BDDE response. For the quantitative detection, the FIA amperometric approach was constructed and used as a fast and sensitive method. The suggested approach provided a broad linear range of 0.5-50 μmol/L and a low detection limit of 10 nmol/L (signal-to-noise ratio = 3). Furthermore, the BDDE was successfully utilized to quantify methimazole in genuine samples from a variety of medicines, and its performance remained steady after more than 50 tests. The findings of amperometric measurements exhibit excellent repeatability, with relative standard deviations of less than 3.9 and 4.7 % for intra-day and inter-day, respectively. The findings indicated that, compared with traditional approaches, the suggested method has the following advantages: quick analysis time, simplicity, highly sensitive output, and no need for complicated operational processes.
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Affiliation(s)
- Adison Meoipun
- Department of Chemistry, Faculty of Science, Srinakharinwirot University, Sukhumvit 23 Rd. Wattana, Bangkok, 10110, Thailand
| | - Kantima Kaewjua
- Department of Chemistry, Faculty of Science, Srinakharinwirot University, Sukhumvit 23 Rd. Wattana, Bangkok, 10110, Thailand
| | - Orawon Chailapakul
- Electrochemistry and Optical Spectroscopy Center of Excellence, Department of Chemistry, Faculty of Science, Chulalongkorn University, Pathumwan, Bangkok 10330, Thailand
| | - Weena Siangproh
- Department of Chemistry, Faculty of Science, Srinakharinwirot University, Sukhumvit 23 Rd. Wattana, Bangkok, 10110, Thailand
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7
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Stoytcheva M, Zlatev R, Velkova Z, Gochev V, Valdez B, Curiel M. A Zirconia‐Nanoparticles‐Modified Carbon Paste Electrode for Voltammetric Determination of Ibuprofen. ChemistrySelect 2022. [DOI: 10.1002/slct.202203950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Margarita Stoytcheva
- Instituto de Ingeniería Universidad Autónoma de Baja California Mexicali México 21280
| | - Roumen Zlatev
- Instituto de Ingeniería Universidad Autónoma de Baja California Mexicali México 21280
| | - Zdravka Velkova
- Department Chemical Sciences Medical University of Plovdiv Faculty of Pharmacy Plovdiv Bulgaria
| | - Velizar Gochev
- Department Biochemistry and Microbiology Plovdiv University “P. Hilendarski” Faculty of Biology Plovdiv Bulgaria
| | - Benjamin Valdez
- Instituto de Ingeniería Universidad Autónoma de Baja California Mexicali México 21280
| | - Mario Curiel
- Instituto de Ingeniería Universidad Autónoma de Baja California Mexicali México 21280
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8
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Karthik V, Selvakumar P, Senthil Kumar P, Satheeskumar V, Godwin Vijaysunder M, Hariharan S, Antony K. Recent advances in electrochemical sensor developments for detecting emerging pollutant in water environment. CHEMOSPHERE 2022; 304:135331. [PMID: 35709842 DOI: 10.1016/j.chemosphere.2022.135331] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 05/07/2022] [Accepted: 06/10/2022] [Indexed: 06/15/2023]
Abstract
In the latest times, considerable studies have been performed closer to detecting emerging pollutant such as paracetamol in wastewater. Electrochemical sensor developments have recently started to determine in fewer concentrations effectively. The detection of paracetamol using standard protocols corresponding to electroanalytical techniques has a greater impact noticed in directing the detecting process toward biosensors. Non-enzymatic sensors are the peak of all electro analysis approaches. Functionalized materials, such as metal oxide nanoparticles, conducting polymers, and carbon-based materials for electrode surface functionalization have been used to create a fortification for distributing passive enzyme-free biosensors. Synergic effects are possible by enhancing loading capacity and mass transfer of reactants for attaining high analytical sensitivity using a variety of nanomaterials with large surface areas. The main focus of this study is to address the prevailing issues in the identification of paracetamol with the tasks in the non-enzymatic sensors field, followed by the useful methods of electro analysis studies.
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Affiliation(s)
- V Karthik
- Department of Industrial Biotechnology, Government College of Technology, Coimbatore, 641013, India
| | - P Selvakumar
- Department of Chemical Engineering, School of Mechanical, Chemical and Materials Engineering, Adama Science and Technology University, Adama, 1888, Ethiopia
| | - P Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India; Department of Biotechnology Engineering and Food Technology, Chandigarh University, Mohali, 140413, India.
| | - V Satheeskumar
- Department of Civil Engineering, Government College of Technology, Coimbatore, 641013, India
| | - M Godwin Vijaysunder
- Department of Industrial Biotechnology, Government College of Technology, Coimbatore, 641013, India
| | - S Hariharan
- Department of Industrial Biotechnology, Government College of Technology, Coimbatore, 641013, India
| | - K Antony
- Department of Industrial Biotechnology, Government College of Technology, Coimbatore, 641013, India
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9
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Affinity Assays for Cannabinoids Detection: Are They Amenable to On-Site Screening? BIOSENSORS 2022; 12:bios12080608. [PMID: 36005003 PMCID: PMC9405638 DOI: 10.3390/bios12080608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 07/27/2022] [Accepted: 08/04/2022] [Indexed: 12/02/2022]
Abstract
Roadside testing of illicit drugs such as tetrahydrocannabinol (THC) requires simple, rapid, and cost-effective methods. The need for non-invasive detection tools has led to the development of selective and sensitive platforms, able to detect phyto- and synthetic cannabinoids by means of their main metabolites in breath, saliva, and urine samples. One may estimate the time passed from drug exposure and the frequency of use by corroborating the detection results with pharmacokinetic data. In this review, we report on the current detection methods of cannabinoids in biofluids. Fluorescent, electrochemical, colorimetric, and magnetoresistive biosensors will be briefly overviewed, putting emphasis on the affinity formats amenable to on-site screening, with possible applications in roadside testing and anti-doping control.
