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United States Department of Agriculture

Agricultural Research Service

Related Topics

Heldur Hakk
Animal Metabolism-Agricultural Chemicals Research
Research Chemist

Phone: (701) 239-1293
Fax: (701) 239-1430
USDA,ARS,BRL
1605 ALBRECHT BLVD N
FARGO, ND, 58102-2765

Projects
CHEMICAL AND BIOLOGICAL RESIDUES IN FOODS
Appropriated (D)
  Accession Number: 421006
METABOLIC FATE OF CHEMICAL AND BIOLOGICAL CONTAMINANTS
Appropriated (D)
  Accession Number: 421009
Partitioning of Drug Residues in Dairy Systems
Interagency Reimbursable Agreement (I)
  Accession Number: 426738

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Complete NMR characterization of zilpaterol - (Abstract Only)
Svendsen, S.A., Hakk, H., Smith, D.J. 2014. Complete NMR characterization of zilpaterol [abstract]. Undergraduate Research in the Molecular Sciences 2014. Moorhead, MN. October 3-4, 2014. Abstract No. 31.
Modeling coupled sorption and transformation of 17ß-estradiol-17-sulfate in soil-water systems - (Peer Reviewed Journal) - (05-Sep-14)
Potential bioactivity and association of 17ß-estradiol with the dissolved and colloidal fractions of manure and soil Reprint Icon - (Peer Reviewed Journal)
Chambers, K.B., Casey, F.X., Hakk, H., Desutter, T.M., Shappell, N.W. 2014. Potential bioactivity and association of 17ß-estradiol with the dissolved and colloidal fractions of manure and soil. Science of the Total Environment. 494/495:58-64.
Sorption and metabolism of 17ß-estradiol-17-sulfate in sterilized soil-water systems - (Peer Reviewed Journal) - (16-Feb-14)
Fate of 17B-estradiol in anaerobic lagoon digesters Reprint Icon - (Peer Reviewed Journal)
Hakk, H., Sikora, L., Casey, F.X., Larsen, G. 2014. Fate of 17B-estradiol in anaerobic lagoon digesters. Journal of Environmental Quality. 43:701-708.
Modeling sorption and degradation of 17B-estradiol-17-sulfate in agricultural soils - (Abstract Only)
Bai, X., Casey, F.X.M., Hakk, H., Shrestha, S.L., Desutter, T.M., Khan, E., Oduor, P.G. 2011. Modeling sorption and degradation of 17B-estradiol-17-sulfate in agricultural soils. American Geophysical Union. American Geophysical Union Annual Meeting, December 5-9, 2011, San Francisco, CA.
Dissipation and transformation of 17B-estradiol-17-sulfate in soil-water systems Reprint Icon - (Peer Reviewed Journal)
Bai, X., Casey, F.X.M., Hakk, H., Desutter, T.M., Oduor, P.G., Khan, E. 2013. Dissipation and transformation of 17B-estradiol-17-sulfate in soil-water systems. Journal of Hazardous Materials. 260:733-739.
Novel and distinct metabolites identified following a single oral dose of alpha- or gamma-hexabromocyclododecane in mice - (Peer Reviewed Journal)
Hakk, H., Szabo, D.T., Huwe, J.K., Diliberto, J.J., Birnbaum, L.S. 2012. Novel and distinct metabolites identified following a single oral dose of alpha- or gamma-hexabromocyclododecane in mice. Environmental Science and Technology. 46:13494-13503.
A radioassay-based approach to investigate fate and transformation of conjugated and free estrogens in an agricultural soil Reprint Icon - (Peer Reviewed Journal)
Shrestha, S.L., Casey, F.X.M., Hakk, H., Padmanabham, G. 2013. A radioassay-based approach to investigate fate and transformation of conjugated and free estrogens in an agricultural soil. Environmental Engineering Science. 30:89-96.
Fate and transformation of an estrogen conjugate and its metabolites in agricultural soils - (Peer Reviewed Journal)
Shrestha, S.L., Casey, F.X.M., Hakk, H., Smith, D.J., Padmanabhan, G. 2012. Fate and transformation of an estrogen conjugate and its metabolites in agricultural soils. Environmental Science and Technology. 46:11047-11053.
Comparative metabolism of [14C]alpha-, beta-, and gamma-hexabromocyclododecane (HBCD) in rats - (Abstract Only)
Hakk, H., Huwe, J.K. 2012. Comparative metabolism of [14C]alpha-, beta-, and gamma-hexabromocyclododecane (HBCD) in rats. 244th American Chemical Society Meeting & Exposition, August 19-23, 2012, Philadelphia, PA. Abstract 26.
Adme Studies of All Three Hexabromocyclododecane (Hbcd) Diastereomers in Rats - (Abstract Only)
Hakk, H., Huwe, J.K. 2012. ADME Studies of all Three Hexabromocyclododecane (HBCD) Diastereomers in Rats. International Workshop on Brominated Flame Retardants. 13th Workshop on Brominated and Other Flame Retardants, June 4-6, 2012, Winnipeg, MB, Canada.
