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Bacteria, Anaerobic (0):
Recent article
Bacteria, Anaerobic
Abstract
The aim of this present clinical and microbiological study was to evaluate the efficacy of the association of locally delivered 10% doxycycline hyclate (Atridox®) with scaling and root planing in the periodontal treatment of smokers.
Forty-five patients with chronic...
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PMID: 21594208
PDF is available here.
PDF is available here.
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Chemosphere (82)3 2011
Abstract
We studied metabolic responses to prolonged hypoxic acclimation (2 weeks at 5% O2) in control and Cd-exposed (30 d at 50 μg L(-1) Cd) oysters Crassostrea virginica, and analyzed the effects of these stressors on abundance of Vibrio spp. in oysters. Hypoxia-acclimated oysters retained normal standar...
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PMID: 20971492
PDF is available here.
PDF is available here.
Abstract
This case-controlled study examined clinical and microbiological parameters in Brazilian children and adolescents receiving orthodontic treatment using fixed orthodontic appliances or removable orthodontic appliances.
The plaque index, gingival index, number of decaye...
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PMID: 21344829
PDF is available here.
PDF is available here.
Abstract
Four simulated landfill bioreactors operating under different experimental conditions were evaluated in this study. The reactors were filled with the organic fraction of municipal solid wastes (MSW) and operated as: anaerobic, anaerobic with pH adjustment, semi-aerobic and intermittent aeration bior...
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PMID: 21121461
PDF is available here.
PDF is available here.
Waste Management (30)10 2010
Abstract
Inocula derived from an anaerobic digester were used to study (i) their potential for methane production and (ii) the utilisation rates of different short chain fatty acids (SCFAs) by the microbial community in defined media with mono-carbon sources (formic-, acetetic-, propionic-, butyric acid) in...
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PMID: 20558054
PDF is available here.
PDF is available here.
Waste Management (30)10 2010
Abstract
Anaerobic digestion is applied widely to treat the source collected organic fraction of municipal solid wastes (SC-OFMSW). Lipid-rich wastes are a valuable substrate for anaerobic digestion due to their high theoretical methane potential. Nevertheless, although fat, oil and grease waste from sewage...
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PMID: 20400285
PDF is available here.
PDF is available here.
Abstract
In order to lower the costs for second generation bioethanol from lignocellulosic biomass anaerobic digestion of the effluent from ethanol fermentation was implemented using an upflow anaerobic sludge blanket (UASB) reactor system in a pilot-scale biorefinery plant. Both thermophilic (53 degrees C)...
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PMID: 20506521
PDF is available here.
PDF is available here.
Clinical Immunology (136)3 2010
Abstract
We found the alterations of Paneth cells including abnormal Paneth cell granules and expression of lysozyme and defensin 5 in response to lymphocyte depletion by alemtuzumab. Lymphocyte depletion resulted in decreased expression of TNF-alpha, IFN-gamma, IL-10 and TGF-beta in the intestine. The diver...
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PMID: 20605528
PDF is available here.
PDF is available here.
Bioresource Technology (101)15 2010
Abstract
In this work, the influence of a low temperature (70-90 degrees C) thermal treatment on anaerobic digestion is studied. Not only the increase in biogas production is investigated, but attention is also paid to the solubilisation of the main organic (proteins, carbohydrates and volatile fatty acids)...
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PMID: 20335023
PDF is available here.
PDF is available here.
Bioresource Technology (101)15 2010
Abstract
Biogas production from anaerobic digestion (AD) of specified risk materials (SRM) co-digested with cattle manure was assessed in a 3 x 2 factorial design. SRM replaced manure at 0 (control), 10% or 25% (w/w) as the substrate fed to six 2-L biodigesters maintained at 37 degrees C or 55 degrees C. Dig...
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PMID: 20335029
PDF is available here.
PDF is available here.
Bioresource Technology (101)15 2010
Abstract
The anammox non-woven membrane reactor (ANMR) is a novel reactor configuration to culture the slowly growing anammox bacteria. Different mathematical models were used to study the process kinetics of the nitrogen removal in the ANMR. The kinetics of nitrogen gas production of anammox process was fir...
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PMID: 20346648
PDF is available here.
PDF is available here.
