Sentences with phrase «small water molecules»

Rather, the work of folding is done by much smaller water molecules, which surround proteins and push and pull at them to make them fold a certain way in fractions of a second, like scores of tiny origami artists folding a giant sheet of paper at blazingly fast speeds.

Not exact matches

They are the principal component, other than water, of all living forms, but the nucleic acids alone have the remarkable property of being capable of duplicating their patterns, whatever they may be, from small molecules in their medium.

Read the Whole Story The microwave acts upon water molecules, ensuring that they evaporate before the tomato skins brown or cook.Cooking them in small, single - layer batches helps them dehydrate more quickly and evenlyGrinding the skins with sugar and salt helps amp up the tomato flavor.

MRIs work by tapping into an astonishing phenomenon: When placed in a powerful magnetic field, the hydrogen atoms in water molecules behave like small bar magnets.

As one water molecule evaporates through a pore in a leaf, it exerts a small pull on adjacent water molecules, reducing the pressure in the water - conducting cells of the leaf and drawing water from adjacent cells.

NMR, meanwhile, allows researchers to study biological molecules in a solution, such as water — but its use has generally been limited to relatively small proteins.

The new - generation microporous material designed at Dartmouth is the result of chemically stitching small organic molecules to form a framework that scrubs the isotope from water.

Previous research at The University of Manchester found that if immersed in water, graphene - oxide membranes become slightly swollen and smaller salts flow through the membrane along with water, but larger ions or molecules are blocked.

The smart gel could provide structural rigidity in organs such as the lungs, and can contain small molecules like water or drugs to be transported in the body and released.

If it can be developed into a successful technology, the new material might help remove from the water supply small organic molecules such as Bisphenol A (BPA), a byproduct of some plastic manufacturing that has been linked to environmental damage and health risks.

Fortunately Kappler has an answer in development: a breathable material with micropores small enough to keep out dangerous molecules, but just large enough to let out water molecules, so that I can stay comfortable for hours while I'm wading through pools of glowing green goo.

Water is seen as small red and white molecules on large nanodiamond spheres.

«Sodium ions are much smaller than the hydrogen protons bound to oxygen molecules in the water in our bodies which are mapped by conventional MRI.

Sodium ions naturally occurring in the body are much smaller than water molecules and are involved in many body functions associated with pathology.

The fine walls of small blood vessels, called capillaries, function as semi-per-meable membranes: water molecules can pass through them.

But when cells undergo stress — anything from heat to starvation or infection — proteins and ribonucleic acid (RNA) molecules can clump into stress granules, which are free of enclosing membranes and often form small globs akin to hair gel suspended in a tub of water.

Saladino and Di Mauro's work suggested that the first, small RNA molecules were most likely to come together in a water - free environment — like a formamide - rich lagoon.

Regular small oil spills in other marine waters have adapted («learned») microbes to eat oil molecules.

First, the fungi accumulate sugars and other small molecules in their cells, which, in turn, brings in more water.

At the smallest scale, ions in solution can not readily attach to the growing crystal because water molecules that solvate (interact with) the ions are not readily dislodged, he said.

According to their multi-scale analyses, a single ion has a small but measurable influence on millions of water molecules, that is 10,000 times more than previously thought.

Our work has shown that this simple picture works quantitatively in some cases with a homogeneous surface, for instance water molecules surrounding small sugar molecules, but breaks down in other cases, for instance hydration water around crowded proteins.

Most surfactants, like soap molecules in bubbles and phospholipids in cellular membranes, have small water - loving (hydrophilic) heads and long fat - loving (hydrophobic) tails that determine how they arrange in space.

Using a technique they developed last year, the researchers then etched tiny, uniform holes in graphene — small enough to let water molecules through, but not larger contaminants.

Simultaneously, as the average liquid droplet becomes smaller through evaporation, the vapor's density increases, so more vapor molecules merge at a faster rate to become microscopic liquid droplets, and more water molecules are ionized.

Results with small, electrically charged cyanide ions and water molecules reveal that water zips around ions to a greater extent than expected.

Principal investigator Livia Eberlin, a chemistry professor at the University of Texas at Austin, explained that it's designed to gently extract small molecules from the surface of living tissue using nothing but a suspended droplet of water.

PNNL chemist Dr. Sotiris S. Xantheas and colleagues Dr. Soohaeng Yoo, also at PNNL, and Dr. Mikhail Kirov of the Russian Academy of Sciences had previously applied this approach on a smaller arrangement consisting of a hollow cage of 20 water molecules.

The solvation shell was uneven as a small cavity formed on one side between the ion and the water molecules.

Ceres... provide evidence that complex organic molecules and even amino acids are ubiquitous on small bodies in the solar system and that water ice is abundant in the asteroid belt.»

With graphene membranes, it becomes simply a matter of controlling the size of the pores, making them «larger than water molecules, but smaller than everything else,» O'Hern says — whether salt, impurities, or particular kinds of biochemical molecules.

The team tested the graphene membranes by passing water, salts and other molecules through them, and found the material's performance «comparable to graphene membranes made using conventional, small - batch approaches.»

«Recent spacecraft studies of Comet 67P / Churyumov - Gerasimenko with Rosetta and of [asteroid] Ceres... provide evidence that complex organic molecules and even amino acids are ubiquitous on small bodies in the solar system and that water ice is abundant in the asteroid belt.»

From what I gather, the ocean, being the huge black body it is, emits a heck of a lot of radiation, a small portion of that gets absorbed by the occasional water vapor molecule (which probably also came from the ocean) or CO2 molecule (which also may have come from the ocean).

By assessing the permeation of water - soluble molecules lactulose and mannitol through the intestinal mucosa after testing a urine sample collected after the drink, accurate information is obtained regarding the integrity and function of the lining of the small intestine.

These gentle facial cleansers use micelle technology — small, round molecules suspended in a water solution — to gently help address impurities from the skin's surface, without ever having to lather!

All micellar waters utilize gentle micelles, which are small, round cleansing molecules that work together to trap and collect dirt, oil, makeup, and other impurities off your skin's surface.

All micellar waters are formulated with micelles, cleansing molecules that are small in size but mighty in strength.

just a small example: rain washes CO2 from the air into the sea - > water turns CO2 into carbonic acid - > coral absorbs that compound — > keeps the carbon for itself - > releases the oxygen from the CO2 molecule, to replenish the seawater with oxygen.

And, conversely, is there a constant rain of water molecules from small comets entering the atmosphere?

Visible light from the Sun works on the electronic transitional level which is too small to move the molecules of matter of land and water into vibration which is what it takes to heat these up.

Since the «nonphysical» part of the derivation is that small puzzle where the number of water molecules can exceed the «limits» imposed by RH, the paper would be meaningless anyway:)

This usually happens when the molecule encounters a comparatively large mass that absorbs its kinetic, such as a small water droplet, soot particle, or spec of floating dust (I'll include «cosmic particulate «radiation» here) at this lower temperature.

If, to take a very simple example, there were two molecules of ink and 14 molecules of water, in a 4 x 4 array, there are 16 x 15 / 2 = 120 different arrangements of the ink, only a small number of which have the two ink molecules adjacent.