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Gerald L Larsen

Explore the profile of Gerald L Larsen including associated specialties, affiliations and a list of published articles. Areas
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Articles 14
Citations 68
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Recent Articles
1.
Hakk H, Sikora L, Casey F, Larsen G
J Environ Qual . 2015 Jan; 43(2):701-8. PMID: 25602671
The fate of [C]17β-estradiol ([C]E2) was monitored for 42 d in triplicate 10-L anaerobic digesters. Total radioactive residues decreased rapidly in the liquid layer of the digesters and reached a...
2.
Shelver W, Hakk H, Larsen G, DeSutter T, Casey F
J Chromatogr A . 2010 Jan; 1217(8):1273-82. PMID: 20047751
An analytical method was developed using ultra-high-pressure liquid chromatography-triple quadrupole-tandem mass spectrometry (UHPLC-TQ-MS/MS) to simultaneously analyze 14 sulfonamides (SA) in 6 min. Despite the rapidity of the assay the system...
3.
Thompson M, Casey F, Khan E, Hakk H, Larsen G, DeSutter T
Chemosphere . 2009 Apr; 76(4):472-9. PMID: 19394677
The hormone 17beta-estradiol (E2) can cause endocrine disruption in sensitive species at part per trillion concentrations. The persistence and transport pathways of manure-borne E2 in agricultural soils were determined by...
4.
Oliver C, Magelky B, Bauer M, Cheng F, Caton J, Hakk H, et al.
J Agric Food Chem . 2008 Jul; 56(15):6573-83. PMID: 18605736
Chlorate salts are being developed as a feed additive to reduce the numbers of pathogens in feedlot cattle. A series of studies was conducted to determine whether chlorate, at concentrations...
5.
Shappell N, Vrabel M, Madsen P, Harrington G, Billey L, Hakk H, et al.
Environ Sci Technol . 2008 Mar; 42(4):1296-300. PMID: 18351108
Endocrine disrupting chemicals (EDCs) impair living organisms by interfering with hormonal processes controlling cellular development Reduction of EDCs in water by an environmentally benign method is an important green chemistry...
6.
Fan Z, Casey F, Hakk H, Larsen G
J Environ Qual . 2007 May; 36(3):864-73. PMID: 17485718
Testosterone is an endocrine disruptor that is released into the environment from natural and anthropogenic sources. The objective of this study was to achieve a better understanding of the complex...
7.
Fan Z, Casey F, Hakk H, Larsen G
Chemosphere . 2007 Jan; 67(5):886-95. PMID: 17223163
Steroidal hormones are constantly released into the environment by man-made and natural sources. The goal of this study was to examine the persistence and fate of 17beta-estradiol and testosterone, the...
8.
Smith D, Hakk H, Larsen G
J Agric Food Chem . 2006 Nov; 54(23):8829-35. PMID: 17090130
Perchlorate has contaminated water sources throughout the United States but particularly in the arid Southwest, an area containing large numbers of people and few water sources. Recent studies have demonstrated...
9.
Fan Z, Casey F, Larsen G, Hakk H
Sci Total Environ . 2006 Sep; 371(1-3):323-33. PMID: 16942790
The most toxic dioxin is 2,3,7,8-tetrachlorodibenzo-p-dioxin (2378-TCDD), and obtaining comprehensive experimental data for this compound is challenging. However, several nontoxic isomers of 2378-TCDD exist, and can provide significant experimental evidence...
10.
Huwe J, Larsen G
Environ Sci Technol . 2005 Aug; 39(15):5606-11. PMID: 16124293
Persistent environmental contaminants including polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs), non-ortho-polychlorinated biphenyls (PCBs), and polybrominated diphenyl ethers (PBDEs) were analyzed in 65 meat samples collected from supermarkets across the U.S. in...