Sentences with phrase «triggered by chemical»

See, gay couples, lesbian couples and such may not seem to have fallen in love for the purposes of procreation but they are the outliers, as the standard heterosexual relationship is triggered by chemical reactions in the brain.
This transformation is triggered by chemical signals, which could be blocked in order to stop cancer cells from spreading.
Researchers already knew that T cell migration is triggered by chemical messengers called chemokines.
The brief magnetic pulses observed prior to some moderate - sized earthquakes might be triggered by chemical bonds breaking in rocks under stress (such as those deep beneath the San Andreas fault, shown).

Not exact matches

It could take up to two years to find a solution to Katherine's water supply woes, with authorities warning usage restrictions triggered by potentially toxic PFAS chemicals will remain in place until a new water source for the town is established.
Now for dealing with your anxiety over the crying: Keep in mind that in its simplest form, it is just a chemical reaction in your brain, triggered by something that makes you extra sensitive to your child's crying, which even the hint of can set you off.
A chemical pregnancy (or as my doctor nicely termed it, a threatened abortion) basically means although an egg was fertilised, the clump of cells did not implant successfully, and the hormones triggered by implantation did not stop menstruation from happening.
Healthy Schools Schools can reduce asthma triggers by limiting chemicals and fragrances, such as found in disinfecting wipes used inside the school or on school grounds, that can trigger asthma and allergies, hurt student and teacher performance, and result in missed school days.
A 2016 essay in Nature by a U.K. biographer noted that her novelist father was friends with electrochemist Humphry Davy and with William Nicholson, a co-discoverer of electrolysis, the technique of triggering chemical reactions using electricity.
Some preliminary studies have shown that the chemical can persist in human fat tissue and trigger a drop in adiponectin, a hormone excreted by fat that helps control sugar levels in the blood.
The new microbiota may trigger weight loss, says gastroenterologist Lee Kaplan of Massachusetts General Hospital, by sending chemical signals that cause the human host to burn more calories, which helps use up the body's fat reserves.
In incandescent light, the trigger to push electrons into a higher orbit is heat provided by electricity passing through a carbon filament in a vacuum; in bioluminescence, the electrons are pushed up by two chemicals working together.
To discover this, Hui Liu, Gene Robinson, and Eric Jakobsson of the University of Illinois developed new computational tools to analyze patterns of gene conservation across a wide range of animals, for genes activated and inhibited in the honey bee brain by exposure to a chemical communication signal that triggers alarm.
«We already knew that chemical substances emitted by the backswimmer — a natural enemy of mosquito larvae in the water — trigger a stress response in mosquitoes.
Copper kills by undergoing a chemical reaction with oxygen that destroys the cell walls of most bacteria, triggering cell death.
Experiments conducted in mice and in human ALS cells reveal that when RIPK1 is out of control, it can spark axonal damage by setting off a chemical chain reaction that culminates in stripping the protective myelin off of axons and triggering axonal degeneration — the hallmark of ALS.
Dopamine (which is connected to reward processing, motivation and attention) is one of the brain's primary neurotransmitters, the chemical messengers by which one neuron triggers its neighbor to fire a nerve impulse.
The chemical, which is triggered by light, can also command microscopic nanoparticles suspended in a liquid to neatly separate themselves out for collection.
This form of gene silencing is triggered by a short piece of double - stranded RNA (the chemical cousin to DNA) that matches the gene.
They did it by using a chemical rapamycin which diffuses in to the cell allowing them to trigger endocytosis to occur all over the cell.
New findings published in the journal Nature Chemical Biology by UNC School of Medicine scientists show that MRGRPX2, a receptor protein on the surface of mast cells, can trigger the immune system response that leads to itching associated with some opioids.
The central nervous system can be confused or fooled when these pain fibers are stimulated by a chemical, like that in chile peppers, which triggers an ambiguous neural response.
Here, a dinoflagellate population (Noctiluca sp.) turns the ocean a luminous blue color as the disturbance by the wind triggers a light - generating chemical reaction.
Genetic analysis of the activated cells in the two groups of mice showed that the neurons triggered by a full belly released glutamate, a chemical that nerve cells use to signal one another, while the neurons triggered by hunger released a different neurotransmitter, known as GABA.
The same brain chemicals involved in the pleasure gotten from eating are triggered by sex and drugs.
