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Amperometric Biosensor for Choline Based on Gold Screen-Printed Electrode Modified with Electrochemically-Deposited Silica Biocomposite. ELECTROANAL 2015. [DOI: 10.1002/elan.201400694] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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2
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Glucose biosensor based on immobilization of glucose oxidase in electropolymerized poly(o-phenylenediamine) film on platinum nanoparticles-polyvinylferrocenium modified electrode. Electrochim Acta 2014. [DOI: 10.1016/j.electacta.2013.12.189] [Citation(s) in RCA: 75] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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3
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Özdemir M, Arslan H. Choline-sensing carbon paste electrode containing polyaniline (pani)-silicon dioxide composite-modified choline oxidase. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2013; 42:27-31. [PMID: 23432401 DOI: 10.3109/21691401.2013.768628] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
In this study, a novel carbon paste electrode (CPE) was prepared using the salt form of polyaniline (pani)-silicon dioxide composite that is sensitive to choline. Choline oxidase (ChO) enzyme was immobilized to modified carbon paste electrode (MCPE) by cross-linking with glutaraldehyde. Determination of choline was carried out by the oxidation of enzymatically produced H2O2 at 0.4 V vs. Ag/AgCl. The effects of pH and temperature were investigated, and the optimum parameters were found to be 6.0 and 60°C, respectively. The linear working range of the electrode was 5.0 × 10(-7)-1.0 × 10(-5) M, R(2) = 0.922. The storage stability and operation stability of the enzyme electrode were also studied.
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Affiliation(s)
- Merve Özdemir
- Department of Chemistry, Faculty of Sciences, Gazi University , Ankara , Türkiye
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Hasanzadeh M, Shadjou N, Eskandani M, Guardia MDL. Mesoporous silica-based materials for use in electrochemical enzyme nanobiosensors. Trends Analyt Chem 2012. [DOI: 10.1016/j.trac.2012.06.007] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Özdemir M, Arslan F, Arslan H. An amperometric biosensor for choline determination prepared from choline oxidase immobilized in polypyrrole-polyvinylsulfonate film. ACTA ACUST UNITED AC 2012; 40:280-4. [DOI: 10.3109/10731199.2011.646411] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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6
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Indirect electrocatalytic determination of choline by monitoring hydrogen peroxide at the choline oxidase-prussian blue modified iron phosphate nanostructures. Biosens Bioelectron 2012; 31:244-50. [DOI: 10.1016/j.bios.2011.10.026] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2011] [Accepted: 10/14/2011] [Indexed: 11/22/2022]
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7
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Amperometric xanthine biosensors based on electrodeposition of platinum on polyvinylferrocenium coated Pt electrode. ACTA ACUST UNITED AC 2011. [DOI: 10.1016/j.molcatb.2011.06.017] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Paşahan A, Köytepe S, Ekinci E. Synthesis, characterization of poly(4, 4’-diaminophenylethanepyromellitimide) and its use as immobilized enzyme polyimide membrane. HIGH PERFORM POLYM 2010. [DOI: 10.1177/0954008310379926] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
A novel polyimide prepared from pyromellitic dianhydride (PMDA) and 1,2-bis(4-aminophenyl)ethane was characterized by Fourier transform infrared spectrometer and gel permeation chromatography. Thermal properties of the poly(4,4’-diaminophenylethane-pyromellitimide) (PDP) were evaluated by differential scanning calorimetry, differential thermal analysis and thermogravimetry. The PDP exhibited high decomposition temperature Td (°C), good thermal stability and good adhesive properties. Moreover, that the possibility of whether the chemically-prepared polyimide film could be used as a membrane for immobilization of glucose oxidase (GOx) was investigated. The amperometric response of the PDP/GOx/Pt electrode to hydrogen peroxide, formed as the product of enzymatic reaction, was measured at a potential of 700 mV (vs. SCE) in phosphate buffer solution by means of the TB technique. The amperometric glucose sensor was very high R-value (0.9995). The structure of the GOx micelles contained in polyimide membrane was observed by scanning electron microscopy. From the amperometric responses, it was also demonstrated that PDP film could be used as a solid-state immobilized enzyme polyimide membrane for biosensor design because of its strong adherence to electrode surface and chemical stability.
