Sentences with phrase «lowest oxygen level»

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.

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).

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.

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.

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

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?

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.

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.»

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.

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.

She found that low oxygen levels and inflammation were the main drivers of higher LOX levels.

The researchers also want to see what other proteins and mRNAs are involved in the relationship, and why some cancer cell lines they tested did not show the same increased ALKBH5 levels in response to low oxygen levels.

Saurabh Saha of BioMed Valley Discoveries in Kansas City, Missouri, and his colleagues wondered whether they could use the bacteria to selectively kill mammalian cells within cancerous tumours, which often have a poor blood supply and therefore low oxygen levels.

A group of researchers led by physical anthropologist Cynthia Beall of Case Western Reserve University in Cleveland, Ohio, hypothesized that Tibetans might offset low oxygen levels by increasing blood flow.

«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.

Indeed, the fetus remains for the most part sedated by low oxygen levels and anaesthetic chemicals that are produced by the placenta, says Lagercrantz.

As a result, the benthos population became dominated by species that could survive with much lower oxygen levels throughout the 1960s.

Low oxygen levels were also detected near patches of oil, a sign that bacteria are feasting.

A related experiment, BRIC 17 - 2, exposes thale cress seedlings to low oxygen levels to examine its effects on the health of their roots.

The biosphere's public relations team tried to put a brave face on the situation, announcing that the «experiment in measuring human adaptation to lower oxygen levels» was ending.

Hypoxia, or low oxygen levels, can strike anyone in the face of, for instance, the flu, a bad cold, strenuous exercise or exposure to high altitudes.

Increased vegetation, lower oxygen levels and decreased water clarity can adversely impact recreational fish, such as yellow perch, bass and crappies.

So, at some point in each stage the caterpillar's body becomes too big for its respiratory system, the bug starts suffocating, and the resultant low oxygen levels spur exoskeleton shedding.

Players in the World Cup soccer tournament, now underway in South Africa, will have to contend with low oxygen levels at high altitude — and with a new ball, which its scientist creators say is the roundest one ever.

Professor Roffe commented: «When a stroke happens either due to a blood clot or a brain haemorrhage, part of the brain dies because it's being starved of oxygen, and other parts of the brain are unstable and vulnerable to low oxygen levels.

«Lungs started to appear in fish underwater when they evolved air breathing in response to low oxygen levels in water 350 to 400 million years ago,» says study author Peter Madsen, a biologist at Aarhus University in Denmark.

The lower oxygen levels can result in fish deaths, a loss of biodiversity in the waters, and dead zones.

Kathy Hudson, an NIH deputy director, told ScienceInsider that there was no reason for SUPPORT researchers to have mentioned the risk of death at lower oxygen levels, because there was no recent data indicating that risk.

This protein causes the amount of lactic acid in the cell to increase, which normally only happens at low oxygen levels.

These nutrients end up in rivers and streams as the result of human activities and can cause algal blooms, loss of seagrass and low oxygen levels, which can lead to large numbers of fish and other organisms dying.

The net effect was that cells continued dividing while coping with low oxygen levels.

Researchers will look next at whether the adaptation affects how the killifish are able to respond to other kinds of stressors in their environment, such as low oxygen levels.

The research, led by the University of Southampton and UCL, which took place on Mount Everest, assessed the mechanisms by which low oxygen levels in the body — known as hypoxia — are associated with the development of insulin resistance.

A new study in the Journal of Clinical Sleep Medicine revealed that 44 percent of adults with sickle cell disease who report trouble sleeping actually have a clinical diagnosis of sleep disordered breathing, including sleep apnea, which lowers their oxygen levels at night.

«Because of its extremely low oxygen level, this galaxy serves as an accessible proxy for star - forming galaxies that came together within one to two billion years after the Big Bang, the early period of our nearly 14 billion - year - old universe.»

«Amber provides new insights into the evolution of Earth's atmosphere: Low oxygen levels for dinosaurs.»

From yeast to worms to humans, this stress response and its primary regulator, heat shock factor 1 (HSF1), help normal cells adapt to harsh environments, including the presence of heavy metals, high salt concentrations, low oxygen levels, and of course increased temperatures.

«In a young, healthy individual, hypoxia — low oxygen levels — triggers the body to make factors that help coordinate the growth of new blood vessels but this process doesn't work as well as we age,» says Gregg Semenza, M.D., Ph.D., professor of pediatrics and genetic medicine and director of the vascular biology program at the Johns Hopkins Institute for Cell Engineering.

Off the coast of West Africa, swirling eddies carry dead zones with remarkably low oxygen levels at shallow depths, according to an international study.

Julia's research has contributed to uncovering the basic mechanisms by which plants survive submergence and respond to the low oxygen levels associated with flooding.

Some marine animals, like jellyfish, can survive relatively low oxygen levels.

The low oxygen levels also affect your heart and brain function.