Výsledky vyhledávání - "Rebecca L. McMahen"

Akademický článek

Linking high resolution mass spectrometry data with exposure and toxicity forecasts to advance high-throughput environmental monitoring

Autor: Julia E. Rager, Mark J. Strynar, Shuang Liang, Rebecca L. McMahen, Ann M. Richard, Christopher M. Grulke, John F. Wambaugh, Kristin K. Isaacs, Richard Judson, Antony J. Williams, Jon R. Sobus

Publikováno v: Environment International, Vol 88, Iss , Pp 269-280 (2016)

There is a growing need in the field of exposure science for monitoring methods that rapidly screen environmental media for suspect contaminants. Measurement and analysis platforms, based on high resolution mass spectrometry (HRMS), now exist to meet

Externí odkaz: https://doaj.org/article/625d2ddb96514c89b260160e3a91d4a3

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Identification of Novel Perfluoroalkyl Ether Carboxylic Acids (PFECAs) and Sulfonic Acids (PFESAs) in Natural Waters Using Accurate Mass Time-of-Flight Mass Spectrometry (TOFMS)

Autor: Rebecca L. McMahen, Erik Andersen, Sonia Dagnino, Carol H. Ball, Shuang Liang, Michael E. Thurman, Andrew B. Lindstrom, Larry McMillan, Imma Ferrer, Mark J. Strynar

Publikováno v: Environmental Science & Technology. 49:11622-11630

Recent scientific scrutiny and concerns over exposure, toxicity, and risk have led to international regulatory efforts resulting in the reduction or elimination of certain perfluorinated compounds from various products and waste streams. Some manufac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f22135b3a72ce67318534963d87b5acd
https://doi.org/10.1021/acs.est.5b01215

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Identification of fipronil metabolites by time-of-flight mass spectrometry for application in a human exposure study

Autor: David W. Herr, Sonia Dagnino, Mark J. Strynar, Rebecca L. McMahen, Danielle L. Freeborn, Virginia C. Moser, Stavros Garantziotis, Erik Andersen, Andrew B. Lindstrom, Larry McMillan

Publikováno v: Environment International, Vol 78, Iss, Pp 16-23 (2015)

Fipronil is a phenylpyrazole insecticide commonly used in residential and agricultural applications. To understand more about the potential risks for human exposure associated with fipronil, urine and serum from dosed Long Evans adult rats (5 and 10

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::032335f75d08b5249aabe121e8988eed

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Comparison of emerging contaminants in receiving waters downstream of a conventional wastewater treatment plant and a forest-water reuse system

Autor: Rebecca L. McMahen, Melanie L. Hedgespeth, Elizabeth Guthrie Nichols, Mark J. Strynar, Andrew D. McEachran, Seth Newton, Damian Shea

Publikováno v: Environmental science and pollution research international. 25(13)

Forest-water reuse (FWR) systems treat municipal, industrial, and agricultural wastewaters via land application to forest soils. Previous studies have shown that both large-scale conventional wastewater treatment plants (WWTPs) and FWR systems do not

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4159863a8f098bd1d61c28f6023037d8
https://pubmed.ncbi.nlm.nih.gov/29460251

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Suspect screening and non-targeted analysis of drinking water using point-of-use filters

Autor: Andrew D. McEachran, Kamel Mansouri, Mark J. Strynar, Antony J. Williams, Rebecca L. McMahen, Seth Newton, Jon R. Sobus

Publikováno v: Environmental pollution (Barking, Essex : 1987). 234

Monitored contaminants in drinking water represent a small portion of the total compounds present, many of which may be relevant to human health. To understand the totality of human exposure to compounds in drinking water, broader monitoring methods

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b61d726e9bbb02df0d47ec2f09590f79
https://pubmed.ncbi.nlm.nih.gov/29182974

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Hydroxy-fipronil is a new urinary biomarker of exposure to fipronil