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dos Santos AM, Junior AGT, Carvalho SG, Chorilli M. An updated review on properties, nanodelivery systems, and analytical methods for the determination of 5-fluorouracil in pharmaceutical and biological samples. Curr Pharm Des 2022; 28:1501-1512. [DOI: 10.2174/1381612828666220509150918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 03/22/2022] [Indexed: 11/22/2022]
Abstract
Abstract:
5-Fluorouracil (5-FU) is an antimetabolite drug used for over 70 years as first-line chemotherapy to treat various types of cancer, such as head, neck, breast and colorectal cancer. 5-FU acts mainly by inhibiting thymidylate synthase, thereby interfering with deoxyribonucleic acid (DNA) replication or by 5-FU incorporating into DNA, causing damage to the sequence of nucleotides. Being analogous to uracil, 5-FU enters cells using the same transport mechanism, where a is converted into active metabolites such as fluorouridine triphosphate (FUTP), fluorodeoxyuridine monophosphate (FdUMP), and fluorodeoxyuridine triphosphate (FdUTP). Currently, there are several nanodelivery systems being developed and evaluated at the preclinical level to overcome existing limitations to 5-FU chemotherapy, including liposomes, polymeric nanoparticles, polymeric micelles, nanoemulsions, mesoporous silica nanoparticles, and solid lipid nanoparticles. Therefore, it is essential to choose and develop suitable analytical methods for the quantification of 5-FU and its metabolites (5-fluorouridine and 5-fluoro-2-deoxyuridine) in pharmaceutical and biological samples. Among the analytical techniques, chromatographic methods are commonly the most used for the quantification of 5-FU from different matrices. However, other analytical methods have also been developed for the determination of 5-FU, such as electrochemical methods, a sensitive, selective, and precise technique, in addition to having a reduced cost. Here, we first review the physicochemical properties, mechanism of action, and advances in 5-FU nanodelivery systems. Next, we summarize the current progress of other chromatographic methods described to determine 5-FU. Lastly, we discuss the advantages of electrochemical methods for the identification and quantification of 5-FU and its metabolites in pharmaceutical and biological samples.
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Affiliation(s)
- Aline Martins dos Santos
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, SP, 14800-903, Brazil
| | | | - Suzana Gonçalves Carvalho
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, SP, 14800-903, Brazil
| | - Marlus Chorilli
- São Paulo State University (UNESP), School of Pharmaceutical Sciences, Araraquara, SP, 14800-903, Brazil
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Highly sensitive electrochemical sensor based on zirconium oxide-decorated gold nanoflakes nanocomposite 2,4-dichlorophenol detection. J APPL ELECTROCHEM 2022. [DOI: 10.1007/s10800-021-01655-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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12
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Sudha K, Elangovan A, Senthilkumar S, Jeevika A, Arivazhagan G. Electrocatalytic reduction of nitrofurantoin in biological sample based on assembly of ScMo anchored f-MCNNcs modified GCE. Microchem J 2022. [DOI: 10.1016/j.microc.2021.106943] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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13
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Martins FCOL, Pimenta LC, De Souza D. Antidepressants determination using an electroanalytical approach: A review of methods. J Pharm Biomed Anal 2021; 206:114365. [PMID: 34555633 DOI: 10.1016/j.jpba.2021.114365] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 09/02/2021] [Accepted: 09/04/2021] [Indexed: 01/07/2023]
Abstract
Antidepressants are the pharmaceutical compounds used in the treatment of depression, anxiety disorders and all related disturbances promoted by genetic factors, environmental problems or modern lifestyles. Nonetheless, the inadequate ingestion of antidepressants provokes adverse effects in the human body and can contaminate the environment. For this reason, it is necessary to identify and quantify these compounds in biological fluids, natural water, wastewater, and pharmaceutical formulations. Consequently, this review presents the main electroanalytical techniques used in the analysis of antidepressants, indicating the advantages, which include low cost, suitable analytical parameters, simplified sample preparation steps, easy operation and reduced time for completion of the analysis. Reports in specialized literature, published from 2000 to 2020, are presented and some are discussed, demonstrating that the electroanalytical techniques can be employed, with success, in the determination of antidepressants, indicating alternative methodologies to improve analytical parameters and minimize the use and generation of toxic residues.
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Affiliation(s)
- Fernanda C O L Martins
- Green Analytical Chemistry Group (GEQAV), College of Agriculture "Luiz de Queiroz", São Paulo University, PO Box 9, Piracicaba, SP 13418-970, Brazil
| | - Laura C Pimenta
- Laboratory of Electroanalytical Applied to Biotechnology and Food Engineering (LEABE), Chemistry Institute, Uberlândia Federal University, Major Jerônimo street, 566, Patos de Minas, MG 38700-002, Brazil
| | - Djenaine De Souza
- Laboratory of Electroanalytical Applied to Biotechnology and Food Engineering (LEABE), Chemistry Institute, Uberlândia Federal University, Major Jerônimo street, 566, Patos de Minas, MG 38700-002, Brazil.
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14
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Thomaz DV, Contardi UA, Morikawa M, Santos PAD. Development of an affordable, portable and reliable voltametric platform for general purpose electroanalysis. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106756] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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15
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Mala NA, Sivakumar S, Batoo KM, Hadi M. Design and fabrication of iron-doped nickel oxide-based flexible electrode for high-performance energy storage applications. INORG CHEM COMMUN 2021. [DOI: 10.1016/j.inoche.2021.108797] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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16
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Lu X, Li Y, Duan X, Zhu Y, Xue T, Rao L, Wen Y, Tian Q, Cai Y, Xu Q, Xu J. A novel nanozyme comprised of electro-synthesized molecularly imprinted conducting PEDOT nanocomposite with graphene-like MoS2 for electrochemical sensing of luteolin. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106418] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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17
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Broli N, Vasjari M, Vallja L, Duka S, Shehu A, Cenolli S. Electrochemical determination of atenolol and propranolol using a carbon paste sensor modified with natural ilmenite. OPEN CHEM 2021. [DOI: 10.1515/chem-2021-0071] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Abstract
In this study, a simple voltammetric method was reported for independent determination of propranolol (PROP) and atenolol (ATN) in pharmaceutical tablets using carbon paste electrode modified with natural Ilmenite (CPE-I). The analytical performance of the modified sensor was evaluated using the square wave voltammetry and cyclic voltammetry for determination of both β(beta) blockers in 0.1 mol L−1 of sulfuric acid solution (H2SO4). The signal obtained with modified carbon paste electrode in 0.1 mol L−1 of H2SO4 showed a good electrocatalytic activity toward the oxidations of PROP and ATN compared with the bare one. The enhanced oxidation peak current response can be attributed to the catalytic effect of the ilmenite nanomaterial incorporated into the carbon paste electrode. Under optimal condition, good linear calibration curves were obtained ranging from 0.20 to 8.9 mmol L−1 for PROP and 2.0 to 9.9 µmol L−1 for ATN, with detection limits of 80 and 0.31 µmol L−1, respectively. The CPE-I sensor had good repeatability and reproducibility (RSD ≤ 3.2%) and high sensitivity for the detection of both ATN and PROP. The proposed sensor was applied for detection of these drugs in pharmaceutical tablets. The obtained results indicate that the voltammetric CPE-I sensor could be an alternative method for the routine quality control of the β blockers in complex matrices.
