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Ly SY, Lee CH, Koo JM. Detection of Toxic Heavy Metal, Co(II) Trace via Voltammetry with Semiconductor Microelectrodes. Toxicol Res 2017; 33:135-140. [PMID: 28503262 PMCID: PMC5426505 DOI: 10.5487/tr.2017.33.2.135] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2016] [Revised: 01/26/2017] [Accepted: 01/27/2017] [Indexed: 11/20/2022] Open
Abstract
The cobalt (Co(II)) ion is a main component of alloys and considered to be carcinogenic, especially due to the carcinogenic and toxicological effects in the aquatic environment. The toxic trace of the Co(II) detection was conducted using the infrared photodiode electrode (IPDE) using a working electrode, via the cyclic and square-wave anodic stripping voltammetry. The results indicated a sensitive oxidation peak current of Co(II) on the IPDE. Under the optimal conditions, the common-type glassy carbon, the metal platinum, the carbon paste, and the carbon fiber microelectrode were compared with the IPDE in the electrolyte using the standard Co(II). The IPDE was found to be far superior to the others.
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Affiliation(s)
- Suw Young Ly
- Biosensor Research Institute, Seoul National University of Science and Technology, Seoul,
Korea
| | - Chang Hyun Lee
- Department of Integrated Environmental Systems, Pyeongtaek University, Pyeongtaek,
Korea
| | - Jae Mo Koo
- Asia Pacific International School, Seoul,
Korea
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Tang Y, Tyndall GS, Orlando JJ. Spectroscopic and Kinetic Properties of HO2 Radicals and the Enhancement of the HO2 Self Reaction by CH3OH and H2O. J Phys Chem A 2009; 114:369-78. [DOI: 10.1021/jp905279b] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yongxin Tang
- Atmospheric Chemistry Division, National Center for Atmospheric Research, Boulder, Colorado 80307
| | - Geoffrey S. Tyndall
- Atmospheric Chemistry Division, National Center for Atmospheric Research, Boulder, Colorado 80307
| | - John J. Orlando
- Atmospheric Chemistry Division, National Center for Atmospheric Research, Boulder, Colorado 80307
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Hickson KM, Bergeat A, Costes M. A Low Temperature Study of the Reactions of Atomic Chlorine with Simple Alkanes. J Phys Chem A 2009; 114:3038-44. [DOI: 10.1021/jp9061253] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Kevin M. Hickson
- Université de Bordeaux, Institut des Sciences Moléculaires, 351 Cours de la Libération, 33405 Talence Cedex, France, and CNRS UMR 5255, ISM, 33405 Talence Cedex, France
| | - Astrid Bergeat
- Université de Bordeaux, Institut des Sciences Moléculaires, 351 Cours de la Libération, 33405 Talence Cedex, France, and CNRS UMR 5255, ISM, 33405 Talence Cedex, France
| | - Michel Costes
- Université de Bordeaux, Institut des Sciences Moléculaires, 351 Cours de la Libération, 33405 Talence Cedex, France, and CNRS UMR 5255, ISM, 33405 Talence Cedex, France
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Young Ly S, Keun Kim J. Simultaneous real-time assay of copper and cadmium ions by infrared photo diode electrode implanted in the muscle of live fish. J Biochem Mol Toxicol 2009; 23:256-62. [DOI: 10.1002/jbt.20287] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Wada R, Sharma RC, Blitz MA, Seakins PW. Studies on the Cl + C2H5I reaction; site specific abstraction reactions and thermodynamics of adduct formation studied by observation of HCL product. Phys Chem Chem Phys 2009; 11:10417-26. [PMID: 19890528 DOI: 10.1039/b907793f] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- R Wada
