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Yi J, Li X, Lv S, Zhu J, Zhang Y, Li X, Cong Y. MOF-derived CeO 2/Co 3O 4-Fe 2O 3@CC nanocomposites as highly sensitive electrochemical sensor for bisphenol a detection. CHEMOSPHERE 2023:139249. [PMID: 37331663 DOI: 10.1016/j.chemosphere.2023.139249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 06/07/2023] [Accepted: 06/15/2023] [Indexed: 06/20/2023]
Abstract
A novel CeO2/Co3O4-Fe2O3@CC electrode derived from CeCo-MOFs was developed for detecting the endocrine disruptor bisphenol A (BPA). Firstly, bimetallic CeCo-MOFs were prepared by hydrothermal method, and obtained material was calcined to form metal oxides after doping Fe element. The results suggested that hydrophilic carbon cloth (CC) modified with CeO2/Co3O4-Fe2O3 had good conductivity and high electrocatalytic activity. By the analyses of cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS), the introduction of Fe increased the current response and conductivity of the sensor, greatly increasing the effective active area of the electrode. Significantly, electrochemical test proves that the prepared CeO2/Co3O4-Fe2O3@CC had excellent electrochemical response to BPA with a low detection limit of 8.7 nM, an excellent sensitivity of 20.489 μA/μM·cm2, a linear range of 0.5-30 μM, and strong selectivity. In addition, the CeO2/Co3O4-Fe2O3@CC sensor had a high recovery rate for the detection of BPA in real tap water, lake water, soil eluent, seawater, and PET bottle samples, which showed its potential in practical applications. To sum up, the CeO2/Co3O4-Fe2O3@CC sensor prepared in this work had excellent sensing performance, good stability and selectivity for BPA, which can be well used for the detection of BPA.
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Affiliation(s)
- Jiaxin Yi
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou, 310018, China
| | - Xinyue Li
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou, 310018, China
| | - Shiwen Lv
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou, 310018, China
| | - Jining Zhu
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou, 310018, China
| | - Yi Zhang
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou, 310018, China
| | - Xuchun Li
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou, 310018, China
| | - Yanqing Cong
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou, 310018, China.
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Hassan Q, Riley C, Noroozifar M, Kerman K. Hybrid Nanomaterial of Graphene Oxide Quantum Dots with Multi-Walled Carbon Nanotubes for Simultaneous Voltammetric Determination of Four DNA Bases. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13091509. [PMID: 37177060 PMCID: PMC10180489 DOI: 10.3390/nano13091509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 04/19/2023] [Accepted: 04/25/2023] [Indexed: 05/15/2023]
Abstract
In this proof-of-concept study, a novel hybrid nanomaterial-based electrochemical sensor was developed for the simultaneous detection of four DNA bases. For the modification of the working electrode surface, graphene oxide quantum dots (GOQDs) were synthesized using a solvothermal method. GOQDs were then used for the preparation of a hybrid nanomaterial with multi-walled carbon nanotubes (GOQD-MWCNT) using a solvothermal technique for the first time. Transmission electron microscopy (TEM) was used to characterize the GOQDs-MWCNTs. A glassy carbon electrode (GCE) was modified with the GOQDs-MWCNTs using Nafion™ to prepare a GOQD-MWCNT/GCE for the simultaneous determination of four DNA bases in phosphate buffer solution (PBS, pH 7.0) using differential pulse voltammetry (DPV). The calibration plots were linear up to 50, 50, 500, and 500 µM with a limit of detection at 0.44, 0.2, 1.6, and 5.6 µM for guanine (G), adenine (A), thymine (T) and cytosine (C), respectively. The hybrid-modified sensor was used for the determination of G, A, T, and C spiked in the artificial saliva samples with the recovery values ranging from 95.9 to 106.8%. This novel hybrid-modified electrochemical sensor provides a promising platform for the future development of a device for cost-effective and efficient simultaneous detection of DNA bases in real biological and environmental samples.
