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Heldur Hakk

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TOP 3
Heldur Hakk; Janice K Huwe; David T Szabo; Janet Diliberto; Linda S Birnbaum
Novel and distinct metabolites identified following a single oral dose of α- or γ-hexabromocyclododecane in mice.
Suman L Shrestha; David J Smith; Francis X M Casey; Heldur Hakk; G Padmanabhan
Fate and transformation of an estrogen conjugate and its metabolites in agricultural soils.
A C Guy; F X M Casey; T M Desutter; R Kolka; Heldur Hakk
Water quality, sediment, and soil characteristics near Fargo-Moorhead urban areas as affected by major flooding of the Red River of the North.

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2012: Heldur Hakk; Janice K Huwe; David T Szabo; Janet Diliberto; Linda S Birnbaum
Novel and distinct metabolites identified following a single oral dose of α- or γ-hexabromocyclododecane in mice.
Environmental science & technology 2012;46(24):13494-503.
2012: Suman L Shrestha; David J Smith; Francis X M Casey; Heldur Hakk; G Padmanabhan
Fate and transformation of an estrogen conjugate and its metabolites in agricultural soils.
Environmental science & technology 2012;46(20):11047-53.
2012: A C Guy; F X M Casey; T M Desutter; R Kolka; Heldur Hakk
Water quality, sediment, and soil characteristics near Fargo-Moorhead urban areas as affected by major flooding of the Red River of the North.
Journal of environmental quality 2012;41(2):554-63.
2011: Heldur Hakk; Lawrence Sikora
Dissipation of 17β-estradiol in composted poultry litter.
Journal of environmental quality 2011;40(5):1560-6.
2011: Mary C Schuh; Karl G Richards; Francis X M Casey; Thomas M DeSutter; Heldur Hakk; Eakalak Khan; Peter G Oduor
Effects of field-manure applications on stratified 17β-estradiol concentrations.
Journal of hazardous materials 2011;192(2):748-52.
2011: David Taylor Szabo; Janet J Diliberto; Heldur Hakk; Janice K Huwe; Linda S Birnbaum
Toxicokinetics of the flame retardant hexabromocyclododecane alpha: effect of dose, timing, route, repeated exposure, and metabolism.
Toxicological sciences : an official journal of the Society of Toxicology 2011;121(2):234-44.
2011: Mary C Schuh; Francis X M Casey; Heldur Hakk; Thomas M Desutter; Karl G Richards; Eakalak Khan; Peter Oduor
An on-farm survey of spatial and temporal stratifications of 17β-estradiol concentrations.
Chemosphere 2011;82(11):1683-9.
2011: K K Zitnick; N W Shappell; Heldur Hakk; T M DeSutter; Eakalak Khan; Francis X M Casey
Effects of liquid swine manure on dissipation of 17β-estradiol in soil.
Journal of hazardous materials 2011;186(2-3):1111-7.
2010: David T Szabo; Janet J Diliberto; Heldur Hakk; Janice K Huwe; Linda S Birnbaum
Toxicokinetics of the flame retardant hexabromocyclododecane gamma: effect of dose, timing, route, repeated exposure, and metabolism.
Toxicological sciences : an official journal of the Society of Toxicology 2010;117(2):282-93.
2010: Heldur Hakk; Janice K Huwe; Kris Murphy; Drew Rutherford
Metabolism of 2,2',4,4'-tetrabromodiphenyl ether (BDE-47) in chickens.
Journal of agricultural and food chemistry 2010;58(15):8757-62.
2010: Weilin L Shelver; Heldur Hakk; Gerald L Larsen; Thomas M DeSutter; Francis X M Casey
Development of an ultra-high-pressure liquid chromatography-tandem mass spectrometry multi-residue sulfonamide method and its application to water, manure slurry, and soils from swine rearing facilities.
Journal of chromatography. A 2010;1217(8):1273-82.
2009: Heldur Hakk; Janet J Diliberto; Linda S Birnbaum
The effect of dose on 2,3,7,8-TCDD tissue distribution, metabolism and elimination in CYP1A2 (-/-) knockout and C57BL/6N parental strains of mice.
