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Zhang Y, Wang Y, Dong Y, Zhang Z, Hasebe Y, Zhu J, Liu Z, Gao E. Effect of Acridine Orange on Improving the Electrochemical Performance of Tyrosinase Adsorbed Sulfide Minerals Based Catechol Biosensor. ChemistrySelect 2023. [DOI: 10.1002/slct.202202444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Yan Zhang
- School of Chemical Engineering University of Science and Technology Liaoning 185 Qianshan Middle Road, High-tech Zone Anshan Liaoning 114051 China
| | - Yue Wang
- School of Chemical Engineering University of Science and Technology Liaoning 185 Qianshan Middle Road, High-tech Zone Anshan Liaoning 114051 China
| | - Yan Dong
- School of Chemical Engineering University of Science and Technology Liaoning 185 Qianshan Middle Road, High-tech Zone Anshan Liaoning 114051 China
| | - Zhiqiang Zhang
- School of Chemical Engineering University of Science and Technology Liaoning 185 Qianshan Middle Road, High-tech Zone Anshan Liaoning 114051 China
| | - Yasushi Hasebe
- Department of Life Science and Green Chemistry Faculty of Engineering Saitama Institute of Technology 1690 Fusaiji Fukaya Saitama 369-0293 Japan
| | - Jianmin Zhu
- Oxiranchem Holding Group Inc. No. 29 Donghuan Road, Hongwei District Liaoyang Liaoning China
| | - Zhaobin Liu
- Oxiranchem Holding Group Inc. No. 29 Donghuan Road, Hongwei District Liaoyang Liaoning China
| | - Enjun Gao
- School of Chemical Engineering University of Science and Technology Liaoning 185 Qianshan Middle Road, High-tech Zone Anshan Liaoning 114051 China
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Bounegru AV, Apetrei C. Studies on the Detection of Oleuropein from Extra Virgin Olive Oils Using Enzymatic Biosensors. Int J Mol Sci 2022; 23:ijms232012569. [PMID: 36293426 PMCID: PMC9604468 DOI: 10.3390/ijms232012569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 10/10/2022] [Accepted: 10/17/2022] [Indexed: 12/05/2022] Open
Abstract
Oleuropein (OLEU) is an important indicator of the quality and authenticity of extra virgin olive oils (EVOO). Electrochemical sensors and biosensors for the detection of oleuropein can be used to test the adulteration of extra virgin olive oils. The present study aimed at the qualitative and quantitative determination of oleuropein in commercial EVOO samples by applying electrochemical techniques, cyclic voltammetry (CV) and square wave voltammetry (SWV). The sensing devices used were two newly constructed enzyme biosensors, supported on single-layer carbon-nanotube-modified carbon screen-printed electrode (SPE/SWCNT) on whose surface tyrosinase (SPE/SWCNT/Tyr) and laccase (SPE/SWCNT/Lac) were immobilized, respectively. The active surfaces of the two biosensors were analyzed and characterized by different methods, cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS) and Fourier transform infrared spectroscopy (FTIR) and the results confirmed the efficient immobilization of the enzymes. SPE/SWCNT/Tyr was characterized by a low detection limit (LOD = 9.53 × 10−8 M) and a very good sensitivity (0.0718 μA·μM−1·cm−2) over a wide linearity range from 0.49 to 11.22 μM. The process occurring at the biosensor surface corresponds to kinetics (h = 0.90), and tyrosinase showed a high affinity towards OLEU. The tyrosinase-based biosensor was shown to have superior sensitive properties to the laccase-based one. Quantitative determination of OLEU in EVOOs was performed using SPE/SWCNT/Tyr and the results confirmed the presence of the compound in close amounts in the EVOOs analysed, proving that they have very good sensory properties.