Water quality, sediment, and soil characteristics near Fargo-Moorhead urban areas as affected by major flooding of the Red River of the North Reprint Icon - (Peer Reviewed Journal)
Guy, A.C., DeSutter, T.M., Casey, F.X.M., Kolka, R., Hakk, H. 2012. 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. 41:554-563.
Effects of field-manure applications on stratified 17B-estradiol concentrations Reprint Icon - (Peer Reviewed Journal)
Schuh, M.C., Casey, F.X.M., Hakk, H., DeSutter, T.M., Richards, K.G., Khan, E., Odour, P.G. 2011. Effects of field-manure applications on stratified 17B-estradiol concentrations. Journal of Hazardous Materials. 192:748-752.
Dissipation of 17B-estradiol in composted poultry litter - (Peer Reviewed Journal)
Hakk, H., Sikora, L. 2011. Dissipation of 17B-estradiol in composted poultry litter. Journal of Environmental Quality. 40:1560-1566.
Toxicokinetics of the flame retardant hexabromocyclododecane alpha: effect of dose, timing, route, repeated exposure and metabolism - (Peer Reviewed Journal)
Szabo, D.T., Diliberto, J.J., Hakk, H., Huwe, J.K., Birnbaum, L.S. 2011. Toxicokinetics of the flame retardant hexabromocyclododecane alpha: effect of dose, timing, route, repeated exposure and metabolism. Toxicological Sciences. 121(2):234-244.
Sorption and degradation of 17ß-estradiol-17sulfate in agricultural soils - (Abstract Only)
Bai, X., Casey, F.X., Desutter, T., Hakk, H., Oduor, P., Khan, E. 2011. Sorption and degradation of 17ß-estradiol-17sulfate in agricultural soils. Meeting Abstract. In: 54th Annual Manitoba Soil Science Society Meeting Program and Abstracts. P.25. Available: http://www.umanitoba.ca/faculties/afs/soil_science/MSSS/news/2011%20Annual%20Meeting%20Draft%20Program.pdf.
Effects of liquid swine manure on dissipation of 17ß-estradiol in soil Reprint Icon - (Peer Reviewed Journal)
Zitnick, K.K., Shappell, N.W., Hakk, H., DeSutter, T.M., Khan, E., Casey, F.X.M. 2011. Effects of liquid swine manure on dissipation of 17ß-estradiol in soil. Journal of Hazardous Materials. 186:1111-1117.
Effects of composting swine manure on nutrients and estrogens Reprint Icon - (Peer Reviewed Journal)
Derby, N.E., Hakk, H., Casey, F.X.M., Desutter, T.M. 2011. Effects of composting swine manure on nutrients and estrogens. Soil Science. 176(2):91-98.
Synthesis and characterization of radiolabeled 17ß-estradiol conjugates - (Peer Reviewed Journal)
Shrestha, S.L., Bai, X., Smith, D.J., Hakk, H., Casey, F.X.M., Larsen, G.L., Padmanabhan, G. 2011. Synthesis and characterization of radiolabeled 17ß-estradiol conjugates. Journal of Labelled Compounds and Radiopharmaceuticals. Vol. 54(5):267-271.
An On-Farm Survey of Spatial and Temporal Stratifications of 17ß-Estradiol Concentrations - (Peer Reviewed Journal)
Schuh, M.C., Casey, F.X., Hakk, H., Desutter, T.M., Richards, K. G., Khan, E., Odour, P. 2011. An on-farm survey of spatial and temporal stratifications of 17ß-estradiol concentrations. Chemosphere. 82:1683-1689.
Sorption and degradation of estrogen conjugates in agricultural soils - (Abstract Only)
Casey, F.X., Bai, X., Shreshtha, S., Hakk, H., Desutter, T. 2011. Sorption and degradation of estrogen conjugates in agricultural soils. [Abstract] In: Proceedings of the USDA-NIFA Land Grant and Sea Grant National Water Quality Conference, January 31-February 1, 2011, Washington, DC. Available: http://www.usawaterquality.org/conferences/ 2011/abstracts_posters/Casey.pdf.
Sorption, fate, and mobility of sulfonamides in soils - (Peer Reviewed Journal)
Fan, Z., Casey, F.X., Hakk, H., Larsen, G.L., Khan, E. 2011. Sorption, fate, and mobility of sulfonamides in soils. Water, Air, and Soil Pollution. 218(1):49-61.
Metabolism of a- and y-hexabromocyclododecane and enantioselective fractions of a-, ß-, y-isomers in mice - (Proceedings)
Hakk, H., Huwe, J.K., Szabo, D., Diliberto, J., Birnbaum, L.S. 2010. Metabolism of a- and y-hexabromocyclododecane and enanyioselective fractions of a-, ß-, y-isomers in mice. 30th International Symposium on Halogenated Persistant Organic Pollutants (POPs), September 12-17, 2010, San Antonio, TX. Available: http://www.hcdtech.com/dioxin2010/pdf/1436.pdf.
In Vivo Stereoisomerization of HBCD Gamma and Alpha Is Tissue and Stereoisomer Specific - (Proceedings)
Hakk, H., Huwe, J.K., Szabo, D., Diliberto, J., Birnbaum, L.S. 2010. In vivo stereoisomerization of HBCD gamma and alpha is tissue and stereoisomer specific. 30th International Symposium on Halogenated Persistant Organic Pollutants (POPs), September 12-17, 2010, San Antonio, TX. Available: http://www.xcdtech.com/dioxin2010/pdf/1436.pdf.
