Sentences with phrase «by microbial activity»

This effect is ecological in nature and is mediated by microbial activity, and is thus harder to model than simpler physical processes, like glacial melting or ocean warming.

This process was long thought to be enabled by microbial activity, but a new study identifies that sunlight itself might be the true culprit.

For contamination of hard surfaces there would be reduced opportunity for breaking down the agent by microbial activity which is one way the agents might be degraded.

After 25 days using a combination of natural heat generated by microbial activity, three of the four antibiotics broke down under the high energy conditions created, said Dolliver.

Not exact matches

By lowering water activity in food, salt limits microbial growth, acting as a preservative in salt cured fish and meat products and playing an important role in cheese production.

[17] Whereas, when soil is tilled by machinery, the soil layers invert, air mixes in, and soil microbial activity dramatically increases over baseline levels.

Global simulations conducted by the team found that microbial responses to enhanced root activity under rising CO2, while depending on plant species, climate and soil mineralogy, led to a loss of global soil carbon stocks that counteracted the additional carbon storage resulting from increased plant growth in many regions of the world.

Even when a prime, rock - free site is found, samples can be contaminated with microbial activity or by modern air that seeps in when temperature changes cause the ice to crack.

Bioremediation — boosting microbial activity by ensuring a steady supply of such nutrients — is quite difficult in a case like the gusher in the Gulf of Mexico.

«We observed that the activity of a widely - distributed group of microbial enzymes was influenced by the availability of iron in the seawater,» Dr. Browning points out.

Research reported in the Journal of the Royal Society Interface, which has directly observed microbial activity in Antarctic and Arctic snow, has revealed that the composition of these small samples of gas trapped in the ice may have been affected by bacteria that remain active in snow while it is being compressed into ice — a process that can last decades.

Viral infections simultaneously reduce the amount of nutrients and materials available to larger organisms by killing microbial cells, but also stimulate microbial activity through the release of organic matter and nutrients, which provides increased biomass available for larger organisms including fish.»

Dr. Ziolkowski, based at the University of South Carolina (USA), was unanimously selected by the Baillet Latour Antarctica Fellowship Committee for her project «REMACA» which aims to use the natural abundance of radiocarbon to study the rates of carbon accumulation and the rates of microbial activity.

Risk Assessment Form (3) Required for projects using hazardous chemicals, activities or devices, and some PHBA's including protists, composting, coliform test kits, decomposition of vertebrate organisms and microbial fuel cells and must be completed and signed by the DS or QS prior to student experimentation.

Nutrient cycling may be affected by rising temperatures that, in turn, can increase microbial activity.

IgG and IgA with potential microbial - binding activity are expressed by normal human skin epidermal cells.

The results may be explained by a higher level of physical activity among dog owners or effects of the dogs» microbial flora on -LSB-...]

Microbiologist, Dr. Jason Sylvan, Assistant Professor of Oceanography, Texas A&M University, who samples microbes from the depths of ocean, measures microbial enzyme activity using the portable Spark ® microplate reader by Tecan that he carries with him on the ship.

An animal - based diet may trigger IBD by causing microbial enzyme activity in the intestines, which produces a harmful gas called hydrogen sulfide.

This light, unique formula works by releasing vital plant activity through anti inflammatory, antioxidant, anti microbial and antibacterial agents to balance oil production, clear dirt, toxins and imbalanced oil and effectively firm, brighten and moisturize skin.

CO2 uptake by plant and soil microbial activity will respond very rapidly with sufficient heat and solar.

Climate change can influence the distribution of dead zones by increasing water temperature and hence microbial activity, as well as reducing mixing of the ocean (i.e., increasing layering or stratification) of the Ocean — which have different temperatures, densities, salinities — and reducing mixing of oxygen - rich surface layers into the deeper parts of the Ocean.