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Herrera-Domínguez M, Lim K, Aguilar-Hernández I, García-García A, Minteer SD, Ornelas-Soto N, Garcia-Morales R. Detection of Acetaminophen in Groundwater by Laccase-Based Amperometric Biosensors Using MoS 2 Modified Carbon Paper Electrodes. SENSORS (BASEL, SWITZERLAND) 2023; 23:4633. [PMID: 37430547 DOI: 10.3390/s23104633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 04/27/2023] [Accepted: 05/05/2023] [Indexed: 07/12/2023]
Abstract
The use of enzyme-based biosensors for the detection and quantification of analytes of interest such as contaminants of emerging concern, including over-the-counter medication, provides an attractive alternative compared to more established techniques. However, their direct application to real environmental matrices is still under investigation due to the various drawbacks in their implementation. Here, we report the development of bioelectrodes using laccase enzymes immobilized onto carbon paper electrodes modified with nanostructured molybdenum disulfide (MoS2). The laccase enzymes were two isoforms (LacI and LacII) produced and purified from the fungus Pycnoporus sanguineus CS43 that is native to Mexico. A commercial purified enzyme from the fungus Trametes versicolor (TvL) was also evaluated to compare their performance. The developed bioelectrodes were used in the biosensing of acetaminophen, a drug widely used to relieve fever and pain, and of which there is recent concern about its effect on the environment after its final disposal. The use of MoS2 as a transducer modifier was evaluated, and it was found that the best detection was achieved using a concentration of 1 mg/mL. Moreover, it was found that the laccase with the best biosensing efficiency was LacII, which achieved an LOD of 0.2 µM and a sensitivity of 0.108 µA/µM cm2 in the buffer matrix. Moreover, the performance of the bioelectrodes in a composite groundwater sample from Northeast Mexico was analyzed, achieving an LOD of 0.5 µM and a sensitivity of 0.015 µA/µM cm2. The LOD values found are among the lowest reported for biosensors based on the use of oxidoreductase enzymes, while the sensitivity is the highest currently reported.
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Affiliation(s)
- Marcela Herrera-Domínguez
- Laboratorio de Nanotecnología Ambiental, Escuela de Ingeniería y Ciencias, Tecnológico de Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey 64849, NL, Mexico
| | - Koun Lim
- Department of Chemistry and Materials Science & Engineering, University of Utah, Salt Lake City, UT 84112, USA
| | - Iris Aguilar-Hernández
- Laboratorio de Nanotecnología Ambiental, Escuela de Ingeniería y Ciencias, Tecnológico de Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey 64849, NL, Mexico
| | - Alejandra García-García
- Laboratorio de Síntesis y Modificación de Nanoestructuras y Materiales Bidimensionales, Centro de Investigación en Materiales Avanzados S.C., Unidad Monterrey, Parque PIIT, Apodaca 66628, NL, Mexico
| | - Shelley D Minteer
- Department of Chemistry and Materials Science & Engineering, University of Utah, Salt Lake City, UT 84112, USA
| | - Nancy Ornelas-Soto
- Laboratorio de Nanotecnología Ambiental, Escuela de Ingeniería y Ciencias, Tecnológico de Monterrey, Ave. Eugenio Garza Sada 2501, Monterrey 64849, NL, Mexico
| | - Raúl Garcia-Morales
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México, Carretera Tijuana-Ensenada Km. 107, Ensenada 22860, BC, Mexico
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Domínguez-Aragón A, Dominguez RB, Zaragoza-Contreras EA. Simultaneous Detection of Dihydroxybenzene Isomers Using Electrochemically Reduced Graphene Oxide-Carboxylated Carbon Nanotubes/Gold Nanoparticles Nanocomposite. BIOSENSORS-BASEL 2021; 11:bios11090321. [PMID: 34562911 PMCID: PMC8468658 DOI: 10.3390/bios11090321] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 09/01/2021] [Accepted: 09/02/2021] [Indexed: 01/25/2023]
