2004
DOI: 10.1897/03-192
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Abstract: Steroid estrogens at sub-micrograms per liter levels are frequently detected in surface water, and increasingly cause public concern of their potential impacts on ecosystems and human health. Assessing the environmental fate and risks of steroid estrogens requires accurate characterization of various physicochemical and biological processes involving these chemicals in aquatic systems. This paper reports sorption of three estrogens, 17beta-estradiol (estradiol), estrone, and 17alpha-ethinyl estradiol (EE2), by… Show more

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Cited by 128 publications
(137 citation statements)
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“…Similar results were also obtained by previous investigations on the sorption of NP [38] and steroid estrogens [20]. Additionally, because of analytical limitations, most of the previous laboratory experiments were conducted at high sorbate levels (commonly from ppm to ppb levels), but in the field sorbate concentrations are generally at low ppb to ppt levels.…”
Section: Association Of Edcs With Poc and Docsupporting
confidence: 83%
See 1 more Smart Citation
“…Similar results were also obtained by previous investigations on the sorption of NP [38] and steroid estrogens [20]. Additionally, because of analytical limitations, most of the previous laboratory experiments were conducted at high sorbate levels (commonly from ppm to ppb levels), but in the field sorbate concentrations are generally at low ppb to ppt levels.…”
Section: Association Of Edcs With Poc and Docsupporting
confidence: 83%
“…Because of analytical limitations, most of the previous laboratory experiments were conducted at high sorbate levels (commonly from ppm to ppb level), but in the field sorbate concentrations are generally at low ppb to ppt levels. Because the sorption isotherm for EDCs is observed to be nonlinear, the lower the sorbate concentrations, the higher the K OC or K DOC values are [20]. This difference consequently led to the underestimation of the organic carbon-normalized solid-water or dissolved organic matter (DOM)-water partition coefficient (K OC or K DOC ) values for EDCs.…”
Section: Introductionmentioning
confidence: 99%
“…However, the stronger adsorption demonstrated by oestrone (E1) in this study is in agreement with a study reported by Hildebrand [15]. Equal sorptive strength between 17α-ethnyloestradiol (EE2) and oestrone (E1) onto the same sorbent have also been reported [20].…”
Section: Sorption Coefficient Normalised To Organic Carbon (K Oc )supporting
confidence: 93%
“…A modified batch-equilibration method previously described by Li and Lee [28] and Lee et al [21] [29]. Stock solutions of each hormone at concentrations of 200, 400, and 600 mg/L for E1 and E1-3S were prepared by dissolving appropriate amounts in methanol.…”
Section: Equilibrium Batch Sorption Studiesmentioning
confidence: 99%
“…Sorption of estrogens has been extensively studied over the past decade, and most studies found the sorption potential of agricultural soils to be moderate to high [17][18][19][20] with soil organic matter being the major sorption domain for estrogens [19][20][21]. Sorption nonlinearity typical for organic contaminants [22,23] has also been substantiated for these hormones.…”
Section: Introductionmentioning
confidence: 99%