Research Topics
| Steven B HawthorneSummaryAffiliation: Energy and Environmental Research Center Country: USA Publications
| Collaborators |
Detail Information
Publications
Persistence and biodegradation of monoethanolamine and 2-propanolamine at an abandoned industrial siteSteven B Hawthorne
Energy and Environmental Research Center, University of North Dakota, Campus Box 9018, Grand Forks, North Dakota 58201 9018, USA
Environ Sci Technol 39:3639-45. 2005..Since MEA and IPA exist primarily as cations at the pH of site soils, their persistence apparently results from strong binding to soil, as well as inhibition of natural bioremediation in highly contaminated field soils...
Predicting PAH bioaccumulation and toxicity in earthworms exposed to manufactured gas plant soils with solid-phase microextractionMichiel T O Jonker
Institute for Risk Assessment Sciences, Utrecht University, P O Box 80177, 3508 TD Utrecht, The Netherlands
Environ Sci Technol 41:7472-8. 2007..For MGP sites where current risk assessment procedures indicate concerns, SPME thus provides a useful tool for performing a refined, site-specific assessment...
Investigating differential binding of polychlorinated dibenzo-p-dioxins/dibenzofurans in soil and soil components using selective supercritical fluid extractionSteven B Hawthorne
Energy and Environmental Research Center, University of North Dakota, 15 North 23rd Street, Grand Forks, ND 58202, USA
Chemosphere 88:261-9. 2012....
Measured partitioning coefficients for parent and alkyl polycyclic aromatic hydrocarbons in 114 historically contaminated sediments: part 1. K(OC) valuesSteven B Hawthorne
Energy and Environmental Research Center, University of North Dakota, Box 9018, Grand Forks, North Dakota 58202, USA
Environ Toxicol Chem 25:2901-11. 2006....
Reduction in acute toxicity of soils to terrestrial oligochaetes following the removal of bioavailable polycyclic aromatic hydrocarbons with mild supercritical carbon dioxide extractionSteven B Hawthorne
Energy and Environmental Research Center, University of North Dakota, Box 9018, Grand Forks, North Dakota 58202, USA
Environ Toxicol Chem 24:1893-5. 2005....
Solid-phase microextraction measurement of parent and alkyl polycyclic aromatic hydrocarbons in milliliter sediment pore water samples and determination of K(DOC) valuesSteven B Hawthorne
Energy and Environmental Research Center, University of North Dakota, Grand Forks, North Dakota 58202, USA
Environ Sci Technol 39:2795-803. 2005....
Predicting bioavailability of sediment polycyclic aromatic hydrocarbons to Hyalella azteca using equilibrium partitioning, supercritical fluid extraction, and pore water concentrationsSteven B Hawthorne
Energy and Environmental Research Center, University of North Dakota, Grand Forks, North Dakota 58201, USA
Environ Sci Technol 41:6297-304. 2007....
Evidence for very tight sequestration of BTEX compounds in manufactured gas plant soils based on selective supercritical fluid extraction and soil/water partitioningSteven B Hawthorne
Energy and Environmental Research Center, University of North Dakota, Campus Box 9018, Grand Forks, North Dakota 58201, USA
Environ Sci Technol 37:3587-94. 2003..These results indicate that environmentally relevant concentrations of benzene may be better represented by mild extraction methods than by methods capable of extracting tightly bound benzene...
Measured partition coefficients for parent and alkyl polycyclic aromatic hydrocarbons in 114 historically contaminated sediments: part 2. Testing the K(OC)K(BC) two carbon-type modelSteven B Hawthorne
Energy and Environmental Research Center, University of North Dakota, Grand Forks 58202, USA
Environ Toxicol Chem 26:2505-16. 2007....
Comparing PAH availability from manufactured gas plant soils and sediments with chemical and biological tests. 1. PAH release during water desorption and supercritical carbon dioxide extractionSteven B Hawthorne
Energy and Environmental Research Center, University of North Dakota, P O Box 9018 Grand Forks, North Dakota 58202, USA
Environ Sci Technol 36:4795-803. 2002....
Improving predictability of sediment-porewater partitioning models using trends observed with PCB-contaminated field sedimentsSteven B Hawthorne
Energy and Environmental Research Center, University of North Dakota, 15 North 23rd Street, Grand Forks, North Dakota 58203, United States
Environ Sci Technol 45:7365-71. 2011..These recommended partitioning models here can readily be used for all 209-PCB congeners...
