Sentences with phrase «with tiny molecules»

By targeting this switch with tiny molecules, researchers could deny the macrophages calcium and prevent inflammation — even in the brain.

Not exact matches

It is tempting to speculate that this tiny intruder in a Mandarin DNA molecule gave her son his offbeat fascination with a family which at the same time he wanted to repudiate, as well as his sense of the infinite possibilities of existence which he also knew could never be fulfilled.

A tiny molecule harvested from a soil bacterium on Easter Island that evolved billions of years ago for no obvious purposes should have nothing to do with human beings.

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.

Researchers, including Karnik's group, have developed techniques to fabricate graphene membranes and precisely riddle them with tiny holes, or nanopores, the size of which can be tailored to filter out specific molecules.

Unlike a black hole in space, the X-rayed atom does not draw in matter from its surroundings through the force of gravity, but electrons with its electrical charge — causing the molecule to explode within the tiniest fraction of a second.

The initial idea was to use tiny spheres tagged with antibodies or other molecules to diagnose sepsis, the body's life - threatening response to overwhelming infection.

For instance, tiny black holes could be formed when high - energy cosmic rays collide with molecules in Earth's upper atmosphere.

Unlike the tiny H2O2 molecule, peroxiredoxins can interact specifically with other proteins.

The team coated flexible strands of silicon rubber with a mix of long chains of carbon atoms, called carbon nanotubes, and tiny bunches of silver molecules, called silver nanoparticles.

Each devised different groups of molecules with moving parts that they could control remotely, despite their tiny size.

Looking for plants that tolerate stress Inside the cells of a corn plant, tiny molecules called RNA relay messages to help with cell activity.

Biodegradable plastic molecules (orange) self - assemble with DNA molecules (intertwined, black circles) to form tiny nanoparticles that can carry genes to cancer cells.

For the investigation at the X-ray laser, the researchers grew tiny crystals of the serotonin receptor with the molecule ergotamine attached, which is a migraine drug that targets this receptor.

The dust — and the tiny bacteria and molecules it carries with it across the Pacific Ocean — is then mixing with other airborne particles like sea spray and smoke to have distinct and variable impacts on clouds and precipitation, Prather said.

These new nanoparticles are equipped with specially designed nanovalves that can control release of anticancer drugs from thousands of pores, or tiny tubes, which hold molecules of chemotherapy drugs within them.

The hairs end in tiny nanostructures that interact at the atomic level with molecules on the surface the gecko is trying to grip.

Christian Kuppe, the PhD student who conducted the experiments, said: «At the moment chiral sensing requires high molecular concentrations because you're looking for tiny differences in how the light interacts with the target molecule.

Most do their job well, but they come with a major drawback: «Most drugs in use right now are small molecules, which are very tiny and nonspecific.

The approach consists of a device filled with tiny channels and cavities that DNA molecules can move in and out of, resulting in some of the familiar Tetris shapes, like the «L,» the square, and the zigzag (illustrated above: a DNA molecule, in red, occupies four cavities in a zigzag).

In the new study, researchers placed tiny particles of silicon carbide (one represented by the group of tan molecules in this artist's concept) covered with graphite (hexagonal networks of gray atoms) in a vacuum chamber that duplicated the deep - space conditions surrounding many stars (temperatures between 900 and 1500 kelvins and pressures less than one - billionth that found at Earth's surface).

Only if it can trace even tiny amounts of odor molecules is it is able to find food sources, communicate with conspecifics, or avoid enemies.

They form a functional complex with another protein, the so - called olfactory receptor co-receptor, which enables insects to smell the tiniest amounts of odor molecules in their environment very rapidly.

When a low - energy neutrino or antineutrino from a supernova collides with a water molecule in the tank, the resulting light signal is recorded by about 100 of 13,000 photomultipliers, ultrasensitive light - detecting devices that turn a tiny flash of light into a larger recordable burst of electricity.

The lab made tiny structures — icosahedral, like a 20 - sided die — with two halves that clamp together around a payload of molecules to form a capsule.

At temperatures below 300 degrees Celsius (572 degrees Fahrenheit), the tiny gold - alloy particles, now swathed with water molecules, etch nanoscale pits into the indium phosphide.

The test uses tiny molecular cages embedded with a dye that can catch and trap these sugar molecules, even at low levels.

The fluids react with relatively acidic seawater to produce mineral structures full of tiny pores, where hydrogen and carbon dioxide come together to form simple molecules.

The material forms tiny crystals — a chemically ordered state — but with intrinsic randomness, such that the orientations of the stacked molecules can be arbitrary and the sizes of the crystals different, forming aggregate structures that are highly disordered.

These predictions, which were verified by comparisons with high - resolution microscopic images of real molecules on metal surfaces, may lead to controlled, large - scale fabrication of tiny electrical wires and other nanomaterials for future devices.

Networks of life The inside of a cell seethes with activity, as tiny molecules, enormous proteins and strands of DNA wash around each other going about their business.

The researcher will present evidence showing that tiny blood vessels that supply the brainstem become inflamed in animal models with high blood pressure, potentially because sticky molecules trap inflammatory white blood cells.

Scott D. Collins, Ph.D., University of Maine, Orono $ 850,000 (2 years) «High - speed Nanopore Gene Sequencing» Skilled in silicon fabrication methods, this group will try to fabricate a nanopore with tiny electrodes and built - in circuits that will be used in experiments that attempt to measure differences in the electron tunneling of individual nucleotides in DNA molecules.

Once the molecules were isolated, the team used AFM to measure the tiny forces between the STM tip, which is terminated with a single carbon monoxide molecule, and the sample to image the aryne's molecular structure.

In the experiment, researchers coated the metallic particles with a layer of reactive molecules and focused the ALS - produced infrared light onto the tiny tip (25 nanometers in its diameter) of the atomic force microscope.

Jun. 27, 2012 — An interdisciplinary team of scientists have successfully tagged a protein that regulates the neurotransmitter serotonin with tiny fluorescent beads, allowing them to track the movements of individual molecules for the first time.

But the MIT team discovered that when it coated tiny particles with electrically charged molecules, chloroplants would suck those particles straight inside.

The body instigates a form of biological control through the tiny holes in the protein mesh that trap the citrate fluid, along with other molecules that normally control the deposit of mineral.

Taking it with just a tiny bit of fruit juice before a workout, allows the creatine molecules to bind to the fruit juice.

UV isn't powerful enough to move molecules into vibration which is what heat, thermal infrared, does, uv is even tinier than visible light, we can't feel UV just as we can't feel Visible or Near Infrared because these are not hot, Nothing to do with heat, they work on electronic transition levels not on kinetic vibrational.

Maybe you could provide your little demon who ensures that only speedy gas molecules exit normal to the surface (so they can fall back), whilst simultaneously holding back really speedy molecules above escape velocity (otherwise they will escape the gravitational field, and be lost forever), with a tiny insulating jacket.

OK, do the math for a 10 x 10 array with five molecules of ink, or a 1000 x 1000 array with 50 molecules of ink, or a container of water that may have millions of molecules in each direction, with 5000 molecules of ink, which would give billions or trillions of possible arrangements, only a tiny percentage of which will have all the ink molecules adjacent to each other.