Sentences with phrase «absorbs the molecules of»

Not exact matches

Producing methamphetamine gives off toxic fumes, and Bridger's laser technology, which is still in development, detects these gases by measuring the amount of light absorbed by the gas molecules.

Golden Rice is a strain that is genetically modified by molecular techniques (and therefore labeled a genetically modified organism or GMO) to produce β - carotene, a precursor of vitamin A. Vitamin A is an essential component of the light - absorbing molecule rhodopsin in the eye.

Interestingly, the soluble fiber in oats attaches to cholesterol molecules and transports them out of the body rather than being absorbed into the bloodstream, which can help lower cholesterol and reduce the risk of heart disease.

The laser generates a specific wavelength of light that is absorbed in a stoichiometric fashion by glucose molecules — the more glucose molecules; the more photons are absorbed.

Regular cane sugar (sucrose) is made of two - sugar molecules bound tightly together — glucose and fructose in equal amounts.The enzymes in your digestive tract must break down the sucrose into glucose and fructose, which are then absorbed into the body.

These molecules are absorbed by your blood, and when they get close to the breast they are transported into the milk making cells of the breast via diffusion.

To maintain this level, your blood creates its own buffer system consisting of molecules that absorb excess hydrogen ions if things get too acidic, or release them if the blood is too basic.

These molecules initially comprise just a small fraction of the gas, but they can absorb heat from the surrounding gas and get rid of it by emitting light, thereby cooling the cloud enough for stars to form.

The calorie reductions were calculated individually through the ratio of isotopes absorbed by the participants» molecules and tissues over 2 weeks, a technique that accurately pinpoints a weight - maintenance calorie level.

These sacs of water and RNA will also grow, absorb new molecules, compete for nutrients, and divide.

The result is ammonium nitrate and ammonium sulfate, molecules that condense with others of their kind, plus water, to form tiny particles in the air that absorb sunlight and block visibility — smog.

Scientists, in collaboration with ICI Australia, experimented with hundreds of versions of the MAA molecule, knocking off water - soluble groups and adding others to enhance the ruggedness of the light - absorbing part of the molecule.

A team led by Stuart Licht at the Technion - Israel Institute of Technology in Haifa has come up with a new cathode made from unusual iron - based molecules — iron (VI), or «super-iron,» compounds — that absorb more electrons than manganese dioxide.

The researchers focused on a hybrid membrane that is part polymer and part metal - organic framework, which is a porous three - dimensional crystal with a large internal surface area that can absorb enormous quantities of molecules.

The molecule gets rid of some of the absorbed energy by heating up the material around it, and this generates a pressure wave.

At this high pressure, nitrogen lost all signs of being a molecule — infrared light that normally is absorbed by nitrogen - nitrogen bonds passed right through the sample, they report in the 7 August Physical Review Letters.

The team used calculations based on quantum mechanical equations to predict the chances of a CO2 molecule absorbing different colours of light, which have defined energies.

The young chemist did not know why the resulting color was so vivid; the ability of molecules to absorb photons at specific wavelengths based on the structure of their shared electron bonds would not be worked out for another fifty years.

They analyzed the samples for colored dissolved organic matter, which contains light - absorbing molecules from the breakdown of plant polymers such as lignin.

«This suggested that the negatively charged indole acetic acid hormone molecule is absorbed into the root hair cell together with an excess amount of positive ions,» Hedrich says.

To interpret their results, however, it is necessary to have a very precise answer the question «How much radiation does one molecule of CO2 absorb?»

When the quantum dots absorb ambient light, they transfer some of that energy to nearby dye particles, causing the crystal violet to release a kind of high - energy oxygen molecule that kills microbes.

During a transit, some starlight passes through the planet's atmosphere, and molecules in the atmosphere absorb specific frequencies of that light.

As a transiting planet passes in front of its star, some starlight passes through the planet's atmosphere and continues on toward Earth — minus certain spectral frequencies that have been absorbed by molecules in the atmosphere.

