Sentences with phrase «oxygen levels as»

Nitrogen pollution causes algae blooms that lower oxygen levels as they decompose, causing dead zones.

We know we need to have our oxygen levels as stable and consistent as possible.

Researchers measure the changes in blood oxygen levels as a marker of brain function.

In this way, the system formed a negative feedback loop that automatically slowed the rise in oxygen levels as the levels increased.

Although the damage caused by OSA comes partly from sharp fluctuations in oxygen levels as the patient fights for breath, much of the disorder's devastation appears to result from its disruption of sleep.

The results show that blue crabs can — at moderate water temperatures — survive at oxygen levels as low as 1.3 milligrams per liter, just 15 % of the oxygen available in fully saturated seawater.

But it is thought that the sudden drop in prostaglandin blood levels after birth (much of the prostaglandins was made in the infants placenta), an increase in the infants blood oxygen level as its lungs begin to function and decreased resistance to blood flow as the infant's lungs fully expand drive the closure process.

Not exact matches

In response to Business Insider questions about Southwest's use of oxygen masks on Flight 1380, a company representative said via email: «We aren't ready to engage that level of detail at this time as we are focused on the immediate needs of the NTSB investigation.»

There were also rumors the new watch would complete stand - alone functions like tracking and measuring one's biometrics like heart rate and oxygen levels, as well as control aspects of one's home environment via HomeKit.

As the bloom subsides, the dead and decaying algae can reduce the oxygen levels in the water, causing stress or death to aquatic animals.

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This level of your heart rate creates excess post-exercise oxygen consumption, also known as an «after - burn» effect.

As the oxygen level decreases, the baby is suffocated.

It's also important to note that a frequently cited 2009 study published in the journal Pediatrics found that healthy newborns sitting in a car seat had significantly decreased blood oxygen levels compared to those laying flat and the researchers concluded that infant car seats should be used for car travel and not as a replacement for a flat sleeping surface.

One of the things that's really interesting is that one of the things they think happens with SIDS is the baby falls asleep and normally as the level of oxygen in your body gets low, that stimulates you to breathe but these babies who die of SIDS often seem to forget to breather and they are not as easily aroused, they are not as sensitive to this problem.

As a baby stops breathing, the oxygen level in his blood falls and the level of carbon dioxide increases.

As she was a 6 month premature sometimes having breathing problems while sleeping my doc told me she should be connected to an electronic tool that measured her oxygen levels while sleeping.

Brands such as the Owlet are discrete little socks that fit over the feet of your baby and monitor the heart rate and oxygen levels of your baby.

Sensors are built into socks, onesies, buttons, leg bands, or clip - ons to track physical signs such as heart rate, breathing, temperature, blood oxygen level, sleeping position.

The most common complications that lead to ongoing disability include intraventricular hemorrhage (IVH) or bleeding in the brain, asphyxia or a lack of oxygen to the brain, severe jaundice, hypoglycemia or a low blood sugar level, severe infections, long - term use of ventilation, and chronic lung disease known as bronchopulmonary dysplasia (BPD)

Proponents of horizontal positioning in early infancy may be concerned with whether the infant actually receives adequate levels of oxygen while being carried as compared to in a stroller.

In a 2009 study, researchers at Harvard's MassGeneral Hospital for Children as well as other institutions analyzed the blood oxygen levels of newborns when they were placed in cribs versus car seats and found that nearly one - quarter of the time that the babies were in car seats, their oxygen saturation levels (the ratio of oxygen - saturated hemoglobin to total hemoglobin in their blood) dropped below 95 percent, the cutoff for what is considered normal.

The textbooks will tell you that oxygen levels began climbing soon after photosynthesis evolved, but we now know that some cells started photosynthesising as long as 3.4 billion years ago, long before oxygen levels began to rise.

Porcar's team engineered gene switches in Escherichia coli to produce proteins that emit different coloured fluorescent light when factors such as heat, acidity and oxygen levels change.

These include the development of a biochemical sensor that can continuously and accurately measure different substances released by the organ - like system, as well as enhancements that allow the use of multiple physical sensors, which monitor features such as temperature, oxygen levels, and pH values.

In a study published last month, he and his colleagues suggest that oxygen levels were already high enough to support simple animals, such as sponges, hundreds of millions of years before they actually appeared.

Currently, the floats are primarily used to collect temperature and salinity data, but the technology exists to test oxygen levels and acidity as well, he said.

As oxygen levels became more tolerable, groups with these traits boomed, filling the fossil record with what's called the Cambrian explosion.

In both cases, UDCA improved mitochondrial function as demonstrated by the increase in oxygen consumption and cellular energy levels.»

But waters with low oxygen — or near - anoxic — levels exist as «oxygen minimum zones» (OMZs).

According to the researchers, Nautilus are exquisitely adapted to life at low oxygen levels, making it likely that ammonites were as well.

When oxygen levels are restored to normal, the eye senses it as a lack of oxygen and responds by growing new blood vessels, which often leads to excessive growth and damage to vision.

Over the course of the training season, he and his team measure parameters such as heart rate, blood lactate level, and oxygen consumed to help coaches understand how each rower is progressing and compares to the rest of the team.

The oxygen level did not change for the familiar voice, which remained the same as baseline.

«Oxygen levels and the rise of fire: New research reveals extensive wildfires occurred significantly later than previously thought as a result of changes in oxygen levels.&Oxygen levels and the rise of fire: New research reveals extensive wildfires occurred significantly later than previously thought as a result of changes in oxygen levels.&oxygen levels.»

As an alternative treatment to blocking the AADC enzyme in the spinal cord of rats, the neuroscientists exposed the animals to higher oxygen levels and even they were surprised to see what happened next.

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.

To make matters worse, German and Japanese researchers recently increased CO2 levels in seawater and found that the greenhouse gas can damage some marine organisms directly: Squid slowly asphyxiated as the excess CO2 crowded out oxygen in their blood, and fish embryos and larvae were abnormally small and less likely to survive.

Billions of years later — as the book ends — milder winds, bearing perhaps an eighth of the oxygen levels we enjoy today, sweep across barren continents.

Yet the body tissues of Tibetans consume just as much oxygen as those of people who live at sea level.

The UCLA researchers choose instead to grow theirs at higher oxygen levels and chop the blobs at the 35 - day mark, when they are as wide as three millimeters, and then about every two weeks after.

«Urban organics» thus remain at higher levels longer, says Canuel, «delivering more organic material to the river mouth and increasing the likelihood that low - oxygen conditions will develop in downstream locations such as estuaries and the coastal ocean.»

The oxygen levels also varied in step with water levels as Rosetta flew around the comet, suggesting that ice and oxygen in 67P's atmosphere are coming from the same places in its nucleus.

Using spectral readings from telescopes at the Keck Observatory in Hawaii, Hand has found high levels of oxidative chemicals such as sulfate, oxygen, sulfur dioxide and hydrogen peroxide on Europa's surface, which are produced as ionizing radiation from Jupiter scours it, splitting apart water molecules and sulfur compounds in the uppermost layers of its ice.

He's looking into his own monitor, where he can observe pictures as the apparatus tracks his eye movements and the blood oxygen levels in his brain.

And despite having sat under ice for thousands of years, it still contained levels of oxygen that some marine animals, such as brittle stars and worms, can actually survive on.