Measuring picogram per liter concentrations of freely dissolved parent and alkyl PAHs (PAH-34), using passive sampling with polyoxymethyleneSteven B Hawthorne
Energy and Environmental Research Center EERC, University of North Dakota, Box 9018, Grand Forks, North Dakota 58202, USA
Anal Chem 83:6754-61. 2011..1 part per trillion (ng/L) for the 2-ring PAH naphthalene, down to <1 pg/L (part per quadrillion) for the 5- and 6-ring PAHs. Sorption isotherms were linear (r(2) > 0.99) over at least 4 orders of magnitude...
Measuring low picogram per liter concentrations of freely dissolved polychlorinated biphenyls in sediment pore water using passive sampling with polyoxymethyleneSteven B Hawthorne
Energy and Environmental Research Center, University of North Dakota, Box 9018, Grand Forks, North Dakota 58202 9018, USA
Anal Chem 81:9472-80. 2009..995) over at least 3 orders of magnitude for all congeners, demonstrating good quantitative linearity of the method for determining freely dissolved PCB concentrations at environmentally relevant levels...
PAH release during water desorption, supercritical carbon dioxide extraction, and field bioremediationS B Hawthorne
Energy and Environmental Research Center, University of North Dakota, Grand Forks 58202, USA
Environ Sci Technol 35:4577-83. 2001..9). The comparisons indicate that short-term SFE can provide a reasonable estimate of the fraction of a PAH that is readily released and available for microbial treatment...
Solid-phase-microextraction measurement of 62 polychlorinated biphenyl congeners in milliliter sediment pore water samples and determination of K(DOC) valuesSteven B Hawthorne
Energy and Environmental Research Center, University of North Dakota, Box 9018, Grand Forks, North Dakota 58202, USA
Anal Chem 81:6936-43. 2009..Log DOC/water partitioning coefficients (log K(DOC)) ranged from 3.6 to 4.6 for 2,3,5,6-tetrachlorobiphenyl and from 4.2 to 5.5 for 3,3',4,4',5,5'-hexachlorobiphenyl...
Laser-induced fluorescence coupled with solid-phase microextraction for in situ determination of PAHs in sediment pore waterSteven B Hawthorne
Energy and Environmental Research Center, University of North Dakota, Grand Forks 58202, USA
Environ Sci Technol 42:8021-6. 2008..The method is very simple to perform, and should be directly applicable to field surveys...
Measurement of total polycyclic aromatic hydrocarbon concentrations in sediments and toxic units used for estimating risk to benthic invertebrates at manufactured gas plant sitesSteven B Hawthorne
Energy and Environmental Research Center, University of North Dakota, Box 9018, Grand Forks, North Dakota 58202, USA
Environ Toxicol Chem 25:287-96. 2006..5) is sufficient to estimate total TU within a 95% confidence level for MGP sites. Similarly, measurement of parent PAHs is sufficient to accurately estimate the total 34 alkyl and parent PAH concentrations for MGP-impacted sediments...
Toxicity of wide-range polarity fractions from wood smoke and diesel exhaust particulate obtained using hot pressurized waterAlena Kubatova
Energy and Environmental Research Center, University of North Dakota, Grand Forks, North Dakota 58202 9018, USA
Environ Toxicol Chem 23:2243-50. 2004....
Genotoxicity of polar fractions from a herbicide-contaminated soil does not correspond to parent contaminantsAlena Kubatova
Energy and Environmental Research Center, P O Box 9018, University of North Dakota, Grand Forks, North Dakota 58202 9018, USA
Environ Toxicol Chem 25:1742-5. 2006..For correct assessment of the toxicity of complex matrices such as soils, both contaminated and uncontaminated samples need to be studied for their toxicological impact...
Midpolarity and nonpolar wood smoke particulate matter fractions deplete glutathione in RAW 264.7 macrophagesAlena Kubatova
Energy and Environmental Research Center, P O Box 9018, University of North Dakota, Grand Forks, North Dakota 58202 9018, USA
Chem Res Toxicol 19:255-61. 2006..However, other unidentified PM constituents contribute to GSH depletion as well. The results indicate the toxicological importance of oxygenated organics found in midpolarity PM fractions...