Abstract
An electrochemical sensor based on electrochemically reduced graphene oxide (ErGO), carboxylated carbon nanotubes (cMWCNT), and gold nanoparticles (AuNPs) (GCE/ErGO-cMWCNT/AuNPs) was developed for the simultaneous detection of dihidroxybenzen isomers (DHB) hydroquinone (HQ), catechol (CC), and resorcinol (RS) using differential pulse voltammetry (DPV). The fabrication and optimization of the system were evaluated with Raman Spectroscopy, SEM, cyclic voltammetry, and DPV. Under optimized conditions, the GCE/ErGO-cMWCNT/AuNPs sensor exhibited a linear concentration range of 1.2–170 μM for HQ and CC, and 2.4–400 μM for RS with a detection limit of 0.39 μM, 0.54 μM, and 0.61 μM, respectively. When evaluated in tap water and skin-lightening cream, DHB multianalyte detection showed an average recovery rate of 107.11% and 102.56%, respectively. The performance was attributed to the synergistic effects of the 3D network formed by the strong π–π stacking interaction between ErGO and cMWCNT, combined with the active catalytic sites of AuNPs. Additionally, the cMWCNT provided improved electrocatalytic properties associated with the carboxyl groups that facilitate the adsorption of the DHB and the greater amount of active edge planes. The proposed GCE/ErGO-cMWCNT/AuNPs sensor showed a great potential for the simultaneous, precise, and easy-to-handle detection of DHB in complex samples with high sensitivity.
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Affiliation(s)
- Angélica Domínguez-Aragón
- Centro de Investigación en Materiales Avanzados, S.C., Miguel de Cervantes No. 120, Chihuahua C.P. 31136, Chih, Mexico;
| | - Rocio B. Dominguez
- CONACyT-Centro de Investigación en Materiales Avanzados, S.C., Miguel de Cervantes 120, Chihuahua C.P. 31136, Chih, Mexico;
| | - Erasto Armando Zaragoza-Contreras
- Centro de Investigación en Materiales Avanzados, S.C., Miguel de Cervantes No. 120, Chihuahua C.P. 31136, Chih, Mexico;
- Correspondence: ; Tel.: +52-614-439-4811; Fax: +52-614-439-1130
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Raymundo-Pereira PA, Silva TA, Caetano FR, Ribovski L, Zapp E, Brondani D, Bergamini MF, Marcolino LH, Banks CE, Oliveira ON, Janegitz BC, Fatibello-Filho O. Polyphenol oxidase-based electrochemical biosensors: A review. Anal Chim Acta 2020; 1139:198-221. [PMID: 33190704 DOI: 10.1016/j.aca.2020.07.055] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 07/14/2020] [Accepted: 07/20/2020] [Indexed: 02/06/2023]
Abstract
The detection of phenolic compounds is relevant not only for their possible benefits to human health but also for their role as chemical pollutants, including as endocrine disruptors. The required monitoring of such compounds on-site or in field analysis can be performed with electrochemical biosensors made with polyphenol oxidases (PPO). In this review, we describe biosensors containing the oxidases tyrosinase and laccase, in addition to crude extracts and tissues from plants as enzyme sources. From the survey in the literature, we found that significant advances to obtain sensitive, robust biosensors arise from the synergy reached with a diversity of nanomaterials employed in the matrix. These nanomaterials are mostly metallic nanoparticles and carbon nanostructures, which offer a suitable environment to preserve the activity of the enzymes and enhance electron transport. Besides presenting a summary of contributions to electrochemical biosensors containing PPOs in the last five years, we discuss the trends and challenges to take these biosensors to the market, especially for biomedical applications.
