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Determination of glutamate using paper-based microfluidic devices with colorimetric detection for food samples. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107513] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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2
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Devi R, Gogoi S, Barua S, Sankar Dutta H, Bordoloi M, Khan R. Electrochemical detection of monosodium glutamate in foodstuffs based on Au@MoS2/chitosan modified glassy carbon electrode. Food Chem 2019; 276:350-357. [DOI: 10.1016/j.foodchem.2018.10.024] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Revised: 09/28/2018] [Accepted: 10/04/2018] [Indexed: 12/19/2022]
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Rahman MM, Umar A, Sawada K. High-sensitive glutamate biosensor based on NADH at Lauth's violet/multiwalled carbon nanotubes composite film on gold substrates. J Phys Chem B 2009; 113:1511-6. [PMID: 19143491 DOI: 10.1021/jp809693z] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A highly sensitive amperometric L-glutamate biosensor based on the electrocatalytic oxidation of reduced nicotinamide adenine dinucleotide has been developed on Lauth's Violet (known as thionine)/multiwalled carbon nanotubes (Th-MWCNTs) composite film, which is used as a mediator and an enzyme immobilization matrix. The glutamate biosensor, which is fabricated by immobilizing glutamate dehydrogenase (GLDH) on the surface of Th-MWCNTs, displayed a precipitous response (ca. 3 s), a low detection limit (15.9 nM), a wide linear dynamic range (0.1 to 500 microM), and high sensitivity of 281.6 microAmM(-1) cm(-2), higher biological affinity, as well as good stability and repeatability. Interferences from other biological compounds were also studied for the fabricated sensor. The Th-MWCNTs system exemplifies a simple and efficient approach to the assimilation of GLDH and electrodes, which can provide analytical access to a large group of enzymes for wide range of bioelectrochemical applications in health care fields.
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Affiliation(s)
- M M Rahman
- Venture Business Laboratory, Department of Electrical and Electronic Engineering, Toyohashi University of Technology, Toyohashi, Aichi 441-8580, Japan.
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Meng L, Wu P, Chen G, Cai C, Sun Y, Yuan Z. Low potential detection of glutamate based on the electrocatalytic oxidation of NADH at thionine/single-walled carbon nanotubes composite modified electrode. Biosens Bioelectron 2008; 24:1751-6. [PMID: 18945610 DOI: 10.1016/j.bios.2008.09.001] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2008] [Revised: 09/01/2008] [Accepted: 09/04/2008] [Indexed: 11/15/2022]
Abstract
A glutamate biosensor based on the electrocatalytic oxidation of reduced nicotinamide adenine dinucleotide (NADH), which was generated by the enzymatic reaction, was developed via employing a single-walled carbon nanotubes/thionine (Th-SWNTs) nanocomposite as a mediator and an enzyme immobilization matrix. The biosensor, which was fabricated by immobilizing glutamate dehydrogenase (GlDH) on the surface of Th-SWNTs, exhibited a rapid response (ca. 5s), a low detection limit (0.1 microM), a wide and useful linear range (0.5-400 microM), high sensitivity (137.3+/-15.7) microA mM(-1)cm(-2), higher biological affinity, as well as good stability and repeatability. In addition, the common interfering species, such as ascorbic acid, uric acid, and 4-acetamidophenol, did not cause any interference due to the use of a low operating potential (190 mV vs. NHE). The biosensor can be used to quantify the concentration of glutamate in the physiological level. The Th-SWNTs system represents a simple and effective approach to the integration of dehydrogenase and electrodes, which can provide analytical access to a large group of enzymes for wide range of bioelectrochemical applications including biosensors and biofuel cells.
