Zobrazeno 1 - 10 of 21 pro vyhledávání: '"S. Kusum Perera"'
1
Receptor binding assay for the detection of paralytic shellfish poisoning toxins: comparison to the mouse bioassay and applicability under regulatory use
Autor: S. Kusum Perera, Gregg W. Langlois, Raphael M. Kudela, Shiyamalie R. Ruberu, Clive Kittredge, Melisa Masuda
Publikováno v: Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, vol 35, iss 1
Ruberu, SR; Langlois, GW; Masuda, M; Kittredge, C; Perera, SK; & Kudela, RM. (2018). Receptor binding assay for the detection of paralytic shellfish poisoning toxins: comparison to the mouse bioassay and applicability under regulatory use. FOOD ADDITIVES AND CONTAMINANTS PART A-CHEMISTRY ANALYSIS CONTROL EXPOSURE & RISK ASSESSMENT, 35(1), 144-158. doi: 10.1080/19440049.2017.1369584. UC Santa Cruz: Retrieved from: http://www.escholarship.org/uc/item/091057bg
The receptor-binding assay (RBA) method for the detection of paralytic shellfish poisoning (PSP) toxins was evaluated for its overall performance in comparison with the mouse bioassay (MBA). An initial study to evaluate the effects of filtering shell
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2cfb9613acd4d12c2f672124ecef7f42
https://pubmed.ncbi.nlm.nih.gov/28820049
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2
Evaluation of variability and quality control procedures for a receptor-binding assay for paralytic shellfish poisoning toxins
Autor: Shiyamalie R. Ruberu, Gregg W. Langlois, M. Masuda, S. Kusum Perera
Publikováno v: Food Additives & Contaminants: Part A. 29:1770-1779
The receptor-binding assay (RBA) method for determining saxatoxin (STX) and its numerous analogues, which cause paralytic shellfish poisoning (PSP) in humans, was evaluated in a single laboratory study. Each step of the assay preparation procedure in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5432aca2d50b2e69be817403dcf61855
https://doi.org/10.1080/19440049.2012.712063
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3
Identification of Unknowns in Atmospheric Pressure Ionization Mass Spectrometry Using a Mass to Structure Search Engine
Autor: William M. Draper, Wenta Liao, S. Kusum Perera
Publikováno v: Analytical Chemistry. 80:7765-7777
This study evaluates a new model for identifying unknown compounds in atmospheric pressure ionization mass spectrometry based on a mass-to-structure (MTS) paradigm. In this method, rudimentary ESI spectrum interpretation is required to recognize key
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::89364d78cf4b93efdfab7f1d0111010e
https://doi.org/10.1021/ac801166z
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4
OCCURRENCE AND DISTRIBUTION OF 210Pb AND 210Po IN SELECTED CALIFORNIA GROUNDWATER WELLS
Autor: S. Kusum Perera, Yun-Gang Liu, Shiyamalie R. Ruberu
Publikováno v: Health Physics. 92:432-441
Groundwater wells from across the State of California were sampled and analyzed for 210 Pb and 210 Po. The separation method involved Fe(OH) 3 precipitation from a 5-L groundwater sample followed by electrodeposition of 210 Po on a nickel disk. The r
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c2abd5f0acaee54ccfb57caa51878661
https://doi.org/10.1097/01.hp.0000254883.26386.9b
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5
Receptor Binding Assay for Paralytic Shellfish Poisoning Toxins: Optimization and Interlaboratory Comparison
Autor: Shiyamalie R. Ruberu, Carolyn T. Wong, Gregory J. Doucette, S Kusum Perera, Christine L. Powell, Yun-Gang Liu, Gregg W. Langlois
Publikováno v: Journal of AOAC INTERNATIONAL. 86:737-745
A receptor binding assay (RBA) for detection of paralytic shellfish poisoning (PSP) toxins was formatted for use in a high throughput detection system using microplate scintillation counting. The RBA technology was transferred from the National Ocean
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::66e9c07e51ca5e0a3b7866a1198200bd
https://doi.org/10.1093/jaoac/86.4.737
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6
Using ion chromatography to detect perchlorate
Autor: Frank J. Baumann, William R. Steeber, Howard S. Okamoto, S. Kusum Perera, Dharmendra K. Rishi
Publikováno v: Journal - American Water Works Association. 91:73-84
This article describes an ion chromatography method to analyse trace concentrations of perchlorate in drinking water. Perchlorate was separated from anions commonly found in groundwater and surface water by elution through an AS5 anion exchange colum
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c36a7a7988b9d92c09923887cbf40dfc
https://doi.org/10.1002/j.1551-8833.1999.tb08717.x
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7
Isotopic uranium activity ratios in California groundwater
Autor: Frank J. Baumann, Alexis M. Milea, S. Kusum Perera, Howard S. Okamoto, Carolyn T. Wong
Publikováno v: Journal - American Water Works Association. 91:171-185
Uranium, a kidney toxicant and a radioactive material, is present at elevated concentrations in groundwater in some states. In 1991 the US Environmental Protection Agency proposed a maximum contaminant level (MCL) for uranium in drinking water of 20
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::815e02e8845f87098ca5d1611b30ed97
https://doi.org/10.1002/j.1551-8833.1999.tb08623.x
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8
Detection limits of organic contaminants in drinking water
Autor: Joginder S. Dhaliwal, John W. Remoy, William M. Draper, Frank J. Baumann, S. Kusum Perera, Jagdev S. Dhoot
Publikováno v: Journal - American Water Works Association. 90:82-90
This article examines some of the experimental variables that can contribute to the observed variability in laboratory performance. The examples provided suggest that method detection limits (MDLs) would be more uniform among laboratories if (1) unif
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b0b09e84253f62a5b3994806f87e3bcc
https://doi.org/10.1002/j.1551-8833.1998.tb08456.x
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9
Determination of Diesel Fuel and Motor Oil in Water and Wastes by a Modified Diesel-Range Organics Total Petroleum Hydrocarbon Method
Autor: William M. Draper, Frank J. Baumann, S Kusum Perera, Joginder S. Dhaliwal
Publikováno v: Journal of AOAC INTERNATIONAL. 79:508-519
The American Petroleum Institute method for determination of diesel-range total petroleum hydrocarbon (TPH) by gas-liquid chromatography with flame ionization detection was modified to allow simultaneous determination of motor oil. Motor oil elutes a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c97c1ad01e8f607e73b7d6d7989e05d7
https://doi.org/10.1093/jaoac/79.2.508
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10
Electrolyte-induced ionization suppression and microcystin toxins: ammonium formate suppresses sodium replacement ions and enhances protiated and ammoniated ions for improved specificity in quantitative LC-MS-MS
Autor: William M. Draper, Dadong Xu, S. Kusum Perera
Publikováno v: Analytical chemistry. 81(10)
This study examines the effects of electrolytes on microcystin (MC) electrospray ionization (ESI) mass spectrometry and quantitative LC-MS-MS. Sodium replacement ions (SRI) are prominent in MC ESI spectra in protic solvents such as HPLC grade methano
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ca244ef859bf61573666a284bda1bc9
https://pubmed.ncbi.nlm.nih.gov/19374427
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