Results 211 to 220 of about 574,168 (266)

Comparative Evaluation of Anti-microbial Activity of Herbal, Homeopathic, and Conventional Dentifrices Against Oral Microflora Using the Disc Diffusion Method: An In Vitro Study. [PDF]

Cureus
K M, S D, P S, S D, B S, G N, Agarwal R, G G, R S.   +8 more
europepmc   +1 more source

Green Synthesis of Ganoderma Lucidum-Mediated Silver Nanoparticles and its Microbial Activity against Oral Pathogenic Microbes: An In Vitro Study.

J Pharm Bioallied Sci
Parameswari BD, Rajakumar M, Hariharan A, Kumar S, Mohamed K, Ballal S.   +5 more
europepmc   +1 more source

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Microbial activity in the landfill soil

Applied Biochemistry and Microbiology, 2012
The research objective was to determine the activity of microorganisms in the soil exposed to direct influence of a landfill, as well as in the soil beyond its influence. Fluorescein diacetate (FDA) hydrolytic activity and respiration in the soil were determined. The highest number of cultivated bacteria was recorded at the site located within the zone
M Swiontek, Brzezinska, A, Burkowska, M, Walczak   +2 more
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Microbial Activity at Gigapascal Pressures

Science, 2002
We observed physiological and metabolic activity of Shewanella oneidensis strain MR1 and Escherichia coli strain MG1655 at pressures of 68 to 1680 megapascals (MPa) in diamond anvil cells. We measured biological formate oxidation at high pressures (68 to 1060 MPa).
Anurag, Sharma, James H, Scott, George D, Cody, Marilyn L, Fogel, Robert M, Hazen, Russell J, Hemley, Wesley T, Huntress   +6 more
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Microbial activity in weathering columns

Journal of Hazardous Materials, 2007
The aim of the present work was to evaluate the metabolic activity of the microbial population associated with a pyritic tailing after a column-weathering test. For this purpose, a column 150cm high and 15cm diameter was used. The solid was a tailing with 63.4% pyrite and with minor amounts of Cu, Pb and Zn sulfides (1.4, 0.5 and 0.8%, respectively ...
C, García, A, Ballester, F, González, M L, Blázquez   +3 more
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Exploring the polyurethanolytic activity and microbial composition of landfill microbial communities

Applied Microbiology and Biotechnology, 2021
The microbial composition of polyurethane degrading communities has been barely addressed, and it is unknown if microenvironmental conditions modify its composition, affecting its biodegradative capacity. The polyurethanolytic activity and taxonomic composition of five microbial communities, selected by enrichment in the polyether-polyurethane-acrylic (
Martín Vargas-Suárez, Alba Savín-Gámez, Lilianha Domínguez-Malfavón, Ayixon Sánchez-Reyes, Maricarmen Quirasco-Baruch, Herminia Loza-Tavera   +5 more
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Manipulation of microbial activity in the rumen

Archiv für Tierernaehrung, 1994
Different methods of optimizing feed conversion into nutrients in the rumen are now available to scientists. But the rumen must be considered as an integrated system and this makes it difficult to rationalize manipulation. The observed result of any treatment is a combination of several interactive reactions.
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Stability of soil microbial structure and activity depends on microbial diversity

Environmental Microbiology Reports, 2013
Summary Despite the central role of microbes in soil processes, empirical evidence concerning the effect of their diversity on soil stability remains controversial. Here, we addressed the ecological insurance hypothesis by examining the stability of microbial communities along a gradient of soil microbial diversity in response to ...
Tardy, Vincent, Mathieu, Olivier, Lévêque, Jean, Terrat, Sébastien, Chabbi, Abad, Lemanceau, Philippe, Ranjard, Lionel, Maron, Pierre-Alain   +7 more
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Microbial fuel cell biosensor for in situ assessment of microbial activity

Biosensors and Bioelectronics, 2008
Microbial fuel cell (MFC)-based sensing was explored to provide useful information for the development of an approach to in situ monitoring of substrate concentration and microbial respiration rate. The ability of a MFC to provide meaningful information about in situ microbial respiration and analyte concentration was examined in column systems, where ...
Tront JM, Fortner JD, Plötze M, Hughes JB, Puzrin AM   +4 more
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Microbial activity in soil

Current Opinion in Biotechnology, 1993
Abstract Soils are heterogeneous matrices with complex physical and chemical characteristics. A variety of constraints are placed upon the metabolic potential of soil microorganisms, including the finite growth space which is compounded by restricted opportunities to migrate, limited accessibility to substrate and electron acceptors, and extreme ...
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