- School of Chemistry, University of Leeds, Leeds, UK LS2 9JT
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Voltammetric Assay of Vitamin C Using Infrared Photo Diode Electrode. JOURNAL OF THE KOREAN CHEMICAL SOCIETY-DAEHAN HWAHAK HOE JEE 2008. [DOI: 10.5012/jkcs.2008.52.5.482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Ly SY, Lee HK, Kwak KJ, Ko JS, Lee JJ, Cho JH, Kim KH, Kim MS, Lee SJ. Analysis of Lead Ions in a Waste Solution Using Infrared Photo-Diode Electrode. Toxicol Res 2008; 24:227-233. [PMID: 32038800 PMCID: PMC7006270 DOI: 10.5487/tr.2008.24.3.227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2008] [Revised: 08/14/2008] [Accepted: 08/22/2008] [Indexed: 11/20/2022] Open
Abstract
To detect lead ions using electrochemical voltammetric analysis, Infrared Photo-Diode Electrode (IPDE) was applied via cyclic and square wave stripping voltammetry. Lead ions were deposited at 0.5 V (versus Ag/AgCl) accumulation potential. Instrumental measurements systems were made based on a simple and compact detection system. The stripping voltammetric and cyclic voltammetric optimal parameters were searched. The results yielded a cyclic range of 40∼240 mgl-1 Pb(II) and a square wave stripping working range of 0.5∼5.00 mgl-1 Pb(II). The relative standard deviation at 2 and 4 mgl-1 Pb(II) was 0.04% and 0.02% (n = 15), respectively, using the stripping voltammetric conditions. The detection limit was found to be 0.05 mgl-1 with a 40 sec preconcentration time. Analytical interference ions were also evaluated. The proposed method was applied to determine lead ions in various samples.
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Affiliation(s)
- Suw Young Ly
- Biosensor Research Institute in Seoul National University of Technology, Seoul, 139-743 Korea
| | - Hyun Kuy Lee
- Biosensor Research Institute in Seoul National University of Technology, Seoul, 139-743 Korea
| | - Kyu Ju Kwak
- Department of Chemistry, Yonsei University, Seoul, 120-749 Korea
| | - Jun Seok Ko
- Advanced Scientific Experiment Group in DaeJin High School, Korea
| | - Jeong Jae Lee
- Advanced Scientific Experiment Group in DaeJin High School, Korea
| | - Jin Hee Cho
- Advanced Scientific Experiment Group in DaeJin High School, Korea
| | - Ki Hong Kim
- Advanced Scientific Experiment Group in DaeJin High School, Korea
| | - Min Seok Kim
- Advanced Scientific Experiment Group in DaeJin High School, Korea
| | - So Jung Lee
- The Science Group in CheongWon Women’s High School, Korea
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Pilling MJ. Interactions between theory and experiment in the investigation of elementary reactions of importance in combustion. Chem Soc Rev 2008; 37:676-85. [PMID: 18362976 DOI: 10.1039/b715767c] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Elementary reactions are a central component of models of combustion processes. Rate constants and channel yields are needed for those models. Both experimental and theoretical methods used to determine such rate data are discussed in this tutorial review, which is of interest to reaction kinetics and combustion engineering communities. Applications to combustion present particular problems because the conditions required can be well outside the ranges of temperature and pressure accessible to experiment, and the rate data can show a complex dependence on conditions. Under these conditions, the interplay between theory and experiment becomes important.