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Affiliation(s)
- Nevila Broli
- Department of Chemistry, Faculty of Natural Sciences, University of Tirana , Tirana , Albania
| | - Majlinda Vasjari
- Department of Chemistry, Faculty of Natural Sciences, University of Tirana , Tirana , Albania
| | - Loreta Vallja
- Department of Chemistry, Faculty of Natural Sciences, University of Tirana , Tirana , Albania
| | - Sonila Duka
- Department of Chemistry, Faculty of Natural Sciences, University of Tirana , Tirana , Albania
| | - Alma Shehu
- Department of Chemistry, Faculty of Natural Sciences, University of Tirana , Tirana , Albania
| | - Sadik Cenolli
- Department of Chemistry, Faculty of Natural Sciences, University of Tirana , Tirana , Albania
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Modified QuEChERS/UPLC-MS/MS method to monitor triclosan, ibuprofen, and diclofenac in fish Pseudoplatystoma magdaleniatum. FOOD ANAL METHOD 2021. [DOI: 10.1007/s12161-020-01951-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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19
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Anodic Stripping Voltammetry with the Hanging Mercury Drop Electrode for Trace Metal Detection in Soil Samples. CHEMOSENSORS 2021. [DOI: 10.3390/chemosensors9050107] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
The widely spread use of the hanging mercury drop electrode (HMDE) for multi-ion analysis is primarily ascribed to the following reasons: (i) excellent reproducibility owing to the easy renewal of the electrode surface avoiding any hysteresis effect (i.e., a new identical drop is generated for each measurement to be accomplished); (ii) a wide cathodic potential window originating from the passive hydrogen evolution and solvent electrolysis; (iii) the ability to form amalgams with many redox-active metal ions; and (iv) the achievement of (sub)nanomolar limits of detection. On the other hand, the main controversy of the HMDE usage is the high toxicity level of mercury, which has motivated the scientific community to question whether the HMDE deserves to continue being used despite its unique capability for multi-metal detection. In this work, the simultaneous determination of Zn2+, Cd2+, Pb2+, and Cu2+ using the HMDE is investigated as a model system to evaluate the main features of the technique. The analytical benefits of the HMDE in terms of linear range of response, reproducibility, limit of detection, proximity to ideal redox behavior of metal ions and analysis time are herein demonstrated and compared to other electrodes proposed in the literature as less-toxic alternatives to the HMDE. The results have revealed that the HMDE is largely superior to other reported methods in several aspects and, moreover, it displays excellent accuracy when simultaneously analyzing Zn2+, Cd2+, Pb2+, and Cu2+ in such a complex matrix as digested soils. Yet, more efforts are required towards the definitive replacement of the HMDE in the electroanalysis field, despite the elegant approaches already reported in the literature.
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Tolba M, Elmansi H. Studying the quenching resulted from the formation of an association complex between olsalazine or sulfasalazine with acriflavine. ROYAL SOCIETY OPEN SCIENCE 2021; 8:210110. [PMID: 33996130 PMCID: PMC8059630 DOI: 10.1098/rsos.210110] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Accepted: 03/22/2021] [Indexed: 05/03/2023]
Abstract
We report the detection and quantification of important ulcerative colitis drugs olsalazine (OLS) and sulfasalazine (SUL) by the spectrofluorometric method. The proposed method was optimized and validated by using the quenching effect on the acriflavine fluorescence. The method was applied on the detection and quantification of OLS and SUL under optimized conditions showing the calibration curves were linear (range: 1.0-10.0 µg ml-1), with correlation coefficients R 2 of 0.9999 for both drugs. The limits of detection (LOD) and quantification (LOQ) were 53 and 104 ng ml-1 for the OLS and 160 and 315 ng ml-1 for the SUL. This method permitted the analysis of OLS and SUL in their pure and pharmaceutical forms. The proposed spectrofluorimetric method was also evaluated against 'green' criteria and all the experimental results make it an eco-friendly and safe method for the detection of OLS and SUL.
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Affiliation(s)
- Manar Tolba
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
| | - Heba Elmansi
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
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21
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Tigari G, Manjunatha JG, D'Souza ES, Sreeharsha N. Surfactant and Polymer Composite Modified Electrode for the Sensitive Determination of Vanillin in Food Sample. ChemistrySelect 2021. [DOI: 10.1002/slct.202004370] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Girish Tigari
- Department ofChemistry, FMKMC College, Madikeri MangaloreUniversityConstituent College Karnataka India
| | - J. G. Manjunatha
- Department ofChemistry, FMKMC College, Madikeri MangaloreUniversityConstituent College Karnataka India
| | - Edwin S. D'Souza
- Department ofChemistry, FMKMC College, Madikeri MangaloreUniversityConstituent College Karnataka India
| | - Nagaraja Sreeharsha
- Department of Pharmaceutical Sciences College of Clinical Pharmacy, King Faisal University Al-Ahsa 31982 Saudi Arabia
- Department of Pharmaceutics Vidya Siri College of Pharmacy, Off Sarjapura Road Bengaluru 560 035, Karnataka India
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22
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Ağın F, Doğan İS. Voltammetric Methods Used in the Determination of Nucleoside Reverse Transcriptase Inhibitors. CURR PHARM ANAL 2021. [DOI: 10.2174/1573412916999200519141257] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Background:
The Human Immunodeficiency Virus (HIV) has now been established as the
causative agent of the Acquired Immunodeficiency Syndrome (AIDS) and exactly 25 antiretroviral
drugs have been formally approved for clinical use in the treatment of AIDS. The life quality and duration
of HIV-positive patients have increased with the usage of antiretroviral drugs in the treatment of
AIDS. Nucleoside Reverse Transcriptase Inhibitors (NRTIs) are one of the subgroups of antiretroviral.
Objective:
The quantification of drugs is important, as they make positive contributions to dose adjustments
in practice. Voltammetric methods are very powerful analytical methods used in the pharmaceutical
industry because of the determination of therapeutic agents and/or their metabolites in clinical
samples at extremely low concentrations (10-50 ng/ml).
Methods:
This review mainly includes the pharmacological properties and recent determination studies
by voltammetric methods from pharmaceutical dosage forms and biological samples of eight NRTIs
group antiretroviral drugs (zidovudine, abacavir, adefovir, entecavir, zalcitabine, didanosine, emtricitabine,
lamivudine) that are used in the clinic and show electroactive properties, were performed.
Conclusion:
Due to the variety of working electrodes in voltammetric methods, it is possible to choose
the electrode that best responds. In this way, the analysis of NRTIs was possible at lower concentrations
in pharmaceuticals and biological samples with voltammetric methods in these studies without
the necessity for the sample pre-treatment or time-consuming extraction steps. The voltammetric methods
provide good stability, repeatability, reproducibility and high recovery for the analysis of the analyte.
They could be used for the pharmacokinetic studies as well as for quality control laboratory studies.
