Sentences with phrase «chemical markers»

The presence of oxygen, methane and carbon dioxide, for instance, are widely considered chemical markers of life.
This new research shows that the short chain fatty acids increase the number of chemical markers on our genes.
By measuring levels of the stress hormone cortisol, plus other chemical markers, the team found that the task caused more cell damage in the women who were already stressed.
Instead, the changes happen to certain chemical markers on the DNA that control how much any particular gene is expressed.
Several researchers, however, are tracking chemical markers in the blood and in the breath with the goal of creating screening tools that could someday not just find cancer but also indicate how dangerous it is likely to be.
Nadeau stumbled upon one study, in mice, describing how environmental factors can tag Foxp3 with chemical markers that tell T - cell precursors to switch the gene on or off.
Kolesnikov's team searched the peat layers for chemical markers of the Tunguska event.
Our genome is «programmed» by the addition of chemical markers called methyl groups to the DNA, which shut down genes.
Smith also reported being able to track chemical markers of stress, diabetes, and ulcers, and they say preliminary data suggest they may even be able to use the technique to detect bladder and prostate cancer.
Key naturally occurring chemical markers identified in honey and nectar are now used to classify Manuka honey.
The work, published today (9th January) in Nature Communications, shows that chemical messages from bacteria can change the location of key chemical markers throughout the human genome.
They found that the athletes in collision and contact sports had differences in brain structure, function and chemical markers typically associated with brain injury, compared to athletes in non-contact sports.
The team was able to decipher migratory patterns — a daunting task — relatively easily with a new technique that tracks natural chemical markers in the feathers.
Once the stem cells are created, Niklason relies on different chemical markers left behind in the decellularized lungs to guide the stem cells to their correct locations.
Preventive vaccines work by introducing harmless microbial chemical markers, known as antigens, which resemble the markers on living microbes.
A hunter - gatherer from the 6,000 - year - old German site, identified via chemical markers of diet in the bones, carried around 27 percent ancestry from farmers.
The new technology provides a method to scale up a previously known method for profiling cell types distinguished by the pattern of chemical markers studding their DNA.
Better still would be a test that could detect chemical markers from a patient's blood or breath indicating the presence of breast cancer, but research in this area is still in the early stages.
Vescovi also found chemical markers in the spinal tissue that suggested repair was still under way.
By injecting chemical markers into canaries» brains, Arturo Alvarez - Buylla, John Kirn and Fernando Nottebohm at Rockefeller charted the birth and growth of projection neurons.
Still, the molten rock created during the experiment might hold chemical markers that could help researchers understand how Earth's molten material cooled and separated into layers over time, the study authors say.
This includes the key chemical markers DHA, MGO, and Leptosperin.
Dog urine contains pheromones and other unique chemical markers.
Exoplanet research has gone beyond the point of finding planets — more than 3000 exoplanets are now known — to looking for chemical markers that might indicate the potential presence of life.
At Berringa, we look for the key naturally occurring chemical markers that are found in Manuka Honey (MGO and DHA) to determine its purity.
This In vitro study of chemical markers of proteolytic functions in muscle cell cultures showed that HMB inhibits activation of a major protease pathway in muscle, thus inhibiting protein degradation in muscle.
Those instructions are found not in the letters of the DNA itself but on it, in an array of chemical markers and switches, known collectively as the epigenome, that lie along the length of the double helix.
On the outside of the heterochromatin bundles are chemical markers, known as epigenetic tags, which control the structure of the heterochromatin.
The researchers injected marmoset monkeys with a chemical marker called BrdU that becomes incorporated into the DNA of dividing cells, making newborn cells easy to spot.
«We demonstrated, for the first time, that strontium can be used as a chemical marker for geography and geology to differentiate heroin samples from different geographic regions.»
In 2017, scientists demonstrated a way of discerning subtypes of neurons by measuring the chemical markers between them — the pattern of methyl groups connected to its DNA, known as its methylome.
In a 2013 study of retired NFL players who had thinking and mood problems, researchers injected the players with a chemical marker, called FDDNP, which binds to the tau protein.
GGAC, in turn, led the researchers to an enzyme known as METTL3, which tags the GGAC segments with a chemical marker, a methyl group, at a particular spot on the adenine.
The number - this represents three chemical markers that indicate the content of this honey to ensure purity and quality.
The absence of dog scent aside, these rooms further reduce feline stress because they may be equipped with diffusers that disseminate a synthetic version of the normal pheromones given off by cats as they rub their cheeks against people or furniture; this pheromone serves as a chemical marker that signifies safety, contentment, and familiarity.
If a puppy consistently goes back to a spot where there's previously been an accident then the chemical marker may still be there to «go here!»
Urine contains pheromones, chemical markers that say essentially, «Go potty here.»
a b c d e f g h i j k l m n o p q r s t u v w x y z