Autor: Bogdan Barnych, Bruce D. Hammock, Rebecca L. McMahen, Hai M. Nguyen, El-Sayed A. El-Sheikh, Heike Wulff, Debin Wan, Mark J. Strynar, Shirley J. Gee, Natalia Vasylieva

Publikováno v: Vasylieva, N; Barnych, B; Wan, D; El-Sheikh, ESA; Nguyen, HM; Wulff, H; et al.(2017). Hydroxy-fipronil is a new urinary biomarker of exposure to fipronil. Environment International, 103, 91-98. doi: 10.1016/j.envint.2017.03.012. UC Davis: Retrieved from: http://www.escholarship.org/uc/item/29c7529n
Environment International, Vol 103, Iss, Pp 91-98 (2017)

Occupational medical surveillance is highly desirable in manufacturing facilities where exposure to chemicals is significant. The insecticide fipronil is generally considered safe for humans but with increasing use, exposure to fipronil is of concern

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::14ddc8053f0c97cd748f0b71b0855cfc
http://www.escholarship.org/uc/item/29c7529n

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Identification of Biomarkers of Exposure to FTOHs and PAPs in Humans Using a Targeted and Nontargeted Analysis Approach

Autor: Stavros Garantziotis, Thomas F. Webster, Rebecca L. McMahen, Sonia Dagnino, Carol H. Ball, Mark J. Strynar, Christopher Lau, Andrew B. Lindstrom, Michael D. McClean

Publikováno v: Environmental sciencetechnology. 50(18)

Although historic perfluorinated compounds are currently under scrutiny and growing regulatory control in the world, little is known about human exposure to other polyfluorinated compounds presently in use. Fluorotelomer alcohols (FTOHs) and polyfluo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3367130c9936001ffac8f274c105fc17
https://pubmed.ncbi.nlm.nih.gov/27477586

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Comparison of fipronil sources in North Carolina surface water and identification of a novel fipronil transformation product in recycled wastewater

Autor: Eugene DeRose, Mark J. Strynar, Larry McMillan, Rebecca L. McMahen, Andrew B. Lindstrom

Publikováno v: The Science of the total environment.

Fipronil is a phenylpyrazole insecticide that is widely used in residential and agricultural settings to control ants, roaches, termites, and other pests. Fipronil and its transformation products have been found in a variety of environmental matrices

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4aa795f2832815d3c8ddbbc2a9bea53b
https://pubmed.ncbi.nlm.nih.gov/27378152

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Evaluation of the immunomodulatory effects of 2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)-propanoate in C57BL/6 mice

Autor: Qing Hu, Christopher P. Higgins, Sonia Dagnino, Jamie C. DeWitt, Jason N. Franklin, Rebecca L. McMahen, Blake R. Rushing, Mark J. Strynar

Publikováno v: Toxicological Sciences. :kfw251

2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)-propanoate was designed to replace perfluorooctanoic acid (PFOA), which has been mostly phased out of U.S. production due to environmental persistence, detectable human and wildlife serum concentrations, and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e97d16766fe33eb9c57d7d6c5c6d5957
https://doi.org/10.1093/toxsci/kfw251

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Assessment of serum biomarkers in rats after exposure to pesticides of different chemical classes

Autor: Mark J. Strynar, Rebecca L. McMahen, Charles E. Wood, Joan M. Hedge, David W. Herr, Nicholas Stewart, James L. Crooks, Danielle L. Freeborn, Denise K. MacMillan, Virginia C. Moser

Publikováno v: Toxicology and applied pharmacology. 282(2)

There is increasing emphasis on the use of biomarkers of adverse outcomes in safety assessment and translational research. We evaluated serum biomarkers and targeted metabolite profiles after exposure to pesticides (permethrin, deltamethrin, imidaclo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f45ba8d3f36c48121e34bf74740877e
https://pubmed.ncbi.nlm.nih.gov/25497286

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