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Affiliation(s)
- Fatma Ağın
- Department of Analytical Chemistry, Faculty of Pharmacy, Karadeniz Technical University, Trabzon,Turkey
| | - İnci Selin Doğan
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Karadeniz Technical University, Trabzon,Turkey
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23
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Gholizadeh H, Ong HX, Bradbury P, Kourmatzis A, Traini D, Young P, Li M, Cheng S. Real-time quantitative monitoring of in vitro nasal drug delivery by a nasal epithelial mucosa-on-a-chip model. Expert Opin Drug Deliv 2021; 18:803-818. [PMID: 33410717 DOI: 10.1080/17425247.2021.1873274] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
OBJECTIVES A human nasal epithelial mucosa (NEM) on-a-chip is developed integrated with a novel carbon nanofibers-modified carbon electrode for real-time quantitative monitoring of in vitro nasal drug delivery. The integration of platinum electrodes in the chip also enables real-time measurement of transepithelial electrical resistance (TEER). METHODS The air-liquid interface culture of nasal epithelial RPMI 2650 cells in the NEM-on-a-chip was optimized to mimic the key functional characteristics of the human nasal mucosa. The epithelial transport of ibuprofen in the NEM-on-a-chip was electrochemically monitored in real-time under static and physiologically realistic dynamic flow conditions. RESULTS The NEM-on-a-chip mimics the mucus production and nasal epithelial barrier function of the human nasal mucosa. The real-time drug quantification by the NEM-on-a-chip was validated versus the high-performance liquid chromatography method. The drug transport rate monitored in the NEM-on-a-chip was influenced by the flow in the bottom compartment of the chip, highlighting the importance of emulating the dynamic in vivo condition for nasal drug transport studies. CONCLUSION This novel NEM-on-a-chip can be a low-cost and time-efficient alternative to the costly laborious conventional techniques for in vitro nasal drug transport assays. Importantly, its dynamic microenvironment enables conducting nasal drug transport tests under physiologically relevant dynamic conditions.
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Affiliation(s)
- Hanieh Gholizadeh
- School of Engineering, Macquarie University, Sydney, NSW, Australia.,Respiratory Technology, Woolcock Institute of Medical Research, Glebe, NSW, Australia
| | - Hui Xin Ong
- Respiratory Technology, Woolcock Institute of Medical Research, Glebe, NSW, Australia.,Discipline of Pharmacology, Medicine and Health, University of Sydney, Camperdown, NSW, Australia
| | - Peta Bradbury
- Respiratory Technology, Woolcock Institute of Medical Research, Glebe, NSW, Australia
| | - Agisilaos Kourmatzis
- School of Aerospace, Mechanical and Mechatronic Engineering, University of Sydney, Camperdown, NSW, Australia
| | - Daniela Traini
- Respiratory Technology, Woolcock Institute of Medical Research, Glebe, NSW, Australia.,Discipline of Pharmacology, Medicine and Health, University of Sydney, Camperdown, NSW, Australia
| | - Paul Young
- Respiratory Technology, Woolcock Institute of Medical Research, Glebe, NSW, Australia.,Discipline of Pharmacology, Medicine and Health, University of Sydney, Camperdown, NSW, Australia
| | - Ming Li
- School of Engineering, Macquarie University, Sydney, NSW, Australia
| | - Shaokoon Cheng
- School of Engineering, Macquarie University, Sydney, NSW, Australia
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24
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Manganese dioxide (MnO2)/Fullerene-C60-Modified Electrodes for the Voltammetric Determination of Rifaximin. JOURNAL OF ANALYSIS AND TESTING 2021. [DOI: 10.1007/s41664-020-00151-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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25
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de Sousa PAR, Squissato AL, Munoz RAA, Coelho LM, de Melo EI, da Silva RAB. Cloud-point extraction associated with voltammetry: preconcentration and elimination of the sample matrix for trace determination of methyl parathion in honey. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:5801-5814. [PMID: 33319873 DOI: 10.1039/d0ay02057e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
This work presents the association of cloud point extraction (CPE) and electroanalysis for the selective and sensitive determination of methyl parathion (MP) in honey. The CPE step provided the pre-concentration of MP from a complex sample, in which the optimized extraction parameters (Triton X-100 concentration of 0.75% w/v, NaCl concentration of 1.0% w/v and heating time of 30 min) were investigated using a factorial design (23). The detection of MP was performed using a cathodically pre-treated boron-doped diamond (BDD) working electrode and square wave voltammetry (SWV), after a suitable dilution of the CPE extract in Britton-Robinson buffer pH 6.0 as the supporting electrolyte. MP presented three electrochemical processes over the BDD surface, but only the reduction peak at around -0.7 V was monitored for the MP determination (higher detectability). Improved reproducibility was reached by applying an in situ cleaning step (+2.0 V for 15 s) followed by a re-activation process (-2.0 V for 15 s) between measurements. Using the optimized variables, a linear range between 0.1 and 2.0 μmol L-1 was obtained for MP with a limit of detection of 0.006 μmol L-1, a 6-fold lower value when compared with the value attained without the CPE step. The experimental enrichment factor of MP was 6.1. Also, the optimized CPE allowed the determination of MP in honey samples with good accuracy (recovery between 94 and 106%), which was not possible using direct detection (without CPE) due to the matrix interference. This is the first paper that demonstrates the combination of CPE and electroanalysis for the determination of an organic compound.
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Affiliation(s)
- Priscila A R de Sousa
- Federal University of Goias, Av. Dr. Lamartine Pinto de Avelar, 1120, Catalão, GO, Brazil
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26
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Haššo M, Sarakhman O, Stanković DM, Švorc Ĺ. A new voltammetric platform for reliable determination of the sport performance-enhancing stimulant synephrine in dietary supplements using a boron-doped diamond electrode. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:4749-4758. [PMID: 32929429 DOI: 10.1039/d0ay01425g] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
For the first time, we propose a new modification-free voltammetric platform for simple, fast and reliable quantification of the sport performance-enhancing stimulant synephrine (SYN) based on the usage of a commercial screen-printed boron-doped diamond (BDD) electrochemical sensor. Applying cyclic voltammetry, SYN exhibited one well-shaped, irreversible and diffusion-driven oxidation peak at a peak potential of +1.45 V (vs. the silver pseudoreference electrode) in the presence of 2 M HClO4. Under the selected experimental conditions, the following analytical parameters for determination of SYN were obtained: linear concentration ranges from 19.6 up to 1000 μM and from 9.9 up to 1000 μM for differential pulse (DPV) and square-wave voltammetry (SWV), respectively, detection limits at micromolar concentration levels and intra-day repeatability with a relative standard deviation below 4% for both pulse techniques. The interference study revealed fair selectivity when considering the target dietary supplements. The feasibility of the developed voltammetric platform was verified in the analysis of commercially available dietary supplements and reasonable recovery values were achieved by DPV and SWV, respectively. In addition, the method can be performed directly without higher consumption of chemicals, waste generation, complex sample extraction and higher instrumentation cost. The advanced BDD electrochemical sensor has appeared to be a suitable competitor for efficient applications in food quality control analysis.
