Sentences with phrase «greater oxidation»

In conclusion caffeine / coffee stimulates the metabolic rate in both control and obese individuals; however, this is accompanied by greater oxidation of fat in normal weight subjects.
New research explains how atmospheric oxygen was trapped at low levels following the Great Oxidation.
After the Great Oxidation, and once plate tectonics pushed these sediments to the surface, they reacted with oxygen in the atmosphere for the first time.
The model suggests atmospheric oxygen was likely at around 10 % of present day levels during the two billion years following the Great Oxidation Event, and no lower than 1 % of the oxygen levels we know today.
This would include low oxygen subsurface sites with environmental conditions predating the Great Oxidation Event that occurred about 2.3 billion years ago when the atmosphere went from very low to high oxygen concentrations.
This particular example is the oldest known example of oxidative weathering from a terrestrial environment, occurring about 600 million years before the Great Oxidation Event that laid the foundations for the evolution of complex life.»
A general consensus asserts that appreciable oxygen first accumulated in Earth's atmosphere around 2.3 billion years ago during the so - called Great Oxidation Event (GOE).
So a date and a culprit can be fixed for what scientists refer to as the Great Oxidation Event, but mysteries remain.
This period, known as the Great Oxidation Event, changed chemical reactions on the surface of the Earth completely.
DiChristina: Everything yeah, this is red earth, you're referring [to] Steve; it's an event called the great oxidation event and this started about two billion years ago and really set off the first giant wave of mineralization of changing varieties of minerals that we see in earth's history.
«And this discovery is helping us reveal a diversity of life and ecosystems that existed just prior to the Great Oxidation Event, a time of major atmospheric evolution.»
These whiffs of oxygen likely happened in the following 100 million years, changing the levels of oxygen in Earth's atmosphere until enough accumulated to create a permanently oxygenated atmosphere around 2.4 billion years ago — a transition widely known as the Great Oxidation Event.
«We refer to this period as the Great Oxidation Event that took place 2.4 to 2.2 billion years ago,» says Czaja.
The black shales contained high concentrations of the elements molybdenum and rhenium, long before the Great Oxidation Event.
The most important of these events for the evolution of life as we know it, was the Great Oxidation Event some 2.3 billion years ago.
As less methane was available to to remove oxygen from the atmosphere, however, the result was a build up of oxygen over time during the subsequent «Great Oxygenation Event» (or «Great Oxidation Event») between Years 2.2 and 2.3 billion (Devin Powell, New Scientist, January 12, 2009; 2007 NASA press release; and Anbar el al, 2007).
However, anaerobic microbes in many habitats died out in massive numbers, including the climate - warming methanogens, during the «Great Oxygenation Event» (or «Great Oxidation Event») between Years 2.2 and 2.3 billion.
«The core of our hypothesis is that we are basically saying two - thirds of all mineral species arise from this Great Oxidation Event and subsequent biological innovations,» said Hazen.
Humans have had a bigger impact on Earth's geology than the infamous Great Oxidation Event 2.3 billion years ago, and now scientists are calling for a new geological epoch - the Anthropocene - to be officially recognised.