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Affiliation(s)
- Ling Meng
- Jiangsu Key Laboratory of Biofunctional Materials, College of Chemistry and Environmental Science, Nanjing Normal University, Nanjing, PR China
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Recent Development in Optical Chemical Sensors Coupling with Flow Injection Analysis. SENSORS 2006. [DOI: 10.3390/s6101245] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Lapp H, Spohn U, Janasek D. An Enzymatic Chemiluminescence Optrode for Choline Detection Under Flow Injection Conditions. ANAL LETT 2006. [DOI: 10.1080/00032719608000387] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- H. Lapp
- a Institut of Technical Biochemistry, University of Halle , Weinbergweg 16a, D-06120, Halle , Germany
| | - U. Spohn
- a Institut of Technical Biochemistry, University of Halle , Weinbergweg 16a, D-06120, Halle , Germany
| | - D. Janasek
- a Institut of Technical Biochemistry, University of Halle , Weinbergweg 16a, D-06120, Halle , Germany
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Katsos NE, Labrou NE, Clonis YD. Interaction of l-glutamate oxidase with triazine dyes: selection of ligands for affinity chromatography. J Chromatogr B Analyt Technol Biomed Life Sci 2004; 807:277-85. [PMID: 15203041 DOI: 10.1016/j.jchromb.2004.04.032] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2004] [Revised: 03/24/2004] [Accepted: 04/21/2004] [Indexed: 11/24/2022]
Abstract
Glutamate oxidase (GOX, EC 1.4.3.11) from Streptomyces catalyses the oxidation of L-glutamate to alpha-ketoglutarate. Its kinetic constants for L-glutamate were measured equal to 2 mM for Km and 85.8 s(-1) for kcat. BLAST search and amino acid sequence alignments revealed low homology to other L-amino acid oxidases (18-38%). Threading methodology, homology modeling and CASTp analysis resulted in certain conclusions concerning the structure of catalytic alpha-subunit and led to the prediction of a binding pocket that provides favorable conditions of accommodating negatively charged aromatic ligands, such as sulphonated triazine dyes. Eleven commercial textile dyes and four biomimetic dyes or minodyes, bearing a ketocarboxylated-structure as their terminal biomimetic moiety, immobilized on cross-linked agarose gel. The resulted mini-library of affinity adsorbents was screened for binding and eluting L-glutamate oxidase activity. All but Cibacron Blue 3GA (CB3GA) affinity adsorbents were able to bind GOX at pH 5.6. One immobilized minodye-ligand, bearing as its terminal biomimetic moiety p-aminobenzyloxanylic acid (BM1), displayed the higher affinity for GOX. Kinetic inhibition studies showed that BM1 inhibits GOX in a non-competitive manner with a Ki of 10.5 microM, indicating that the dye-enzyme interaction does not involve the substrate-binding site. Adsorption equilibrium data, obtained from a batch system with BM1 adsorbent, corresponded well to the Freundlich isotherm with a rate constant k of 2.7 mg(1/2)ml(1/2)/g and Freundlich isotherm exponent n of 1. The interaction of GOX with the BM1 adsorbent was further studied with regards to adsorption and elution conditions. The results obtained were exploited in the development of a facile purification protocol for GOX, which led to 335-fold purification in a single step with high enzyme recovery (95%). The present purification procedure is the most efficient reported so far for L-glutamate oxidase.