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Affiliation(s)
- Aziz Paşahan
- İnönü University, Faculty of Sciences and Literature, Department of Chemistry, Malatya, Turkey,
| | - Süleyman Köytepe
- İnönü University, Faculty of Sciences and Literature, Department of Chemistry, Malatya, Turkey
| | - Ergun Ekinci
- İnönü University, Faculty of Sciences and Literature, Department of Chemistry, Malatya, Turkey
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Qin X, Wang H, Wang X, Li S, Miao Z, Huang N, Chen Q. Amperometric choline biosensors based on multi-wall carbon nanotubes and layer-by-layer assembly of multilayer films composed of Poly(diallyldimethylammonium chloride) and choline oxidase. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2009. [DOI: 10.1016/j.msec.2008.11.020] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Robinson KL, Lawrence NS. Vinylferrocene homopolymer and copolymers: an electrochemical comparison. ANAL SCI 2008; 24:339-43. [PMID: 18332540 DOI: 10.2116/analsci.24.339] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Poly(vinylferrocene) (pVFc) homopolymer was synthesized by free radical polymerization, along with a series of pVFc-based copolymers containing either styrene, vinylanthracene or methylmethacrylate. This report details the electrochemical experiments conducted to examine the stability of the various pVFc based polymers, which is shown to be critically dependent on the extent of copolymerization. A trend was found that when the concentration of co-monomer was decreased, electrochemical stability was enhanced. Furthermore incorporation of a second monomer into the polymer chain produced a profound effect on the scan rate behaviour of the vinylferrocene moiety. As the concentration of co-monomer was decreased, the behaviour tended towards that of a diffusion controlled process. These results are of vital significance for the development of pVFc-based electrochemical sensors.
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Affiliation(s)
- Kay L Robinson
- Schlumberger Cambridge Research, High Cross, Cambridge, CB3 0EL, UK
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Synthesis, characterization of phosphine oxide-containing polyimides and their use as selective membrane for dopamine. JOURNAL OF POLYMER RESEARCH 2007. [DOI: 10.1007/s10965-007-9165-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Zhang J, Zhu Y. Determination of betaine, choline and trimethylamine in feed additive by ion-exchange liquid chromatography/non-suppressed conductivity detection. J Chromatogr A 2007; 1170:114-7. [PMID: 17915231 DOI: 10.1016/j.chroma.2007.09.014] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2007] [Revised: 09/01/2007] [Accepted: 09/11/2007] [Indexed: 10/22/2022]
Abstract
An ion chromatography method with non-suppressed conductivity detection was developed for the simultaneous determination of betaine, choline and trimethylamine in feed additive. The analytes and the common inorganic cations were well separated by means of cation-exchange chromatography using a 4.5 mmol/L methanesulfonic acid solution containing 10% (v/v) acetonitrile as eluent and an IonPac SCS1 column (250 mm x 4 mm i.d.) as the separation column. The effects of the different chromatographic parameters on the separation were also investigated. Detection limits of betaine, choline and trimethylamine were 0.076, 0.044 and 0.041 mg/L. The relative standard deviations (RSDs) of the retention time and peak area were less than 0.30% and 0.88%, respectively. The recoveries were between 93.2% and 112.6%. The method is suitable for use as a routine method in production quality control of feed additive.
