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000010169 0247_ $$2DOI$$a10.1021/es100141m
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000010169 0247_ $$2ISSN$$a0013-936X
000010169 0247_ $$2ISSN$$a1520-5851
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000010169 084__ $$2WoS$$aEngineering, Environmental
000010169 084__ $$2WoS$$aEnvironmental Sciences
000010169 1001_ $$0P:(DE-Juel1)VDB724$$aKasteel, R.$$b0$$uFZJ
000010169 245__ $$aTransformation and sorption of the veterinary antibiotic sulfadiazine in two soils: A short-term batch study
000010169 260__ $$aColumbus, Ohio$$bAmerican Chemical Society$$c2010
000010169 300__ $$a4651 - 4657
000010169 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article
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000010169 440_0 $$01865$$aEnvironmental Science and Technology$$v44$$x0013-936X$$y12
000010169 500__ $$aC.M.M. and M.U. acknowledge the German Research Foundation (DFG) for financial support (FOR566). We thank Stephan Koppchen for the HPLC measurements and Bayer HealthCare (Wuppertal, Germany) for providing the <SUP>14</SUP>C-labeled sulfadiazine.
000010169 520__ $$aThe worldwide use of veterinary antibiotics poses a continuous threat to the environment. There is, however, a lack of mechanistic studies on sorption and transformation processes for environmental assessment in soils. Two-week batch sorption experiments were performed with the antibiotic sulfadiazine (SDZ) in the plow layer and the subsoil of a loamy sand and a silty loam. The sorption and transformation parameters of SDZ and its main transformation products N1-2-(4-hydroxypyrimidinyl) benzenesulfanilamide (4-OH-SDZ) and 4-(2-iminopyrimidin-1(2H)-yl)aniline (An-SDZ) were estimated using a global optimization algorithm. A two-stage, one-rate sorption model combined with a first-order transformation model adequately described the batch data. Sorption of SDZ was nonlinear, time-dependent, and affected by pH, with a higher sorption capacity for the loamy sand. Transformation of SDZ into 4-OH-SDZ occurred only in the liquid phase, with half-life values of 1 month in the plow layers and 6 months in the subsoils. Under the exclusion of light, An-SDZ was formed in substantial amounts in the silty loam only, with liquid phase half-life values of 2 to 3 weeks. Despite the rather large parameter uncertainties, which may be reduced using additional information obtained from sequential solid phase extraction, the proposed method provides a framework to assess the fate of antibiotics in soils.
000010169 536__ $$0G:(DE-Juel1)FUEK407$$2G:(DE-HGF)$$aTerrestrische Umwelt$$cP24$$x0
000010169 588__ $$aDataset connected to Web of Science, Pubmed
000010169 650_2 $$2MeSH$$aAdsorption
000010169 650_2 $$2MeSH$$aBiodegradation, Environmental
000010169 650_2 $$2MeSH$$aBiotransformation
000010169 650_2 $$2MeSH$$aCarbon Radioisotopes
000010169 650_2 $$2MeSH$$aEnvironmental Remediation: methods
000010169 650_2 $$2MeSH$$aKinetics
000010169 650_2 $$2MeSH$$aModels, Chemical
000010169 650_2 $$2MeSH$$aSoil: analysis
000010169 650_2 $$2MeSH$$aSulfadiazine: chemistry
000010169 650_2 $$2MeSH$$aSulfadiazine: isolation & purification
000010169 650_2 $$2MeSH$$aSulfadiazine: metabolism
000010169 650_2 $$2MeSH$$aTime Factors
000010169 650_2 $$2MeSH$$aVeterinary Drugs: chemistry
000010169 650_2 $$2MeSH$$aVeterinary Drugs: isolation & purification
000010169 650_2 $$2MeSH$$aVeterinary Drugs: metabolism
000010169 650_7 $$00$$2NLM Chemicals$$aCarbon Radioisotopes
000010169 650_7 $$00$$2NLM Chemicals$$aSoil
000010169 650_7 $$00$$2NLM Chemicals$$aVeterinary Drugs
000010169 650_7 $$068-35-9$$2NLM Chemicals$$aSulfadiazine
000010169 650_7 $$2WoSType$$aJ
000010169 7001_ $$0P:(DE-Juel1)129501$$aMboh, C.M.$$b1$$uFZJ
000010169 7001_ $$0P:(DE-Juel1)VDB72529$$aUnold, M.$$b2$$uFZJ
000010169 7001_ $$0P:(DE-Juel1)129462$$aGroeneweg, J.$$b3$$uFZJ
000010169 7001_ $$0P:(DE-Juel1)129548$$aVanderborght, J.$$b4$$uFZJ
000010169 7001_ $$0P:(DE-Juel1)129549$$aVereecken, H.$$b5$$uFZJ
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000010169 8567_ $$uhttp://dx.doi.org/10.1021/es100141m
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