Metabolism of 2,2',4,4' Tetrabromodiphenyl (BDE 47) in Chickens - (Peer Reviewed Journal)
Hakk, H., Huwe, J.K., Murphy, K., Rutherford, D. 2010. Metabolism of 2,2',4,4' Tetrabromodiphenyl (BDE 47) in Chickens. Journal of Agricultural and Food Chemistry. 58:8757-8762. DOI:10.1021/jf1012924.
Sorption and Degradation of 17ß-Estradiol-17Sulfate in Agricultural Soils - (Abstract Only)
Bai, X., Casey, F.X., Desutter, T., Hakk, H., Oduor, P., Khan, E. 2010. Sorption and degradation of 17ß-estradiol-17sulfate in agricultural soils. ASA-CSSA-SSSA International Annual Meeting Abstracts, October 31-November 4, 2010, Long Beach, CA. Presentation 251-4. Paper 59213. Available: http://a-c-s.confex.com/crops/2010am/webprogram/Paper59213.html
Toxicokinetics of the Flame Retardant Hexabromocyclododecane Gamma: Effect of Dose, Timing, Route, Repeated Exposure and Metabolism Reprint Icon - (Peer Reviewed Journal)
Szabo, D.T., Diliberto, J.J., Hakk, H., Huwe, J.K., Birnbaum, L.S. 2010. Toxicokinetics of the flame retardant hexabromocyclododecane gamma: effect of dose, timing, route, repeated exposure and metabolism. Toxicological Sciences. 117:282-293. DOI:10:1093/toxsci/kfq183.
Difference HBCD Stereoisomers are Metabolized Differently - (Abstract Only)
Hakk, H. 2010. Different HBCD stereoisomers are metabolized differently. In: Abstracts of the XII International Congress of Toxicology, July 19-23, 2010, Barcelona, Spain. Vol. 196, Supplement 1, S33-S34.
Development of an UPLC-MS/MS Sulfonamide Multi-residue Method and its Application to Water, Manure Slurry, and Soils from Swine Rearing Facilities - (Abstract Only)
Shelver, W.L., Hakk, H., Larsen, G.L., Desutter, T.M., Casey, F.X. 2010. Development of an UPLC-MS/MS Sulfonamide Multi-residue Method and its Application to Water, Manure Slurry, and Soils from Swine Rearing Facilities. Society of Environmental Toxicology and Chemistry Abstracts, SETAC Europe: 20th Annual Meeting, 23-27 May 2010, Seville, Spain, "Science and Technology for Environmental Protection" Abstract Book. WE118, p. 325.
Development of an UPLC-MS/MS Sulfonamide Multi-residue Method and It's Application to Water, Manure Slurry, and Soils from Swine Rearing Facilities Reprint Icon - (Peer Reviewed Journal)
Shelver, W.L., Hakk, H., Larsen, G.L., DeSutter, T.M., Casey, F.X.M. 2010. 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. 1217:1273-1282. DOI:10.1016/j.chroma.2009.12.034.
Emerging POPs in Edible Tissues: ADME Study of BDE-47 in Chickens - (Abstract Only)
Hakk, H., Huwe, J.K., Rutherford, D., Murphy, K. 2010. Emerging POPs in edible tissues: ADME study of BDE-47 in chickens. Society of Toxicology Annual Meeting and ToxExpo, March 7-11, 2010, Salt Lake City, UT. Abstract #643. The Toxicologist CD-An official Journal of the Society of Toxicology, Vol. 114, Number S-1, March 2010.
The Fate and Transport of Reproductive Hormones and Their Conjugates in the Environment - (Abstract Only)
Casey, F., Shrestha, S., Hakk, H., Smith, D.J., Larsen, G.L., Padmanabhan, G. 2009. The Fate and Transport of Reproductive Hormones and Their Conjugates in the Environment. Eos Trans. AGU 90(52), Fall Meet. Suppl, Abstract H53A-0910.
Residue and Food Safety Research at the USDA ARS Animal Metabolism Research Unit - (Abstract Only)
Smith, D.J., Huwe, J.K., Hakk, H., Shappell, N.W., Shelver, W.L. 2009. Residue and Food Safety Research at the USDA ARS Animal Metabolism Research Unit. In: Proceedings of 4th International Symposium on Recent Advances in Food Analysis, November 4-6, 2009, Prague, Czech Republic. Poster A-54, page 33.
Fate and Metabolism of PBDEs in Mammalian Systems - (Abstract Only)
Huwe, J.K., Hakk, H. 2009. Fate and Metabolism of PBDEs in Mammalian Systems [Abstract]. International Society of Exposure Science 2009 Abstract Book, November 1-5, 2009, Minneapolis, MN. 2009-P-124-ISES, page 97.
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 - (Peer Reviewed Journal)
Hakk, H., Diliberto, J.J., Birnbaum, L.S. 2009. 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. Journal of Toxicology and Applied Pharmacology. 241:119-126. DOI:10.1016/j.taap.2009.08.009.