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Bounegru AV, Apetrei C. Sensitive Detection of Hydroxytyrosol in Extra Virgin Olive Oils with a Novel Biosensor Based on Single-Walled Carbon Nanotubes and Tyrosinase. Int J Mol Sci 2022; 23:ijms23169132. [PMID: 36012400 PMCID: PMC9409382 DOI: 10.3390/ijms23169132] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/11/2022] [Accepted: 08/13/2022] [Indexed: 12/18/2022] Open
Abstract
Hydroxytyrosol (HT) is an important marker for the authenticity and quality assessment of extra virgin olive oils (EVOO). The aim of the study was the qualitative and quantitative determination of hydroxytyrosol in commercial extra virgin olive oils of different origins and varieties using a newly developed biosensor based on a screen-printed electrode modified with single-layer carbon nanotubes and tyrosinase (SPE-SWCNT-Ty). The enzyme was immobilized on a carbon-based screen-printed electrode previously modified with single-layer carbon nanotubes (SPE-SWCNT-Ty) by the drop-and-dry method, followed by cross-linking with glutaraldehyde. The modified electrode surface was characterized by different methods, including electrochemical (cyclic voltammetry (CV), differential pulse voltammetry (DPV), electrochemical impedance spectroscopy (EIS)) and spectrometric (Fourier transform infrared (FTIR) spectroscopy) methods. Cyclic voltammetry was used for the quantitative determination of HT, obtaining a detection limit of 3.49 × 10−8 M and a quantification limit of 1.0 × 10−7 M, with a wide linearity range (0.49–15.602 µM). The electrochemical performance of the SPE-SWCNT-Ty biosensor was compared with that of the modified SPE-SWCNT sensor, and the results showed increased selectivity and sensitivity of the biosensor due to the electrocatalytic activity of tyrosinase. The results obtained from the quantitative determination of HT showed that commercial EVOOs contain significant amounts of HT, proving the high quality of the finished products. The determination of the antiradical activity of HT was carried out spectrophotometrically using the free reagent galvinoxyl. The results showed that there is a very good correlation between the antiradical capacity of EVOOs, the voltammetric response and implicitly the increased concentration of HT. SPE-SWCNT-Ty has multiple advantages such as sensitivity, selectivity, feasibility and low cost and could be used in routine analysis for quality control of food products such as vegetable oils.
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Özer EM, Apetrei RM, Camurlu P. Trace-level phenolics detection based on composite PAN-MWCNTs nanofibers. Chembiochem 2022; 23:e202200139. [PMID: 35775384 DOI: 10.1002/cbic.202200139] [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: 03/10/2022] [Revised: 06/29/2022] [Indexed: 11/10/2022]
Abstract
In view of major concerns regarding toxicity (genotoxic, mutagenic, hepatotoxic) of phenolics, there is an on-going necessity for sensitive and accurate analytical procedures for detection and measurements in environmental field, water, and food quality control. The current study proposes composite polyacrylonitrile nanofibrous assemblies enriched with multi-wall carbon nanotubes (PAN-MWCNTs NFs) as suitable immobilization platforms for cross-linking of Tyrosinase in detection of both diphenols and monophenols, which are of much interest in water contamination.
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Affiliation(s)
- Elif Merve Özer
- Akdeniz Üniversitesi: Akdeniz Universitesi, Chemistry, TURKEY
| | | | - Pinar Camurlu
- Akdeniz University: Akdeniz Universitesi, Department of Chemistry, Akdeniz University Department of Chemistry, 07058, Antalya, TURKEY
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Evaluation of Olive Oil Quality with Electrochemical Sensors and Biosensors: A Review. Int J Mol Sci 2021; 22:ijms222312708. [PMID: 34884509 PMCID: PMC8657724 DOI: 10.3390/ijms222312708] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 11/19/2021] [Accepted: 11/23/2021] [Indexed: 01/11/2023] Open
Abstract
Electrochemical sensors, sensor arrays and biosensors, alongside chemometric instruments, have progressed remarkably of late, being used on a wide scale in the qualitative and quantitative evaluation of olive oil. Olive oil is a natural product of significant importance, since it is a rich source of bioactive compounds with nutritional and therapeutic properties, and its quality is important both for consumers and for distributors. This review aims at analysing the progress reported in the literature regarding the use of devices based on electrochemical (bio)sensors to evaluate the bioactive compounds in olive oil. The main advantages and limitations of these approaches on construction technique, analysed compounds, calculus models, as well as results obtained, are discussed in view of estimation of future progress related to achieving a portable, practical and rapid miniature device for analysing the quality of virgin olive oil (VOO) at different stages in the manufacturing process.