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Affiliation(s)
- Jiajie Zhang
- Department of Chemistry, Zhangjiang University, Hangzhou 310028, China
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Sánchez-Paniagua López M, Hervás Pérez J, López-Cabarcos E, López-Ruiz B. Amperometric Biosensors Based on Choline Oxidase Entrapped in Polyacrylamide Microgels. ELECTROANAL 2007. [DOI: 10.1002/elan.200603742] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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14
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Yucel D, Ozer N, Hasirci V. Construction of a choline biosensor through enzyme immobilization on a poly(2-hydroxyethyl methacrylate)-grafted Teflon film. J Appl Polym Sci 2007. [DOI: 10.1002/app.26124] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Shi H, Yang Y, Huang J, Zhao Z, Xu X, Anzai JI, Osa T, Chen Q. Amperometric choline biosensors prepared by layer-by-layer deposition of choline oxidase on the Prussian blue-modified platinum electrode. Talanta 2006; 70:852-8. [PMID: 18970850 DOI: 10.1016/j.talanta.2006.02.012] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2005] [Revised: 02/04/2006] [Accepted: 02/07/2006] [Indexed: 01/28/2023]
Abstract
An amperometric choline biosensor was developed by immobilizing choline oxidase (ChOx) in a layer-by-layer (LBL) multilayer film on a platinum (Pt) electrode modified with Prussian blue (PB). 6-O-Ethoxytrimethylammoniochitosan chloride (EACC) was used to prepare the ChOx LBL films. The choline biosensor was used at 0.0V versus Ag/AgCl to detect choline and exhibited good characteristics such as relative low detection limit (5x10(-7)M), short response time (within 10s), high sensitivity (88.6muAmM(-1)cm(-2)) and a good selectivity. The results were explained based on the ultrathin nature of the LBL films and the low operating potential that could be due to the efficient catalytic reduction of H(2)O(2) by PB. In addition, the effects of pH, temperature and applied potential on the amperometric response of choline biosensor were evaluated. The apparent Michaelis-Menten constant was found to be (0.083+/-0.001)x10(-3)M. The biosensor showed excellent long-term storage stability, which originates from a strong adsorption of ChOx in the EACC multilayer film. When the present choline biosensor was applied to the analysis of phosphatidylcholine in serum samples, the measurement values agreed satisfactorily with those by a hospital method.
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Affiliation(s)
- Haibin Shi
- College of Life Science, Nankai University, Tianjin 300071, China
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Wang J, Liu G, Lin Y. Amperometric choline biosensor fabricated through electrostatic assembly of bienzyme/polyelectrolyte hybrid layers on carbon nanotubes. Analyst 2006; 131:477-83. [PMID: 16568162 DOI: 10.1039/b516038c] [Citation(s) in RCA: 64] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report a flow injection amperometric choline biosensor based on the electrostatic assembly of the choline oxidase (ChO) enzyme and a bienzyme of ChO and horseradish peroxidase (HRP) onto multi-wall carbon nanotubes (MWCNT) modified glassy carbon (GC) electrodes. These choline biosensors were fabricated by immobilization of enzymes on the negatively charged MWCNT surface through alternately assembling a cationic poly(diallydimethylammonium chloride) (PDDA) layer and an enzyme layer. Using this layer-by-layer assembling approach, a bioactive nanocomposite film of PDDA/ChO/PDDA/HRP/PDDA/CNT (ChO/HRP/CNT) and PDDA/ChO/PDDA/CNT (ChO/CNT) was fabricated on the GC surface. Owing to the electrocatalytic effect of carbon nanotubes, the measurement of faradic responses resulting from enzymatic reactions has been realized at low potential with acceptable sensitivity. The ChO/HRP/CNT biosensor is more sensitive than the ChO/CNT one. Experimental parameters affecting the sensitivity of biosensors, e.g., applied potential, flow rate, etc., were optimized and potential interference was examined. The response time for this choline biosensor is fast (few seconds). The linear range of detection for the choline biosensor is from 5.0 x 10(-5) to 5.0 x 10(-3) M and the detection limit is about 1.0 x 10(-5) M.