The Effects of Composting on Swine Manure Nutrients and Hormones - (Abstract Only)
Derby, N.E., Desutter, T.M., Casey, F.X., Hakk, H., Shelver, W.L. 2009. The Effects of Composting on Swine Manure Nutrients and Hormones [Abstract]. Agronomy Society of America, Crop Science Society of America, Soil Science Society of America Meeting, November 1-5, 2009, Pittsburgh, PA. Presentation 251-1.
Effects of liquid swine manure on sorption of 17ß-estradiol to soil - (Abstract Only)
Zitnick, K., Hakk, H., Shappell, N.W., Desutter, T., Casey, F.S., Khan, E. 2009. Effects of liquid swine manure on sorption of 17ß-estradiol to soil. ASA-CSSA-SSSA Annual Meeting, November 1-5, 2009, Pittsburgh, PA. Abstract #52904. Available http://a-c-s.confex.com/crops/ 2009am/webprogram/Paper52904.html.
Occurrence and Pathways of Manure-borne 17beta-Estradiol in Vadose Zone Water Reprint Icon - (Peer Reviewed Journal)
Thompson, M.L., Casey, F.X., Khan, E., Hakk, H., Larsen, G.L. 2009. Occurrence and Pathways of Manure-borne 17beta-Estradiol in Vadose Zone Water. Chemosphere. 76:472-479.
Absorption, Distribution, Metabolism and Excretion (ADME) Study with 2,2',4,4',5,6' Hexabromodiphenyl Ether(BDE 154)in Male Sprague-Dawley Rats - (Peer Reviewed Journal)
Hakk, H., Huwe, J.K., Larsen, G.L. 2009. Absorption, Distribution, Metabolism and Excretion (ADME) Study with 2,2',4,4',5,6' Hexabromodiphenyl Ether (BDE 154) in Male Sprague-Dawley Rats. Xenobiotica. 39:46-56.
Fate of glucuronide conjugated estradiol in the environment - (Abstract Only)
Shrestha, S.L., Casey, F.X., Hakk, H., Larsen, G.L., Smith, D.J., Padmanabhan, G. 2009. Fate of Glucuronide Conjugated Estradiol in the Environment [Abstract]. In: Proceedings of American Society of Civil Engineers - Environmental and Water Resources Institute Conference, January 5-7, 2009, Bangkok, Thailand.
Fate of Chlorate Salts Excreted From Animals - (Book / Chapter)
Smith, D.J., Oliver, C.E., Hakk, H., Anderson, R.C., Larsen, G.L. 2009. Fate of Chlorate Salts Excreted from Animals. In: "Veterinary Pharmaceuticals in the Environment." J. Coats, K. Henderson, Eds. American Chemical Society Symposium Series 1018, Washington, D.C. Pp. 27-44.
Tissue distribution of polybrominated diphenyl ethers in male rats and implications for biomonitoring - (Peer Reviewed Journal)
Huwe, J.K., Hakk, H., Birnbaum, L.S. 2008. Tissue distribution of polybrominated diphenyl ethers in male rats and implications for biomonitoring. Environmental Science and Technology 42:7018-7024. doi:10.1021/es801344a
Reproductive hormones in the environment - (Abstract Only)
Casey, F.X., Hakk, H., Larsen, G.L., Desutter, T., Khan, E., Oduor, P. 2008. Reproductive hormones in the environment. Meeting Abstract. Annual Meeting of the Geol. Soc. Am Agron. Soc. Am., Crop Sci. Soc. Am., and Soil Sci. Soc. Am., October 5-9, 2008, Houston, TX.
Fate of glucuronide conjugated estradiol in soil - (Abstract Only)
Shrestha , S. L., Casey, F. X. M., Smith, D. J., Hakk, H.,Larsen, G., and Padmanabhan, G.,2008, Fate of Glucuronide Conjugated Estradiol in Soil.Annual meeting of the Geol. Soc. Am. Agron. Soc. Am., Crop Sci. Soc. Am., and Soil Sci. Soc. Am., Houston, October 5-9, 2008.
Fate and transport of reproductive hormone - (Abstract Only)
Casey, F.X., Desutter, T., Khan, E., Oduor, P., Hakk, H., Larsen, G.L. 2008. Fate and transport of reproductive hormone. Meeting Abstract. Annual meeting of the Geol. Soc. Am Agron. Soc. Am., Crop Sci. Soc. Am., and Soil Sci. Soc. Am., October 5-9, 2008, Houston, TX.
Fate of chlorate present in cattle wastes and its impact on Salmonella typhimurium and E. coli 0157:H7 - (Peer Reviewed Journal)
Oliver, C.E., Magelky, B.K., Bauer, M., Cheng, F., Caton, J.S., Hakk, H., Larsen, G.L., Anderson, R.C., Smith, D.J. 2008. Fate of chlorate present in cattle wastes and its impact on Salmonella typhimurium and E. coli 0157:H7. Journal of Agricultural Chemistry 56:6573-6583.
