Search Results - "Federle, T W"

Biodegradation of [S,S], [R,R] and mixed stereoisomers of Ethylene Diamine Disuccinic Acid (EDDS), a transition metal chelator by Schowanek, Diederik, Feijtel, Tom C.J., Perkins, Christopher M., Hartman, Frederick A., Federle, Thomas W., Larson, Robert J.

“…An in-depth biodegradation test program was executed on the hexadentate ligand Ethylene Diamine Di Succinate (EDDS The EDDS structure contains two chiral…”
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Environmental fate and effects of DEEDMAC: A new rapidly biodegradable cationic surfactant for use in fabric softeners by Giolando, S.T., Rapaport, R.A., Larson, R.J., Federle, T.W., Stalmans, M., Masscheleyn, P.

“…This paper introduces the environmental safety database for a new fabric softening cationic surfactant, the di-(tallow fatty acid) ester of di-2-hydroxyethyl…”
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Effect of mineral and organic soil constituents on microbial mineralization of organic compounds in a natural soil by Knaebel, D.B. (University of Idaho, Moscow, ID.), Federle, T.W, McAvoy, D.C, Vestal, J.R

“…This research addressed the effect of mineral and organic soil constituents on the fate of organic compounds in soils. Specifically, it sought to determine how…”
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Removal of Fragrance Materials during U.S. and European Wastewater Treatment by Simonich, Staci L, Federle, Tom W, Eckhoff, William S, Rottiers, Andre, Webb, Simon, Sabaliunas, Darius, de Wolf, Watze

“…The concentrations and removals of 16 fragrance materials (FMs) were measured in 17 U.S. and European wastewater treatment plants between 1997 and 2000 and…”
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Mineralization of Linear Alkylbenzene Sulfonate by a Four-Member Aerobic Bacterial Consortium by JIMENEZ, L, BREEN, A, THOMAS, N, FEDERLE, T. W, SAYLER, G. S

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A simplified modeling approach using microbial growth kinetics for predicting exposure concentrations of organic chemicals in treated wastewater effluents by McAvoy, D.C., Grady, C.P.L., Blok, J., Feijtel, T.C.J., Federlel, T.W., Larson, R.J.

“…Various mathematical relationships have been used to assess exposure concentrations of organic chemicals when emissions occur via wastewater treatment. These…”
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Conversion of 5-fluorocytosine to 5-fluorouracil by human intestinal microflora by HARRIS, B. E, MANNING, B. W, FEDERLE, T. W, DIASIO, R. B

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Comprehensive Approach for Assessing the Kinetics of Primary and Ultimate Biodegradation of Chemicals in Activated Sludge:  Application to Linear Alkylbenzene Sulfonate by Federle, Thomas W, Itrich, Nina R

“…An approach has been devised for determining the kinetics of primary and ultimate biodegradation of chemicals under realistic conditions in activated sludge. A…”
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Microbial mineralization of organic compounds in an acidic agricultural soil: Effects of preadsorption to various soil constituents by Knaebel, David B., Vestal, J. Robie, Federle, Thomas W., McAvoy, Drew C.

“…This study investigated the interactions between organic chemicals and components of the soil matrix and their effects on subsequent microbial mineralization…”
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Fate and effects of triclosan in activated sludge by Federle, Thomas W., Kaiser, Sandra K., Nuck, Barbara A.

“…Triclosan (TCS; 5‐chloro‐2‐[2,4‐dichloro‐phenoxy]‐phenol) is a widely used antimicrobial agent. To understand its fate during sewage treatment, the…”
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Metabolism of the benzidine-based azo dye Direct Black 38 by human intestinal microbiota by MANNNG, B. W, CERNIGLIA, C. E, FEDERLE, T. W

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Fate of free and linear alcohol-ethoxylate-derived fatty alcohols in activated sludge by Federle, Thomas W., Itrich, Nina R.

“…Pure homologues of [1- 14C] C 12, C 14, and C 16 alcohols and the linear alcohol ethoxylates, AE [1- 14C alkyl] C 13E 9 and C 16E 9 were tested in a…”
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Mineralization of surfactants by the microbiota of submerged plant detritus by Federle, T.W. (Procter and Gamble Company, Cincinnati, OH), Ventullo, R.M

“…In wetlands and canopied bodies of water, plant detritus is an important source of carbon and energy. Detrital materials possess a large surface area for…”
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Effect of ethoxylate number and alkyl chain length on the pathway and kinetics of linear alcohol ethoxylate biodegradation in activated sludge by Itrich, Nina R., Federle, Thomas W.

“…Batch activated‐sludge die‐away studies were conducted with various pure homologs to determine the effect of ethoxylate number and alkyl chain length on the…”
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Composition and Thermal Properties of Membrane Lipids in Cryptoendolithic Lichen Microbiota from Antarctica by FINEGOLD, L, SINGER, M. A, FEDERLE, T. W, VESTAL, J. R

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Spatial Distribution of Microbial Biomass, Activity, Community Structure, and the Biodegradation of Linear Alkylbenzene Sulfonate (LAS) and Linear Alcohol Ethoxylate (LAE) in the Subsurface by Thomas W. Federle, Ventullo, Roy M., White, David C.

“…The vertical distribution of microbial biomass, activity, community structure and the mineralization of xenobiotic chemicals was examined in two soil profiles…”
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Effect of concentration and environmental form of tetradecenyl succinic acid on its mineralization in soil by SCHOWANEK, D. R, FEIJTEL, T. C. J, FEDERLE, T. W

“…Tetradecenyl succinic acid (TSA) is the major component of a detergent builder (C12-C14 alkenyl succinic acid), which is inherently biodegradable…”
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Mineralization of surfactants by microbiota of aquatic plants by Federle, T.W. (Procter and Gamble Company, Cincinnati, OH), Schwab, B.S

“…The biodegradation of linear alkylbenzene sulfonate; (LAS) and linear alcohol ethoxylate (LAE) by the microbiota associated with duckweed (Lemna minor) and the…”
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A framework for prioritizing fragrance materials for aquatic risk assessment by Salvito, Daniel T., Senna, Ronald J., Federle, Thomas W.

“…More than 2,100 chemically defined organic chemicals are listed in the Research Institute of Fragrance Materials/Flavor and Extract Manufacturers' Association…”
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Characterization and Distribution of Esterase Activity in Activated Sludge by Boczar, Barbara A., Forney, Larry J., Begley, William M., Larson, Robert J., Federle, Thomas W.

“…The location and activity of esterase enzymes in activated sludge from three municipal wastewater treatment plants were characterized using model substrates…”
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