Not exact matches

Greater rise in fat oxidation with medium - chain triglyceride consumption relative to long - chain triglyceride is associated with lower initial body weight: Substituting dietary long chain triglycerides (e.g., soybean oil, safflower oil, canola oil) for medium chain triglycerides can help prevent weight gain and in some cases help reduce excess weight.
Based on this characteristic, you might expect it to have a lower smoke point due to a greater risk of PUFA oxidation.
They can create great diversity initiated by one simple carbon - hydrogen oxidation reaction.»
She notes that the study's authors took great pains to exclude other possible explanations for the subsurface oxidation, whether from sediment mixing by tiny organisms or from oxidation by nonbiological agents such as nitrates and metallic oxides.
The new study shows that if not for the anaerobic methane oxidation process, freshwater environments would account for an even greater portion of the global methane budget.
Rising sea levels, for example, would result in increased sulfate, which could fuel greater rates of anaerobic oxidation.
Faster sea floor spreading, presumably associated with more volcanic activity at subduction zones, and / or other increases in volcanic activity or geologic outgassing, or faster oxidation of exposed fossil organic C (as in shales)-- greater geologic CO2 emissions (I think another way of looking at the inorganic part is that any given region of sea floor has less time to accumulate carbonate minerals from chemical weathering, so that C reservoir could shrink while others, including the atmosphere, can grow).
At rest, women have greater storage of free FAs than men, but during exercise and conditions of sustained increased demand, women were shown to exert higher oxidation of lipids in relation to carbohydrates.
For example, «Cumulative urinary nitrogen excretion was significantly greater and cumulative nitrogen balance significantly more negative, during treatment with the ketogenic than with the nonketogenic diet... Whole - body rates of leucine oxidation were significantly higher during treatment with the ketogenic than with the nonketogenic diet...» (Vazquez and Saimak, 1992).
The primary one is inhibiting an enzyme that degrades chemicals your body produces to burn fat (catecholamines), resulting in greater energy expenditure and fat oxidation (burning).
On top of Vitamin E possessing some powerful properties of oxidation inhibitions, vitamin E; promotes respiratory and heart health, it aids in normalizing symptoms of PMS, helps with hot flashes, supports circulation, and is great for the brain.
Not just used to reduce nausea and improve digestion, gingerols have shown to support healthy blood sugar levels, and increase lipid oxidation slightly, great to add to green smoothies raw or use in stir - fry.
Consider this: Oolong tea has greater weight - loss properties than green tea because of further oxidation of the tea leaves.
It's bound to taste great, impart seasonality, and reduce the formation of carcinogens and oxidation products.
Most experts agree that low intensity, long - duration exercise is preferable for the general public because it «results in a greater total fat oxidation than does moderate intensity exercise.»
The study showed that some DNA was oxidized by vitamin C, but some DNA was also protected from oxidation by vitamin C (with the protection being around ten times greater in magnitude!
Primal Kitchen ® Avocado Oil is much more resistant to oxidation than other oils, making it great for high - heat cooking.
As one of the most powerful antioxidants ever discovered - with a greater range of effectiveness than vitamin C, vitamin E, or beta - carotene - melatonin helps prevent harmful oxidation reactions from occurring.
First, high - intensity exercise training induces secretion of lipolytic [fat - burning] hormones including growth hormone and epinephrine, which may facilitate greater post-exercise energy expenditure and fat oxidation.
So 10 days of being really super strict on the carbs is a great way to get the fat oxidation rates way up again and returning to being the fat burning machine I usually am.
The ability to measure advanced markers of cholesterol, inflammation, oxidation (rust), aging and metabolism has leaped forward and provides a great opportunity to provide personalized assessments of risk and health.
Total fat oxidation tended to be greater after the whey meal than after the soy meal and was greater after the whey and soy meals than after the high carbohydrate meal.
The thermic effect of the meal was significantly greater after coffee than after decaffeinated coffee and again fat oxidation was significantly greater after coffee.
Warhol's Oxidations and Rorschachs, accompanied by his Shadow and Camouflage paintings aim to encompass the same degree of shock and awe found within the canvases of the great Abstract Expressionists.
Of course Warhol's apotheosis as the savior of abstract painting has been coming for years now, ever since sundry dealers, curators, critics, and historians decided that his Shadows, Oxidations, Camouflages, and Rorschachs were in the great tradition of Kazimir Malevich, Jackson Pollock, and Barnett Newman.
Aerosol «blue haze», as seen here in the Great Smoky Mountains in North Carolina, is formed by the oxidation of volatile organic compounds emitted by trees.
While a great deal of the energy liberated from natural gas combustion is from formation of water by uniting hydrogen with oxygen, in coal, much of the energy liberated is from oxidation of carbon.
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