Results 131 to 140 of about 3,693 (224)

CH4‐He‐H2‐Rich Fluids Associated With the Intrusive Rocks of the Mid‐Continent Rift System in Minnesota (USA)

open access: yesGeochemistry, Geophysics, Geosystems, Volume 26, Issue 9, September 2025.
Abstract Several studies have shown that H2 and CH4 emissions are recorded within Precambrian areas, where the origin of gases has yet to be determined. The Mid‐Continent Rift (MCR) is an aborted rift aged from 1.1 Ga and composed of volcanic and (ultra)‐mafic rocks.
V. Combaudon   +5 more
wiley   +1 more source

Electrobiocorrosion by microbes without outer‐surface cytochromes

open access: yesmLife
Anaerobic microbial corrosion of iron‐containing metals causes extensive economic damage. Some microbes are capable of direct metal‐to‐microbe electron transfer (electrobiocorrosion), but the prevalence of electrobiocorrosion among diverse methanogens ...
Dawn E. Holmes   +4 more
doaj   +1 more source

Large D/H variations in bacterial lipids reflect central metabolic pathways [PDF]

open access: yes, 2009
Large hydrogen-isotopic (D/H) fractionations between lipids and growth water have been observed in most organisms studied to date. These fractionations are generally attributed to isotope effects in the biosynthesis of lipids, and are frequently assumed ...
Gillespie, Aimee L.   +2 more
core   +2 more sources

Improving Carbon Fixation and Acetate Production from Syngas Fermentation: On-Demand Versus Continuous Feeding

open access: yesFermentation
Syngas fermentation is a promising carbon capture and utilization (CCU) technology for producing carboxylic acids while transforming low-cost waste gas into high-value products. This study evaluates the two bioreactor feeding strategies for synthesis gas
Marta Pacheco   +3 more
doaj   +1 more source

A TetR-Family Protein (CAETHG_0459) Activates Transcription From a New Promoter Motif Associated With Essential Genes for Autotrophic Growth in Acetogens

open access: yesFrontiers in Microbiology, 2019
Acetogens can fix carbon (CO or CO2) into acetyl-CoA via the Wood–Ljungdahl pathway (WLP) that also makes them attractive cell factories for the production of fuels and chemicals from waste feedstocks.
Renato de Souza Pinto Lemgruber   +12 more
doaj   +1 more source

Roadmap on semiconductor-cell biointerfaces. [PDF]

open access: yes, 2018
This roadmap outlines the role semiconductor-based materials play in understanding the complex biophysical dynamics at multiple length scales, as well as the design and implementation of next-generation electronic, optoelectronic, and mechanical devices ...
Anikeeva, Polina   +24 more
core   +1 more source

Pemanfaatan Kotoran Ternak Sebagai Sumber Energi Alternatif Dan Peningkatan Sanitasi Lingkungan [PDF]

open access: yes, 2000
The effort to discover alternative source of energy in the world is still continued because the dependency from the fossil fuel should be aleviated. Since the energy crisis in 1973, the problem of energy become world hudge intention.
Mulyono, D. (Daru)
core  

Homoacetogenesis and microbial community composition are shaped by pH and total sulfide concentration [PDF]

open access: yes, 2019
Biological CO2 sequestration through acetogenesis with H-2 as electron donor is a promising technology to reduce greenhouse gas emissions. Today, a major issue is the presence of impurities such as hydrogen sulfide (H2S) in CO2 containing gases, as they ...
Arends, Jan   +4 more
core   +2 more sources

Domestication of the novel alcohologenic acetogen Clostridium sp. AWRP: from isolation to characterization for syngas fermentation

open access: yesBiotechnology for Biofuels, 2019
BackgroundGas-fermenting acetogens have received a great deal of attention for their ability to grow on various syngas and waste gas containing carbon monoxide (CO), producing acetate as the primary metabolite.
J. Lee   +6 more
semanticscholar   +1 more source

Correlating Methane Production to Microbiota in Anaerobic Digesters Fed Synthetic Wastewater [PDF]

open access: yes, 2017
A quantitative structure activity relationship (QSAR) between relative abundance values and digester methane production rate was developed. For this, 50 triplicate anaerobic digester sets (150 total digesters) were each seeded with different methanogenic
Fujimoto, M.   +4 more
core   +1 more source

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