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Siontorou CG, Georgopoulos KN. A Ready-to-Use Metal-Supported Bilayer Lipid Membrane Biosensor for the Detection of Phenol in Water. MEMBRANES 2021; 11:871. [PMID: 34832100 PMCID: PMC8622659 DOI: 10.3390/membranes11110871] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 11/10/2021] [Accepted: 11/11/2021] [Indexed: 11/16/2022]
Abstract
This work presents a novel metal-supported bilayer lipid membrane (BLM) biosensor built on tyrosinase to quantitate phenol. The detection strategy is based on the enzyme-analyte initial association and not the commonly adopted monitoring of the redox cascade reactions; such an approach has not been proposed in the literature to date and offers many advantages for environmental monitoring with regard to sensitivity, selectivity, reliability and assay simplicity. The phenol sensor developed herein showed good analytical and operational characteristics: the detection limit (signal-to-noise ratio = 3) was 1.24 pg/mL and the sensitivity was 33.45 nA per pg/mL phenol concentration. The shelf life of the tyrosinase sensor was 12 h and the lifetime (in consecutive assays) was 8 h. The sensor was reversible with bathing at pH 8.5 and could be used for eight assay runs in consecutive assays. The validation in real water samples showed that the sensor could reliably detect 2.5 ppb phenol in tap and river water and 6.1 ppb phenol in lake water, without sample pretreatment. The prospects and applicability of the proposed biosensor and the underlying technology are also discussed.
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Affiliation(s)
- Christina G. Siontorou
- Laboratory of Simulation of Industrial Processes, Department of Industrial Management and Technology, University of Piraeus, 80 Karaoli and Dimitriou Str., 18534 Piraeus, Greece;
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7
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Potentiality of polymer nanocomposites for sustainable environmental applications: A review of recent advances. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.124184] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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8
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Ding XM, Cai SX, Wang L, Zhang YC. Electrocatalytic performance of tyrosinase detection in Penaeus vannamei based on a [(PSS/PPy)(P 2Mo 18/PPy) 5] multilayer composite film modified electrode. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:1392-1403. [PMID: 33650584 DOI: 10.1039/d0ay02328k] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Polyoxometalates (POMs) are widely used in the preparation of sensors that detect the content of substances because of their excellent electron transfer capabilities. In this paper, a [(PSS/PPy)(P2Mo18/PPy)5] multilayer composite film modified electrode was prepared by the potentiostatic deposition method. The electrochemical performance of the modified electrode was studied by cyclic voltammetry under the conditions of different modified layers, different supporting electrolytes and different sweep rates. Different concentrations of tyrosinase were catalyzed by the modified electrode under a suitable supporting electrolyte, and the electrochemical sensing of tyrosinase by the modified electrode was studied. The research results show that the modified electrode has good stability and reproducibility for electrochemical sensing of tyrosinase, and the response current has a good linear relationship with the amount of tyrosinase added. Taking peak III as an example, the detection limit (S/N = 3) was 2.7649 U mL-1. It can be known from the timing ampere curve that as the concentration of tyrosinase in the reaction system continues to increase, its response current increases stepwise, providing a linear curve in the range of 3.66 U mL-1 to 26.87 U mL-1, and the minimum detection limit (S/N = 3) reaches 0.0021 U mL-1. The [(PSS/PPy)(P2Mo18/PPy)5] multilayer composite membrane modified electrode was used to detect tyrosinase in Penaeus vannamei. The spiked recovery of the sample was 96.3-100.8%, indicating that the modified electrode has high accuracy and can be used for the detection of tyrosinase in actual samples.
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Affiliation(s)
- Xiao-Mei Ding
- College of Food and Biological Engineering, Jimei University, Xiamen, 361021, P. R. China.
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9
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Zhang Y, Xie Q, Xia Z, Gui G, Deng F. Graphdiyne oxides as new modifier for the simultaneous electrochemical detection of phenolic compounds. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.114058] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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10
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Tuta-Navajas G, Gutierrez-Avila K, Roa-Prada S, Chalela-Alvarez G. Experimental development of a biosensor system to measure the concentration of phenol diluted in water using alternative sources of oxidoreductase enzymes. Anal Chim Acta 2018; 1040:128-135. [PMID: 30327102 DOI: 10.1016/j.aca.2018.08.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2018] [Revised: 07/19/2018] [Accepted: 08/03/2018] [Indexed: 01/13/2023]
Abstract
The presence of phenol in industrial wastewater is an issue of great relevance for petrochemical and energy companies, among others. The high toxicity level of this substance requires polluting industries to continuously monitor the concentration of phenol in their wastewaters so as to comply with environmental regulations and to minimize environmental impact. This research work proposes the experimental development of an analytical method for "in situ" measurement of the concentration of phenol diluted in water, with application in Oil & Gas production wastewater monitoring. The method is based on the principle of selectivity exhibited by the oxidoreductase enzymes in the presence of phenolic compounds. The differences in the performance found when using organic tissues and microorganisms, as natural alternative sources of the enzyme, are also highlighted. These alternative sources of oxidoreductase enzyme work as the recognition element of the biosensor. A dissolved oxygen sensor is used as the transducer of the chemical signal produced by the reaction between the analyte and the enzyme. The bioencapsulation technique is very adequate in this case, because it offers a nutrient medium to the microorganisms and is reusable, making it ideal for repetitive measurement applications. The results show that the biosensor exhibits an approximately linear behavior when measuring phenol concentrations from 0.2 to 2 ppm.