Bioresource Technology (101)15 2010
Abstract
We operated a low-rate (hydraulic retention time (HRT)=solids retention time (SRT)) continuously stirred anaerobic digester (CSAD) and a high-rate (SRT>HRT) anaerobic sequencing batch reactor (ASBR) in parallel for 250 days. We found that high-rate anaerobic digestion was beneficial for solids-rich...
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PMID: 20356733
PDF is available here.
PDF is available here.
Xenobiotica (40)6 2010
Abstract
The spleen tyrosine kinase (Syk) inhibitor R406 is orally administered as the prodrug R788. Following administration of R788 (12.5 mg kg(-1), 20 microCi kg(-1 14)C-R788) to intact and bile duct-cannulated cynomolgus monkeys, drug-related radioactivity was rapidly observed in plasma....
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PMID: 20415544
PDF is available here.
PDF is available here.
Waste Management (30)6 2010
Abstract
The main objective of this study was to assess the feasibility of treating sanitary landfill leachate using a combined anaerobic and activated sludge system. A high-strength leachate from Shiraz municipal landfill site was treated using this system. A two-stage laboratory-scale anaerobic digester un...
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PMID: 20194009
PDF is available here.
PDF is available here.
Abstract
Anaerobic bacteria are the predominant indigenous flora of humans and, as a result, play an important role in infections, some of which are serious with a high mortality rate. These opportunistic pathogens are frequently missed in cultures of clinical samples because of shortcomings in collection an...
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PMID: 20426496
PDF is available here.
PDF is available here.
Abstract
The bio-hydrogen generation potential of sugar industry wastes was investigated. In the first part of the study, acidogenic anaerobic culture was enriched from the mixed anaerobic culture (MAC) through acidification of glucose. In the second part of the study, glucose acclimated acidogenic seed was...
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PMID: 19962300
PDF is available here.
PDF is available here.
Abstract
Ceftaroline is a new broad-spectrum cephalosporin being developed for the treatment of serious bacterial infections, including those caused by aerobic Gram-positive and Gram-negative bacteria. The purpose of the present study was to investigate the effect of administration of ceftaroline on the inte...
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PMID: 20231399
PDF is available here.
PDF is available here.
Abstract
The hydrodynamic behaviour of UASB (Up Flow Anaerobic Sludge Blanket) reactors based on residence time distribution curves allows the implementation of global models, including the kinetic aspects of biological reactions. The most relevant hydrodynamic models proposed in the literature are discussed...
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PMID: 20540420
PDF is available here.
PDF is available here.
Abstract
The IWA Anaerobic Digestion Model No. 1 (ADM1) was used to simulate the full-scale anaerobic sludge digester of Ankara Central Wastewater Treatment Plant. The digester is a completely mixed, once through continuous flow type which is being fed with a primary and secondary sludge mixture. The variabi...
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PMID: 20540425
PDF is available here.
PDF is available here.
Abstract
This review presents our studies that investigated the effects of exposure to direct and indirect smoking on the colonization with pathogenic bacteria and organisms that interfere with their growth. The flora of smokers (S) contained less aerobic and anaerobic organisms with interfering capability a...
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PMID: 20129680
PDF is available here.
PDF is available here.
Abstract
Research examined the anaerobic degradation of 17 alpha-ethynylestradiol, acetaminophen, acetylsalicylic acid, ibuprofen, metoprolol tartrate, and progesterone by methanogenic bacteria. Using direct sample analysis and respirometric testing, anaerobic degradation was examined with (a) each compound...
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PMID: 20163824
PDF is available here.
PDF is available here.
Abstract
The presence of periodontal pockets was associated with a positive conversion of one or more metabolic components during the 4-year observation period (OR: 1.6; 95% CI: 1.1 to 2.2). The ORs for a positive conversion of one component and two or more components were 1.4 (95% CI: 1.0 to 2.1) and 2.2 (9...
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PMID: 20367094
PDF is available here.
PDF is available here.
Abstract
Our findings suggest that patients with CD have an increased prevalence and moderate severity of periodontitis. The colonization of periodontal pathogens, in particular Cr, might be of particular value for the periodontal manifestation of CD. Although a modulating impact on periodontal microbiota ca...