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Affiliation(s)
- Qusai Hassan
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON M1C 1A4, Canada
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada
| | - Chevon Riley
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON M1C 1A4, Canada
| | - Meissam Noroozifar
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON M1C 1A4, Canada
| | - Kagan Kerman
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON M1C 1A4, Canada
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada
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Billowria K, Ali R, Rangra NK, Kumar R, Chawla PA. Bioactive Flavonoids: A Comprehensive Review on Pharmacokinetics and Analytical Aspects. Crit Rev Anal Chem 2022:1-15. [PMID: 35930461 DOI: 10.1080/10408347.2022.2105641] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
Flavonoids are a diversified group of natural substances which were discovered to provide a variety of health benefits in human beings. Vegetables, fruits, wine and tea are the primary flavonoid dietary sources for humans and as the flavonoids are so closely connected to human dietary items and health, it is vital to explore the structural-activity connection. The arrangement, replacement of functional groups, and total number of hydroxyl groups around flavonoid's nucleus structure affect their biological activity, metabolism, and bioavailability. Various flavonoids have been proven to have hepatoprotective properties, that help in the prevention of coronary heart disease. Similarly, these flavonoids also possess anticancer, and anti-inflammatory activities. Flavonoids have been found to have a functional and structural link with their enzyme inhibitory action, that appears to have antiviral effect through acting as antioxidants, damaging cell membranes, blocking enzymes, activating mechanisms of host self-defense, and limiting virus penetration and attaching to cells. Identification, characterization, isolation, and biological role of flavonoids, as well as their uses on health advantages, are all major topics in research and development currently. This review represents a summary of various sources of flavonoids, class, subclass, their chemical structures, biological activities, the pharmacokinetics of flavonoids and various analytical, bioanalytical and electrochemical methods for determination of flavonoids from different matrices.
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Affiliation(s)
- Koushal Billowria
- Department of Pharmaceutical Analysis, ISF College of Pharmacy, Moga, India
| | - Rouchan Ali
- Department of Pharmaceutical Analysis, ISF College of Pharmacy, Moga, India
| | | | - Ram Kumar
- Department of Pharmaceutical Analysis, ISF College of Pharmacy, Moga, India
| | - Pooja A Chawla
- Department of Pharmaceutical Analysis, ISF College of Pharmacy, Moga, India
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Wang J, Khorasani Motlagh M, Noroozifar M, Kerman K, Kraatz H. Ferrocene‐Functionalized Multiwalled Carbon Nanotubes for the Simultaneous Determination of Dopamine, Uric Acid, and Xanthine. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Junyan Wang
- Department Physical and Environmental Sciences University of Toronto Scarborough 1265 Military Trail, Toronto M1C1A4 Ontario Canada
| | - Mozhgan Khorasani Motlagh
- Department Physical and Environmental Sciences University of Toronto Scarborough 1265 Military Trail, Toronto M1C1A4 Ontario Canada
| | - Meissam Noroozifar
- Department Physical and Environmental Sciences University of Toronto Scarborough 1265 Military Trail, Toronto M1C1A4 Ontario Canada
| | - Kagan Kerman
- Department Physical and Environmental Sciences University of Toronto Scarborough 1265 Military Trail, Toronto M1C1A4 Ontario Canada
- Department of Chemistry University of Toronto 280 St. George St., Toronto M5S 3H6 Ontario Canada
| | - Heinz‐Bernhard Kraatz
- Department Physical and Environmental Sciences University of Toronto Scarborough 1265 Military Trail, Toronto M1C1A4 Ontario Canada
- Department of Chemistry University of Toronto 280 St. George St., Toronto M5S 3H6 Ontario Canada
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Patel BR, Imran S, Ye W, Weng H, Noroozifar M, Kerman K. Simultaneous voltammetric detection of six biomolecules using a nanocomposite of titanium dioxide nanorods with multi-walled carbon nanotubes. Electrochim Acta 2020. [DOI: 10.1016/j.electacta.2020.137094] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Thiol functionalized carbon ceramic electrode modified with multi-walled carbon nanotubes and gold nanoparticles for simultaneous determination of purine derivatives. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 110:110568. [DOI: 10.1016/j.msec.2019.110568] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 12/03/2019] [Accepted: 12/17/2019] [Indexed: 01/07/2023]