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Affiliation(s)
| | - Tiago A Silva
- Departamento de Metalurgia e Química, Centro Federal de Educação Tecnológica de Minas Gerais (CEFET-MG), 35180-008, Timóteo, MG, Brazil
| | - Fábio R Caetano
- Laboratório de Sensores Eletroquímicos (LabSensE), Departamento de Química, Universidade Federal Do Paraná (UFPR), 81.531-980, Curitiba, PR, Brazil
| | - Laís Ribovski
- São Carlos Institute of Physics, University of São Paulo, São Carlos, SP, Brazil
| | - Eduardo Zapp
- Department of Exact Sciences and Education, Federal University of Santa Catarina, 89036-256, Brazil
| | - Daniela Brondani
- Department of Exact Sciences and Education, Federal University of Santa Catarina, 89036-256, Brazil
| | - Marcio F Bergamini
- Laboratório de Sensores Eletroquímicos (LabSensE), Departamento de Química, Universidade Federal Do Paraná (UFPR), 81.531-980, Curitiba, PR, Brazil
| | - Luiz H Marcolino
- Laboratório de Sensores Eletroquímicos (LabSensE), Departamento de Química, Universidade Federal Do Paraná (UFPR), 81.531-980, Curitiba, PR, Brazil
| | - Craig E Banks
- Faculty of Science and Engineering, Manchester Metropolitan University, Chester Street, Manchester, M1 5GD, UK
| | - Osvaldo N Oliveira
- São Carlos Institute of Physics, University of São Paulo, São Carlos, SP, Brazil
| | - Bruno C Janegitz
- Department of Nature Sciences, Mathematics and Education, Federal University of São Carlos, 13600-970, Araras, SP, Brazil.
| | - Orlando Fatibello-Filho
- Department of Chemistry, Federal University of São Carlos, 13560-970, São Carlos, SP, Brazil.
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Development of a highly sensitive xanthine oxidase-based biosensor for the determination of antioxidant capacity in Amazonian fruit samples. Talanta 2019; 204:626-632. [DOI: 10.1016/j.talanta.2019.06.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 05/30/2019] [Accepted: 06/02/2019] [Indexed: 12/16/2022]
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Tatli F, Uzun D, Calam TT, Gündüzalp AB, Hasdemir E. Preparation and characterization of 3-[(1H
-1,2,4-triazole-3-ylimino)methyl]naphtalene-2-ol film at the platinum surface for selective voltammetric determination of dopamine in the presence of uric acid and ascorbic acid. SURF INTERFACE ANAL 2018. [DOI: 10.1002/sia.6607] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Feyza Tatli
- Chemistry Teacher Education; Marmara University; İstanbul Turkey
| | - Demet Uzun
- Faculty of Science, Department of Chemistry; Gazi University; Ankara Turkey
| | | | | | - Erdoğan Hasdemir
- Faculty of Science, Department of Chemistry; Gazi University; Ankara Turkey
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Broli N, Vallja L, Shehu A, Vasjari M. Determination of catechol in extract of tea using carbon paste electrode modified with banana tissue. J FOOD PROCESS PRES 2018. [DOI: 10.1111/jfpp.13838] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Affiliation(s)
- Nevila Broli
- Faculty of Natural Sciences, Department of Chemistry University of Tirana Tirana Albania
| | - Loreta Vallja
- Faculty of Natural Sciences, Department of Chemistry University of Tirana Tirana Albania
| | - Alma Shehu
- Faculty of Natural Sciences, Department of Chemistry University of Tirana Tirana Albania
| | - Majlinda Vasjari
- Faculty of Natural Sciences, Department of Chemistry University of Tirana Tirana Albania
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Varga M, Wolff P, Wolter KJ. Biocompatibility study of three distinct carbon pastes for application as electrode material in neural stimulations and recordings. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2017; 28:30. [PMID: 28108958 DOI: 10.1007/s10856-016-5840-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Accepted: 12/29/2016] [Indexed: 06/06/2023]
Abstract
Neural interfaces hold great promise for research and treatment of a wide variety of neurological diseases. Medical electrodes are designed to interface with the nervous system and provide control signals for neural prostheses. We fabricated previously a hook-up neural electrode. Here we investigate the in vitro cytotoxicity of three commercial carbon pastes used for printing the conductor tracks of this electrode. At first, the carbon pastes were characterized with respect to their microstructure and chemical composition. SEM images showed a grainy texture that is associated to the carbon/graphite microparticles dispersed by the polymeric binder. All the three pastes contained in major proportions carbon and in different proportions other elements. The surface roughness analysis evidenced differences in the smoothness of the carbon paste surfaces. Sterilization procedures did not alter the microstructure or surface morphology of the pastes. Finally, cell viability based on -(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) test and fluorescence staining experiments proved non-cytotoxicity and suitability of the studied carbon pastes as electrode material for measuring neural activity during surgeries (up to a certain time period).