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Choi N, Pilling MJ, Seakins PW, Wang L. Studies of site selective hydrogen atom abstractions by Cl atoms from isobutane and propane by laser flash photolysis/IR diode laser spectroscopy. Phys Chem Chem Phys 2006; 8:2172-8. [PMID: 16751875 DOI: 10.1039/b516531h] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The kinetics of chlorine atom abstractions from normal and selectively deuterated propane and isobutane have been measured at room temperature and 195 K using a laser flash photolysis system, and following the course of the reaction via IR diode laser absorption measurements of HCl product. In conjunction with the kinetic measurements, a comparison of the HCl signal heights from pairs of measurements on normal and selectively deuterated systems has allowed the determination of the branching fractions of the reactions at the primary, secondary (propane) and tertiary (isobutane) positions. The kinetic data (all in units of cm(3) molecule(-1) s(-1)) for the reaction of Cl atoms with propane ((1.22 +/- 0.02) x10(-10), 195 K; (1.22 +/- 0.03) x10(-10) 298 K) and isobutane ((1.52 +/- 0.02) x10(-10), 195 K; (1.25 +/- 0.04) x10(-10), 298 K) are generally in good agreement with literature data. No data are available for comparison with our measurements for the reactions of Cl atoms with CH(3)CD(2)CH(3) ((1.02 +/- 0.03) x10(-10), 195 K; (1.09 +/- 0.02) x10(-10), 298 K) or (CH(3))(3)CD ((1.32 +/- 0.03) x10(-10), 195 K; (1.12 +/- 0.04) x10(-10), 298 K). Rate coefficients at 195 K for the reactions of Cl atoms with ethane ((5.04 +/- 0.08) x10(-11) and n-butane ((2.19 +/- 0.03) x10(-10)) were also measured. The branching fractions for abstraction at the primary position increased with temperature for both propane ((40 +/- 3)% at 195 K to (48 +/- 3)% at 298 K) and isobutane ((49 +/- 4)% at 195 K to (62 +/- 5)% at 298 K). The direct measurements from this study are in good agreement with most calculations based on structure activity relationships.
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Affiliation(s)
- N Choi
- School of Chemistry, University of Leeds, Leeds, LS2 9JT, UK
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Hanoune B, Lemoine B. Frequency stabilization of tunable infrared diode lasers for time-resolved monitoring of transient species. Chem Phys Lett 2005. [DOI: 10.1016/j.cplett.2004.11.048] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Hickson KM, Keyser LF. Kinetics of the Cl(2PJ) + C2H6 Reaction between 177 and 353 K. J Phys Chem A 2004. [DOI: 10.1021/jp036458f] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Kevin M. Hickson
- Atmospheric Chemistry Element, Earth and Space Sciences Division, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109
| | - Leon F. Keyser
- Atmospheric Chemistry Element, Earth and Space Sciences Division, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109
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Bass MJ, Brouard M, Vallance C, Kitsopoulos TN, Samartzis PC, Toomes RL. The dynamics of the Cl+C2H6→HCl(v′,j′)+C2H5 reaction at 0.24 eV: Is ethyl a spectator? J Chem Phys 2003. [DOI: 10.1063/1.1606444] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
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Qian HB, Turton D, Seakins PW, Pilling MJ. A laser flash photolysis/IR diode laser absorption study of the reaction of chlorine atoms with selected alkanes. INT J CHEM KINET 2002. [DOI: 10.1002/kin.10025] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Hanoune B, Dusanter S, ElMaimouni L, Devolder P, Lemoine B. Rate constant determinations by laser photolysis/diode laser infrared absorption: examples of HCO+O2→HO2+CO and CH2OH+O2→HCH(O)+HO2 reactions at 294 K. Chem Phys Lett 2001. [DOI: 10.1016/s0009-2614(01)00706-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Taatjes CA, Hershberger JF. Recent progress in infrared absorption techniques for elementary gas-phase reaction kinetics. Annu Rev Phys Chem 2001; 52:41-70. [PMID: 11326058 DOI: 10.1146/annurev.physchem.52.1.41] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Sensitive and precise measurements of rate coefficients, branching fractions, and energy disposal from gas-phase radical reactions provide information about the mechanism of elementary reactions as well as furnish modelers of complicated chemical systems with rate data. This chapter describes the use of time-resolved infrared laser absorption as a tool for investigating gas-phase radical reactions, emphasizing the exploitation of the particular advantages of the technique. The reaction of Cl atoms with HD illustrates the complementarity of thermal kinetic measurements with molecular beam data. Measurements of second-order reactions, such as the self-reactions of SiH3 and C3H3 radicals, and determinations of product branching fractions in reactions such as CN + O2 rely on the wide applicability of infrared absorption and on the straightforward relationship of absorption to absolute concentration. Finally, investigations of product vibrational distributions, as in the CN + H2 reaction, provide additional insight into the details of reaction mechanisms.
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Affiliation(s)
- C A Taatjes
- Combustion Research Facility, Mail Stop 9055, Sandia National Laboratories, Livermore, California 94551-0969, USA.
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