Toxicology and applied pharmacology 2009;241(1):119-26.
2009: Michael L Thompson; Francis X M Casey; Eakalak Khan; Heldur Hakk; Gerald L Larsen; Thomas Desutter
Occurrence and pathways of manure-borne 17beta-estradiol in vadose zone water.
Chemosphere 2009;76(4):472-9.
2008: Janice K Huwe; Heldur Hakk; Linda S Birnbaum
Tissue distribution of polybrominated diphenyl ethers in male rats and implications for biomonitoring.
Environmental science & technology 2008;42(18):7018-24.
2008: CE Oliver; Barbara K Magelky; Marc L Bauer; Fu-Chih Cheng; Joel S Caton; Heldur Hakk; Gerald L Larsen; RC Anderson; DJ Smith
Fate of chlorate present in cattle wastes and its impact on Salmonella Typhimurium and Escherichia coli O157:H7.
Journal of agricultural and food chemistry 2008;56(15):6573-83.
2008: Janice K Huwe; Heldur Hakk; David J Smith; Janet J Diliberto; Vicki Richardson; Heather M Stapleton; Linda S Birnbaum
Comparative absorption and bioaccumulation of polybrominated diphenyl ethers following ingestion via dust and oil in male rats.
Environmental science & technology 2008;42(7):2694-700.
2008: Nancy W Shappell; Melanie A Vrabel; Peter J Madsen; Grant Harrington; Lloyd O Billey; Heldur Hakk; Gerald L Larsen; Evan S Beach; Colin P Horwitz; Kyoung Ro; Patrick G Hunt; Terrence J Collins
Destruction of estrogens using Fe-TAML/peroxide catalysis.
Environmental science & technology 2008;42(4):1296-300.
2007: Zhaosheng Fan; Francis X M Casey; Heldur Hakk; Gerald L Larsen
Discerning and modeling the fate and transport of testosterone in undisturbed soil.
Journal of environmental quality 2007;36(3):864-73.
2007: Heldur Hakk; David J Smith; Nancy W Shappell
Tissue residues, metabolism, and excretion of radiolabeled sodium chlorate (Na[36Cl]O3) in rats.
Journal of agricultural and food chemistry 2007;55(5):2034-42.
2007: Zhaosheng Fan; Francis X M Casey; Heldur Hakk; Gerald L Larsen
Persistence and fate of 17beta-estradiol and testosterone in agricultural soils.
Chemosphere 2007;67(5):886-95.
2007: Janice K Huwe; Heldur Hakk; Margaret Lorentzsen
Bioavailability and mass balance studies of a commercial pentabromodiphenyl ether mixture in male Sprague-Dawley rats.
Chemosphere 2007;66(2):259-66.
2006: Zhaosheng Fan; Francis X M Casey; Gerald L Larsen; Heldur Hakk
Fate and transport of 1278-TCDD, 1378-TCDD, and 1478-TCDD in soil-water systems.
The Science of the total environment 2006;371(1-3):323-33.
2006: David J Smith; Heldur Hakk; Gerald L Larsen
Tissue distribution, elimination, and metabolism of sodium [36Cl]perchlorate in lactating goats.
Journal of agricultural and food chemistry 2006;54(23):8829-35.
2006: Daniele F Staskal; Heldur Hakk; Daniel Bauer; Janet J Diliberto; Linda S Birnbaum
Toxicokinetics of polybrominated diphenyl ether congeners 47, 99, 100, and 153 in mice.
Toxicological sciences : an official journal of the Society of Toxicology 2006;94(1):28-37.
2006: Brian K Gullett; Abderrahmane Touati; Janice K Huwe; Heldur Hakk
PCDD and PCDF emissions from simulated sugarcane field burning.
Environmental science & technology 2006;40(20):6228-34.
2006: Mark T Roberge; Heldur Hakk; Gerald Larsen
Cytosolic and localized inhibition of phosphodiesterase by atrazine in swine tissue homogenates.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association 2006;44(6):885-90.