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Affiliation(s)
- M Haššo
- Institute of Analytical Chemistry, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, Bratislava, SK-812 37, Slovak Republic.
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27
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Buledi JA, Shah ZUH, Mallah A, Solangi AR. Current Perspective and Developments in Electrochemical Sensors Modified with Nanomaterials for Environmental and Pharmaceutical Analysis. CURR ANAL CHEM 2020. [DOI: 10.2174/1573411016999201006122740] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Over the past few decades, environmental pollution has appeared to be one of the most crucial
global problems. The widespread intensification of numerous hazardous pollutants in the environment need the modern
researchers to develop viable, reproducible and cost-effective determination tools for the reliable environmental analysis.
The beneficial, as well as perilous, biological compounds are receiving growing interest due to their variable composition
which produces advantageous and toxic impacts on human and the environment. Several conventional analytical methods
have been established for the pharmaceutical and environmental analysis. However, certain drawbacks limited their
practices in the modern rapidly growing era of science and technology. The development of electrochemical sensors has
emerged as more beneficial and promising tool as against other traditional analytical approaches, in terms of simplicity,
cost-effectiveness, sensitivity, stability and reliability. Nonetheless, the over potential and low anodic/cathodic current
response are both considered as bottlenecks for the determination of electroactive entities exploiting electrochemical
sensors. Interestingly, these problems can be easily resolved by modifying the electrodes with a variety of conductive
materials, especially nanostructures.
Objective:
This review covers different electrochemical methods, reported in the literature, for the environmental and
pharmaceutical analysis through simple and cost-effective nanostructures-based sensors. The electrochemical techniques
with different modes and the modification of electrodes with highly conductive and prolific polymeric and nanostructured
materials used for the determination of different environmental and pharmaceutical samples are the main prominence of
this review. Various kinds of nanomaterials, e.g. metal, metal oxide and their composites, have been synthesized for the
fabrication of sensitive electrodes.
Conclusion:
Nanostructures played a pivotal role in the modification of electrodes, which substantially enhanced the
capability and sensitivity of electrochemical sensors. The proper modification of electrodes has materialized the swift
detection of electroactive compounds at very low limits and offered the feasible determination procedure without any kind
of signal fluctuation and over potential. In crux, due to their enhanced surface area and excellent catalytic properties,
nanomaterials recently appeared as the most promising candidates in the field of electrode modification and significantly
impacted the detection protocols for various environmental pollutants, viz. pesticides, metal ions and drugs.
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Affiliation(s)
- Jamil A. Buledi
- National Centre of Excellence in Analytical Chemistry, University of Sindh, 76080, Jamshoro, Pakistan
| | - Zia-ul-Hassan Shah
- Department of Soil Science, Sindh Agriculture University, Tandojam, Pakistan
| | - Arfana Mallah
- M.A. Kazi Institute of Chemistry, University of Sindh, 76080, Jamshoro, Pakistan
| | - Amber R. Solangi
- National Centre of Excellence in Analytical Chemistry, University of Sindh, 76080, Jamshoro, Pakistan
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Sevilay Erdoğan Kablan, Nuran Özaltın. Simultaneous Determination of Thiocolchicoside and Diclofenac Diethyl Ammonium in Topical Gel Formulation by Square Wave Voltammetric Method. RUSS J ELECTROCHEM+ 2020. [DOI: 10.1134/s1023193520060063] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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29
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A novel sensing platform based on self-doped TiO2 nanotubes for methylene blue dye electrochemical monitoring during its electro-Fenton degradation. J Solid State Electrochem 2020. [DOI: 10.1007/s10008-020-04509-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Sarakhman O, Dubenska L, Švorc Ľ. First voltammetric behavior study of non-narcotic analgesic drug nefopam and its reliable determination on boron-doped diamond electrodes. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2019.113759] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Abstract
Infectious diseases are caused from pathogens, which need a reliable and fast diagnosis. Today, expert personnel and centralized laboratories are needed to afford much time in diagnosing diseases caused from pathogens. Recent progress in electrochemical studies shows that biosensors are very simple, accurate, precise, and cheap at virus detection, for which researchers find great interest in this field. The clinical levels of these pathogens can be easily analyzed with proposed biosensors. Their working principle is based on affinity between antibody and antigen in body fluids. The progress still continues on these biosensors for accurate, rapid, reliable sensors in future.
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Nigović B, Mornar A, Brusač E, Jeličić ML. Selective sensor for simultaneous determination of mesalazine and folic acid using chitosan coated carbon nanotubes functionalized with amino groups. J Electroanal Chem (Lausanne) 2019. [DOI: 10.1016/j.jelechem.2019.113450] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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33
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Double benefit of electrochemical techniques: Treatment and electroanalysis for remediation of water polluted with organic compounds. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.134628] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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34
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Munir A, Bozal-Palabiyik B, Khan A, Shah A, Uslu B. A novel electrochemical method for the detection of oxymetazoline drug based on MWCNTs and TiO2 nanoparticles. J Electroanal Chem (Lausanne) 2019. [DOI: 10.1016/j.jelechem.2019.05.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Abstract
Background:Calcium Channel Blockers (CCBs) are widely used in the treatment of cardiovascular and ischemic heart diseases in recent years. They treat arrhythmias by reducing cardiac cycle contraction and also benefit ischemic heart diseases. Electroanalytical methods are very powerful analytical methods used in the pharmaceutical industry because of the determination of therapeutic agents and/or their metabolites in clinical samples at extremely low concentrations (10-50 ng/ml). The purpose of this review is to gather electroanalytical methods used for the determination of calcium channel blocker drugs in pharmaceutical dosage forms and biological media selected mainly from current articles.Methods:This review mainly includes recent determination studies of calcium channel blockers by electroanalytical methods from pharmaceutical dosage forms and biological samples. The studies of calcium channel blockers electroanalytical determination in the literature were reviewed and interpreted.Results:There are a lot of studies on amlodipine and nifedipine, but the number of studies on benidipine, cilnidipine, felodipine, isradipine, lercanidipine, lacidipine, levamlodipine, manidipine, nicardipine, nilvadipine, nimodipine, nisoldipine, nitrendipine, diltiazem, and verapamil are limited in the literature. In these studies, DPV and SWV are the most used methods. The other methods were used less for the determination of calcium channel blocker drugs.Conclusion:Electroanalytical methods especially voltammetric methods supply reproducible and reliable results for the analysis of the analyte. These methods are simple, more sensitive, rapid and inexpensive compared to the usually used spectroscopic and chromatographic methods.
