Sentences with phrase «lowest oxygen»

The median lowest oxygen saturation level during DISE was about 91 percent, compared to an 81 percent value recorded in standard sleep studies.
«Our data show that the metabolic rates of blue crabs increase with increasing temperature, and this in turn increases the lowest oxygen levels they can survive.
Researchers in parallel studies in Australia, New Zealand, and England looked at the same pooled data and recommended strongly to avoid the low oxygen levels because of this increased mortality.
Moreover, the new guidelines for American intensive care nurseries now recommend lower oxygen levels although according to that study, this better - dead - than - blind policy kills one baby for every two cases of blindness prevented.
Nowadays these bags offer a very low oxygen migration rate and are an effective barrier to the organic materials (such as naphthalene) that can taint the wine.
The Commonwealth Environmental Water Holder is investigating whether there are opportunities to use the limited volumes of environmental water available to provide refuge habitat for aquatic species (particularly if the decay of the algal bloom leads to low oxygen levels in the waterways).
Low oxygen conditions under vacuum packaging can minimize oxidative deterioration of meat and inhibit aerobic microbial growth.Also, in order to extend meat display life using nitriteembedded film (NEF) are used.
During 2016/17, environmental water holders were presented with an unexpected challenge, as many lowland rivers in the southern and central regions of the Murray - Darling Basin were subject to low oxygen conditions following widespread natural flooding.
Low oxygen in the blood will cause babies to have blue - colored skin, which is why the disease is commonly called «blue baby» disease.
decreased blood pH due to low oxygen] is minimal or absent variability, with or without the presence of late decelerations.
Letting an infant sleep in that position for extended periods of time can lower oxygen levels by 20 %,, cause suffocation, and also damage the spine.
It is a sign of an immature circulatory system and not low oxygen.
Newborn babies are born with an abundance of red blood cells because of the low oxygen environment of your womb.
Some interventions have resulted in bruising, facial injuries, displacement of skull bones and blood clots in the scalp, cognitive issues, lower oxygen supply, and other injuries.
In rare cases, the drop in blood pressure is severe enough to reduce heart output, lower oxygen going to the brain, and cause fainting.
This practice is used by doctors to detect complications like low oxygen and heart issues that can cause brain damage, seizures and even death in babies.
If mom is stressed out, passes out, or ends up holding her breath during labor and delivery, she might end up putting her baby into fetal distress, with an abnormal heartbeat, and lowered oxygen levels.
Extended bed rest, always sitting in a chair, or standing in place for too long can lead to blood clots, lower oxygen levels, and contribute to varicose veins.
This is an outstanding illustration of how fast a baby can begin to die even if that baby was not suffering from low oxygen before birth.
People living at high altitude have evolved different ways to cope with low oxygen levels.
A lack of diverse, winged hexapods — not low oxygen levels — could explain the gap in the fossil record
Shahrara and her colleagues knew that a protein called CCL28 was found in the body under low oxygen conditions, or hypoxia.
Highly - reduced GO (rGO), with lower oxygen levels, has a near - perfect hexagonal lattice structure with strong bonds and high conductivity.
They will also delve into the newly discovered genes regulated by low oxygen levels that are distinct from HIF1?
Near - freezing water, lack of sunlight, and low oxygen concentrations discourage the growth of bacteria and other organisms that can break down debris.
In some ancient eras, according to other recent work on ocean chemistry, marine animals lived in «worlds of lower oxygen,» Lyons says.
Excess amounts from human activities often end up in rivers, streams and coastal environments, causing algal blooms, loss of sea grass and low oxygen levels in the water, which can kill large numbers of fish and other organisms.
But waters with low oxygen — or near - anoxic — levels exist as «oxygen minimum zones» (OMZs).
What remains unknown is exactly how low oxygen episodes drove animal evolution.
The unexpected idea has been tested only in cells and animals so far, but some scientists are already considering whether lowering oxygen levels might treat certain rare but deadly conditions.
According to the researchers, Nautilus are exquisitely adapted to life at low oxygen levels, making it likely that ammonites were as well.
Ammonia gas can also fall back to Earth and enter lakes, streams and oceans, where it contributes to harmful algal blooms and «dead zones» with dangerously low oxygen levels.
The influence of climate change was evident in areas with either extreme incidents of oxygen depletion or longer - than - normal trends of low oxygen levels.
«What this says is that it's possible for animals to be diversifying like normal even at much lower oxygen levels.»
These images from the virtual tissue model show, from left to right, growing areas of lower oxygen (blue regions, middle row) and the corresponding progression of protein VEGF (red regions, bottom row), concomitant with «domino - like» progressive loss of small blood vessels in the retina over time (region without arrows, top row).
Instead, species that immigrate from areas with higher water temperatures and lower oxygen concentrations will establish themselves and displace the native polar species,» says Hans - Otto Pörtner.
Hypoxia - inducible factor 1α (HIF - 1α), an oxygen sensor that controls the expression of various genes for glucose metabolism under conditions of low oxygen levels, is the most well documented substrate of the von Hippel - Lindau (VHL) enzyme.
Among the big winners is the Humboldt squid, which can tolerate low oxygen; it has expanded its range in the northeastern Pacific in the past 10 years, from the Gulf of California all the way to southeastern Alaska.
Thanks to evolution, the animals living there have adapted to these conditions and will have little chance to adjust when the combination of warming and lower oxygen levels hits.
This results in cancer cells needing to adapt to low oxygen environment.
Spaceflights and reduced gravity habitats will expose astronauts also to low oxygen environments.
Researchers at the University of Southampton have engineered cells with a «built - in genetic circuit» that produces a molecule that inhibits the ability of tumors to survive and grow in their low oxygen environment.
«So it's not surprising,» he added, «that some flatlanders have a bit of trouble adjusting to the lower oxygen availability.
There is an especially strong link between psychiatric disorders and complications during gestation or birth, such as prenatal bleeding, low oxygen or malnutrition of the mother during pregnancy.
She found that low oxygen levels and inflammation were the main drivers of higher LOX levels.
The Rho - kinase inhibition stimuli under low oxygen conditions (of 5 percent oxygen atmosphere), which is a condition corresponding to conditions in the body's cartilage, produced a more effective increase in chondrocyte - specific gene expression and synthesis of extracellular matrix components by HCS - 2 / 8 cells.
Zeroing in on NANOG, the scientists found that low oxygen conditions increased NANOG's mRNA levels through the action of HIF proteins, which turned on the gene for ALKBH5, which decreased the methylation and subsequent destruction of NANOG's mRNA.
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.
Working with human breast cancer cells and mice, scientists at The Johns Hopkins University say new experiments explain how certain cancer stem cells thrive in low oxygen conditions.
Recent studies showed that low oxygen conditions increase levels of a family of proteins known as HIFs, or hypoxia - inducible factors, that turn on hundreds of genes, including one called NANOG that instructs cells to become stem cells.
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