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Wang S, Ferrag C, Noroozifar M, Kerman K. Simultaneous Determination of Four DNA bases at Graphene Oxide/Multi-Walled Carbon Nanotube Nanocomposite-Modified Electrode. MICROMACHINES 2020; 11:mi11030294. [PMID: 32168840 PMCID: PMC7143941 DOI: 10.3390/mi11030294] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 03/05/2020] [Accepted: 03/09/2020] [Indexed: 12/19/2022]
Abstract
In this study, we developed a modified glassy carbon electrode (GCE) with graphene oxide, multi-walled carbon nanotube hybrid nanocomposite in chitosan (GCE/GO-MWCNT-CHT) to achieve simultaneous detection of four nucleobases (i.e., guanine (G), adenine (A), thymine (T) and cytosine (C)) along with uric acid (UA) as an internal standard. The nanocomposite was characterized using TEM and FT-IR. The linearity ranges were up to 151.0, 78.0, 79.5, 227.5, and 162.5 µM with a detection limit of 0.15, 0.12, 0.44, 4.02, 4.0, and 3.30 µM for UA, G, A, T, and C, respectively. Compared to a bare GCE, the nanocomposite-modified GCE demonstrated a large enhancement (~36.6%) of the electrochemical active surface area. Through chronoamperometric studies, the diffusion coefficients (D), standard catalytic rate constant (Ks), and heterogenous rate constant (Kh) were calculated for the analytes. Moreover, the nanocomposite-modified electrode was used for simultaneous detection in human serum, human saliva, and artificial saliva samples with recovery values ranging from 95% to 105%.
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Affiliation(s)
- Shuting Wang
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON M1C 1A4, Canada; (S.W.); (C.F.); (M.N.)
| | - Celia Ferrag
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON M1C 1A4, Canada; (S.W.); (C.F.); (M.N.)
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada
| | - Meissam Noroozifar
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON M1C 1A4, Canada; (S.W.); (C.F.); (M.N.)
| | - Kagan Kerman
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON M1C 1A4, Canada; (S.W.); (C.F.); (M.N.)
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada
- Correspondence:
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Patel BR, Noroozifar M, Kerman K. Prussian blue-doped nanosized polyaniline for electrochemical detection of benzenediol isomers. Anal Bioanal Chem 2020; 412:1769-1784. [PMID: 32043201 DOI: 10.1007/s00216-020-02400-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Revised: 12/17/2019] [Accepted: 01/09/2020] [Indexed: 12/14/2022]
Abstract
Simultaneous speciation of benzenediol isomers (BDIs), 1,2-benzenediol (catechol, CC), 1,3-benzenediol (resorcinol, RS), and 1,4-benzenediol (hydroquinone, HQ), was investigated by differential pulse voltammetry (DPV) using a graphite paste electrode (GPE) modified with Prussian blue-polyaniline nanocomposite. The modified GPE showed good stability, sensitivity, and selectivity properties for all the three BDIs. Prussian blue-doped nanosized polyaniline (PBNS-PANI) was synthesized first by using mechanochemical reactions between aniline and ferric chloride hexahydrate as the oxidants and then followed by the addition of potassium hexacyanoferrate(II) in a solid-state and template-free technique. The material was characterized by scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy (FT-IR), and X-ray photoelectron spectroscopy (XPS). The DPV measurements are performed in phosphate electrolyte solution with pH 4.0 at a potential range of - 0.1 to 1.0 V. The proposed modified electrode displayed a strong, stable, and continuous three well-separated oxidation peaks towards electrooxidation at potentials 0.20, 0.31, and 0.76 V for HQ, CC, and RS, respectively. The calibration curves were linear from 1 to 350.5 μM for both HQ and CC, while for RS, it was from 2 to 350.5 μM. The limit of detection was determined to be 0.18, 0.01, and 0.02 μM for HQ, CC, and RS, respectively. The analytical performance of the PBNS-PANI/GPE has been evaluated for simultaneous determination of HQ, CC, and RS in creek water, commercial hair dye, and skin whitening cream samples with satisfactory recoveries between 90 and 106%. Overall, we demonstrated that the presence of NS-PANI and PB resulted in a large redox-active surface area that enabled a promising analytical platform for simultaneous detection of BDIs. Graphical abstract.