Modeling of Coupled Degradation, Sorption, and Transport of 17beta-Estradiol in Undisturbed Soil - (Peer Reviewed Journal)
Fan, Z., Casey, F.X., Hakk, H., Larsen, G.L. 2008. Modeling of Coupled Degradation, Sorption, and Transport of 17beta-Estradiol in Undisturbed Soil. Water Resources Research 173:456-467.
Transport of 17beta-estradiol and testosterone in a field lysimeter - (Peer Reviewed Journal)
Casey, F.X., Oduor, P., Hakk, H., Larsen, G.L., Desutter, T.M. 2008. Transport of 17beta-estradiol and testosterone in a field lysimeter. Soil Science 173:456-467.
Tissue distribution of polybrominated diphenyl ethers in rats following oral exposure and the relationship to body burdens - (Abstract Only)
Huwe, J.K., Hakk, H., Stapleton, H.M., Birnbaum, L.S. 2008. Tissue Distribution of Polybrominated Diphenyl Ethers in Rats Following Oral Exposure and the Relationship to Body Burdens [Abstract]. In: Abstract Book of the 18th Annual International Society of Exposure Analysis Conference, October 12-16, 2008, Pasadena, CA. Presentation S41-04, p 157.
Fate of estradiol and testosterone in anaerobic lagoon digestors - (Abstract Only)
Hakk, H., Larsen, G.L., Sikora, L.J., Casey, F.X.M. 2008. Fate of estradiol and testosterone in anaerobic lagoon digestors. AGRO Picogram v. 75 (AGRO 118).
Comparative absorption and bioaccumulation of polybrominated diphenyl ethers following ingestion via dust and oil in male rats - (Peer Reviewed Journal)
Huwe, J.K., Hakk, H., Smith, D.J., Diliberto, J.J., Richardson, V., Birnbaum, L.S., Stapleton, H.M. 2008. Comparative absorption and bioaccumulation of polybrominated diphenyl ethers following ingestion via dust and oil in male rats. Environmental Science and Technology 42:2694-2700.
Destruction of estrogens using Fe-TAML/peroxide catalysis - (Peer Reviewed Journal)
Shappell, N.W., Vrabel, M.A., Madsen, P.J., Harrington, G.E., Billey, L.O., Hakk, H., Larsen, G.L., Beach, E.S., Horwitz, C.P., Ro, K.S., Hunt, P.G., Collins, T.J. 2008. Destruction of estrogens using Fe-TAML/peroxide catalysis. Environmental Science and Technology 42:1296-1300.
Are polybrominated diphenyl ethers from household dust bioavailable and biologically active? - (Abstract Only)
Huwe, J.K., Hakk, H., Stapleton, H., Diliberto, J., Richarson, V., Birnbaum, L. 2007. Are polybrominated diphenyl ethers from household dust bioavailable and biologically active?. Meeting Abstract. International Society of Exposure Analysis, Oct. 14-18, 2007, Durham, NC.
Farm-scale reconnaissance of estrogens in subsurface waters - (Abstract Only)
Schuh, M., Casey, F.X., Hakk, H. 2007. Farm-scale reconnaissance of estrogens in subsurface waters. Annual Meeting of ASA, CSSA, and SSSA, November 4-8, 2007, Madison, WI.
Transport of 17ß-Estradiol and Testosterone in a Field Lysimeter - (Abstract Only)
Casey, F.X., Oduor, P.G., Larsen, G.L., Hakk, H. 2007. Transport of 17ß-Estradiol and Testosterone in a Field Lysimeter. Meeting Abstract. Annual Meeting of ASA, CSSA, and SSSA, November 4-8, 2007, Madison, WI.
Efficacy of chlorate against E. coli O157:H7 and Salmonella Typhimurium in bovine feedlot soil mixture. - (Abstract Only)
Oliver, C.E., Magelky, B.K., Bauer, M.L., Caton, J.S., Hakk, H., Larsen, G.L., Anderson, R.C., Smith, D.J. 2007. Efficacy of chlorate against E. coli O157:H7 and Salmonella Typhimurium in bovine feedlot soil mixture. Meeting Abstract. American Society of Animal Science Meetings, July 8-12, 2007, San Antonio, TX.
Discerning and Modeling the Fate and Transport of Testosterone in Undisturbed Soil - (Peer Reviewed Journal)
Fan, Z., Casey, F.X., Hakk, H., Larsen, G.L. 2007. Discerning and Modeling the Fate and Transport of Testosterone in Undisturbed Soil. Journal of Environmental Quality 36:864-873.
Fate of chlorate salts excreted from animals. - (Abstract Only)
Smith, D.J., Oliver, C.E., Hakk, H., Anderson, R.C., Larsen, G.L. 2007. Fate of chlorate salts excreted from animals. Meeting Abstract. American Chemical Society Abstracts, March 25-29, 2007, Chicago, IL.
An ADME study with 2,2'4,4',-tetrabromodiphenyl ether (BDE-47) in chickens. - (Abstract Only)
Hakk, H., Huwe, J.K., Larsen, G.L. 2007. An ADME study with 2,2'4,4',-tetrabromodiphenyl ether (BDE-47) in chickens. Meeting Abstract. BFR 2007 4th International Workshop on Brominated Flame Retardants, April 24-27, 2007, Amsterdam, The Netherlands.