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Affiliation(s)
- Melinda Varga
- Department of Electrical Engineering and Information Technology, Technische Universität Dresden, Electronics Packaging Laboratory, Dresden, D-01069, Germany.
| | - Paul Wolff
- Department of Electrical Engineering and Information Technology, Technische Universität Dresden, Electronics Packaging Laboratory, Dresden, D-01069, Germany
| | - Klaus-Juergen Wolter
- Department of Electrical Engineering and Information Technology, Technische Universität Dresden, Electronics Packaging Laboratory, Dresden, D-01069, Germany
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Rajmohan KS, Chetty R. Enhanced nitrate reduction with copper phthalocyanine-coated carbon nanotubes in a solid polymer electrolyte reactor. J APPL ELECTROCHEM 2016. [DOI: 10.1007/s10800-016-1020-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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9
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Tepeli Y, Demir B, Timur S, Anik U. An electrochemical cytosensor based on a PAMAM modified glassy carbon paste electrode. RSC Adv 2015. [DOI: 10.1039/c5ra07893h] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Electrochemical detection of HeLa cancer cells with GCPE/AuNp/Cys/Glu/PAMAM/FA cytosensor.
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Affiliation(s)
- Yudum Tepeli
- Mugla Sitki Kocman University
- Faculty of Science
- Chemistry Department
- 48000-Kotekli
- Turkey
| | - Bilal Demir
- Ege University
- Faculty of Science
- Department of Biochemistry
- Izmir
- Turkey
| | - Suna Timur
- Ege University
- Faculty of Science
- Department of Biochemistry
- Izmir
- Turkey
| | - Ulku Anik
- Mugla Sitki Kocman University
- Faculty of Science
- Chemistry Department
- 48000-Kotekli
- Turkey
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Fan Y, Fan L, Meng S, Guo Y, Liu Y. Preparation of cobalt hydroxide film modified electrode and its analytical application. JOURNAL OF ANALYTICAL CHEMISTRY 2012. [DOI: 10.1134/s1061934812040144] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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11
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12
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References. Anal Chem 2012. [DOI: 10.1201/b11478-14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Arslan H, Arslan F. Preparation of a polypyrrole-polyvinylsulphonate composite film biosensor for determination of phenol based on entrapment of polyphenol oxidase. ARTIFICIAL CELLS, BLOOD SUBSTITUTES, AND IMMOBILIZATION BIOTECHNOLOGY 2011; 39:341-345. [PMID: 21899484 DOI: 10.3109/10731199.2011.585616] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Abstract: In this paper, a novel amperometric phenol biosensor with immobilization of polyphenol oxidase (tyrosinase) on electrochemically polymerized polypyrrole-polyvinylsulphonate (PPy-PVS) film has been accomplished via the entrapment technique on the surface of a platinum electrode. The amperometric determination is based on the electrochemical reduction of quinon generated in the enzymatic reaction of phenol. The effects of pH and temperature were investigated and optimum parameters were found to be 8.0 and 30 °C, respectively. The linear working range of the electrode was 1.0 × 10(-7) - 5.0 × 10(-6) M. The storage stability and operation stability of the enzyme electrode were also studied.
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Affiliation(s)
- Halit Arslan
- Department of Chemistry, Gazi University, Ankara, Turkey.
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Fernandes EGR, Brazaca LC, Rodríguez-Mendez ML, Saja JAD, Zucolotto V. Immobilization of lutetium bisphthalocyanine in nanostructured biomimetic sensors using the LbL technique for phenol detection. Biosens Bioelectron 2011; 26:4715-9. [DOI: 10.1016/j.bios.2011.05.032] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2011] [Revised: 05/16/2011] [Accepted: 05/23/2011] [Indexed: 10/18/2022]
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Zhu M, Diao G. Review on the progress in synthesis and application of magnetic carbon nanocomposites. NANOSCALE 2011; 3:2748-67. [PMID: 21611651 DOI: 10.1039/c1nr10165j] [Citation(s) in RCA: 98] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
This review focuses on the synthesis and application of nanostructured composites containing magnetic nanostructures and carbon-based materials. Great progress in fabrication of magnetic carbon nanocomposites has been made by developing methods including filling process, template-based synthesis, chemical vapor deposition, hydrothermal/solvothermal method, pyrolysis procedure, sol-gel process, detonation induced reaction, self-assembly method, etc. The applications of magnetic carbon nanocomposites expanded to a wide range of fields such as environmental treatment, microwave absorption, magnetic recording media, electrochemical sensor, catalysis, separation/recognization of biomolecules and drug delivery are discussed. Finally, some future trends and perspectives in this research area are outlined.