Thermodynamic and kinetic models for the extraction of essential oil from savory and polycyclic aromatic hydrocarbons from soil with hot (subcritical) water and supercritical CO2Alena Kubatova
Energy and Environmental Research Center, Campus Box 9018, University of North Dakota, Grand Forks, ND 58202, USA
J Chromatogr A 975:175-88. 2002....
Subcritical (hot/liquid) water dechlorination of PCBs (Aroclor 1254) with metal additives and in waste paintAlena Kubatova
Energy and Environmental Research Center, Campus Box 9018, University of North Dakota, Grand Forks, North Dakota 58202, USA
Environ Sci Technol 37:5757-62. 2003....
Dechlorination of lindane, dieldrin, tetrachloroethane, trichloroethene, and PVC in subcritical waterAlena Kubatova
Energy and Environmental Research Center, University of North Dakota, Grand Forks 58202, USA
Environ Sci Technol 36:1337-43. 2002..All compounds tested yielded chloride ion as the major product (at higher temperatures), indicating that complete dechlorination of some aliphatic organochlorines may be feasible...
Solid-phase microextraction of polychlorinated biphenylsY Yang
Energy and Environmental Research Center, University of North Dakota, Grand Forks 58202, USA
J Chromatogr A 800:257-66. 1998....
Solid-phase microextraction with pH adjustment for the determination of aromatic acids and bases in waterH van Doorn
Energy and Environmental Research Center, University of North Dakota, Grand Forks 58202-9018, USA
J Chromatogr A 829:223-33. 1998....
Static subcritical water extraction with simultaneous solid-phase extraction for determining polycyclic aromatic hydrocarbons on environmental solidsS B Hawthorne
Energy and Environmental Research Center, University of North Dakota, Grand Forks 58202, USA
J Chromatogr A 886:237-44. 2000..The method gives good quantitative agreement with standard Soxhlet extraction, and with certified reference materials for PAH concentrations on soil, sediment (SRM 1944), and air particulate matter (SRM 1649a)...
Comparison of subcritical water and organic solvents for extracting kava lactones from kava rootA Kubatova
Energy and Environmental Research Center, University of North Dakota, Grand Forks 58202, USA
J Chromatogr A 923:187-94. 2001..With unground kava, 40 min of subcritical water extraction yielded essentially the same recoveries of lactones as 18 h of sonication with acetone, methylene chloride, or methanol...
Supercritical carbon dioxide extraction as a predictor of polycyclic aromatic hydrocarbon bioaccumulation and toxicity by earthworms in manufactured-gas plant site soilsJoseph P Kreitinger
Institute for Comparative and Environmental Toxicology and Department of Soil, Crop, and Atmospheric Sciences, Cornell University, Ithaca, New York 14851, USA
Environ Toxicol Chem 26:1809-17. 2007....
Greatly reduced bioavailability and toxicity of polycyclic aromatic hydrocarbons to Hyalella azteca in sediments from manufactured-gas plant sitesJoseph P Kreitinger
Institute for Comparative and Environmental Toxicology and Department of Soil, Crop, and Atmospheric Sciences, Cornell University, Ithaca, New York 14851, USA
Environ Toxicol Chem 26:1146-57. 2007..azteca...
Extremely slowly desorbing polycyclic aromatic hydrocarbons from soot and soot-like materials: evidence by supercritical fluid extractionMichiel T O Jonker
Institute for Risk Assessment Sciences, Utrecht University, P O Box 80176, 3508 TD Utrecht, The Netherlands
Environ Sci Technol 39:7889-95. 2005..Our results imply reduced chemical risks for soot and soot-like materials, casting doubts on current risk assessment procedures and environmental quality standards of pyrogenic PAHs...
Improving risk assessments for manufactured gas plant soils by measuring PAH availabilityHans F Stroo
The RETEC Group, Monroeville, Pennsylvania 15146, USA
Integr Environ Assess Manag 1:259-66. 2005....
Subcritical water extraction of antioxidant compounds from rosemary plantsElena Ibáñez
Instituto de Fermentaciones Industriales, CSIC, Juan de la Cierva 3, 28006 Madrid, Spain
J Agric Food Chem 51:375-82. 2003..3 microg/mL, comparable to those achieved by SFE of rosemary leaves. A study of the effect of the temperature on the extraction efficiency of the most typical rosemary antioxidant compounds has been performed...