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Affiliation(s)
- Gilmar Tuta-Navajas
- Department of Mechatronics Engineering, Universidad Autónoma de Bucaramanga, Bucaramanga, 680003, Colombia.
| | - Katherin Gutierrez-Avila
- Department of Mechatronics Engineering, Universidad Autónoma de Bucaramanga, Bucaramanga, 680003, Colombia
| | - Sebastian Roa-Prada
- Department of Mechatronics Engineering, Universidad Autónoma de Bucaramanga, Bucaramanga, 680003, Colombia
| | - Graciela Chalela-Alvarez
- Research Center for Biotechnology, Bioethics and Environment, Universidad Autónoma de Bucaramanga, Bucaramanga, 680003, Colombia
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11
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12
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LU Z, WANG Y, ZHANG Z, SHEN Y, LI M. Tyrosinase Modified Poly(thionine) Electrodeposited Glassy Carbon Electrode for Amperometric Determination of Catechol. ELECTROCHEMISTRY 2017. [DOI: 10.5796/electrochemistry.85.17] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- ZhenYong LU
- School of Chemical Engineering, University of Science and Technology LiaoNing
| | - Yue WANG
- School of Chemical Engineering, University of Science and Technology LiaoNing
| | - ZhiQiang ZHANG
- School of Chemical Engineering, University of Science and Technology LiaoNing
| | - Yang SHEN
- School of Chemical Engineering, University of Science and Technology LiaoNing
| | - MengFan LI
- School of Chemical Engineering, University of Science and Technology LiaoNing
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13
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Yarman A, Scheller FW. MIP-esterase/Tyrosinase Combinations for Paracetamol and Phenacetin. ELECTROANAL 2016. [DOI: 10.1002/elan.201600042] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Aysu Yarman
- Institute for Biochemistry and Biology; University of Potsdam; Karl-Liebknecht Strasse 24-25 14476 Potsdam Germany
- Fraunhofer IZI-BB; Am Mühlenberg 13 14476 Potsdam Germany
| | - Frieder W. Scheller
- Institute for Biochemistry and Biology; University of Potsdam; Karl-Liebknecht Strasse 24-25 14476 Potsdam Germany
- Fraunhofer IZI-BB; Am Mühlenberg 13 14476 Potsdam Germany
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14
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Campanhã Vicentini F, Garcia LLC, Figueiredo-Filho LCS, Janegitz BC, Fatibello-Filho O. A biosensor based on gold nanoparticles, dihexadecylphosphate, and tyrosinase for the determination of catechol in natural water. Enzyme Microb Technol 2015; 84:17-23. [PMID: 26827770 DOI: 10.1016/j.enzmictec.2015.12.004] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2015] [Revised: 12/03/2015] [Accepted: 12/09/2015] [Indexed: 10/22/2022]
Abstract
In this work, a biosensor using a glassy carbon electrode modified with gold nanoparticles (AuNPs) and tyrosinase (Tyr) within a dihexadecylphosphate film is proposed. Cystamine and glutaraldehyde crosslinking agents were used as a support for Tyr immobilization. The proposed biosensor was characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), and cyclic voltammetry in the presence of catechol. The determination of catechol was carried out by amperometry and presented a linear concentration range from 2.5×10(-6) to 9.5×10(-5)molL(-1) with a detection limit of 1.7×10(-7)molL(-1). The developed biosensor showed good repeatability and stability. Moreover, this novel amperometric method was successfully applied in the determination of catechol in natural water samples. The results were in agreement with a 95% confidence level for those obtained using the official spectrophotometric method.