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Affiliation(s)
- Maiyong Zhu
- College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, PR China
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Zhang Q, Qu Y, Zhang X, Zhou J, Wang H. Extradiol dioxygenase-SiO₂ sol-gel modified electrode for catechol and its derivatives detection. Biosens Bioelectron 2011; 26:4362-7. [PMID: 21592766 DOI: 10.1016/j.bios.2011.04.042] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2011] [Revised: 04/06/2011] [Accepted: 04/21/2011] [Indexed: 11/26/2022]
Abstract
A feasible and sensitive biosensor for catechol and its derivatives using 2,3-dihydroxybiphenyl 1,2-dioxygenase (BphC)-modified glassy carbon electrode was successfully constructed by polyvinyl alcohol-modified SiO₂ sol-gel method. The as-prepared biosensor was characterized by electrochemical impedance spectroscopy, and the surface topography of the film was imaged by atomic force microscope. Liquid chromatography-tandem mass spectrometry was applied to reveal the catalytic mechanism. BphC embedded in SiO₂ gel maintained its bioactivity well and exhibited excellent eletrocatalytical response to both catechol and some of its derivatives (such as 3-methylcatechol and 4-methylcatechol). The biosensor showed a linear amperometric response range between 0.002 mM and 0.8 mM catechol. And the sensitivity was 1.268 mA/(mM cm²) with a detection limit of 0.428 μM for catechol (S/N = 3). Furthermore, the BphC biosensor exhibited perfect selectivity for catechol in the mixtures of catechol and phenol. It was suggested that this flexible protocol would open up a new avenue for designing other ring-cleavage enzyme biosensors, which could be widely used for monitoring various kinds of environmental pollutants.
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Affiliation(s)
- Qiang Zhang
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, Linggong Road 2, Dalian 116024, PR China
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Atta NF, Galal A, Abu-Attia FM, Azab SM. Simultaneous determination of paracetamol and neurotransmitters in biological fluids using a carbon paste sensor modified with gold nanoparticles. ACTA ACUST UNITED AC 2011. [DOI: 10.1039/c1jm11795e] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Felix FS, Angnes L. Fast and Accurate Analysis of Drugs Using Amperometry Associated With Flow Injection Analysis. J Pharm Sci 2010; 99:4784-804. [DOI: 10.1002/jps.22192] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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20
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Pedano ML, Rivas GA. Adsorption and Electrooxidation of DNA at Glassy Carbon Paste Electrodes. ANAL LETT 2010. [DOI: 10.1080/00032711003653866] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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21
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Montereali M, Seta LD, Vastarella W, Pilloton R. A disposable Laccase–Tyrosinase based biosensor for amperometric detection of phenolic compounds in must and wine. ACTA ACUST UNITED AC 2010. [DOI: 10.1016/j.molcatb.2009.07.014] [Citation(s) in RCA: 82] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Electrochemical study and flow injection analysis of paracetamol in pharmaceutical formulations based on screen-printed electrodes and carbon nanotubes. Anal Chim Acta 2009; 638:133-8. [PMID: 19327451 DOI: 10.1016/j.aca.2009.02.019] [Citation(s) in RCA: 90] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2008] [Revised: 02/11/2009] [Accepted: 02/16/2009] [Indexed: 11/22/2022]
Abstract
Acetaminophenol or paracetamol is one of the most commonly used analgesics in pharmaceutical formulations. Acetaminophen is electroactive and voltammetric mechanistic studies for the electrode processes of the acetaminophenol/N-acetyl-p-quinoneimine redox system are presented. Carbon nanotubes modified screen-printed electrodes with enhanced electron transfer properties are used for the study of the electrochemical-chemical oxidation mechanism of paracetamol at pH 2.0. Quantitative analysis of paracetamol by using its oxidation process (in a Britton-Robinson buffer solution pH 10.0) at +0.20 V (vs. an Ag pseudoreference electrode) on an untreated screen-printed carbon electrode (SPCE) was carried out. Thus, a cyclic voltammetric based reproducible determination of acetaminophen (R.S.D., 2.2%) in the range 2.5x10(-6) M to 1x10(-3) M, was obtained. However, when SPCEs are used as amperometric detectors coupled to a flow injection analysis (FIA) system, the detection limit achieved for paracetamol was 1x10(-7) M, one order of magnitude lower than that obtained by voltammetric analysis. The repeatability of the amperometric detection with the same SPCE is 2% for 15 successive injections of 10(-5) M acetaminophen and do not present any memory effect. Finally, the applicability of using screen-printed carbon electrodes for the electrochemical detection of paracetamol (i.e. for quality control analysis) was demonstrated by using two commercial pharmaceutical products.