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Affiliation(s)
- Bhargav R Patel
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON, M1C 1A4, Canada
| | - Meissam Noroozifar
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON, M1C 1A4, Canada
| | - Kagan Kerman
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON, M1C 1A4, Canada.
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Li S, Noroozifar M, Kerman K. Nanocomposite of ferricyanide-doped chitosan with multi-walled carbon nanotubes for simultaneous senary detection of redox-active biomolecules. J Electroanal Chem (Lausanne) 2019. [DOI: 10.1016/j.jelechem.2019.113376] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Antunes RS, Thomaz DV, Garcia LF, Gil EDS, Sommerset VS, Lopes FM. Determination of Methyldopa and Paracetamol in Pharmaceutical Samples by a Low Cost Genipa americana L. Polyphenol Oxidase Based Biosensor. Adv Pharm Bull 2019; 9:416-422. [PMID: 31592074 PMCID: PMC6773932 DOI: 10.15171/apb.2019.049] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 05/31/2019] [Accepted: 06/03/2019] [Indexed: 12/20/2022] Open
Abstract
Purpose: Jenipapo fruit (Genipa americana L) is a natural source of polyphenol oxidases (PPOs) whose potential in pharmaceutical analysis is noteworthy. Henceforth, this work reports the electrochemical study of a low-cost PPO-based biosensor produced from the crude extract of Jenipapo fruits and accounts a practical approach to employ this biosensor in the determination of methyldopa and paracetamol in pharmaceutical samples.
Methods: In order to investigate the electrochemical properties of the biosensor, theoretical
and practical approaches were employed, and both samples and the biosensor were analyzed
through electrochemical impedance spectroscopy (EIS) and voltammetric techniques, namely:
differential pulse voltammetry (DPV) and cyclic voltammetry (CV).
Results: showcased that the biosensor presented good analytical features, as well as low
detection limits (8 μmol L-1 for methyldopa and 5 μmol L-1 for paracetamol). The relative
standard deviation was less than 5% mid-assay.
Conclusion: The use of this biosensor is a reliable, low cost and useful alternative in the
pharmaceutic determination of phenolic drugs (e.g. methyldopa and paracetamol).
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Affiliation(s)
- Rafael Souza Antunes
- Faculdade de Farmácia, Universidade Federal do Goiás (UFG), rua 221 esquina com a 5ª avenida s/n, Setor Universitário, Goiânia-GO, Brasil
| | - Douglas Vieira Thomaz
- Faculdade de Farmácia, Universidade Federal do Goiás (UFG), rua 221 esquina com a 5ª avenida s/n, Setor Universitário, Goiânia-GO, Brasil
| | - Luane Ferreira Garcia
- Faculdade de Farmácia, Universidade Federal do Goiás (UFG), rua 221 esquina com a 5ª avenida s/n, Setor Universitário, Goiânia-GO, Brasil
| | - Eric de Souza Gil
- Faculdade de Farmácia, Universidade Federal do Goiás (UFG), rua 221 esquina com a 5ª avenida s/n, Setor Universitário, Goiânia-GO, Brasil
| | - Vernon Sydwill Sommerset
- Department of Chemistry, Faculty of Applied Sciences, Cape Peninsula University of Technology, Bellville 7535, South Africa
| | - Flavio Marques Lopes
- Faculdade de Farmácia, Universidade Federal do Goiás (UFG), rua 221 esquina com a 5ª avenida s/n, Setor Universitário, Goiânia-GO, Brasil
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Development of a Polyphenol Oxidase Biosensor from Jenipapo Fruit Extract (Genipa americana L.) and Determination of Phenolic Compounds in Textile Industrial Effluents. BIOSENSORS-BASEL 2018; 8:bios8020047. [PMID: 29762479 PMCID: PMC6023019 DOI: 10.3390/bios8020047] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Revised: 05/08/2018] [Accepted: 05/11/2018] [Indexed: 12/20/2022]
Abstract
In this work, an innovative polyphenol oxidase biosensor was developed from Jenipapo (Genipa americana L.) fruit and used to assess phenolic compounds in industrial effluent samples obtained from a textile industry located in Jaraguá-GO, Brasil. The biosensor was prepared and optimized according to: the proportion of crude vegetal extract, pH and overall voltammetric parameters for differential pulse voltammetry. The calibration curve presented a linear interval from 10 to 310 µM (r2 = 0.9982) and a limit of detection of 7 µM. Biosensor stability was evaluated throughout 15 days, and it exhibited 88.22% of the initial response. The amount of catechol standard recovered post analysis varied between 87.50% and 96.00%. Moreover, the biosensor was able to detect phenolic compounds in a real sample, and the results were in accordance with standard spectrophotometric assays. Therefore, the innovatively-designed biosensor hereby proposed is a promising tool for phenolic compound detection and quantification when environmental contaminants are concerned.