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PMID: 20373538
PDF is available here.
PDF is available here.
Abstract
Our in vitro antimicrobial susceptibility results for CEM-101 demonstrate better activity compared with other MLS(B) class agents among a diverse group of uncommonly isolated bacterial pathogens; these results provide an impetus for possible expanded indications during Phase 2 and 3 clinical trials....
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PMID: 20022192
PDF is available here.
PDF is available here.
Abstract
Abstract
There were no statistically significant differences between groups for any of the species. The platform-switching group showed a small trend for lower levels of early colonizer members of the Actinomyces, purple and yellow complexes, Campylobacter species, Tannerella forsythia (previously T. forsyth...
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PMID: 20192867
PDF is available here.
PDF is available here.
Abstract
Lipids inhibition and their degradation in dairy wastewater treatment were investigated in this study. A two-phase system, composed of an acidogenic continuously stirred tank reactor (CSTR) and a methanogenic upflow anaerobic sludge blanket (UASB) reactor, was compared with the single-phase system o...
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PMID: 20369571
PDF is available here.
PDF is available here.
Abstract
Alternative design of a hybrid biofilm reactor was developed and evaluated experimentally in this article, aimed to minimize a suspended solid in the effluent and to manage an excess sludge produced in a membrane bioreactor (MBR) system. A hybrid vertical anaerobic sludge-aerated biofilm reactor (Hy...
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PMID: 20369572
PDF is available here.
PDF is available here.
Abstract
A novel, obligately anaerobic, extremely thermophilic, cellulolytic bacterium, designated OB47(T), was isolated from Obsidian Pool, Yellowstone National Park, WY. The isolate was a nonmotile, non-spore-forming, Gram-positive rod approximately 2 microm long by 0.2 microm wide and grew at temperatures...
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PMID: 20023107
PDF is available here.
PDF is available here.
British Journal of Nutrition (103)3 2010
Abstract
A new in vitro fermentation model with immobilised infant faecal microbiota simulating the proximal colon of a formula-fed baby was developed and used to test the effects of known prebiotic fructans. Intestinal fermentation, based on a previously developed colonic fermentation model, using a new fee...
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PMID: 19751535
PDF is available here.
PDF is available here.
Microbiology (156)Pt 2 2010
Abstract
We utilized in vitro assays to compare three virulence properties of G. vaginalis relative to other BV-associated anaerobes. We designed a viable assay to analyse bacterial adherence to vaginal epithelial cells, we compared biofilm-producing capacities, and we assessed cytotoxic activity. Of the BV-...
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PMID: 19910411
PDF is available here.
PDF is available here.
Abstract
The purpose of this study was to compare the antimicrobial activity of a plant-derived extract (2 percent Rosa damascena extract) with 5.25 percent sodium hypochlorite (NaOCl) and 2 percent chlorhexidine (CHX) on selected endodontic pathogens. The minimum inhibitory concentrations (MICs) of 2 percen...
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PMID: 20232691
PDF is available here.
PDF is available here.
Abstract
We evaluated the composition of the microbiota of supra- and subgingival plaque samples collected from 75 adult subjects with different drinking habits (drinkers of coffee, red wine, or water for at least 2 years) by analyzing the microbial population through the separation of PCR-amplified fragment...
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PMID: 19955272
PDF is available here.
PDF is available here.
Abstract
Polybrominated diphenyl ethers (PBDEs) have attracted attention recently due to their proven adverse effects on animals and their increasing concentrations in various environmental media and biota. To gain insight into the fate of PBDEs, microcosms established with soils and sediments from 28 locati...
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PMID: 20008168
PDF is available here.
PDF is available here.
Abstract
We are summarizing our experimental results given by pharmaceutical and microbiological optimalization of artificial tears. The incidental adaptability of povidone-iodine (PVP-I) as a preservative in artificial tears was examined compared to usually used materials. Some artificial tears (Oculogutta...
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PMID: 20684379
PDF is available here.
PDF is available here.
Abstract
Low plaque and gingival scores were common on anterior surfaces, in contrast to greater frequencies of higher PI and GI scores on the posterior regions or the entire dentition. Correspondingly, mean scores for PI and GI were significantly lower among the anterior surfaces in comparison to all other...
