Výsledky vyhledávání - "Barbara J. Porter"

Separation of 26 toxaphene congeners and measurement in air particulate matter SRMs compared to technical toxaphene SRM 3067

Autor: Stacy S. Vander Pol, Michele M. Schantz, Barbara J. Porter, John R. Kucklick, Stefan D. Leigh

Publikováno v: Analytical and Bioanalytical Chemistry. 397:483-492

Toxaphene is a complex technical mixture that has been found ubiquitously in the environment but has caused issues for analysis, especially of individual congeners. This paper reports the elution order of 26 major toxaphene congeners on three gas chr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fc6b5c7acf9a0c26df29a44b29cdc25d
https://doi.org/10.1007/s00216-010-3512-3

Zobrazit plný text záznamu

Certification of standard reference materials containing bitter orange

Autor: Barbara J. Porter, James H. Yen, Mary Bedner, A. Nguyen Pho, Catherine A. Rimmer, Joseph M. Betz, Karsten Putzbach, Karen E. Murphy, Michele M. Schantz, Stephen A. Wise, Bryant C. Nelson, Katherine E. Sharpless, Laura J. Wood, J. Brown Thomas, R. L. Evans, Mario Román, P. H. Siitonen, Lane C. Sander

Publikováno v: Analytical and Bioanalytical Chemistry. 391:2023-2034

A suite of three dietary supplement standard reference materials (SRMs) containing bitter orange has been developed, and the levels of five alkaloids and caffeine have been measured by multiple analytical methods. Synephrine, octopamine, tyramine, N-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::93b84f96389607e253429372108707e6
https://doi.org/10.1007/s00216-008-2074-0

Zobrazit plný text záznamu

Hexabromocyclododecane in White-Sided Dolphins: Temporal Trend and Stereoisomer Distribution in Tissues

Autor: Rebecca S. Pugh, Paul R. Becker, John R. Kucklick, Michael B. Ellisor, Amanda J. Moors, Aaron M. Peck, Barbara J. Porter

Publikováno v: Environmental Science & Technology. 42:2650-2655

Hexabromocyclododecane (HBCD) is a brominated flame retardant used primarily in expanded polystyrene foams and other styrene resins. Samples of blubber (n = 57) and liver (n = 16) from Atlantic white-sided dolphins, Lagenorhynchus acutus, that strand

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e8e3c6fda823726c180239e263e4ef7f
https://doi.org/10.1021/es072052v

Zobrazit plný text záznamu

Design and Applications of the National Institute of Standards and Technology's (NIST's) Environmental Specimen Banking Programs

Autor: Barbara J. Porter, Paul R. Becker, Michael B. Ellisor, Stephen A. Wise, Amanda J. Moors, Rebecca S. Pugh

Publikováno v: Cell Preservation Technology. 6:59-72

The National Institute of Standards and Technology (NIST) environmental specimen banking system consists of two environmental specimen banks (ESBs): the National Biomonitoring Specimen Bank established in 1979, and the Marine Environmental Specimen B

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6fd5b8695cdebda76d240fe9849917fa
https://doi.org/10.1089/cpt.2007.0517

Zobrazit plný text záznamu

New Developments in Standard Reference Materials (SRMs) for Environmental Forensics

Autor: Stephen A. Wise, Michele M. Schantz, Lane C. Sander, Barbara J. Porter, Dianne L. Poster, John R. Kucklick

Publikováno v: Environmental Forensics. 8:181-191

For nearly three decades the National Institute of Standards and Technology (Gaithersburg, MD) has been involved in the development of Standard Reference Materials (SRMs) for the determination of organic contaminants in environmental matrices. Classe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::27d571066edb1516825cbce64b200689
https://doi.org/10.1080/15275920601180727

Zobrazit plný text záznamu

Persistent organic pollutants in Alaskan ringed seal (Phoca hispida) and walrus (Odobenus rosmarus) blubber

Autor: Paul R. Becker, Margaret M. Krahn, Barbara J. Porter, Stephen A. Wise, Geoffrey S. York, Michele M. Schantz, Todd M. O'Hara, John R. Kucklick

Publikováno v: J. Environ. Monit.. 8:848-854

Since 1987, the Alaska Marine Mammal Tissue Archival Project (AMMTAP) has collected tissues from 18 marine mammal species. Specimens are archived in the National Institute of Standards and Technology's National Biomonitoring Specimen Bank (NIST-NBSB)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::31117eb1bb3c0d85f6a852ec874dad87
https://doi.org/10.1039/b602379g

Zobrazit plný text záznamu

Extraction of Residual Chlorinated Pesticides from Cotton Matrix as Part of a Certification Method for Cotton Reference Material

Autor: Michele M. Schantz, Barbara J. Porter, A. B. Shehata, Kh. El-Nagar

Publikováno v: Polymer-Plastics Technology and Engineering. 44:1257-1267

As a part of developing a certified testing method for residual pesticides analysis in cotton materials using gas chromatography (GC), the target pesticides listed in Oko-tex standards should be isolated from a homogenized cotton matrix. The sample h

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ca70ead656e6a7e07506fda0b7dbd33f
https://doi.org/10.1080/03602550500207782

Zobrazit plný text záznamu

Three new mussel tissue standard reference materials (SRMs) for the determination of organic contaminants

Autor: Maria J. Lopez de Alda, Stephen A. Wise, Barbara J. Porter, Michele M. Schantz, John R. Kucklick, Dianne L. Poster, Rebecca S. Pugh

Publikováno v: Analytical and Bioanalytical Chemistry. 378:1213-1231

Three new mussel tissue standard reference materials (SRMs) have been developed by the National Institute of Standards and Technology (NIST) for the determination of the concentrations of organic contaminants. The most recently prepared material, SRM

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f49f952278806bffbe9ae80b76bbfc89
https://doi.org/10.1007/s00216-003-2401-4

Zobrazit plný text záznamu

Vyhledávací nástroje:

Upřesnit hledání