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Affiliation(s)
- N E Katsos
- Laboratory of Enzyme Technology, Department of Agricultural Biotechnology, Agricultural University of Athens, 75 Iera Odos Street, GR-11855 Athens, Greece
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Hong HC, Huang HJ. Flow injection analysis of uric acid with a uricase- and horseradish peroxidase-coupled Sepharose column based luminol chemiluminescence system. Anal Chim Acta 2003. [DOI: 10.1016/s0003-2670(03)00950-4] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Kiba N, Ito S, Tachibana M, Tani K, Koizumi H. Flow-through chemiluminescence sensor using immobilized oxidases for the selective determination of L-glutamate in a flow-injection system. ANAL SCI 2001; 17:929-33. [PMID: 11708095 DOI: 10.2116/analsci.17.929] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
A selective and sensitive chemiluminometric flow sensor for the determination of L-glutamate in serum, based on immobilized oxidases such as glutamate oxidase (GOD), uricase (UC) and peroxidase (POD), is described herein. The principle for the selective chemiluminometric detection for L-glutamate is based on coupled reactions of four sequentially aligned immobilized oxidases, UC/POD/GOD/POD in a flow cell. The immobilized UC was employed to decompose urate, which is one of the major interfering components in serum for a luminol-H2O2 chemiluminescence reaction. The H2O2 produced from the UC reaction readily reacted with reducing components, such as ascorbate and glutathione, and then the excess H2O2 was decomposed by the immobilized POD. L-Glutamate in the sample plug was enzymatically converted to H2O2 with immobilized GOD. Subsequently, the peroxide reacts with luminol on the immobilized POD to produce chemiluminescence, proportional to glutamate concentration. The enzymes were immobilized on tresylated poly(vinyl alcohol beads). The immobilized enzymes were packed into TPFE tube (1.0 mm i.d. x 60 cm), in turn, and used as a flow cell. The sampling rate was 30 h-1. The calibration graph for L-glutamate is linear for 20 nM-5 microM; the detection limit (signal-to-noise = 3) is 10 nM.
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Affiliation(s)
- N Kiba
- Department of Applied Chemistry and Biotechnology, Faculty of Engineering, Yamanashi University, Kofu 400-8511, Japan.
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Collins A, Mikeladze E, Bengtsson M, Kokaia M, Laurell T, Csöregi E. Interference Elimination in Glutamate Monitoring with Chip Integrated Enzyme Microreactors. ELECTROANAL 2001. [DOI: 10.1002/1521-4109(200104)13:6<425::aid-elan425>3.0.co;2-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Chen CY, Wu WT, Huang CJ, Lin MH, Chang CK, Huang HJ, Liao JM, Chen LY, Liu YT. A common precursor for the three subunits ofL-glutamate oxidase encoded bygoxgene fromStreptomyces platensisNTU3304. Can J Microbiol 2001. [DOI: 10.1139/w01-003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A segment of DNA containing the L-glutamate oxidase (gox) gene from Streptomyces platensis NTU3304 was cloned. The entire nucleotide sequence of the protein-coding portion consisting of 2130 bp (710 codons, including AUG and UGA) of the cloned DNA fragment was determined. The gox gene contained only one open reading frame (ORF) which coded for a 78-kDa polypeptide, the precursor of active extracellular Gox. Mature Gox is composed of three subunits, designated as α, β, and γ, with molecular masses of 39, 19, and 16 kDa, respectively. Analyses of the N-terminal amino acid sequences of the subunits revealed that the order of subunits in the precursor polypeptide encoded by the ORF, from N-terminus to C-terminus, is αγβ. The presence of the flavin adenine dinucleotide (FAD)-binding motif place Gox as a member of the flavoenzyme family. Furthermore, a negative effect of glucose on the biosynthesis of Gox was observed when it was used as carbon source.Key words: L-glutamate oxidase, gox gene, signal peptide, DNA sequence, flavoenzyme, pIJ702 vector.