High - resolution x-rays of the antibodies showed that this theory made sense: The antibodies include sites that can bind oxygen molecules, others that can hold water molecules, and an amino acid where UV light can be absorbed.

Molecules in the intervening gas clouds absorb radio waves at specific frequencies determined by the type of mMolecules in the intervening gas clouds absorb radio waves at specific frequencies determined by the type of moleculesmolecules.

Tinetti says the earlier studies could be a product of the planets» bright sides cooking to the same temperature throughout, which makes atmospheric molecules less likely to absorb radiation from below.

When a molecule absorbs a photon — the fundamental particle of light — electrons in the molecular system are promoted from a low - energy (ground) state to a higher - energy (excited) state.

To get a different view, astronomer Giovanna Tinetti and her colleagues at the European Space Agency and University College London focused instead on the light grazing the atmosphere of HD 189733 b. Tinetti had predicted that water would absorb more light at the longer wavelength of 5.8 microns (thousandths of a millimeter) than at 3.6 microns, in contrast with other molecules such as methane and ammonia.

This molecule, which the researchers call pteronenone, had a structure similar to that of chemicals which absorb the Sun's damaging ultraviolet rays and are carried by other planktonic creatures (Journal of Organic Chemistry, vol 60, p 780).

The light harvesting antenna molecules, called N - alkyl -2-aminoterephthalates, can be designed to absorb specific colors of light when incorporated in the MOF.

And to know what to look for — water molecules absorb and emit different wavelengths of light when they're superhot and furiously jiggling — Bernath heated a tube of water in his lab to 2800 degrees.

The wavelengths of the absorbed light reveal how the target molecule's chemical bonds vibrate, which in turn tells about the types and positions of atoms in the molecule, the kinds and strength of bonds among atoms and the symmetry of the molecule, Milo says.

This chiral light is absorbed differently by molecules of opposite handedness.

Many molecules absorb light of this spectral region in a very characteristic way — they can be considered to have an «optical fingerprint.»

He recently has focused on a specific skin - barrier protein called filaggrin, which is broken down into a molecule called urocanic acid — the most potent absorber of UVB light in the skin, according to Elias.

When exposed to a concentration gradient of glucose — more sugar in one spot than another — the polymersomes absorb the sugar molecules and break them down.

Some observations of how cosmic molecules emit and absorb light at ultraviolet wavelengths have hinted that the fine structure constant, responsible for the strength of electromagnetism, is not the same throughout the universe.

The first stage absorbs light in the form of photons and uses it to produce energy storage molecules, which are then used to power the second stage, which fixes carbon from the air into carbon - based sugars, such as sucrose and starch.

Ocean acidification in particular, caused as the ocean absorbs carbon dioxide from the atmosphere, is a grave concern for stony corals, because it makes it harder for the animals to passively precipitate skeletons made of calcium carbonate, the same molecule found in antacids for heartburn and indigestion.

Temperatures in the low stratosphere rise because of molecules absorbing radiation from the star (right).

This atmospheric layer includes molecules that absorb ultraviolet and visible light, acting as a kind of «sunscreen» for the planet it surrounds.

Which molecules are found in the atmosphere on aerosols will determine whether they absorb or reflect sunlight, affecting the temperature of the planet.

For example, molecules in a planet's atmosphere will absorb a certain amount of energy from starlight and radiate the rest back out.

Rebecca Rapf, Veronica Vaida and colleagues at the University of Colorado propose that a class of compounds called α - keto acids can be photo - activated by sunlight and drive reactions with molecules that do not themselves absorb sunlight.

As this light passes through the exoplanet's atmosphere, some of it is absorbed by atmospheric molecules.

When the beam aligned with the molecule's axis, the molecule absorbed the beam's energy and emitted a telltale burst of fluorescence.

Like all other molecules, carbon dioxide molecules absorb only certain colors of light, producing a unique pattern of dark features in the spectrum.

By absorbing a photon of light, photosensitive molecules can reposition chemical bonds and thus create a «kink» in the polymer chain.

In most animals, the main job of the stomach is to break down large food molecules into smaller ones, so that they can be absorbed into the blood more easily.