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Affiliation(s)
- Fatma Ağın
- Department of Analytical Chemistry, Faculty of Pharmacy, Karadeniz Technical University, Trabzon, Turkey
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Srivastava AK, Upadhyay SS, Rawool CR, Punde NS, Rajpurohit AS. Voltammetric Techniques for the Analysis of Drugs using Nanomaterials based Chemically Modified Electrodes. CURR ANAL CHEM 2019. [DOI: 10.2174/1573411014666180510152154] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Electroanalytical techniques play a very important role in the areas of medicinal,
clinical as well as pharmaceutical research. Amongst these techniques, the voltammetric methods
for the determination of drugs using nanomaterials based chemically modified electrodes (CMEs)
have received enormous attention in recent years. This is due to the sensitivity and selectivity they
provide on qualitative as well as quantitative aspects of the electroactive analyte under study. The aim
of the present review was to discuss the work on nanomaterials based CMEs for the analysis of drugs
covering the period from 2000 to present employing various voltammetric techniques for different
classes of the drugs.
Methods:
The present review deals with the determination of different classes of drugs including analgesics,
anthelmentic, anti-TB, cardiovascular, antipsychotics and anti-allergic, antibiotic and gastrointestinal
drugs. Also, a special section is devoted for enantioanalysis of certain chiral drugs using
voltammetry. The detailed information of the voltammetric determination for the drugs from each
class employing various techniques such as differential pulse voltammetry, cyclic voltammetry, linear
sweep voltammetry, square wave voltammetry, stripping voltammetry, etc. are presented in tabular
form below the description of each class in the review.
Results:
Various nanomaterials including carbon nanotubes, graphene, carbon nanofibers, quantum
dots, metal/metal oxide nanoparticles, polymer based nanocomposites have been used by researchers
for the development of CMEs over a period of time. The large surface area to volume ratio, high conductivity,
electrocatalytic activity and biocompatibility make them ideal modifiers where they produce
synergistic effect which helps in trace level determination of pharmaceutical, biomedical and medicinal
compounds. In addition, macrocyclic compounds as chiral selectors have been used for the determination
of enantiomeric drugs where one of the isomers captured in the cavities of chiral selector
shows stronger binding interaction for one of the enantiomorphs.
Conclusion:
arious kinds of functional nanocomposites have led to the manipulation of peak potential
due to drug - nanoparticles interaction at the modified electrode surface. This has facilitated the
simultaneous determination of drugs with almost similar peak potentials. Also, it leads to the enhancement
in voltammetric response of the analytes. It is expected that such modified electrodes can
be easily miniaturized and used as portable, wearable and user friendly devices. This will pave a way
for in-vivo onsite real monitoring of single as well as multi component pharmaceutical compounds.
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Affiliation(s)
- Ashwini K. Srivastava
- Department of Chemistry, University of Mumbai, Vidyanagari, Santacruz (East), Mumbai, 400 098, India
| | - Sharad S. Upadhyay
- Department of Chemistry, University of Mumbai, Vidyanagari, Santacruz (East), Mumbai, 400 098, India
| | - Chaitali R. Rawool
- Department of Chemistry, University of Mumbai, Vidyanagari, Santacruz (East), Mumbai, 400 098, India
| | - Ninad S. Punde
- Department of Chemistry, University of Mumbai, Vidyanagari, Santacruz (East), Mumbai, 400 098, India
| | - Anuja S. Rajpurohit
- Department of Chemistry, University of Mumbai, Vidyanagari, Santacruz (East), Mumbai, 400 098, India
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Messerli MA, Sarkar A. Advances in Electrochemistry for Monitoring Cellular Chemical Flux. Curr Med Chem 2019; 26:4984-5002. [PMID: 31057100 DOI: 10.2174/0929867326666190506111629] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 03/06/2019] [Accepted: 03/12/2019] [Indexed: 11/22/2022]
Abstract
The transport of organic and inorganic molecules, along with inorganic ions across the plasma membrane results in chemical fluxes that reflect the cellular function in healthy and diseased states. Measurement of these chemical fluxes enables the characterization of protein function and transporter stoichiometry, characterization of a single cell and embryo viability prior to implantation, and screening of pharmaceutical agents. Electrochemical sensors emerge as sensitive and non-invasive tools for measuring chemical fluxes immediately outside the cells in the boundary layer, that are capable of monitoring a diverse range of transported analytes including inorganic ions, gases, neurotransmitters, hormones, and pharmaceutical agents. Used on their own or in combination with other methods, these sensors continue to expand our understanding of the function of rare cells and small tissues. Advances in sensor construction and detection strategies continue to improve sensitivity under physiological conditions, diversify analyte detection, and increase throughput. These advances will be discussed in the context of addressing technical challenges to measuring chemical flux in the boundary layer of cells and measuring the resultant changes to the chemical concentration in the bulk media.
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Affiliation(s)
- Mark A Messerli
- Department of Biology and Microbiology, South Dakota State University, Brookings, SD. United States
| | - Anyesha Sarkar
- Department of Biology and Microbiology, South Dakota State University, Brookings, SD. United States
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Manikandan VS, Adhikari B, Chen A. Nanomaterial based electrochemical sensors for the safety and quality control of food and beverages. Analyst 2019; 143:4537-4554. [PMID: 30113611 DOI: 10.1039/c8an00497h] [Citation(s) in RCA: 89] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The issue of foodborne related illnesses due to additives and contaminants poses a significant challenge to food processing industries. The efficient, economical and rapid analysis of food additives and contaminants is therefore necessary in order to minimize the risk of public health issues. Electrochemistry offers facile and robust analytical methods, which are desirable for food safety and quality assessment over conventional analytical techniques. The development of a wide array of nanomaterials has paved the way for their applicability in the design of high-performance electrochemical sensing devices for medical diagnostics and environment and food safety. The design of nanomaterial based electrochemical sensors has garnered enormous attention due to their high sensitivity and selectivity, real-time monitoring and ease of use. This review article focuses predominantly on the synthesis and applications of different nanomaterials for the electrochemical determination of some common additives and contaminants, including hydrazine (N2H4), malachite green (MG), bisphenol A (BPA), ascorbic acid (AA), caffeine, caffeic acid (CA), sulfite (SO32-) and nitrite (NO2-), which are widely found in food and beverages. Important aspects, such as the design, fabrication and characterization of graphene-based materials, gold nanoparticles, mono- and bimetallic nanoparticles and metal nanocomposites, sensitivity and selectivity for electrochemical sensor development are addressed. High-performance nanomaterial based electrochemical sensors have and will continue to have myriad prospects in the research and development of advanced analytical devices for the safety and quality control of food and beverages.
