Výsledky vyhledávání - "Irene Scheunert"

Transport and Transformation of Pesticides in Soil

Autor: Irene Scheunert

Publikováno v: Fate and Prediction of Environmental Chemicals in Soils, Plants, and Aquatic Systems ISBN: 9781351072007

This chapter provides information available on transport and on transformation and degradation of pesticides in soil, and possibilities of prediction. Pesticides may be absorbed by soil organic matter as well as by inorganic soil fractions, and the r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::be6acef5ce09bbb6c55714f73f5cdf08
https://doi.org/10.1201/9781351072007-1

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Mineralization of plant-incorporated residues of 14C-isoproturon in arable soils originating from different farming systems

Autor: S. von Wirén-Lehr, Irene Scheunert, U. Dörfler

Publikováno v: Geoderma. 105:351-366

14C-isoproturon residues were incorporated in wheat plants by growing seedlings for 18 days in quartz sand with nutrient solution which was treated with ring-labeled 14C-isoproturon, resulting in 14C-concentration equivalent to 15.4 nmol isoproturon

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https://doi.org/10.1016/s0016-7061(01)00112-4

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Degradation of isoproturon by the white rot fungus Phanerochaete chrysosporium

Autor: Irene Scheunert, Lennart Torstensson, Maria del Pilar Castillo, Sabine von Wirén-Lehr

Publikováno v: Biology and Fertility of Soils. 33:521-528

The ability of the white rot fungus Phanerochaete chrysosporium to degrade isoproturon was tested in solid substrate fermentation (SSF) cultures using straw as substrate/carrier material. The role of the lignin degrading enzymes, lignin peroxidase (L

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https://doi.org/10.1007/s003740100372

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Mobility of the Organochlorine Compound Dicofol in Soil Promoted by Pseudomonas fluorescens

Autor: Denise M.S. Mano, Beate Brunninger, Tomaz Langenbach, Irene Scheunert

Publikováno v: Ecotoxicology and Environmental Safety. 44:154-159

The genetic modified Pseudomonas fluorescens Br 12, resistant to kanamycin and rifampycin, was used to follow the co-transport of the organochlorine acaricide dicofol through a nonsterilized soil column. P. fluorescens was found to bioaccumulate dico

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https://doi.org/10.1006/eesa.1999.1813

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Mineralization of [14C] glyphosate and its plant-associated residues in arable soils originating from different farming systems

Autor: Irene Scheunert, Sabine von Wirén-Lehr, Heinrich Sandermann, Dieter Komoßa, Werner E. Gläßgen

Publikováno v: Pesticide Science. 51:436-442

The biomineralization of [14C]glyphosate, both in the free state and as 14C-residues associated with soybean cell-wall material, was studied in soil samples from four different agricultural farming systems. After 26 days, [14C]carbon dioxide producti

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https://doi.org/10.1002/(sici)1096-9063(199712)51:4<436::aid-ps630>3.0.co

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Ecotoxicological effects of soil-bound pentachlorophenol residues on the microflora of soils

Autor: A. Attar, Irene Scheunert, L. Zelles

Publikováno v: Chemosphere. 30:1995-2009

Pentachlorophenol (PCP)-14C was applied to two soils (50 and 200 mg/kg dry weight) and incubated for 20 weeks at room temperature. Total and extractable 14C-residues decreased continuously, whereas soil-bound residues increased. ATP-content, substrat

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https://doi.org/10.1016/0045-6535(95)00089-q

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The Relevance of Aquatic Organisms′ Lipid Content to the Toxicity of Lipophilic Chemicals: Toxicity of Lindane to Different Fish Species

Autor: Antonius Kettrup, M. Matthies, W. Garrison, Harald J. Geyer, Christian Steinberg, Irene Scheunert, Rainer Brüggemann, V. Zitko

Publikováno v: Ecotoxicology and Environmental Safety. 28:53-70

The acute toxicity (48-hr LC50) of lindane (gamma-HCH) to 16 fish species, belonging to eight families, ranges from 22 to 900 micrograms/liter (mean: 150 micrograms/liter). A significant positive linear relationship between the lipid content (% on a

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https://doi.org/10.1006/eesa.1994.1034

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Mikrobieller Abbau organischer Fremdstoffe im Boden

Autor: Irene Scheunert

Publikováno v: Chemie in unserer Zeit. 28:68-78

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https://doi.org/10.1002/ciuz.199400008

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Bioconcentration of superlipophilic persistent chemicals

Autor: Christian Steinberg, Irene Scheunert, Antonius Kettrup, Derek C. G. Muir, Harald J. Geyer

Publikováno v: Environmental Science and Pollution Research. 1:75-80

According to present understanding, persistent superlipophilic chemicals — such as octachlorodibenzo-p-dioxin, octachlorodibenzofuran, Mirex etc — with log Kow > 6 and cross sections > 9.5 A, bioconcentrate in aquatic organisms only little from a

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https://doi.org/10.1007/bf02986510

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