Comparative oral bioavailability of PBDEs from dust and oil in male rats. - (Abstract Only)
Huwe, J.K., Hakk, H., Diliberto, J.J., Staplet0n, H., Birnbaum, L.S. 2007. Comparative oral bioavailability of PBDEs from dust and oil in male rats. BFR 2000, 4th International Workshop on Brominated Flame Retardants. 04/24-27/2007, Amsterdam, Netherlands.
Bioavailability of PBDEs in male rats from orally administered household dust - (Abstract Only)
Hakk, H., Huwe, J.K., Diliberto, J.J., Stapleton, H., Birnbaum, L.S. 2007. Bioavailability of PBDEs in male rats from orally administered household dust. Meeting Abstract. 46th Annual Meeting of the Society of Toxicology, March 25-29, 2007, Charlotte, NC.
Tissue Residues, Metabolism, and Excretion of Na[36cl]o3 in Rats - (Peer Reviewed Journal)
Hakk, H., Smith, D.J., Shappell, N.W. 2007. Tissue residues, metabolism, and excretion of Na[36Cl]O3 in rats. Journal of Agricultural and Food Chemistry 55:2034-2042.
Sorption, fate, and transport of endogenous steroid hormones in soils - (Abstract Only)
Hakk, H., Casey, F., Larsen, G.L. 2007. Sorption, fate, and transport of endogenous steroid hormones in soils. Meeting Abstract. American Chemical Society Abstracts, March 25-29, 2007, Chicago, IL.
Persistence and Fate of 17beta-estradiol and testosterone in agricultural soils - (Peer Reviewed Journal)
Fan, Z., Casey, F.X., Hakk, H., Larsen, G.L. 2007. Persistence and Fate of 17beta-estradiol and testosterone in agricultural soils. Chemosphere 67(5):886-895.
Tissue Distribution, Elimination, and Metabolism of Sodium [36cl]perchlorate in Lactating Goats - (Peer Reviewed Journal)
Smith, D.J., Hakk, H., Larsen, G.L. 2006. Tissue distribution, elimination, and metabolism of sodium [36cl]perchlorate in lactating goats. Journal of Agriculture and Food Chemistry 54:8829-8835.
Pcdd and Pcdf Emissions from Simulated Sugarcane Field Burning - (Peer Reviewed Journal)
Gullett, B.K., Touati, A., Huwe, J.K., Hakk, H. 2006. PCDD and PCDF emissions from simulated sugarcane field burning. Environmental Science and Technology. 40(20):6228-6234.
Fate and Transport of 1278-Tcdd, 1378-Tcdd, and 1478-Tcdd in Soil-Water Systems - (Peer Reviewed Journal)
Fan, Z., Casey, F., Larsen, G.L., Hakk, H. 2006. Fate and transport of 1278-TCDD, 1378-TCDD, and 1478-TCDD in soil-water systems. Science of the Total Environment. 371:323-333.
Toxicokinetics of Polybrominated Diphenyl Ether Congeners 47, 99, 100, and 153 in Mice - (Peer Reviewed Journal)
Staskal, D.F., Hakk, H., Bauer, D., Diliberto, J.J., Birnbaum, L.S. 2006. Toxicokinetics of Polybrominated Diphenyl Ether Congeners 47, 99, 100, and 153 in Mice. Toxicological Sciences 94(1):28-37.
Tissue Distribution, Elimination, and Metabolism of Sodium 36cl-Perchlorate in Lactating Goats. - (Abstract Only)
Smith, D.J., Hakk, H., Larsen, G.L. 2006. Tissue distribution, elimination, and metabolism of sodium 36cl-perchlorate in lactating goats. American Chemical Society Abstracts. San Francisco, CA, Sept. 10-14, 2006.
The Fate of Manure-borne, Land-Applied Hormones - (Abstract Only)
Casey, F.X., Larsen, G.L., Hakk, H., Fan, Z. 2006. The Fate of Manure-borne, Land-Applied Hormones. Meeting Abstract. Annual International Meeting of American Society of Agronomy (ASA), Crop Science Society of America (CSSA), and Soil Science Society of America (SSSA), November 12-16, 2006, Indianapolis, IN.
Bioavailability and Mass Balance Studies of a Commercial Pentabromodiphenyl Ether Mixture in Male Sprague-Dawley Rats - (Peer Reviewed Journal)
Huwe, J.K., Hakk, H., Lorentzsen, M.K. 2007. Bioavailability and mass balance studies of a commercial pentabromodiphenyl ether mixture in male Sprague-Dawley rats. Chemosphere 66:259-266.
Cytosolic and Localized Inhibition of Phosphodiesterase by Atrazine in Swine Tissue Homogenates. - (Peer Reviewed Journal)
Roberge, M.T., Hakk, H., Larsen, G.L. 2006. Cytosolic and localized inhibition of phosphodiesterase by atrazine in swine tissue homogenates. Food and Chemical Toxicology 44:885-890.
