Биология

Quantitative evaluation of enterococci and Bacteroidales released by adults and toddlers in marine water Samir M. Elmira,b, Tomoyuki Shibataa,c,d, Helena M. Solo-Gabrielea,e,*, Christopher D. Sinigallianoa,c, Maribeth L. Gidleya,c, Gary Millerb, Lisa R.W.

Quantitative evaluation of enterococci and Bacteroidales released by adults and toddlers in marine water Samir M. Elmira,b, Tomoyuki Shibataa,c,d, Helena M. Solo-Gabrielea,e,*, Christopher D. Sinigallianoa,c, Maribeth L. Gidleya,c, Gary Millerb, Lisa R.W. Planoa,f, Jonathan Kisha,g, Kelly Withuma, Lora E. Fleminga,b aNSF-NIEHS Oceans and Human Health Center, University of Miami, Rosenstiel School for Marine and Atmospheric Sciences, 4600 Rickenbacker Causeway, EG 211 Key Biscayne, FL 33149, USA bMiami-Dade County Health Department, 1725 NW 167 Street Miami, FL 33056, USA

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Distributions and activities of ammonia oxidizing bacteria and polyphosphate accumulating organisms in a pumped-flow biofilm reactor

Distributions and activities of ammonia oxidizing bacteria and polyphosphate accumulating organisms in a pumped-flow biofilm reactor Guangxue Wua,b, Michael Nielsena,*, Ketil Sorensena, Xinmin Zhana, Michael Rodgersa,b aDepartment of Civil Engineering, National University of Ireland, Galway, Ireland bNational Centre for Biomedical Engineering Science, National University of Ireland, Galway, Ireland a r t i c l e i n f o Article history: Received 14 January 2009 Received in revised form 3 July 2009 Accepted 7 July 2009 Published online 3 August 2009 Keywords: Pumped-flow biofilm reactor

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Influence of intermittent wetting and drying conditions on heavy metal removal by stormwater biofilters

Influence of intermittent wetting and drying conditions on heavy metal removal by stormwater biofilters Godecke-Tobias Bleckena,*, Yaron Zingerb, Ana Deletic ´b, Tim D. Fletcherb, Maria Viklandera aUrban Water, Department of Civil, Mining and Environmental Engineering, Lulea ˚ University of Technology, 971 87 Lulea ˚, Sweden bFacility for Advancing Water Biofiltration, Department of Civil Engineering, Monash University, Melbourne, Victoria 3800, Australia a r t i c l e i n f o Article history: Received 22 October 2008 Received in revised form 1 July 2009 Accepted 6 July 2009

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Importance of interactions between the water column and the sediment for microbial concentrations in streams Chris R. Rehmanna,*, Michelle L. Soupirb aDepartment of Civil, Construction, and Environmental Engineering, Iowa State University, Ames, IA 50011,

Importance of interactions between the water column and the sediment for microbial concentrations in streams Chris R. Rehmanna,*, Michelle L. Soupirb aDepartment of Civil, Construction, and Environmental Engineering, Iowa State University, Ames, IA 50011, USA bDepartment of Agricultural and Biosystems Engineering, Iowa State University, Ames, IA 50011, USA a r t i c l e i n f o Article history: Received 12 February 2009 Received in revised form 19 June 2009 Accepted 22 June 2009 Published online 27 June 2009 Keywords: Microbial fate Microbial transport Sediment Resuspension Deposition

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Evaluation of the metabolic diversity of microbial communities in four different filter layers of a constructed wetland with vertical flow by Biolog analysis S. Salomo*, C. Mu ¨nch, I. Ro ¨ske Dresden University of Technology, Department of Microbiology,

Evaluation of the metabolic diversity of microbial communities in four different filter layers of a constructed wetland with vertical flow by Biolog analysis S. Salomo*, C. Mu ¨nch, I. Ro ¨ske Dresden University of Technology, Department of Microbiology, 01062 Dresden, Germany a r t i c l e i n f o Article history: Received 26 January 2009 Received in revised form 3 August 2009 Accepted 6 August 2009 Published online 13 August 2009 Keywords: Rhizosphere Constructed wetland Community-level physiological profile (CLPP) Biolog Average well color development (AWCD) Principal component

