Search Results - "GUCKERT, J. B"

Structure of Microbial Communities in Activated Sludge: Potential Implications for Assessing the Biodegradability of Chemicals by Forney, L.J., Liu, W.-T., Guckert, J.B., Kumagai, Y., Namkung, E., Nishihara, T., Larson, R.J.

“…Various methods used to assess the biodegradability of chemicals often employ activated sludge as an inoculum since chemicals that ultimately enter the…”
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Phospholipid ester-linked fatty acid profile changes during nutrient deprivation of Vibrio cholerae: increases in the trans/cis ratio and proportions of cyclopropyl fatty acids by GUCKERT, J. B, HOOD, M. A, WHITE, D. C

“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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Community analysis by Biolog: curve integration for statistical analysis of activated sludge microbial habitats by Guckert, James B., Carr, Gregory J., Johnson, Troy D., Hamm, Burt G., Davidson, Daniel H., Kumagai, Yoshiharu

“…Biolog MicroPlates are 96-well plates that contain pre-dried carbon sources and a tetrazolium violet redox dye that turns purple if added microorganisms…”
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An evaluation of periphyton community structure and function on tile and cobble substrata in experimental stream mesocosms by LOWE, R. L, GUCKERT, J. B, BELANGER, S. E, DAVIDSON, D. H, JOHNSON, D. W

“…Periphyton communities are an ecologically important source of information when conducting experimental stream ecotoxicological studies. Experimental stream…”
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Effect of nutrient deprivation on lipid, carbohydrate, DNA, RNA, and protein levels in Vibrio cholerae by HOOD, M. A, GUCKERT, J. B, WHITE, D. C, DECK, F

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Responses of aquatic communities to 25-6 alcohol ethoxylate in model stream ecosystems by Belanger, S.E, Guckert, J.B, Bowling, J.W, Begley, W.M, Davidson, D.H, LeBlanc, E.M, Lee, D.M

“…A model stream ecosystem evaluation of the non-commercial alcohol ethoxylate 25-6 alcohol ethoxylate (AE) was performed in 1994. Algal, heterotrophic…”
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Environmental chemistry for a surfactant ecotoxicology study supports rapid degradation of C12-alkyl sulfate in a continuous-flow stream mesocosm by GUCKERT, J. B, WALKER, D. D, BELANGER, S. E

“…In autumn 1991, an ecotoxicological study was carried out at the Procter and Gamble Experimental Stream Facility (ESF) in Ohio U.S.A. to evaluate the…”
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Archaebacterial ether lipid diversity analyzed by supercritical fluid chromatography : integration with a bacterial lipid protocol by HEDRICK, D. B, GUCKERT, J. B, WHITE, D. C

“…A strategy has been developed for archaebacterial lipid analysis which provides three times the information to describe archaebacterial isolates and is…”
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Fourier transform-infrared spectroscopic methods for microbial ecology: analysis of bacteria, bacteria-polymer mixtures and biofilms by Nichols, P D, Henson, J M, Guckert, J B, Nivens, D E, White, D C

“…Fourier transform-infrared (FT-IR) spectroscopy has been used to rapidly and nondestructively analyze bacteria, bacteria-polymer mixtures, digester samples and…”
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Seasonal temperature declines do not decrease periphytic surfactant biodegradation or increase algal species sensitivity by Lee, David M., Guckert, James B., Belanger, Scott E., Feijtel, Tom C.J.

“…The effects of seasonally decreasing river water temperature on surfactant biodegradation and algal sensitivity are reviewed from four stream mesocosm studies…”
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Effect of electrochemical impedance spectroscopy on microbial biofilm cell numbers, viability, and activity by FRANKLIN, M. J, NIVENS, D. E, GUCKERT, J. B, WHITE, D. C

“…Electrochemical techniques are increasingly being used in microbiologically influenced corrosion (MIC) studies to gain a better understanding of the effects of…”
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Microbial food resources of the macrofaunal-deposit feeder Ptychodera bahamensis (Hemichordata: Enteropneusta) by Dobbs, Fred C., Guckert, James B.

“…Biochemical and traditional analyses were used to characterize the microbial food resources and digestive efficiency of Ptychodera bahamensis, an enteropneust…”
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Molecular and Isotopic Tracers Used to Examine Sources of Organic Matter and its Incorporation Into the Food Webs of San Francisco Bay by Canuel, Elizabeth A., Cloern, James E., Ringelberg, David B., Guckert, James B., Rau, Greg H.

“…Multiple indicators (Chl a, C:N ratios, $[\delta^13C]POC$, and two classes of lipid biomarker compounds-sterols and phospholipid ester-linked fatty acids) were…”
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Comparison of three techniques for administering radiolabeled substrates to sediments for trophic studies: uptake of label by harpacticoid copepods by CARMAN, K. R, DOBBS, F. C, GUCKERT, J. B

“…The uptake of radioactivity by the harpacticoid copepods Heteropsyllus nunni and Thompsonula hyaenae was compared using 3 methods of radio-active label…”
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Comparison of Three Techniques for Administering Radiolabeled Substrates to Sediments for Trophic Studies: Incorporation by Microbes by Dobbs, Fred C., Guckert, James B., Carman, Kevin R.

“…Three principal methods have been used to administer substrates to sediments: injection, porewater replacement, and slurry. Here we assess how each of these…”
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Comparison of activated sludge microbial communities using Biolog™ MicroPlates by Kaiser, S.K., Guckert, J.B., Gledhill, D.W.

“…Laboratory models of wastewater treatment plants (WWTP) provide controlled systems for studying chemical biodegradability and removal as well as WWTP microbial…”
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Toxicity assessment by community analysis by Guckert, James B.

“…Toxicity assessments are conducted to determine the potential for environmental effects of commercial chemicals. Assessments made with single species testing…”
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Comparison of activated sludge microbial communities using biologTM microplates by Kaiser, S. K., Guckert, J. B., Gledhill, D. W.

“…Laboratory models of wastewater treatment plants (WWTP) provide controlled systems for studying chemical biodegradability and removal as well as WWTP microbial…”
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Laboratory study of disturbance in marine sediments: response of a microbial community by Findlay, Robert H., Trexler, Melanie B., Guckert, James B., White, David C.

“…Disturbance has been shown to be an important component of the ecology of soft-bottom macrobenthic and meiobenthic marine communities. Its importance in the…”
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Disturbance, starvation, and overfeeding stresses detected by microbial lipid biomarkers in high-solids high-yield methanogenic reactors by Hedrick, David B., Richards, Brian, Jewell, William, Guckert, James B., White, David C.

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