The anaerobic biodegradation of diethanolamine by a nitrate reducing bacterium.

abstract：:Covalent immobilization of Aspergillus awamori NRRL 3112 was conducted onto modified polyacrylonitrile membrane with glutaraldehyde as a coupling agent. The polymer carrier was preliminarily modified in an aqueous solution of NaOH and 1,2-diaminoethane. The content of amino groups was determined to be 0.58 mgeq g(-1)....

journal_title：Biodegradation

authors： Yordanova G,Ivanova D,Godjevargova T,Krastanov A

更新日期：2009-09-01 00:00:00

abstract：:The application of biocides is a traditional method of controlling biodecay of outdoor cultural heritage. Chlorophyll degradation to phaeopigments is used to test the biocidal efficacy of the antimicrobial agents. In the present study, the usefulness of color measurements in estimating chlorophyll degradation was inve...

journal_title：Biodegradation

authors： Sanmartín P,Villa F,Silva B,Cappitelli F,Prieto B

更新日期：2011-07-01 00:00:00

abstract：:The biosorption equilibrium isotherms of Ni(II) onto marine brown algae Lobophora variegata, which was chemically-modified by CaCl(2) were studied and modeled. To predict the biosorption isotherms and to determine the characteristic parameters for process design, twenty-three one-, two-, three-, four- and five-paramet...

journal_title：Biodegradation

authors： Basha S,Jaiswar S,Jha B

更新日期：2010-09-01 00:00:00

abstract：:A gene probe for the detection of polycyclic aromatic hydrocarbon (PAH) induced nidB and nidA dioxygenase genes has been designed from Mycobacteria JLS, KMS, and MCS. The probe detects a catabolic gene involved in the initial steps of PAH biodegradation in mycobacteria. The gene probe is comprised of three PCR primer ...

journal_title：Biodegradation

authors： Hall K,Miller CD,Sorensen DL,Anderson AJ,Sims RC

更新日期：2005-10-01 00:00:00

abstract：:Continuous bioremediation of gasoline-contaminated water in a packed-bed biobarrier system under oxygen-limited conditions is discussed. This study was part of an extensive effort to develop an alternative technology for the in situ bioremediation of hydrocarbons where there is a limited supply of oxygen. Protruded st...

journal_title：Biodegradation

authors： Yerushalmi L,Manuel MF,Guiot SR

更新日期：1999-01-01 00:00:00

abstract：:A field-scale fixed bed bioreactor was used to successfully treat an MTBE-contaminated aquifer in North Hollywood, CA without requiring inoculation with introduced bacteria. Native bacteria from the MTBE-impacted aquifer rapidly colonized the bioreactor, entering the bioreactor in the contaminated groundwater pumped f...

journal_title：Biodegradation

authors： Hicks KA,Schmidt R,Nickelsen MG,Boyle SL,Baker JM,Tornatore PM,Hristova KR,Scow KM

更新日期：2014-02-01 00:00:00

abstract：:A strip of tread compound cut from a truck tire was degraded only slightly when it was used as the sole growth substrate for a strain of Nocardia. On the contrary, its degradation was markedly enhanced by addition of a strip cut from a latex glove which the organism readily utilized as a growth substrate. When a glove...

journal_title：Biodegradation

authors： Tsuchii A,Takeda K,Tokiwa Y

更新日期：1996-01-01 00:00:00

abstract：:The initial formation of biofilm and the removal performance of pollutants in biological pretreatment process for polluted raw water were limited due to the oligotrophic niche in raw water. In this study, the feasibility of using pre-inoculation biofilm formed under nutrients enhanced condition for polluted raw water ...

journal_title：Biodegradation

authors： Yang GF,Feng LJ,Guo CR,Xia T,Xu XY,Zhu L

更新日期：2017-02-01 00:00:00

abstract：:Hydroxyquinol, a common metabolite of aromatic compounds, is readily auto-oxidized to hydroxyquinone. Enzymatic activities that metabolized hydroxyquinone were observed from the cell extracts of Sphingobium chlorophenolicum ATCC 39723. An enzyme capable of transforming hydroxyquinone was partially purified, and its ac...

journal_title：Biodegradation

authors： Bohuslavek J,Chanama S,Crawford RL,Xun L

更新日期：2005-08-01 00:00:00

abstract：:Aerosol delivery was evaluated for distributing biostimulation and bioaugmentation amendments in vadose zones. This technique involves transporting amendments as micron-scale aerosol droplets in injected gas. Microcosm experiments were designed to characterize reductive dechlorination of trichloroethene (TCE) under un...