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Liu Z, Niwa O, Horiuchi T, Kurita R, Torimitsu K. NADH and glutamate on-line sensors using Os-gel-HRP/GC electrodes modified with NADH oxidase and glutamate dehydrogenase. Biosens Bioelectron 1999. [DOI: 10.1016/s0956-5663(99)00041-x] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Zhang X, Baeyens W, Garcı́a-Campaña A, Ouyang J. Recent developments in chemiluminescence sensors. Trends Analyt Chem 1999. [DOI: 10.1016/s0165-9936(99)00109-0] [Citation(s) in RCA: 36] [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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16
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Janasek D, Spohn U. Chemiluminometric Flow Injection Analysis procedures for the enzymatic determination of l-alanine, α-ketoglutarate and l-glutamate. Biosens Bioelectron 1999. [DOI: 10.1016/s0956-5663(98)00115-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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17
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Kiba N, Tachibana M, Tani K, Miwa T. Chemiluminometric branched chain amino acids determination with immobilized enzymes by flow-injection analysis. Anal Chim Acta 1998. [DOI: 10.1016/s0003-2670(98)00512-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Nakamura H, Ikebukuro K, McNiven S, Karube I, Yamamoto H, Hayashi K, Suzuki M, Kubo I. A chemiluminescent FIA biosensor for phosphate ion monitoring using pyruvate oxidase. Biosens Bioelectron 1998; 12:959-66. [PMID: 9451787 DOI: 10.1016/s0956-5663(97)00032-8] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
We have constructed an automatic phosphate ion sensing system for the quality control of drinking water. The analyte was detected using the phosphate ion-dependent pyruvate oxidase reaction and the hydrogen peroxide produced was detected by luminol chemiluminescence catalyzed by Arthromyces ramosus peroxidase. We obtained a detection limit of 0.16 microM phosphate ion (5 ppb phosphorus) and it was possible to detect 0.32 microM phosphate ion for 48 days using pyruvate oxidase immobilized on Chitopearl BCW-2601 beads. An excellent correlation (r2 = 1.00) was obtained between the results obtained using our phosphate ion sensor and those using a modified Molybdenum Blue method.
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Affiliation(s)
- H Nakamura
- Research Center for Advanced Science and Technology, University of Tokyo, Japan
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Mădăraş MB, Spokane RB, Johnson JM, Woodward JR. Glutamine biosensors for biotechnology applications, with suppression of the endogenous glutamate signal. Anal Chem 1997; 69:3674-8. [PMID: 9302872 DOI: 10.1021/ac970173f] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Glutamine membranes for amperometric measurements are described. The interference of the endogenous glutamate is greatly diminished by using a supplementary "anti-glutamate" layer consisting of immobilized glutamate oxidase and catalase on top of the glutamine-sensitive layer having co-immobilized glutaminase and glutamate oxidase. The use of polycarbonate membranes with different permeability characteristics for the control of the substrate's access to the enzyme layers is presented, as well as the effect of the density of the enzyme layer on the sensitivity of these membranes. The fabricated membranes have good operational stability (at least 5 days) and very good linearity (up to 10 mM glutamine). Using an appropriate choice of membranes and cross-linking conditions, membranes with good rejection of glutamate have been fabricated (less than 6% RSD for a 5 mM glutamine sample containing 5 mM glutamate as interferent). These membranes are suitable for monitoring of glutamine levels in mammalian cell cultures without the need of a separate measurement for glutamate.
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Affiliation(s)
- M B Mădăraş
- Department of Chemistry, University of North Carolina at Chapel Hill 27599-3290, USA.
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Abstract
Concerning speed, cost and on-line capabilities, biosensors offer attractive alternatives to existing methods for food analysis. They make monitoring and control of manufacturing processes possible. Furthermore, portable biosensors could be used for monitoring in manufacturing, retail and distribution of foods. An overview is given about existing biosensors for foodstuffs that could find applications in food industry.