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ElKaoutit M, Naranjo-Rodriguez I, Temsamani KR, de la Vega MD, de Cisneros JLHH. Dual laccase-tyrosinase based Sonogel-Carbon biosensor for monitoring polyphenols in beers. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2007; 55:8011-8. [PMID: 17848081 DOI: 10.1021/jf0711136] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
A biosensor based on the bi-immobilization of laccase and tyrosinase phenoloxidase enzymes has been successfully developed. This biosensor employs as the electrochemical transducer the Sonogel-Carbon, a novel type of electrode developed by our group. The immobilization step was accomplished by doping the electrode surface with a mixture of the enzymes, glutaricdialdehyde, and Nafion-ion exchanger, as protective additive. The response of this biosensor, denoted the dual Trametes versicolor laccase (La) and Mushroom tyrosinase (Ty) based Sonogel-Carbon, was optimized directly in beer real samples and its analytical performance with respect to five individual polyphenols was evaluated. The Lac-Ty/Sonogel-Carbon electrode responds to nanomolar concentrations of flavan-3-ols, hydroxycinnamic acids, and hydroxybenzoic acids. The limit of detection, sensitivity, and linear range for caffeic acid, taken as an example, were 26 nM, 167.53 nA M (-1), and 0.01-2 microM, respectively. In addition, the stability and reproducibility of the biosensor were also evaluated in beer samples. The Lac-Ty/sonogel-carbon electrode was verified as very stable in this matrix, maintaining 80% of its stable response for at least three weeks, with a RSD of 3.6% ( n = 10). The biosensor was applied to estimate the total polyphenol index in ten beer samples, and a correlation of 0.99 was obtained when the results were compared with those obtained using the Folin-Ciocalteau reagent.
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Affiliation(s)
- Mohammed ElKaoutit
- Departamento de Quimica Analitica, Facultad de Ciencias, Universidad de Cadiz, Apdo. 40, 11510 Puerto Real, Cadiz, Spain
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Yildiz HB, Sahmetlioglu E, Boyukbayram AE, Toppare L, Yagci Y. Immobilization of tyrosinase and alcohol oxidase in conducting copolymers of thiophene functionalized poly(vinyl alcohol) with pyrrole. Int J Biol Macromol 2007; 41:332-7. [PMID: 17555810 DOI: 10.1016/j.ijbiomac.2007.04.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2007] [Accepted: 04/25/2007] [Indexed: 10/23/2022]
Abstract
Immobilization of tyrosinase and alcohol oxidase is achieved in the copolymer of pyrrole with vinyl alcohol with thiophene side groups (PVATh-co-PPy) which is a newly synthesized conducting polymer. PVATh-co-PPy/alcohol oxidase and PVATh-co-PPy/tyrosinase electrodes are constructed by the entrapment of enzyme in conducting copolymer matrix during electrochemical copolymerization. For tyrosinase and alcohol oxidase enzymes, catechol and ethanol are used as the substrates, respectively. Kinetic parameters: maximum reaction rates (V(max)) and Michaelis-Menten constants (K(m)) are obtained. V(max) and K(m) are found as 2.75 micromol/(minelectrode) and 18 mM, respectively, for PVATh-co-PPy/alcohol oxidase electrode and as 0.0091micromol/(minelectrode) and 40 mM, respectively, for PVATh-co-PPy/tyrosinase electrode. Maximum temperature and pH values are investigated and found that both electrodes have a wide working range with respect to both temperature and pH. Operational and storage stabilities show that although they have limited storage stabilities, the enzyme electrodes are useful with respect to operational stabilities.