Tissue Disposition, Excretion, and Metabolism of 2,2',4,4',6-Pentabromodiphenyl Ether (Bde-100) in Male Sprague-Dawley Rats. - (Peer Reviewed Journal)
Hakk, H., Huwe, J.K., Low, M.C., Rutherford, D., Larsen, G.L. 2006. Tissue disposition, excretion, and metabolism of 2,2',4,4',6-pentabromodiphenyl ether (BDE-100) in male Sprague-Dawley rats. Xenobiotica 36(1):79-94.
An Adme Study with 2,2',4,4',5,6'-Hexabromodiphenyl Ether (Bde-154) in Male Spragye-Dawley Rats. - (Peer Reviewed Journal)
Hakk, H., Huwe, J.K., Larsen, G.L. 2005. An ADME study with 2,2',4,4',5,6'-hexabromodiphenyl ether (BDE-154) in male Sprague-Dawley rats. Organohalogen Compounds 67:2339-2342.
In Situ Subsurface Soil Studies on the Occurrence, Persistence, and Pathways of 17beta-Estradiol. - (Abstract Only)
Thompson, M.L., Casey, F.X., Fan, Z., Hakk, H., Larsen, G.L. 2005. In situ subsurface soil studies on the occurrence, persistence, and pathways of 17beta-estradiol. Meeting Abstract. 2005 ASA-CSSA-SSSA International Annual Meetings, Salt Lake City, UT, Nov. 6-10, 2005.
Sorption, Mobility and Transformation of Estrogenic Hormones in Natural Soil - (Peer Reviewed Journal)
Casey, F., Lee, J., Simunek, J., Larsen, G.L., Hakk, H. 2005. Sorption, mobility and transformation of estrogenic hormones in natural soil. Journal of Environmental Quality 34:1372-1379.
Hapten Syntheses and Antibody Generation for the Development of a Polybrominated Flame Retardant Elisa. - (Peer Reviewed Journal)
Shelver, W.L., Keum, Y., Kim, H., Rutherford, D., Hakk, H., Bergman, A., Li, Q.X. 2005. Hapten syntheses and antibody generation for the development of a polybrominated flame retardant elisa. Journal of Agricultural and Food Chemistry 53(10):3840-3847.
Decrease in Water-Soluble 17beta-Estradiol and Testosterone in Composted Poultry Manure with Time - (Peer Reviewed Journal)
Hakk, Heldur, Millner, Patricia, Larsen, Gerald. 2005. Decrease in water-soluble 17beta-estradiol and testosterone in composted poultry manure with time. Journal of Environmental Quality 34:943-950.
Hapten Syntheses and Antibody Generation for the Development of a Polybrominated Flame Retardant Elisa - (Abstract Only)
Shelver, W.L., Keum, Y., Kim, H., Rutherford, D., Hakk, H., Bergman, A., Li, Q.X. 2005. Hapten syntheses and antibody generation for the development of a polybrominated flame retardant ELISA. [abstract] 229th American Chemical Society (ACS) National Meeting, San Diego, CA, 3/13-17/2005, Picogram No. 68, Abstract No. 210.
Atrazine Is a Competitive Inhibitor of Phosphodiesterase But Does Not Affect the Estrogen Receptor - (Peer Reviewed Journal)
Roberge, M.T., Hakk, H., Larsen, G.L. 2004. Atrazine is a competitive inhibitor of phosphodiesterase but does not affect the estrogen receptor. Toxicology Letters 154/1-2:61-68.
Atrazine and Its Metabolites Are Non-Competitive Inhibitors of Phosphodiesterase - (Abstract Only)
Roberge, M.T., Hakk, H., Larsen, G.L. 2004. Atrazine and its metabolites are non-competitive inhibitors of phosphodiesterase. [abstract] 4th SETAC (Society of Environmental Toxicology and Analytical Chemistry) World Congress, Portland OR, November 14-18, 2004.
Sorption, Mobility and Fate of 1,4,7,8-Tetrachlorodibenzo-P-Dioxin in Soils - (Peer Reviewed Journal)
Larsen, G.L., Zhaosheng, F., Casey, F., Hakk, H. 2004. Sorption, mobility and fate of 1,4,7,8-tetrachlorodibenzo-p-dioxin in soils. Organohalogen Compounds. 66:2292-2296.
Binding of 2,2',4,4',6-Pentabromodiphenyl Ether (Bde-100) And/or Its Metabolites to Mammalian Biliary Carrier Proteins - (Peer Reviewed Journal)
Larsen, G.L., Huwe, J.K., Low, M., Rutherford, D., Hakk, H. 2004. Binding of 2,2',4,4',6-pentabromodiphenyl ether (bde-100) and/or its metabolites to mammalian biliary carrier proteins. Organohalogen Compounds 66:3830-3835.
Sorption and Mobility of Sulfamethazine in Various Soils: a Laboratory Study. - (Abstract Only)
Jaehoon, L., Casey, F., Hakk, H., Larsen, G.L. 2004. Sorption and mobility of sulfamethazine in various soils: a laboratory study. [abstract] American Society of Agronomy, Crop Science Society of America and Soil Science Society of America Annual Meeting, Seattle, WA, Nov. 1-4, 2004.
