Sentences with phrase «by oxygen»

The mouth - body connection also shows us the problems caused by oxygen deprivation.
The researchers used satellites to measure heat in the form of microwave radiation emitted by oxygen molecules in the atmosphere from 1979 to 2005.
Presumably, this vitamin E richness in the food consumed by the chickens helped protect their body fat from damage by oxygen.
The researchers used satellites to measure heat in the form of microwave radiation emitted by oxygen molecules in the atmosphere from 1979 to 2005.
There are indications that creatine acts as an antioxidant, by reducing cellular damage caused by oxygen radicals.
Unless you're an elite endurance athlete, your success (or health) isn't determined by your oxygen consumption.
Free radicals are unstable small molecules which are generated by an oxygen environment.
The computer adjusts the amount of fuel going into the engine based on the amount of oxygen in the air registered by the oxygen sensors.
A new gameplay mechanic is oxygen, which you must keep an eye on and you also have a jet pack, which is fueled by oxygen but will use it up quicker.
When sunlight passes through the atmosphere, the blue wavelengths are scattered more widely by the oxygen and nitrogen molecules, and more blue comes to our eyes.
Thus, creatine has been shown to act as an antioxidant which reduces cell damage caused by oxygen radicals.
Light emitted by oxygen is shown as blue, hydrogen emission is shown as green, and nitrogen emission as red light.
The material is made up of zirconium and tungsten atoms connected by oxygen atoms, which, when heated, bend like elbow joints.
As shown in the graph below, cosmic - ray intensity (as measured by the radioactive carbon isotope C - 14) and terrestrial climate (as measured by the oxygen isotope O - 18) correlate in amazing detail over an interval of at least 3000 years (see graph below; the bottom graph is the central section, blown up to reveal detail)
A2s, on the other hand, are induced by oxygen deprivation in the brain, which occurs during strokes.
To see whether cancer stem cell renewal involves a chain of events similar to that used by embryonic stem cells, and whether the process was affected by oxygen levels, Semenza and graduate student Chuanzhao Zhang focused their studies on two human breast cancer cell lines that responded to low oxygen by ramping up production of the protein ALKBH5, which removes methyl groups from mRNAs.
Specifically, they are interested in those genes that are involved in tyrosine phosphorylation — the attachment of a phosphate group (a phosphorous surrounded by oxygen atoms) to distinct sites in protein chains where there is a tyrosine residue.
When it came time to return home, Travel Guard, with the doctor's consultation, confirmed that my husband should have stand - by oxygen so they sent a nurse who flew from Miami and accompanied us to the door of our home in the U.S..
It is powered by the Oxygen OS in which the face ID unlock feature has been implemented and is being tested in the beta channel.
Here's what I know about KC: in a third - world NICU, with no resources but antibiotics and blow by oxygen, kangaroo care improved survival rates for neonetes with birth weights over a kilo and g.a. at birth of something like 34 weeks, to 50 %.
The granules are produced by oxygen - hating bacteria and help them navigate, using the Earth's magnetic field, towards deep, oxygen - poor regions of the ocean.
Researchers have discovered a white dwarf star with an atmosphere dominated by oxygen, a type of white dwarf that has been theorized to exist but not identified to date.
The fish system is many times more efficient than the one inherited by humans (as our amphibian ancestors branched away from higher fishes around 350 - 400my ago when the hemoglobin system was still in its early stages of development), but its discovery may lead to new ways of understanding and tackling conditions influenced by oxygen levels in the body.
When squalene gets attacked by oxygen, it mutates into a substance called squalene peroxide, and this is one of the most powerful acne causing substances in the whole world.
The classic model for the formation of iron deposits suggested that the Fe (II) from the Earth's core was oxidized by the oxygen produced by cyanobacteria (blue - green algae).
Eight bright X-ray sources located far beyond the galaxy at distances of hundreds of millions of light - years were observed with Chandra, which revealed that the X-rays from these distant sources are absorbed selectively by oxygen ions in the vicinity of our galaxy.
On the other hand, many anaerobic microbes including methanogens are easily poisoned by oxygen, and the recent discovery of banded sediments with rusted iron on Akilia Island in West Greenland suggests that oxygen - producing, photosynthetic microbes (e.g., cyanobacteria) living on the surface of wet areas to gather sunlight may have developed by the end of this geologic period (3.85 billion years ago) despite continuing bombardment from space.
The script by William Nicholson and Simon Beaufoy does an acceptable job balancing the plot between the climbers, the people coordinating rescue efforts back at base camp, and the families left behind, and Mick Audsley's editing hangs together well, though it gets hard to keep track of characters because there are a lot of them and their faces are covered by oxygen masks for much of the second half.
Their unsaturated fats, an asset in cold ocean water, become a liability in our environment: They are easily oxidized — broken down by oxygen into fragments that smell and taste stale.
For instance, if your product is affected by oxygen transmission you might consider a PET resin instead of HDPE; it has better oxygen barrier properties.
Silicones, more accurately known as poly (organo) siloxanes, is a term for a group of synthetic polymers in which silicone atoms are linked by oxygen atoms.
Two of the newborns who received gentle stimulation were given supplemental blow - by oxygen because nurses described them as «ruddy» but not cyanotic.
The structure of the steps determines whether they remain active or become deactivated by oxygen atoms.
But satellite measurements of radiation shed by oxygen molecules suggested that the bottom 10 kilometers of Earth's atmosphere had cooled 0.05 °C per decade in the same period.
The scientists speculate that stress, inflammation and oxidative stress (cell damage caused by oxygen exposure) may be responsible for shortened telomeres in physically inactive people.
Indeed, the «Cambrian explosion» — the burst of evolution about 540 million years ago that included the birth of most of the major animal groups we know today — was enabled by oxygen deprivation, the researchers say.
They determined a material with less than 90 percent carbon and enhanced by oxygen, rather than nitrogen or sulfur, worked best for both carbon capture and methane selectivity, especially for materials activated at temperatures approaching 800 degrees Celsius.
This causes the battery to overheat in the presence of its reactive lithium electrolyte and possibly catch fire (which is exacerbated by oxygen entering from outside).
The catalysts are composed of a unique structure of single gold atoms bound by oxygen to several sodium or potassium atoms and supported on non-reactive silica materials.
«When a platinum atom hits the magnetite surface, it is kept in place by the oxygen atoms in the magnetite.
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