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Rivas G, Rubianes M, Pedano M, Ferreyra N, Luque G, Rodríguez M, Miscoria S. Carbon Nanotubes Paste Electrodes. A New Alternative for the Development of Electrochemical Sensors. ELECTROANAL 2007. [DOI: 10.1002/elan.200603778] [Citation(s) in RCA: 77] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Wang HS, Li TH, Jia WL, Xu HY. Highly selective and sensitive determination of dopamine using a Nafion/carbon nanotubes coated poly(3-methylthiophene) modified electrode. Biosens Bioelectron 2006; 22:664-9. [PMID: 16621509 DOI: 10.1016/j.bios.2006.02.007] [Citation(s) in RCA: 204] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2005] [Revised: 12/12/2005] [Accepted: 02/06/2006] [Indexed: 11/22/2022]
Abstract
A poly(3-methylthiophene) modified glassy carbon electrode coated with Nafion/single-walled carbon nanotubes film was fabricated and used for highly selective and sensitive determination of dopamine. The hybrid film surface of the modified electrode was characterized by scanning electrochemical microscopy (SECM) and the results indicated that the carbon nanotubes were dispersed uniformly on the conductive polymer. The experimental results suggest that the hybrid film modified electrode combining the advantages of poly(3-methylthiophene), carbon nanotubes with Nafion exhibits dramatic electrocatalytic effect on the oxidation of dopamine (DA) and results in a marked enhancement of the current response. In 0.1M phosphate buffer solution (PBS) of pH 7.0, the differential pulse voltammetric (DPV) peak heights are linear with DA concentration in three intervals, viz. 0.020-0.10 microM, 0.10-1.0 microM and 1.0-6.0 microM, with correlation coefficients of 0.9993, 0.9996 and 0.9993, respectively. The detection limit of 5.0 nM DA could be estimated (S/N=3). Moreover, the interferences of ascorbic acid (AA) and uric acid (UC) are effectively diminished. This hybrid film modified electrode can be applied to the determination of DA contents in dopamine hydrochloride injection and human serum. These attractive features provide a potential application for either in vitro measurement of DA in the presence of excess AA and UA or as detectors in flow injection analysis (FIA) and high performance liquid chromatography (HPLC).
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Affiliation(s)
- Huai-Sheng Wang
- College of Chemistry and Chemical Engineering, Liaocheng University, Cultural Road 34, Liaocheng, Shandong 252059, China.
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Shekhovtsova TN, Muginova SV, Luchinina JA, Galimova AZ. Enzymatic methods in food analysis: determination of ascorbic acid. Anal Chim Acta 2006; 573-574:125-32. [PMID: 17723515 DOI: 10.1016/j.aca.2006.05.015] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2005] [Revised: 05/02/2006] [Accepted: 05/05/2006] [Indexed: 10/24/2022]
Abstract
The feasibility and expediency of enzymatic methods application in food analysis is demonstrated by the example of ascorbic acid (AsA) determination in foods. Enzymatic determination of ascorbic acid is based on its action as a second substrate of horseradish (HRP) and peanut (PNP) peroxidases in the reactions of o-dianisidine (OD) and 3,3',5,5'-tetramethylbenzidine (TMB) oxidation with hydrogen peroxide. The rates of the reactions are monitored spectrophotometrically by measuring the duration of the induction period on kinetic curves plotted in coordinates absorption-time. The proposed procedures are sensitive (c(L)=0.1 microM), simple, and rapid. The procedure using horseradish peroxidase and the reaction of TMB oxidation was used to determine ascorbic acid in fruit juices, milk and sour-milk products for babies' nutrition.