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Affiliation(s)
- Fernando Campanhã Vicentini
- Department of Chemistry, Federal University of São Carlos, Rod. Washington Luís km 235, P.O. Box 676, 13560-970 São Carlos, SP, Brazil; Center of Nature Sciences, Federal University of São Carlos, Rod. Lauri Simões de Barros km 12, 18290-000 Buri, SP, Brazil.
| | - Lívia L C Garcia
- Department of Chemistry, Federal University of São Carlos, Rod. Washington Luís km 235, P.O. Box 676, 13560-970 São Carlos, SP, Brazil
| | - Luiz C S Figueiredo-Filho
- Department of Chemistry, Federal University of São Carlos, Rod. Washington Luís km 235, P.O. Box 676, 13560-970 São Carlos, SP, Brazil; Federal Institute of Paraná, Câmpus Paranavaí, Rua José Felipe Tequinha 1400, Jardim das Nações 87703-536, Paranavaí, PR, Brazil
| | - Bruno C Janegitz
- Department of Chemistry, Federal University of São Carlos, Rod. Washington Luís km 235, P.O. Box 676, 13560-970 São Carlos, SP, Brazil; Department of Natural 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, Rod. Washington Luís km 235, P.O. Box 676, 13560-970 São Carlos, SP, Brazil
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15
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Amperometric biosensors precision improvement. Application to phenolic pollutants determination. Electrochim Acta 2014. [DOI: 10.1016/j.electacta.2014.09.106] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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16
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Shao M, Guschin DA, Kawah Z, Beyl Y, Stoica L, Ludwig R, Schuhmann W, Chen X. Cellobiose dehydrogenase entrapped within specifically designed Os-complex modified electrodeposition polymers as potential anodes for biofuel cells. Electrochim Acta 2014. [DOI: 10.1016/j.electacta.2013.11.019] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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17
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Park S, Singh A, Kim S, Yang H. Electroreduction-Based Electrochemical-Enzymatic Redox Cycling for the Detection of Cancer Antigen 15-3 Using Graphene Oxide-Modified Indium–Tin Oxide Electrodes. Anal Chem 2014; 86:1560-6. [DOI: 10.1021/ac403912d] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Seonhwa Park
- Department
of Chemistry and Chemistry Institute of Functional Materials, Pusan National University, Busan 609-735, Korea
| | - Amardeep Singh
- Department
of Chemistry and Chemistry Institute of Functional Materials, Pusan National University, Busan 609-735, Korea
| | - Sinyoung Kim
- Department
of Laboratory Medicine, Yonsei University College of Medicine, Seoul 135-720, Korea
| | - Haesik Yang
- Department
of Chemistry and Chemistry Institute of Functional Materials, Pusan National University, Busan 609-735, Korea
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18
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Nadifiyine S, Haddam M, Mandli J, Chadel S, Blanchard CC, Marty JL, Amine A. Amperometric Biosensor Based on Tyrosinase Immobilized on to a Carbon Black Paste Electrode for Phenol Determination in Olive Oil. ANAL LETT 2013. [DOI: 10.1080/00032719.2013.811679] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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19
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Tang L, Zhou Y, Zeng G, Li Z, Liu Y, Zhang Y, Chen G, Yang G, Lei X, Wu M. A tyrosinase biosensor based on ordered mesoporous carbon–Au/l-lysine/Au nanoparticles for simultaneous determination of hydroquinone and catechol. Analyst 2013; 138:3552-60. [DOI: 10.1039/c3an36928e] [Citation(s) in RCA: 76] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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20
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Yildiz HB, Demirkol DO, Sayin S, Yilmaz M, Koysuren O, Kamaci M. New Amperometric Cholesterol Biosensors Using Poly(ethyleneoxide) Conducting Polymers. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2013. [DOI: 10.1080/10601325.2013.821921] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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21
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Liu T, Xu M, Yin H, Ai S, Qu X, Zong S. A glassy carbon electrode modified with graphene and tyrosinase immobilized on platinum nanoparticles for sensing organophosphorus pesticides. Mikrochim Acta 2011. [DOI: 10.1007/s00604-011-0665-5] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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22
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Biosensor based on a glassy carbon electrode modified with tyrosinase immmobilized on multiwalled carbon nanotubes. Mikrochim Acta 2011. [DOI: 10.1007/s00604-011-0616-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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23
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Kätelhön E, Hofmann B, Lemay SG, Zevenbergen MAG, Offenhäusser A, Wolfrum B. Nanocavity redox cycling sensors for the detection of dopamine fluctuations in microfluidic gradients. Anal Chem 2011; 82:8502-9. [PMID: 20849083 DOI: 10.1021/ac101387f] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Electrochemical mapping of neurotransmitter concentrations on a chip promises to be an interesting technique for investigating synaptic release in cellular networks. In here, we present a novel chip-based device for the detection of neurotransmitter fluctuations in real-time. The chip features an array of plane-parallel nanocavity sensors, which strongly amplify the electrochemical signal. This amplification is based on efficient redox cycling via confined diffusion between two electrodes inside the nanocavity sensors. We demonstrate the capability of resolving concentration fluctuations of redox-active species in a microfluidic mixing gradient on the chip. The results are explained by a simulated concentration profile that was calculated on the basis of the coupled Navier-Stokes and convection-diffusion equations using a finite element approach.