journal_title：Biodegradation

authors： Hall RJ,Murdoch LC,Freedman DL,Looney BB,Riha BD

更新日期：2015-04-01 00:00:00

abstract：:Reductive dechlorination is an advantageous process to microorganisms under anaerobic conditions because it is an electron sink, thereby allowing reoxidation of metabolic intermediates. In some organisms this has been demonstrated to support growth. Many chlorinated compounds have now been shown to be reductively dech...

journal_title：Biodegradation

authors： Tiedje JM,Quensen JF 3rd,Chee-Sanford J,Schimel JP,Boyd SA

更新日期：1993-01-01 00:00:00

abstract：:Oxygenation reactions significantly alter the energy and electron flows and, consequently, the overall stoichiometry for the microbial utilization of aromatic compounds. Oxygenation reactions do not yield a net release of electrons, but require an input of electrons to reduce oxygen molecules. The biodegradation pathw...

journal_title：Biodegradation

authors： Woo SH,Rittmann BE

更新日期：2000-01-01 00:00:00

abstract：:The enzymatic mechanism for the transformation of organophosphorus pesticides (OPPs) by different white-rot fungi strains was studied. With the exception of Ganoderma applanatum 8168, all strains from a collection of 17 different fungi cultures were able to deplete parathion. Three strains showing the highest activiti...

journal_title：Biodegradation

authors： Jauregui J,Valderrama B,Albores A,Vazquez-Duhalt R

更新日期：2003-12-01 00:00:00

abstract：:From long-term chemostat experiments, variants of Pseudomonas aeruginosa JB2 were obtained which exhibited altered properties with respect to the metabolism of 2,5-dichlorobenzoic acid (2,5-DBA). Thus, unlike the original strain JB2-WT, strain JB2-var1 is able to grow in continuous culture on 2,5-DBA as the sole limit...

journal_title：Biodegradation

authors： van der Woude BJ,Gottschal JC,Prins RA

更新日期：1995-01-01 00:00:00

abstract：:Anaerobic pretreated paper process water was characterized in terms of readily biodegradable, slowly biodegradable, very slowly biodegradable and inert wastewater fractions under mesophilic and thermophilic conditions. The anaerobic pretreated paper process water contained a relatively high amount of slowly biodegrada...

journal_title：Biodegradation

authors： Vogelaar JC,Klapwijk B,van Lier JB,Lettinga G

更新日期：2002-01-01 00:00:00

abstract：:Methanol-oxidizing bacteria may play an important role in the development and use of biological treatment systems for the removal of methanol from industrial effluents. Optimization of methanol degradation potential in such systems is contingent on availability of nutrients, such as nitrogen, in the most favorable for...

journal_title：Biodegradation

authors： Babbitt CW,Lindner AS

更新日期：2011-04-01 00:00:00

abstract：:In recent years, several strains capable of degrading 1,4-dioxane have been isolated from the genera Pseudonocardia and Rhodococcus. This study was conducted to evaluate the 1,4-dioxane degradation potential of phylogenetically diverse strains in these genera. The abilities to degrade 1,4-dioxane as a sole carbon and ...

journal_title：Biodegradation

authors： Inoue D,Tsunoda T,Sawada K,Yamamoto N,Saito Y,Sei K,Ike M

更新日期：2016-11-01 00:00:00

abstract：:The use of anaerobic processes to treat low-strength wastewater has been increasing in recent years due to their favourable performance-costs balance. For optimal results, it is necessary to identify reactor configurations that are best suited for this kind of application. This paper reports on the comparative study c...

journal_title：Biodegradation

authors： Sevilla-Espinosa S,Solórzano-Campo M,Bello-Mendoza R

更新日期：2010-09-01 00:00:00

abstract：:This work is focused on the evaluation of a beta-cyclodextrin polymer as a carrier medium in a fluidized bed bioreactor treating aqueous phenol as a model pollutant. The insoluble polymer support was obtained in the shape of spherical beads by crosslinking beta-cyclodextrin with epichlorohydrin. A batch of swollen pol...

journal_title：Biodegradation

authors： Sevillano X,Isasi JR,Peñas FJ

更新日期：2008-07-01 00:00:00

abstract：:The pathway of anaerobic acetone degradation by the denitrifying bacterial strain BunN was studied by enzyme measurements in extracts of anaerobic acetone-grown cells. An ADP- and MgCl2-dependent decarboxylation of acetoacetate was detected which could not be found in cell-free extracts of acetate-grown cells. It is c...