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Affiliation(s)
- Jun Wang
- Pacific Northwest National Laboratory, Richland, WA 99352, USA
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Shi H, Song Z, Huang J, Yang Y, Zhao Z, Anzai JI, Osa T, Chen Q. Effects of the type of polycation on the amperometric response of choline biosensors prepared by a layer-by-layer deposition technique. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2005. [DOI: 10.1016/j.msec.2004.11.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Gülce A, Gülce H. Polyvinylferrocenium modified Pt electrode for anaerobic glucose monitoring. ACTA ACUST UNITED AC 2005; 62:81-92. [PMID: 15656946 DOI: 10.1016/j.jbbm.2004.09.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2004] [Accepted: 09/29/2004] [Indexed: 10/26/2022]
Abstract
An amperometric enzyme electrode for the determination of glucose under anaerobic solution conditions was developed by immobilizing glucose oxidase and then by adsorbing ferrocene in polyvinylferrocenium matrix coated on a Pt electrode surface. The amperometric response due to the electrooxidation of ferrocene that the reduced flavin adenine dinucleotide centers of glucose oxidase was measured at a constant potential. The response characteristics of the enzyme electrode were investigated. The effects of the thickness of the polymeric film, the amount of the enzyme immobilized, the amount of the mediator, the glucose concentration, the applied potential, operating pH and temperature on the response of the enzyme electrode were studied. The response time and the optimum pH were found to be 30-40 s and pH 7.4 at 25 degrees C, respectively. The linear response was observed up to 5.0 mM glucose concentration that the produced detectable current was 0.0075 mM glucose concentration. The activation energy (E(a)) of immobilized enzyme reaction was calculated to be 41.3 kJ mol(-1) from the Arrhenius plot. The apparent Michaelis-Menten constant (K(Mapp)) was found to be 6.05 mM glucose according to the Lineweaver-Burk graph of the Michaelis-Menten equation under the optimum conditions. The interference signal due to the most common electrochemical interfering species was also evaluated.
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Affiliation(s)
- Ahmet Gülce
- Department of Chemical Engineering, Selçuk University, 42031 Konya, Turkey.
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Sen S, Gülce A, Gülce H. Polyvinylferrocenium modified Pt electrode for the design of amperometric choline and acetylcholine enzyme electrodes. Biosens Bioelectron 2004; 19:1261-8. [PMID: 15046758 DOI: 10.1016/j.bios.2003.11.011] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2003] [Revised: 10/20/2003] [Accepted: 11/19/2003] [Indexed: 10/26/2022]
Abstract
A simple method of enzyme immobilization was investigated, which is useful for development of enzyme electrodes based on polyvinylferrocenium perchlorate coated Pt electrode surface. Enzymes were incorporated into the polymer matrix via ion exchange process by immersing polyvinylferrocenium perchlorate coated Pt electrode in enzyme solution for several times. Choline and acetylcholine enzyme electrodes were developed by co-immobilizing choline oxidase and acetylcholinesterase in polyvinylferrocenium perchlorate matrix coated on a Pt electrode surface. The amperometric responses of the enzyme electrodes were measured at +0.70 V versus SCE, which was due to the electrooxidation of enzymatically produced H2O2. The effects of the thickness of the polymeric film, pH, temperature, substrate and enzyme concentrations on the response of the enzyme electrode were investigated. The optimum pH was found to be pH 7.4 at 25 degrees C. The steady-state current of these enzyme electrodes were reproducible within +/-5.0% of the relative error. Response time was found to be 30-50s and upper limit of the linear working portions was found to be 1.2mM choline and acetylcholine concentrations in which produced detectable currents were 1.0 x 10(-6)M substrate concentrations. The apparent Michaelis-Menten constant and the activation energy of this immobilized enzyme system were found to be 1.74 mM acetylcholine and 14.9 kJ mol(-1), respectively. The effects of interferents and stability of the enzyme electrodes were also investigated.
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Affiliation(s)
- S Sen
- Department of Chemistry, Süleyman Demirel University, 32260 Isparta, Turkey
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