Search Results - "Yeung, Leo W. Y"

Worldwide Distribution of Novel Perfluoroether Carboxylic and Sulfonic Acids in Surface Water by Pan, Yitao, Zhang, Hongxia, Cui, Qianqian, Sheng, Nan, Yeung, Leo W. Y, Sun, Yan, Guo, Yong, Dai, Jiayin

“…Driven by increasingly stringent restrictions on long-chain per- and polyfluoroalkyl substances (PFASs), novel fluorinated compounds have emerged on the…”
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Characterization of the Chemical Contents of Fluorinated and Fluorine-Free Firefighting Foams Using a Novel Workflow Combining Nontarget Screening and Total Fluorine Analysis by Dubocq, Florian, Wang, Thanh, Yeung, Leo W. Y, Sjöberg, Viktor, Kärrman, Anna

“…Aqueous film-forming foams (AFFFs) are widely used to extinguish liquid fires due to their film-forming properties. AFFF formulation historically contains per-…”
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Ultra-Short-Chain Perfluoroalkyl Acids Including Trifluoromethane Sulfonic Acid in Water Connected to Known and Suspected Point Sources in Sweden by Björnsdotter, Maria K, Yeung, Leo W. Y, Kärrman, Anna, Jogsten, Ingrid Ericson

“…Data presenting the environmental occurrence of ultra-short-chain perfluoroalkyl acids (PFAAs) are scarce and little is known about the potential sources. In…”
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Novel Chlorinated Polyfluorinated Ether Sulfonates and Legacy Per-/Polyfluoroalkyl Substances: Placental Transfer and Relationship with Serum Albumin and Glomerular Filtration Rate by Pan, Yitao, Zhu, Yingshuang, Zheng, Tongzhang, Cui, Qianqian, Buka, Stephen L, Zhang, Bin, Guo, Yong, Xia, Wei, Yeung, Leo W. Y, Li, Yuanyuan, Zhou, Aifen, Qiu, Lin, Liu, Hongxiu, Jiang, Minmin, Wu, Chuansha, Xu, Shunqing, Dai, Jiayin

“…Per- and polyfluoroalkyl substances (PFASs) may cross the placental barrier and lead to fetal exposure. However, little is known about the factors that…”
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Trophic Magnification of Poly- and Perfluorinated Compounds in a Subtropical Food Web by Loi, Eva I. H, Yeung, Leo W. Y, Taniyasu, Sachi, Lam, Paul K. S, Kannan, Kurunthachalam, Yamashita, Nobuyoshi

“…Perfluorinated compounds (PFCs) are known to biomagnify in temperate and Arctic food webs, but little is known about their behavior in subtropical systems. The…”
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Levels and Seasonal Trends of C1–C4 Perfluoroalkyl Acids and the Discovery of Trifluoromethane Sulfonic Acid in Surface Snow in the Arctic by Björnsdotter, Maria K, Hartz, William F, Kallenborn, Roland, Ericson Jogsten, Ingrid, Humby, Jack D, Kärrman, Anna, Yeung, Leo W. Y

“…C1–C4 perfluoroalkyl acids (PFAAs) are highly persistent chemicals that have been found in the environment. To date, much uncertainty still exists about their…”
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Perfluorinated Compounds in Tap Water from China and Several Other Countries by Mak, Yim Ling, Taniyasu, Sachi, Yeung, Leo W. Y, Lu, Guohui, Jin, Ling, Yang, Yongliang, Lam, Paul K. S, Kannan, Kurunthachalam, Yamashita, Nobuyoshi

“…The recent development of a sensitive and accurate analytical method for the analysis of 20 perfluorinated compounds (PFCs), including several short-chain…”
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Point source characterization of per- and polyfluoroalkyl substances (PFASs) and extractable organofluorine (EOF) in freshwater and aquatic invertebrates by Koch, Alina, Kärrman, Anna, Yeung, Leo W Y, Jonsson, Micael, Ahrens, Lutz, Wang, Thanh

“…Major point sources of per- and polyfluoroalkyl substances (PFASs) cause ubiquitous spread of PFASs in the environment. In this study, surface water and…”
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Partitioning Behavior of Per- and Polyfluoroalkyl Compounds between Pore Water and Sediment in Two Sediment Cores from Tokyo Bay, Japan by Ahrens, Lutz, Yamashita, Nobuyoshi, Yeung, Leo W. Y, Taniyasu, Sachi, Horii, Yuichi, Lam, Paul K. S, Ebinghaus, Ralf

“…The partitioning behavior of per- and polyfluoroalkyl compounds (PFCs) between pore water and sediment in two sediment cores collected from Tokyo Bay, Japan,…”
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Distribution of polyfluoroalkyl compounds in water, suspended particulate matter and sediment from Tokyo Bay, Japan by Ahrens, Lutz, Taniyasu, Sachi, Yeung, Leo W.Y., Yamashita, Nobuyoshi, Lam, Paul K.S., Ebinghaus, Ralf