But the message receiver can turn on the key genes and make the colors light up by pressing the nitrocellulose paper into an agar plate containing a chemical trigger that activates expression of the fluorescent proteins.
Now, researchers have determined that an unstable chemical in crushed, raw garlic titillates two receptors on nerve cells that trigger pain — the same receptors that are stung by hot peppers and menthol.
By using the probe of an atomic force microscope to trigger a local chemical reaction, Jeffrey Mativetsky, assistant professor of physics at Binghamton University, and PhD student Austin Faucett showed that electrically conductive features as small as four nanometers can be patterned into individual graphene oxide sheets.
Once formed by either serpentinization or microbes, methane could be stored as a stable clathrate hydrate — a chemical structure that traps methane molecules like animals in a cage — for later release to the atmosphere, perhaps by gradual outgassing through cracks and fissures or by episodic bursts triggered by volcanism.
Certain chemical pollutants can trigger such changes by mimicking or altering the action of the body's hormones, important signaling agents.
Orrock and colleagues activated tomato plants» defenses by spraying them with increasing concentrations of methyl jasmonate — a version of a chemical that plants release when they are being attacked that triggers downstream responses such as increased production of toxic metabolites.
When the body is attacked by microbes, macrophages release a flurry of chemical signals that trigger inflammation.
NSAIDs» mainly act by blocking two enzymes called COX - 1 and COX - 2; these enzymes create a molecule that can be converted to several different substances, including PGE2 — the hormone - like chemical that triggers EP2 action.
A few interesting articles in early life human microbiome, plus: A comparison between Staphylococcus epidermidis commensal and pathogenic lineages from the skin of healthy individuals living in North American and India; A new tool to reconstruct microbial genome - scale metabolic models (GSMMs) from their genome sequence; The seasonal changes in Amazon rainforest soil microbiome are associated with changes in the canopy; A specific class of chemicals secreted by birds modulates their feather microbiome; chronic stress alters gut microbiota and triggers a specific immune response in a mouse model of colitis; and evidence that the short chain fatty acids profile in the gut reflects the impact of dietary fibre on the microbiome using the PolyFermS continuous intestinal fermentation model.
Commercial dyes work by using harsh chemicals, such as ammonia and bleach, to first pry open the cuticle scales to allow colorant molecules inside and then trigger a reaction inside the hair to produce more color.
But when absorbed by seawater, the greenhouse gas triggers chemical reactions, causing the ocean to acidify.
This brain inflammation is caused by the release of cytokines, chemical messengers in the body that trigger an immune response, similar to a viral infection.
She started taking Singulair once a day, which helps prevent asthma attacks by blocking the chemicals that the body releases in response to asthma triggers.
By contrast, when we move with ease we trigger our body's Relaxation Response — a chemical cascade responsible for overall health and healing.
Also known as «adult cradle cap,» sebo is a type of eczema triggered by stress, hormone imbalance, chemical irritants in shampoos, and extremely dry or cold weather.
The researchers discovered when green tea is broken down by gut enzymes, the resulting chemicals are in fact more effective against the main triggers of the development of Alzheimer's compared to the undigested form of the tea.
They are triggered by various natural food chemicals or additives that irritate the nervous system of sensitive people.
Cravings are triggered by the biological properties of the food itself: this means particular foods have a chemical makeup that causes us to want them.
Inflammation is usually characterized by redness on the affected area, and can be triggered by many things, including overexertion, immune response to pathogens, injuries, and the effects of chemicals or radiation.
On a deeper level, it helps heal your body by flushing out free radicals and toxins, which are among the top five environmental triggers since we are exposed to industrial chemicals everyday.
Drink Fluoride - Free Water: Fluoride in water, and a rocket fuel manufacturing by - product known as perchlorate, and other toxic chemicals are among the many substances in water that may trigger or worsen the risk of thyroid problems.
Chemicals are released by the white blood vessels, including cytokines and histamines, which can trigger an increase in blood flow to the area.
This chemical stimulates «desire and reward» by triggering an intense rush of pleasure.
They are found throughout the body and are triggered by mechanical, chemical, or thermal stimuli.1
Pheromones are species - specific naturally occurring chemical signals that are excreted or secreted by an individual to trigger a social response in that same species.
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