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Modification of poly(vinylidene fluoride) ultrafiltration membranes with poly(vinyl alcohol) for fouling control in drinking water treatment

Modification of poly(vinylidene fluoride) ultrafiltration membranes with poly(vinyl alcohol) for fouling control in drinking water treatment Jennifer R. Du a,*, Sigrid Peldszus a, Peter M. Huck a, Xianshe Feng b a Department of Civil and Environmental Engineering, University of Waterloo, 200 University Ave, Waterloo, Ontario N2L 3G1, Canada b Department of Chemical Engineering, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada a r t i c l e i n f o Article history: Received 12 May 2009 Received in revised form 3 August 2009 Accepted 4 August 2009 Published online 9 August 2009

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PCB dechlorination enhancement in Anacostia River sediment microcosms

PCB dechlorination enhancement in Anacostia River sediment microcosms Valdis Krumins a, Joong-Wook Park b, Eun-Kyeu Son a, Lisa A. Rodenburg a, Lee J. Kerkhof c, Max M. Ha ¨ggblom b, Donna E. Fennell a,* a Department of Environmental Sciences, Rutgers, The State University of New Jersey, 14 College Farm Road, New Brunswick, NJ 08901, USA b Department of Biochemistry and Microbiology, Biotechnology Center for Agriculture and the Environment, Rutgers, The State University of New Jersey, 76 Lipman Drive, New Brunswick, NJ 08901, USA

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A modified Activated Sludge Model to estimate solids production at low and high solids retention time C. Lubello a,1, S. Caffaz b, R. Gori a,1, G. Munz a,* a Department of Civil and Environmental Engineering, University of Florence, Via S. Marta n.3, 5013

A modified Activated Sludge Model to estimate solids production at low and high solids retention time C. Lubello a,1, S. Caffaz b, R. Gori a,1, G. Munz a,* a Department of Civil and Environmental Engineering, University of Florence, Via S. Marta n.3, 50139 Florence, Italy b Publiacqua Spa, Via Villamagna 39, 50126 Florence, Italy a r t i c l e i n f o Article history: Received 28 February 2009 Received in revised form 27 July 2009 Accepted 2 August 2009 Published online 5 August 2009 Keywords: Activated Sludge Model (ASM) Hydrolysis kinetics Solids retention time (SRT) Sludge production

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Including the effects of filamentous bulking sludge during the simulation of wastewater treatment plants using a risk assessment model

Including the effects of filamentous bulking sludge during the simulation of wastewater treatment plants using a risk assessment model Xavier Flores-Alsina a,b, Joaquim Comas a,*, Ignasi Rodriguez-Roda a,c, Krist V. Gernaey d, Christian Rosen e a Laboratory of Chemical and Environmental Engineering, University of Girona, Montilivi Campus s/n, 17071 Girona, Spain b modelEAU, Department of Civil Engineering, University of Laval, Pavillon Adrien-Pouliot, 1065, avenue de la Me ´decine, Que ´bec G1V0A6, Canada

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Focused-Pulsed sludge pre-treatment increases the bacterial diversity and relative abundance of acetoclastic methanogens in a full-scale anaerobic digester

Focused-Pulsed sludge pre-treatment increases the bacterial diversity and relative abundance of acetoclastic methanogens in a full-scale anaerobic digester Husen Zhang a,*, James E. Banaszak b, Prathap Parameswaran a, Jared Alder b, Rosa Krajmalnik-Brown a, Bruce E. Rittmann a,** aCenter for Environmental Biotechnology, Biodesign Institute, Arizona State University, 1001 McAlister Ave, Tempe, AZ 85287, USA b OpenCEL, Glencoe, IL 60022, USA a r t i c l e i n f o Article history: Received 24 April 2009 Received in revised form 29 July 2009 Accepted 31 July 2009 Published online 5 August 2009

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