Fate and Transport of Testosterone in Agricultural Soils - (Peer Reviewed Journal)
Casey, F., Larsen, G.L., Hakk, H., Simunek, J. 2004. Fate and transport of testosterone in agricultural soils. Environmental Science and Technology 38:790-798.
Metabolism, Tissue Disposition, and Excretion, of 1,2-Bis(2,4,6-Tribromophenoxy)ethane (Btbpe) in Male Sprague-Dawley Rats. - (Peer Reviewed Journal)
Hakk, H., Larsen, G.L., Bowers, J. 2004. Metabolism, tissue disposition, and excretion, of 1,2-bis(2,4,6-tribromophenoxy)ethane (btbpe) in male sprague-dawley rats. Chemosphere 54:1367-1374.
Fate and Transport of 17beta-Estradiol in Soil - Water Systems. - (Peer Reviewed Journal)
Casey, F.X., Larsen, G.L., Hakk, H., Simunek, J. 2003. Fate and transport of 17beta-estradiol in soil - water systems. Environmental Science and Technology. 37:2400-2409.
Metabolism in the Toxicokinetics and Fate of Brominated Flame Retardants (Bfrs)-a Review - (Review Article)
Hakk, H., Letcher, R.J. 2003. Metabolism in the toxicokinetics and fate of brominated flame retardants (bfrs)-a review. Environment International. 29:801-828.
Comparison of Overall Metabolism of 1,2,3,7,8-Pecdd in Cyp1a2 (-/-) Knockout and C57bl/6n Parental Strains of Mice - (Peer Reviewed Journal)
Hakk, H., Diliberto, J. 2003. Comparison of overall metabolism of 1,2,3,7,8-pecdd in cyp1a2 (-/-) knockout and c57bl/6n parental strains of mice. Organohalogen Compounds. 64:293-296.
Decabromodiphenyl Ether in the Rat: Absorption, Distribution, Metabolism, and Excretion. - (Peer Reviewed Journal)
Morck, A., Hakk, H., Orn, U., Klasson-Wehler, E. 2003. Decabromodiphenyl ether in the rat: absorption, distribution, metabolism, and excretion. Drug Metabolism and Disposition. 31:900-907.
Sorption and Mobility of Testosterone in Agricultural Soils - (Abstract Only)
Casey, F., Simunek, J., Hakk, H., Larsen, G.L. 2003. Sorption and mobility of testosterone in agricultural soils. American Society of Agronomy-Crop Science Societies of America-Soil Science Society of America, November 2-6, 2003, Denver, CO.
Sorption, Mobility and Fate of 1,2,7,8-Tetrachlorodibenzo-P-Dioxin in Soils and Sand. - (Peer Reviewed Journal)
Larsen, G.L., Casey, F., Fan, Z., Hakk, H. 2003. Sorption, mobility and fate of 1,2,7,8-tetrachlorodibenzo-p-dioxin in soils and sand. Organohalogen Compounds. 61:397-400.
Sorption, Mobility and Fate of 1,3,7,8-Tetrachlorodibenzo-P-Dioxin in Soils and Sand - (Proceedings)
Hakk, H., Casey, F., Larsen, G.L. 2002. Sorption, mobility and fate of 1,3,7,8-tetrachlorodibenzo-p-dioxin in soils and sand. Organohalogen Compounds. 57:301-304.
Comparison of Overall Metabolism of 2,3,7,8-Tcdd in Cyp1a2 (-/-) Knockout and C57bl/6n Parental Strains of Mice - (Proceedings)
Hakk, H., Diliberto, J.J. 2002. Comparison of overall metabolism of 2,3,7,8-TCDD in CYP1A2 (-/-) knockout and C57BL/6N parental strains of mice. Organohalogen Compounds. 55:461-464.
Binding of Brominated Diphenyl Ethers to Male Rat Carrier Proteins. - (Peer Reviewed Journal)
Hakk, H., Larsen, G.L., Bergman, A., Orn, U. 2002. Binding of brominated diphenyl ethers to male rat carrier proteins. Xenobiotica 32(12):1079-1091.
A Mass Balance Feeding Study of a Commercial Octabromodiphenyl Ether Mixture in Rats - (Peer Reviewed Journal)
Huwe, J.K., Hakk, H., Lorentzsen, M.K. 2002. A mass balance feeding study of a commercial octabromodiphenyl ether mixture in rats. Organohalogen Compounds. 58:229-232.
Tissue Disposition, Excretion, and Metabolism of 2,2',4,4',5-Pentabromodiphenyl Ether (Bde-99)in the Male Sprague-Dawley Rat. - (Peer Reviewed Journal)
Hakk, H., Larsen, G.L., Klasson-Wehler, E. 2002. Tissue disposition, excretion, and metabolism of 2,2',4,4',5-pentabromodiphenyl ether (BDE-99)in the male Sprague-Dawley rat. Xenobiotica 32(5):369-382.
Fate of the Endogenous Hormones, 17 Beta-Estradol and Testosterone, in Composted Poultry Manure - (Proceedings) - (20-Aug-01)
Fate of the Endogenous Hormones 17b-Estradiol and Testosterone in Compostedmanure - (Abstract Only) - (10-Apr-01)
ARS News Articles
Last Modified: 10/30/2014
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