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Affiliation(s)
- Venkatesh S Manikandan
- Electrochemical Technology Centre, Department of Chemistry, University of Guelph, 50 Stone Road E, Guelph, Ontario N1G 2W1, Canada.
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Gadallah MI, Ali HRH, Askal HF, Saleh GA. Development of terbium based sensor for determination of imipenem in dosage forms and real samples. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2018.12.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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40
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Saka C. Electroanalytical Approaches for Determination of Prostate Cancer Drugs in Biological Samples and Dosage Forms. Crit Rev Anal Chem 2019; 49:403-414. [DOI: 10.1080/10408347.2018.1538768] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Cafer Saka
- School of Healthy, Siirt University, Siirt, Turkey
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41
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Hadi M, Mollaei T. Electroanalytical Determination of Vancomycin at a Graphene‐modified Electrode: Comparison of Electrochemical Property between Graphene, Carbon Nanotube, and Carbon Black. ELECTROANAL 2018. [DOI: 10.1002/elan.201800497] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Mojtaba Hadi
- Department of ChemistryFaculty of SciencesUniversity of Qom Al Ghadir Blvd., after Ghods Town 3716146611 Qom Iran
| | - Tahere Mollaei
- Department of ChemistryFaculty of SciencesUniversity of Qom Al Ghadir Blvd., after Ghods Town 3716146611 Qom Iran
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42
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Montaseri H, Forbes PB. Analytical techniques for the determination of acetaminophen: A review. Trends Analyt Chem 2018. [DOI: 10.1016/j.trac.2018.08.023] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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43
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Zhuang Y, Zhao M, He Y, Cheng F, Chen S. Fabrication of ZnO/rGO/PPy heterostructure for electrochemical detection of mercury ion. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2018.08.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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de Oliveira RC, Sousa CP, Freire TM, Freire RM, Denardin JC, Fechine PBA, Becker H, Morais S, de Lima-Neto P, Correia AN. Chitosan-magnetite nanocomposite as a sensing platform to bendiocarb determination. Anal Bioanal Chem 2018; 410:7229-7238. [PMID: 30151686 DOI: 10.1007/s00216-018-1330-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 08/02/2018] [Accepted: 08/15/2018] [Indexed: 12/11/2022]
Abstract
A novel platform for carbamate-based pesticide quantification using a chitosan/magnetic iron oxide (Chit-Fe3O4) nanocomposite as a glassy carbon electrode (GCE) modifier is shown for an analytical methodology for determination of bendiocarb (BND). The BND oxidation signal using GCE/Chit-Fe3O4 compared with bare GCE was catalyzed, showing a 37.5% of current increase with the peak potential towards less positive values, showing method's increased sensitivity and selectivity. Using square-wave voltammetry (SWV), calibration curves for BND determination were obtained (n = 3), and calculated detection and quantification limits values were 2.09 × 10-6 mol L-1 (466.99 ppb) and 6.97 × 10-6 mol L-1 (1555.91 ppb), respectively. The proposed electroanalytical methodology was successfully applied for BND quantification in natural raw waters without any sample pretreatment, proving that the GCE/Chit-Fe3O4 modified electrode showed great potential for BND determination in complex samples. ᅟ Graphical abstract.
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Affiliation(s)
- Raissa C de Oliveira
- Departamento de Química Analítica e Físico-Química, Centro de Ciências, Universidade Federal do Ceará, Bloco 940, Campus do Pici, Pici, Fortaleza, CE, 60440-900, Brazil
| | - Camila P Sousa
- Departamento de Química Analítica e Físico-Química, Centro de Ciências, Universidade Federal do Ceará, Bloco 940, Campus do Pici, Pici, Fortaleza, CE, 60440-900, Brazil.
| | - Tiago M Freire
- Departamento de Química Analítica e Físico-Química, Centro de Ciências, Universidade Federal do Ceará, Bloco 940, Campus do Pici, Pici, Fortaleza, CE, 60440-900, Brazil
| | - Rafael M Freire
- Departamento de Física, Universidade de Santiago de Chile, Av. Ecuador, 3493, Santiago, Chile
- Center for the Development of Nanoscience and Nanotechnology (CEDENNA), 917-0124, Santiago, Chile
| | - Juliano C Denardin
- Departamento de Física, Universidade de Santiago de Chile, Av. Ecuador, 3493, Santiago, Chile
- Center for the Development of Nanoscience and Nanotechnology (CEDENNA), 917-0124, Santiago, Chile
| | - Pierre B A Fechine
- Departamento de Química Analítica e Físico-Química, Centro de Ciências, Universidade Federal do Ceará, Bloco 940, Campus do Pici, Pici, Fortaleza, CE, 60440-900, Brazil
| | - Helena Becker
- Departamento de Química Analítica e Físico-Química, Centro de Ciências, Universidade Federal do Ceará, Bloco 940, Campus do Pici, Pici, Fortaleza, CE, 60440-900, Brazil
| | - Simone Morais
- REQUIMTE-LAQV, Instituto Superior de Engenharia do Porto, Instituto Politécnico do Porto, R. Dr. António Bernardino de Almeida 431, 4200-072, Porto, Portugal
| | - Pedro de Lima-Neto
- Departamento de Química Analítica e Físico-Química, Centro de Ciências, Universidade Federal do Ceará, Bloco 940, Campus do Pici, Pici, Fortaleza, CE, 60440-900, Brazil
| | - Adriana N Correia
- Departamento de Química Analítica e Físico-Química, Centro de Ciências, Universidade Federal do Ceará, Bloco 940, Campus do Pici, Pici, Fortaleza, CE, 60440-900, Brazil
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de Jesus Guedes T, Pio dos Santos WT. Fast and Simple Electrochemical Analysis Kit for Quality Control of Narrow Therapeutic Index Drugs. ELECTROANAL 2018. [DOI: 10.1002/elan.201800108] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Tiago de Jesus Guedes
- Departamento de Química; Universidade Federal dos Vales do Jequitinhonha e Mucuri, Campus JK; 39100-000 Diamantina, MG Brasil
| | - Wallans Torres Pio dos Santos
- Departamento de Farmácia; Universidade Federal dos Vales do Jequitinhonha e Mucuri, Campus JK; 39100-000 Diamantina, MG Brasil
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Santos ART, Moreira FTC, Helguero LA, Sales MGF. Antibody Biomimetic Material Made of Pyrrole for CA 15-3 and Its Application as Sensing Material in Ion-Selective Electrodes for Potentiometric Detection. BIOSENSORS 2018; 8:E8. [PMID: 29351206 PMCID: PMC5872056 DOI: 10.3390/bios8010008] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Revised: 01/05/2018] [Accepted: 01/10/2018] [Indexed: 01/15/2023]
Abstract
This work reports a very simple approach for creating a synthetic antibody against any protein of interest and its application in potentiometric transduction. The selected protein was Breast Cancer Antigen (CA 15-3), which is implicated in breast cancer disease and used to follow-up breast cancer patients during treatment. The new material with antibody-like properties was obtained by molecular-imprinting technology, prepared by electropolymerizing pyrrol (Py, 5.0 × 10-3 mol/L) around Breast Cancer Antigen (CA 15-3) (100 U/mL) on a fluorine doped tin oxide (FTO) conductive glass support. Cyclic voltammetry was employed for this purpose. All solutions were prepared in 4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid (HEPES) buffer, of pH 6.5. The biomarker was removed from the imprinted sites by chemical action of ethanol. The biomimetic material was then included in poly vinyl chloride (PVC) plasticized membranes to act as potentiometric ionophore, having or not a lipophilic ionic additive added. The corresponding selective electrodes were evaluated by calibration curves (in buffer and in synthetic serum) and by selectivity testing. The best analytical performance was obtained by selective electrodes including the plastic antibody and no lipophilic additive. The average limits of detection were 1.07 U/mL of CA 15-3, with a linear response from 1.44 to 13.2 U/mL and a cationic slope of 44.5 mV/decade. Overall, the lipophilic additives yielded no advantage to the overall potentiometric performance. The application of the MIP-based electrodes to the analysis of spiked synthetic serum showed precise and accurate results.