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PMID: 20527507
PDF is available here.
PDF is available here.
Journal of Environmental Science and Health, Part A: Toxic/Hazardous Substances & Environmental Engineering (45)7 2010
Abstract
This work presents the effect of ammonia nitrogen concentration and zeolite addition on the specific methanogenic activity (SMA) of different anaerobic sludges with various physical structures (granular and flocculent), operating in batch conditions. Piggery, malting production and urban sludges der...
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PMID: 20419585
PDF is available here.
PDF is available here.
Journal of Environmental Science and Health, Part B: Pesticides, Food Contaminants and Agricultural Wastes (45)1 2010
Abstract
Methanogenic granular sludge and wastewater fermented sludge were used as inocula for batch tests of anaerobic bioremediation of chlorinated pesticide contaminated soil. Results obtained for both types of biomass were similar: 80 to over 90% of gamma -hexachlorocyclohexane (gamma-HCH), 1,1,1-trichlo...
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PMID: 20390935
PDF is available here.
PDF is available here.
Pediatric Annals (39)1 2010
Abstract
Abstract
Large volumes of saline (> 2% w/v NaCl) wastewaters are discharged from many industries; e.g. seafood processing, textile dyeing, oil and gas production, tanneries and drinking water treatment processes. Although anaerobic treatment would be the most cost-effective and sustainable technology for the...
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PMID: 20662390
PDF is available here.
PDF is available here.
Abstract
Antibacterial efficacy of formocresol, 2% gluteraldehyde and iodine-potassium iodide was assessed by obtaining cultures at consecutive appointments in multiple visit pulpectomies in primary molars. Formocresol and 2% gluteraldehyde were more effective as intracanal medicaments and caused significant...
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PMID: 20215667
PDF is available here.
PDF is available here.
Abstract
This work aims to describe the effect of the feeding regime of anaerobic activity tests on the limit viscosity (mu(lim)) evolution of the granules. Batch experiments were performed with 3 different sources of substrate: acetate, peptone, and glucose. Despite, the substrate origin was shown to affect...
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PMID: 20595763
PDF is available here.
PDF is available here.
Abstract
Anaerobic ammonium oxidation (anammox) is a novel nitrogen pathway catalyzed by anammox bacteria which are obligate anaerobic chemoautotrophs. In this study, enrichment culture of marine anammox bacteria (MAAOB) from the samples related to seawater was conducted. Simultaneous removal of ammonium and...
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PMID: 20057097
PDF is available here.
PDF is available here.
Abstract
Glycolysis has been generally accepted to be the source of reducing power used for the synthesis of polyhydroxyalkanoates (PHAs) in the anaerobic metabolism of polyphosphate accumulating organisms (PAOs). However, the tricarboxylic acid cycle (TCA) has also been suggested to contribute to the genera...
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PMID: 20371922
PDF is available here.
PDF is available here.
Abstract
This study systematically investigated the metabolism of pentachlorophenol (PCP) in batch experiments using coupled sludge granules under various dissolved oxygen concentrations. Results indicated that the oxygen condition in serum bottles has a significant effect on the microorganism metabolism. A...
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PMID: 20371948
PDF is available here.
PDF is available here.
Abstract
Deammonification is known as an efficient and resource saving sidestream process option to remove the nitrogen load from sludge liquors. The transfer of the intermediate product nitrite between both syntrophic groups of organisms - aerobic and anaerobic ammonia oxidizers (AOB) - appears very sensiti...
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PMID: 20388987
PDF is available here.
PDF is available here.
Abstract
For culture, isolation and determination of susceptibility of anaerobic pathogens in human microbiology, crucial is the quality of bacteriological culture media for this type of testing. Since anaerobic bacteria are difficult to culture and anaerobic infections are potentially serious, careful atten...
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PMID: 20077397
PDF is available here.
PDF is available here.
Journal of wound care (18)10 2009
Abstract
Using our previously defined Lubbock Chronic Wound Biofilm (LCWB) model combined with quantitative PCR, anaerobic bacteria were shown to proliferate through integration into the biofilm under aerobic conditions. Using electron microscopy we show close association between aerobes and anaerobes within...
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PMID: 19816382
PDF is available here.
PDF is available here.