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Antunes RS, Garcia LF, Somerset VS, Gil EDS, Lopes FM. The Use of a Polyphenoloxidase Biosensor Obtained from the Fruit of Jurubeba (Solanum paniculatum L.) in the Determination of Paracetamol and Other Phenolic Drugs. BIOSENSORS 2018; 8:E36. [PMID: 29614829 PMCID: PMC6023012 DOI: 10.3390/bios8020036] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 03/12/2018] [Accepted: 03/29/2018] [Indexed: 12/16/2022]
Abstract
The vegetable kingdom is a wide source of a diverse variety of enzymes with broad biotechnological applications. Among the main classes of plant enzymes, the polyphenol oxidases, which convert phenolic compounds to the related quinones, have been successfully used for biosensor development. The oxidation products from such enzymes can be electrochemically reduced, and the sensing is easily achieved by amperometric transducers. In this work, the polyphenoloxidases were extracted from jurubeba (Solanum paniculatum L.) fruits, and the extract was used to construct a carbon paste-based biosensor for pharmaceutical analysis and applications. The assay optimization was performed using a 0.1 mM catechol probe, taking into account the amount of enzymatic extract (50 or 200 μL) and the optimum pH (3.0 to 9.0) as well as some electrochemical differential pulse voltammetric (DPV) parameters (e.g., pulse amplitude, pulse range, pulse width, scan rate). Under optimized conditions, the biosensor was evaluated for the quantitative determination of acetaminophen, acetylsalicylic acid, methyldopa, and ascorbic acid. The best performance was obtained for acetaminophen, which responded linearly in the range between 5 and 245 μM (R = 0.9994), presenting a limit of detection of 3 μM and suitable repeatability ranging between 1.52% and 1.74% relative standard deviation (RSD).
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Affiliation(s)
- Rafael Souza Antunes
- Faculdade de Farmácia, Universidade Federal do Goiás (UFG), rua 221 esquina com a 5ª avenida s/n, Setor Universitário, Goiânia-GO 74605-170, Brazil.
| | - Luane Ferreira Garcia
- Faculdade de Farmácia, Universidade Federal do Goiás (UFG), rua 221 esquina com a 5ª avenida s/n, Setor Universitário, Goiânia-GO 74605-170, Brazil.
| | - Vernon Sydwill Somerset
- Department of Chemistry, Faculty of Applied Sciences, Cape Peninsula University of Technology, Bellville 7535, South Africa.
| | - Eric de Souza Gil
- Faculdade de Farmácia, Universidade Federal do Goiás (UFG), rua 221 esquina com a 5ª avenida s/n, Setor Universitário, Goiânia-GO 74605-170, Brazil.
| | - Flavio Marques Lopes
- Faculdade de Farmácia, Universidade Federal do Goiás (UFG), rua 221 esquina com a 5ª avenida s/n, Setor Universitário, Goiânia-GO 74605-170, Brazil.
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