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Optimization of Estrogen Analyses and Quantification of Environmental Samples from Pennsylvania Water Systems

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자료유형	E-Book
개인저자	Woodward, Emily E.
단체저자명	The Pennsylvania State University. Soil Science and Biogeochemistry.
서명/저자사항	Optimization of Estrogen Analyses and Quantification of Environmental Samples from Pennsylvania Water Systems.
발행사항	[S.l.] : The Pennsylvania State University., 2016
발행사항	Ann Arbor : ProQuest Dissertations & Theses, 2016
형태사항	188 p.
소장본 주기	School code: 0176.
ISBN	9780438136113
일반주기	Source: Dissertation Abstracts International, Volume: 79-12(E), Section: B.
요약	The increase in the presence of pharmaceuticals and endocrine disrupting hormones (EDCs) in the environment has had a direct impact on aquatic organisms in the environment. Estrogen hormones, one class of EDCs, have been quantified in natural so
요약	The goals of this dissertation were to (1) determine an optimal estrogen extraction solvent that yielded the largest E1, E2, and EE2 recovery percentages, (2) optimize separation of ten estrogen and estrogenic compounds using different stationar
요약	For the first objective, four organic solvents and three solid phase extraction (SPE) loading ratios were evaluated in order to determine an optimal method to extract estrogens from an agricultural soil (1.09 %TOC). Solvents used to extract the
요약	For the second objective, standard solutions containing ten estrogenic compounds were separated using six different stationary phase and mobile phase combinations. Three stationary phases were evaluated, C18, biphenyl, and RP-Amide, and two mobi
요약	For the third objective, results indicated that sorption varied between E1, E2, and EE2 and between the three soils studied. Partition coefficient values, Kd and Kf, increased with an increase in soil organic carbon concentration and vice versa,
요약	Finally, E1, E2, and EE2 baseline data was established for the Penn State Living Filter wastewater irrigation site, and the Sinnemahoning Creek Watershed. At the Living Filter, all three compounds were detected in groundwater well samples. Howev
일반주제명	Soil sciences. Chemistry. Environmental science.
언어	영어
기본자료 저록	Dissertation Abstracts International79-12B(E). Dissertation Abstract International
대출바로가기	http://www.riss.kr/pdu/ddodLink.do?id=T15000743