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Affiliation(s)
- Enno Kätelhön
- Institut für Bio- und Nanosysteme (IBN), Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
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24
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Diaconu M, Litescu SC, Radu GL. Bienzymatic sensor based on the use of redox enzymes and chitosan–MWCNT nanocomposite. Evaluation of total phenolic content in plant extracts. Mikrochim Acta 2010. [DOI: 10.1007/s00604-010-0486-y] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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25
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26
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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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27
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Sensitive phenol determination based on co-modifying tyrosinase and palygorskite on glassy carbon electrode. Mikrochim Acta 2010. [DOI: 10.1007/s00604-010-0320-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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28
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Arecchi A, Scampicchio M, Drusch S, Mannino S. Nanofibrous membrane based tyrosinase-biosensor for the detection of phenolic compounds. Anal Chim Acta 2009; 659:133-6. [PMID: 20103115 DOI: 10.1016/j.aca.2009.11.039] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2009] [Revised: 11/16/2009] [Accepted: 11/17/2009] [Indexed: 11/19/2022]
Abstract
A tyrosinase-modified electrode is described to be used as amperometric biosensor for the detection of phenolic compounds in food. The enzyme has been immobilized by drop-coating on a glassy carbon electrode covered by a polyamidic nanofibrous membrane prepared by electrospinning. With respect to others, the selectivity of the designed tyrosinase-biosensor resulted modified by the presence of the nanostructured coating which seems to affect the permeability of phenols as a function of the pH of the solution and of their dissociation constants. The biosensor exhibits a response time of 16 s, a detection limit of 0.05 microM, and a linearity up to 100 microM (slope: -304 nA microM(-1); intercept: -191 nA, r(2)=0.996, n=19). Among others, it can be successfully used for monitoring in real time the release kinetics of phenols encapsulated in polymeric microcapsules.
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Affiliation(s)
- Alessandra Arecchi
- Dipartimento di Scienze e Tecnologie Alimentari, Università degli Studi di Milano, Via Celoria 2, 20133, Milan, Italy
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Redox-amplified biosensors based on selective modification of nanopore electrode structures with enzymes entrapped within electrodeposition paints. Mikrochim Acta 2008. [DOI: 10.1007/s00604-007-0928-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Kochana J, Gala A, Parczewski A, Adamski J. Titania sol-gel-derived tyrosinase-based amperometric biosensor for determination of phenolic compounds in water samples. Examination of interference effects. Anal Bioanal Chem 2008; 391:1275-81. [PMID: 18188544 DOI: 10.1007/s00216-007-1798-6] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2007] [Revised: 12/05/2007] [Accepted: 12/06/2007] [Indexed: 11/26/2022]
Abstract
For detection of phenolic compounds in environmental water samples we propose an amperometric biosensor based on tyrosinase immobilized in titania sol-gel. The analytical characteristics toward catechol, p-cresol, phenol, p-chlorophenol, and p-methylcatechol were determined. The linear range for catechol determination was 2.2 x 10(-7)-1.3 x 10(-5) mol L(-1) with a limit of detection of 9 x 10(-8) mol L(-1) and sensitivity 2.0 x 10(3) mA mol(-1) L. The influence of sample matrix components on the electrode response was studied according to Plackett-Burman experimental design. The potential interferents Mg(2+), Ca(2+), HCO3(-), SO4(2-), and Cl(-), which are usually encountered in waters, were taken into account in the examination. Cu(2+) was also taken into account, because CuSO(4) is sometimes added to a water sample, as a preservative, before determination of phenolic compounds. It was found that among the ions tested only Mg(2+) and Ca(2+) did not directly affect the electrode response. The developed biosensor was used for determination of catechol in spring and surface water samples using the standard addition method.
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Affiliation(s)
- J Kochana
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060, Kraków, Poland.
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