journal_title：Biodegradation

authors： Platen H,Schink B

更新日期：1990-01-01 00:00:00

abstract：:Two stage statistical design was used to optimize xylanase production from Bacillus pumilus ASH under solid-state fermentation. Initially, Plackett-Burman designing (PB) was used for the selection of crucial production parameters. Peptone, yeast extract, incubation time, moisture level and pH were found to be the cruc...

journal_title：Biodegradation

authors： Garg G,Mahajan R,Kaur A,Sharma J

更新日期：2011-11-01 00:00:00

abstract：:Pseudomonas sp. strain WBC-3 utilizes para-nitrophenol (PNP) as a sole source of carbon, nitrogen and energy. PnpA (PNP 4-monooxygenase) and PnpB (para-benzoquinone reductase) were shown to be involved in the initial steps of PNP catabolism via hydroquinone. We demonstrated here that PnpA also catalyzed monooxygenatio...

journal_title：Biodegradation

authors： Wei M,Zhang JJ,Liu H,Zhou NY

更新日期：2010-11-01 00:00:00

abstract：:The performance of diesel oil degradation by Candida tropicalis immobilized on various conventional matrices (sodium alginate, carboxyl methyl cellulose, chitosan) and biowaste materials (wheat bran, sawdust, peanut hull powder) was investigated using the method of entrapment and physical adsorption. The yeast species...

journal_title：Biodegradation

authors： Chandran P,Das N

更新日期：2011-11-01 00:00:00

abstract：:Carbon supplementation, soil moisture and soil aeration are believed to enhance in situ bioremediation of PAH-contaminated soils by stimulating the growth of indigenous microorganisms. However, the effects of added carbon and nitrogen together with soil moisture and soil aeration on the dissipation of PAHs and on asso...

journal_title：Biodegradation

authors： Teng Y,Luo Y,Ping L,Zou D,Li Z,Christie P

更新日期：2010-04-01 00:00:00

abstract：:Biosorption is an effective means of removal of heavy metals from wastewater. In this work the biosorption behavior of Cladophora fascicularis was investigated as a function of pH, amount of biosorbent, initial Cu2+ concentration, temperature, and co-existing ions. Adsorption equilibria were well described by Langmuir...

journal_title：Biodegradation

authors： Deng L,Zhu X,Wang X,Su Y,Su H

更新日期：2007-08-01 00:00:00

abstract：:The organophosphorous pesticide, demeton-S-methyl was transformed by Corynebacterium glutamicum in co-metabolism with more readily degradable substrates. Glucose, acetate and fructose were tested as growth substrates, and the highest demeton-S-methyl biotransformation average rate (0.78 mg l(-1) h(-1)) and maximum ins...

journal_title：Biodegradation

authors： Girbal L,Rols JL,Lindley ND

更新日期：2000-01-01 00:00:00

abstract：:A Monte Carlo model was developed to characterize the molecular composition of polychlorinated alkane mixtures. The model is based upon a simulation of the free-radical chlorination process by which polychlorinated alkane mixtures are produced industrially from n-alkanes. In the model, the free-radical chlorination re...

journal_title：Biodegradation

authors： Jensen SR,Brown WA,Heath E,Cooper DG

更新日期：2007-12-01 00:00:00

abstract：:The white rot fungus Phanerochaete chrysosporium, which generally mineralizes substituted aromatics to CO2, transformed linear alkylbenzene sulfonate (LAS) surfactants mainly at their alkyl side chain. Degradation of LAS was evidenced by a zone of clearing on LAS-containing agar plates and colorimetric analysis of liq...

journal_title：Biodegradation

authors： Yadav JS,Lawrence DL,Nuck BA,Federle TW,Reddy CA

更新日期：2001-01-01 00:00:00

abstract：:This paper presents results on anaerobic degradation of the azo dye blue HFRL in a bench scale Upflow anaerobic sludge blanket (UASB) reactor operated at ambient temperature. The results show that the addition of yeast extract (500 mg/L) increased color removal (P < 0.05) from 62 to 93% despite the low chemical oxygen...

journal_title：Biodegradation

authors： Baêta BE,Aquino SF,Silva SQ,Rabelo CA

更新日期：2012-04-01 00:00:00

abstract：:The need for aeration of microcosms during mineralization of 14C-labeled compounds in high oxygen demand environments was assessed using active compost-soil mixtures as the model system. Rapid mineralization of 14C-hexadecane occurred in continuously aerated microcosms while no mineralization occurred in unaerated mic...

journal_title：Biodegradation

authors： Haderlein A,Bonin Aly-Hassan MC,Legros R,Ramsay BA

更新日期：1999-01-01 00:00:00