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Affiliation(s)
- Tatyana N Shekhovtsova
- Chemistry Department, M.V. Lomonosov Moscow State University, Leninskie Gory, 119992 Moscow, Russia
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Leu H, Lin M. A LiMn2O4 Based Electrochemical Scheme for Selective Measurement of Dopamine. ELECTROANAL 2006. [DOI: 10.1002/elan.200503404] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Alpat S, Alpat SK, Telefoncu A. A sensitive determination of dopamine in the presence of ascorbic acid using a nafion-coated clinoptilolite-modified carbon paste electrode. Anal Bioanal Chem 2005; 383:695-700. [PMID: 16132143 DOI: 10.1007/s00216-005-0037-2] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2005] [Revised: 07/06/2005] [Accepted: 07/16/2005] [Indexed: 11/28/2022]
Abstract
A selective dopamine determination using a nafion-coated clinoptilolite-modified carbon paste electrode in the presence of ascorbic acid was studied. Both cyclic voltammetry (CV) and differential pulse anodic stripping voltammetry (DPASV) were used for measurements of dopamine. To improve the selectivity of the clinoptilolite-modified carbon paste electrode in presence of a high concentration of ascorbic acid, the electrode surface was coated with nafion membrane. Experimental parameters affecting the determination of dopamine, including the clinoptilolite ratio, nafion membrane thickness, preconcentration time, preconcentration solution pH, stripping solution pH and interferences are discussed. The developed sensor has a wide linear range, a low detection limit, and good stability and reproducibility. The sensor offers a good alternative to existing analytical methods for dopamine, permits a relatively short analysis time, and is simple, selective and inexpensive.
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Affiliation(s)
- Senol Alpat
- Department of Chemistry Education, Dokuz Eylul University, Buca-Izmir, Turkey.
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Arslan A, Kiralp S, Toppare L, Yagci Y. Immobilization of tyrosinase in polysiloxane/polypyrrole copolymer matrices. Int J Biol Macromol 2005; 35:163-7. [PMID: 15811471 DOI: 10.1016/j.ijbiomac.2005.01.006] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2004] [Accepted: 01/20/2005] [Indexed: 11/25/2022]
Abstract
Immobilization of tyrosinase in conducting copolymer matrices of pyrrole functionalized polydimethylsiloxane/polypyrrole (PDMS/PPy) was achieved by electrochemical polymerization. The polysiloxane/polypyrrole/tyrosinase electrode was constructed by the entrapment of enzyme in conducting matrices during electrochemical copolymerization. Maximum reaction rate (V(max)) and Michaelis-Menten constant (K(m)) were investigated for immobilized enzyme. Enzyme electrodes were prepared in two different electrolyte/solvent systems. The effect of supporting electrolytes, p-toluene sulfonic acid and sodium dodecyl sulfate on the enzyme activity and film morphology were determined. Temperature and pH optimization, operational stability and shelf-life of enzyme electrodes were also examined. Phenolic contents of green and black tea were determined by using enzyme electrodes.
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Affiliation(s)
- Ahu Arslan
- Department of Chemistry, Middle East Technical University, 06531 Ankara, Turkey
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Ladiu CI, Popescu IC, Gorton L. Electrocatalytic oxidation of NADH at carbon paste electrodes modified with meldola blue adsorbed on zirconium phosphate: effect of Ca2+ and polyethyleneimine. J Solid State Electrochem 2005. [DOI: 10.1007/s10008-004-0618-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Kawakami M, Akamatsu N, Koya H, Amada K. Amperometric Detection of Phenol with Cytochrome C‐Modified Gold Electrode Using Dual Working Electrode System. ANAL LETT 2005. [DOI: 10.1081/al-200050159] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Study of Voltammetric Determination of Carcinogenic 1-Nitropyrene and 1-Aminopyrene Using a Glassy Carbon Paste Electrode. SENSORS 2004. [DOI: 10.3390/s40500047] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Shahrokhian S, Souri A, Khajehsharifi H. Electrocatalytic oxidation of penicillamine at a carbon paste electrode modified with cobalt salophen. J Electroanal Chem (Lausanne) 2004. [DOI: 10.1016/j.jelechem.2003.09.039] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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A composite poly azure B–clay–enzyme sensor for the mediated electrochemical determination of phenols. J Electroanal Chem (Lausanne) 2002. [DOI: 10.1016/s0022-0728(02)01255-x] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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