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Affiliation(s)
- Alexandra R T Santos
- BioMark/CINTESIS@ISEP, Instituto Superior de Engenharia do Instituto Politécnico do Porto, 4249-015 Porto, Portugal.
- Departamento de Ciências Médicas, Universidade de Aveiro, 3810-193 Aveiro, Portugal.
| | - Felismina T C Moreira
- BioMark/CINTESIS@ISEP, Instituto Superior de Engenharia do Instituto Politécnico do Porto, 4249-015 Porto, Portugal.
| | - Luísa A Helguero
- Departamento de Ciências Médicas, Universidade de Aveiro, 3810-193 Aveiro, Portugal.
| | - M Goreti F Sales
- BioMark/CINTESIS@ISEP, Instituto Superior de Engenharia do Instituto Politécnico do Porto, 4249-015 Porto, Portugal.
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Machado Alencar L, Backes dos Santos R, de Jesus Guedes T, Torres Pio dos Santos W, Batista Gomes de Souza J, Souza Ferreira V, Amorim Bezerra da Silva R. Fast and Selective Simultaneous Determination of Acetaminophen, Aspirin and Caffeine in Pharmaceutical Products by Batch Injection Analysis with Multiple Pulse Amperometric Detection. ELECTROANAL 2017. [DOI: 10.1002/elan.201700721] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Letícia Machado Alencar
- Faculdade de Ciências Exatas e Tecnologias; Universidade Federal da Grande Dourados; 79.804-970 Dourados, MS Brazil
| | - Rafael Backes dos Santos
- Faculdade de Ciências Exatas e Tecnologias; Universidade Federal da Grande Dourados; 79.804-970 Dourados, MS Brazil
| | - Tiago de Jesus Guedes
- Departamento de Química; Universidade Federal dos Vales do Jequitinhonha e Mucuri; 39100-000 Diamantina, MG Brazil
| | - Wallans Torres Pio dos Santos
- Departamento de Química; Universidade Federal dos Vales do Jequitinhonha e Mucuri; 39100-000 Diamantina, MG Brazil
- Departamento de Farmácia; Universidade Federal dos Vales do Jequitinhonha e Mucuri; 39100-000 Diamantina, MG Brazil
| | | | - Valdir Souza Ferreira
- Instituto de Química; Universidade Federal de Mato Grosso do Sul; 79074-460 Campo Grande, MS Brazil
| | - Rodrigo Amorim Bezerra da Silva
- Faculdade de Ciências Exatas e Tecnologias; Universidade Federal da Grande Dourados; 79.804-970 Dourados, MS Brazil
- Instituto de Química; Universidade Federal de Uberlândia; 38500-000 Monte Carmelo, MG Brazil
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Felix FS, Angnes L. Electrochemical immunosensors - A powerful tool for analytical applications. Biosens Bioelectron 2017; 102:470-478. [PMID: 29182930 DOI: 10.1016/j.bios.2017.11.029] [Citation(s) in RCA: 268] [Impact Index Per Article: 38.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 10/17/2017] [Accepted: 11/06/2017] [Indexed: 02/07/2023]
Abstract
Immunosensors are biosensors based on interactions between an antibody and antigen on a transducer surface. Either antibody or antigen can be the species immobilized on the transducer to detect antigen or antibody, respectively. Because of the strong binding forces between these biomolecules, immunosensors present high selectivity and very high sensitivity, making them very attractive for many applications in different science fields. Electrochemical immunosensors explore measurements of an electrical signal produced on an electrochemical transductor. This signal can be voltammetric, potentiometric, conductometric or impedimetric. Immunosensors utilizing electrochemical detection have been explored in several analyses since they are specific, simple, portable, and generally disposable and can carry out in situ or automated detection. This review addresses the potential of immunosensors destined for application in food and environmental analysis, and cancer biomarker diagnosis. Emphasis is given to the approaches that have been used for construction of electrochemical immunosensors. Additionally, the fundamentals of immunosensors, technology of transducers and nanomaterials and a general overview of the possible applications of electrochemical immunosensors to the food, environmental and diseases analysis fields are described.
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Affiliation(s)
- Fabiana S Felix
- Departamento de Química, Universidade Federal de Lavras (UFLA), CP 3037, Lavras CEP 37200-000, MG, Brazil; Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes, 748, CEP 05508-000 São Paulo, SP, Brazil
| | - Lúcio Angnes
- Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes, 748, CEP 05508-000 São Paulo, SP, Brazil.
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Slepchenko GB, Gindullina TM, Nekhoroshev SV. Capabilities of the electrochemical methods in the determination of narcotic and psychotropic drugs in forensic chemistry materials. JOURNAL OF ANALYTICAL CHEMISTRY 2017. [DOI: 10.1134/s1061934817070127] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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50
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Kurbanoglu S, Rivas L, Ozkan SA, Merkoçi A. Electrochemically reduced graphene and iridium oxide nanoparticles for inhibition-based angiotensin-converting enzyme inhibitor detection. Biosens Bioelectron 2017; 88:122-129. [DOI: 10.1016/j.bios.2016.07.109] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Revised: 07/27/2016] [Accepted: 07/29/2016] [Indexed: 02/08/2023]
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