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Affiliation(s)
- A Warsinke
- Institute of Biochemistry and Molecular Physiology, University of Potsdam, MDC Max-Delbrück-Center, Berlin, Germany
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Niwa O, Torimitsu K, Morita M, Osborne P, Yamamoto K. Concentration of extracellular L-glutamate released from cultured nerve cells measured with a small-volume online sensor. Anal Chem 1996; 68:1865-70. [PMID: 8686911 DOI: 10.1021/ac951154d] [Citation(s) in RCA: 78] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
An online sensor with a low detection limit for L-glutamate was developed in order to monitor the change in the extracellular L-glutamate concentration as a result of stimulated release from cultured nerve cells. The sensor consisted of a microdialysis (MD) probe fixed at the manipulator, a small-volume L-glutamate oxidase enzymatic reactor (0.75 mm i.d. and 2.5 cm long), and an electrochemical detector in a thin-layer radial flow cell with an active volume of 70-340 nL. Glassy carbon bulk or carbon film ring-disk electrodes were used as detectors by modifying them with Os poly(vinylpyridine) mediator containing horseradish peroxidase. The overall efficiency of L-glutamate detection with the sensor is 94% under optimum conditions, due to an efficient enzymatic reaction in the reactor and a high conversion efficiency in the radial flow cell. As a result, we achieved a sensitivity of 24.3 nA/muM and a detection limit of 7.2 nM (S/N = 3). The effect of interferents such as L-ascorbic acid can be minimized effectively by applying a low potential to the electrode for hydrogen peroxide detection (O mV) and via the ring-disk electrode geometry by using the disk for preoxidation. In the in vitro experiment, an MD probe for sampling was connected to a manipulator that controls distance between the probe and the stimulated cells. The cells were stimulated by KCl in a glass capillary or electrically with microarray film electrodes fabricated on a substrate. By using the sensor, we can monitor L-glutamate concentration changes at the submicromolar level caused by KCl stimulation of a single nerve cell and micromolar L-glutamate concentration increases caused by electrical stimulation of a brain slice. An increase in L-glutamate concentration can also be measured by positioning the probe near the cell that is connected synaptically to the stimulated cell.
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Affiliation(s)
- O Niwa
- NTT Basic Research Laboratories, Atsugi, Japan
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Selective flow injection procedures for the determination of nitrogen containing analytes by gasdialytic-fluorimetric detection of enzymatically generated ammonia. Anal Chim Acta 1996. [DOI: 10.1016/0003-2670(96)00004-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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23
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Immobilization of L-glutamate oxidase and peroxidase for glutamate determination in flow injection analysis system. Appl Biochem Biotechnol 1996. [DOI: 10.1007/bf02787857] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Qingshan L, Lijun W, Yourong L. Color development with rational screening method for improved l-glutamate oxidase-producing strains. Enzyme Microb Technol 1996. [DOI: 10.1016/0141-0229(96)00053-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Abstract
The phenomenon of chemiluminescence allows the development of simple analytical procedures using low cost instrumentation which can be easily controlled by computers. The sensitivity of the methods is excellent, and selectivity is improved by high-performance liquid chromatographic separation. A broad area of chemiluminometric applications is drug analysis, which is reviewed in this paper.
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Affiliation(s)
- A C Calokerinos
- Laboratory of Analytical Chemistry, University of Athens, Greece
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Determination of branched-chain L-amino acids by flow-injection analysis with co-immobilized leucine dehydrogenase/NADH oxidase and chemiluminescence detection. Anal Chim Acta 1995. [DOI: 10.1016/0003-2670(95)00146-q] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Schubert F, Wang F, Rinneberg H. Fibre optic fluorometric enzyme sensors for hydrogen peroxide and lactate, based on horseradish peroxidase and lactate oxidase. Mikrochim Acta 1995. [DOI: 10.1007/bf01248253] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Spohn U, Preuschoff F, Blankenstein G, Janasek D, Kula M, Hacker A. Chemiluminometric enzyme sensors for flow-injection analysis. Anal Chim Acta 1995. [DOI: 10.1016/0003-2670(94)00462-u] [Citation(s) in RCA: 51] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Jürgens H, Brandes L, Joppien R, Siebold M, Schubert J, Wu X, Kretzmer G, Schügerl K. Development of enzyme cartridge flow-injection analysis for industrial process monitoring. Part II. Application for monitoring of microorganism cultivations. Anal Chim Acta 1995. [DOI: 10.1016/0003-2670(94)00492-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Preuschoff F, Spohn U, Blankenstein G, Mohr KH, Kula MR. Chemiluminometric hydrogen peroxide sensor for flow injection analysis. ACTA ACUST UNITED AC 1993. [DOI: 10.1007/bf00322752] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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