“…This study examined the environmental behaviour and fate of polyfluoroalkyl compounds (PFCs) found in water, suspended particulate matter (SPM) and sediment…”
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Part I. A Temporal Study of PFCAs and Their Precursors in Human Plasma from Two German Cities 1982–2009 by Yeung, Leo W. Y, Robinson, Shona J, Koschorreck, Jan, Mabury, Scott A

“…A total of 420 human plasma samples from two cities (Halle and Münster, Germany), collected between 1982 and 2009, were analyzed for a suite of PFCAs (C6–C12)…”
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Detections of Commercial Fluorosurfactants in Hong Kong Marine Environment and Human Blood: A Pilot Study by Loi, Eva I. H, Yeung, Leo W. Y, Mabury, Scott A, Lam, Paul K. S

“…Previously, much of the perfluoroalkyl and polyfluoroalkyl substance (PFAS) research has focused on perfluoroalkyl carboxylates (PFCAs) or perfluoroalkane…”
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Part II. A Temporal Study of PFOS and Its Precursors in Human Plasma from Two German Cities in 1982–2009 by Yeung, Leo W. Y, Robinson, Shona J, Koschorreck, Jan, Mabury, Scott A

“…A total of 420 human plasma from two cities (Halle and Münster, Germany) collected between 1982 and 2009, were analyzed for a suite of PFSAs (C4, C6, C8, C10)…”
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Partitioning of perfluorooctanoate (PFOA), perfluorooctane sulfonate (PFOS) and perfluorooctane sulfonamide (PFOSA) between water and sediment by Ahrens, Lutz, Yeung, Leo W.Y., Taniyasu, Sachi, Lam, Paul K.S., Yamashita, Nobuyoshi

“…► The partitioning of PFOA, PFOS and PFOSA between water and sediment was evaluated. ► The log K OC was 4.1 cm 3 g −1 for PFOSA, 3.7 cm 3 g −1 for PFOS and 2.4…”
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Perfluorinated Acid Isomer Profiling in Water and Quantitative Assessment of Manufacturing Source by Benskin, Jonathan P, Yeung, Leo W. Y, Yamashita, Nobuyoshi, Taniyasu, Sachi, Lam, Paul K. S, Martin, Jonathan W

“…A method for isomer profiling of perfluorinated compounds (PFCs) in water was developed and applied to quantitatively assess the contributions from…”
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Bioconcentration of Aqueous Film-Forming Foam (AFFF) in Juvenile Rainbow Trout (Oncorhyncus mykiss) by Yeung, Leo W. Y, Mabury, Scott A

“…This work investigated the bioconcentration of PFASs in juvenile rainbow trout by exposing the fish in separate tanks under flow-through conditions to water…”
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Perfluorooctanesulfonate and Related Fluorochemicals in Human Blood Samples from China by Yeung, Leo W. Y, So, M. K, Jiang, Guibin, Taniyasu, S, Yamashita, N, Song, Maoyong, Wu, Yongning, Li, Jingguang, Giesy, J. P, Guruge, K. S, Lam, Paul K. S

“…Perfluorooctanesulfonylfluoride (POSF)-based compounds have been manufactured and used in a variety of industrial applications. These compounds degrade to…”
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Removal of antibiotics from wastewater by sewage treatment facilities in Hong Kong and Shenzhen, China by Gulkowska, A., Leung, H.W., So, M.K., Taniyasu, S., Yamashita, N., Yeung, Leo W.Y., Richardson, Bruce J., Lei, A.P., Giesy, J.P., Lam, Paul K.S.

“…Concentrations of nine antibiotics [erythromycin-H 2O (ERY-H 2O); trimethoprim (TMP); tetracycline (TET); norfloxacin (NOR); penicillin G (PEN G); penicillin V…”
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Perfluorinated Compounds and Total and Extractable Organic Fluorine in Human Blood Samples from China by Yeung, Leo W. Y, Miyake, Yuichi, Taniyasu, Sachi, Wang, Yuan, Yu, Hongxia, So, M. K, Jiang, Guibin, Wu, Yongning, Li, Jingguang, Giesy, John P, Yamashita, Nobuyoshi, Lam, Paul K. S

“…An improved extraction (ion pairing) and cleanup (ENVI-carb and solid phase extraction) method was developed for analysis of perfluorinated compounds (PFCs) in…”
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Flux of Perfluorinated Chemicals through Wet Deposition in Japan, the United States, And Several Other Countries by Kwok, Karen Y, Taniyasu, Sachi, Yeung, Leo W. Y, Murphy, Margaret B, Lam, Paul K. S, Horii, Yuichi, Kannan, Kurunthachalam, Petrick, Gert, Sinha, Ravindra K, Yamashita, Nobuyoshi

“…The widespread distribution of perfluorinated chemicals (PFCs) in different environmental matrices has prompted concern about the sources, fate, and transport…”
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