2006: Heldur Hakk; Janice K Huwe; Malcolm J Low; D Rutherford; Gerald Larsen
Tissue disposition, excretion and metabolism of 2,2',4,4',6-pentabromodiphenyl ether (BDE-100) in male Sprague-Dawley rats.
Xenobiotica; the fate of foreign compounds in biological systems 2006;36(1):79-94.
2005: Francis X M Casey; Jirí Simunek; Jaehoon Lee; Gerald L Larsen; Heldur Hakk
Sorption, mobility, and transformation of estrogenic hormones in natural soil.
Journal of environmental quality 2005;34(4):1372-9.
2005: Weilin L Shelver; Young-Soo Keum; Hee-Joo Kim; Drew Rutherford; Heldur Hakk; Ake Bergman; Qing X Li
Hapten syntheses and antibody generation for the development of a polybrominated flame retardant ELISA.
Journal of agricultural and food chemistry 2005;53(10):3840-7.
2005: Heldur Hakk; Patricia Millner; Gerald Larsen
Decrease in water-soluble 17beta-Estradiol and testosterone in composted poultry manure with time.
Journal of environmental quality 2005;34(3):943-50.
2004: Mark Roberge; Heldur Hakk; Gerald Larsen
Atrazine is a competitive inhibitor of phosphodiesterase but does not affect the estrogen receptor.
Toxicology letters 2004;154(1-2):61-8.
2004: Heldur Hakk; Gerald Larsen; Joseph Bowers
Metabolism, tissue disposition, and excretion of 1,2-bis(2,4,6-tribromophenoxy)ethane (BTBPE) in male Sprague-Dawley rats.
Chemosphere 2004;54(10):1367-74.
2004: Francis X M Casey; Heldur Hakk; Jirí Simůnek; Gerald L Larsen
Fate and transport of testosterone in agricultural soils.
Environmental science & technology 2004;38(3):790-8.
2003: Heldur Hakk; Robert J Letcher
Metabolism in the toxicokinetics and fate of brominated flame retardants--a review.
Environment international 2003;29(6):801-28.
2003: Anna Morck; Heldur Hakk; Ulrika Orn; Eva Klasson-Wehler
Decabromodiphenyl ether in the rat: absorption, distribution, metabolism, and excretion.
Drug metabolism and disposition: the biological fate of chemicals 2003;31(7):900-7.
2003: Francis X M Casey; Gerald L Larsen; Heldur Hakk; Jiri Simůnek
Fate and transport of 17beta-estradiol in soil-water systems.
Environmental science & technology 2003;37(11):2400-9.
2002: Heldur Hakk; Gerald Larsen; Ake Bergman; Ulrika Orn
Binding of brominated diphenyl ethers to male rat carrier proteins.
Xenobiotica; the fate of foreign compounds in biological systems 2002;32(12):1079-91.
2002: Heldur Hakk; Gerald Larsen; Eva Klasson-Wehler
Tissue disposition, excretion and metabolism of 2,2',4,4',5-pentabromodiphenyl ether (BDE-99) in the male Sprague-Dawley rat.
Xenobiotica; the fate of foreign compounds in biological systems 2002;32(5):369-82.
2001: Heldur Hakk; Gerald L Larsen; VJ Feil
Metabolism of [14C]1,2,7,8-tetrachlorodibenzo-p-dioxin in a ruminating Holstein calf.
Xenobiotica; the fate of foreign compounds in biological systems 2001;31(7):443-55.
2001: Heldur Hakk; Gerald Larsen; VJ Feil
Tissue distribution, excretion, and metabolism of 1,2,7,8-tetrachlorodibenzo-p-dioxin in the rat.
Chemosphere 2001;42(8):975-83.
2000: Heldur Hakk; Gerald Larsen; Ake Bergman; Ulrika Orn
Metabolism, excretion and distribution of the flame retardant tetrabromobisphenol-A in conventional and bile-duct cannulated rats.
Xenobiotica; the fate of foreign compounds in biological systems 2000;30(9):881-90.