Abstract
The seven isolates were rod-shaped, Gram-negative, obligate anaerobe, and spores formation was not observed. All strains could grow well at 70 degrees C. Growth of strain RH0802 occurred between 60 and 80 degrees C, optimally around 70 degrees C. The pH range for its growth was between 5.5 and 8.5,...
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PMID: 20030064
PDF is available here.
PDF is available here.
Southern Medical Journal (102)9 2009
Abstract
Choice of antibiotic treatment for HATE should be based on the etiology of the pleural infection. In treating HAP-related empyema, antibiotics should cover aerobic Gram-negative, polymicrobial, and anaerobic pathogens....
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PMID: 19668024
PDF is available here.
PDF is available here.
Biotechnology Letters (31)9 2009
Abstract
In order to treat the kitchen wastes and produce hydrogen, anaerobic fermentation technology was used in this experiment. The results showed that the fermentation type changed from mixed acid fermentation to ethanol fermentation in a continuous stirred tank reactor (CSTR) 22 days after start-up. The...
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PMID: 19466560
PDF is available here.
PDF is available here.
Abstract
The Rayon grade pulp (RGP) drain effluent of pulp and paper mill was studied to find out pollutant loading and its control measures by low cost and efficient treatment method. Upflow anaerobic fixed packed bed reactor (UAFPBR) with brick ballasts as packing material was used for this purpose. This w...
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PMID: 20136046
PDF is available here.
PDF is available here.
Environmental Science (30)8 2009
Abstract
An expanded granular sludge bed reactor (EGSB) was employed to evaluate the start-up process of fermentative biohydrogen production from compost leachate. The removal performance of COD, total nitrogen, total phosphorus in leachate as well as the hydrogen production ability of EGSB was investigated....
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PMID: 19799322
PDF is available here.
PDF is available here.
Environmental Science (30)8 2009
Abstract
In order to realize the combination of "low oxygen limited filamentous sludge bulking" and short cut nitrification,the startup method of short cut nitrification and the maintenance strategies of sludge settleability were investigated under limited filamentous sludge bulking condition by using sequen...
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PMID: 19799293
PDF is available here.
PDF is available here.
Abstract
There appears to be no need to routinely culture quinsy aspirates, based upon our findings (of 16 hospital years) and previous studies (which found no recorded episodes of treatment change as a result of culture sensitivities). The combination of penicillin or a cephalosporin, plus metronidazole app...
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PMID: 19054429
PDF is available here.
PDF is available here.
Using a pulsed electric field as a pretreatment for improved biosolids digestion and methanogenesis.
Abstract
These results support the conclusion that PEF pretreatment before anaerobic digestion has the potential to significantly improve digester performance, resulting in added methane production and decreased residual biosolids....
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PMID: 19774860
PDF is available here.
PDF is available here.
Abstract
The objective of this study was to identify methods for estimating anaerobic digestibility of waste activated sludge (WAS). The WAS streams were generated in three sequencing batch reactors (SBRs) treating municipal wastewater. The wastewater and WAS properties were initially determined through simu...
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PMID: 19774853
PDF is available here.
PDF is available here.
Journal of Biotechnology (142)2 2009
Abstract
The microbial reductive dechlorination of chlorinated solvents is a redox reaction in which the chlorinated carbon receives electrons from a suitable electron donor. Hexachloro-1,3-butadiene (HCBD) is a particularly recalcitrant chlorinated solvent. Its slow, cyanocobalamin-dependent...
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PMID: 19447513
PDF is available here.
PDF is available here.
Abstract
High DO was beneficial to AOB and NOB. The population of both AOB and NOB were higher in activated sludge than biofilm samples. High DO had the directly influence on ANAMMOX population whereas low DO had the inhibitory effect of ANAMMOX activity if the system was lack of NO3- and NO2-. CONCLUSION: D...
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PMID: 19673413
PDF is available here.
PDF is available here.
Medicina Clínica (132)19 2009
Abstract
In the Critical Care Unit, it would be possible to change the anaerobic blood cultures by aerobic ones to diagnose bacteraemias of intrahospitalary acquisition. This fact should be analyzed with others studies....
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PMID: 19368938
PDF is available here.
PDF is available here.