Sentences with phrase «of ultraviolet light at»

Using premier beams of ultraviolet light at the ALS, a DOE national user facility for synchrotron radiation, the collaboration has reported the first demonstration of high - temperature superconductivity in the surface of a topological insulator — a unique class of advanced materials that are electrically insulating on the inside but conducting on the surface.

Then he set up a plasma lamp to fire beams of ultraviolet light at the chamber, much like the radiation present in planet - and star - forming regions of dust clouds.

Not exact matches

At a distance of 5,500 light years, the blue straggler binary appears as a single point of light, but by analyzing the amount of ultraviolet light, the researchers saw the unmistakable signal of a white dwarf.

The Dalian Coherent Light Source, whose completion was announced today in Beijing, has a twist that makes it unique: It is the only large laser light source in the world dedicated to the particular range of short - wavelength light called vacuum ultraviolet, which makes it «a new tool for the detection and analysis of molecules undergoing chemical reactions,» says Alec Wodtke, a physical chemist at the Max Planck Institute for Biophysical Chemistry and the University of Göttingen in GermLight Source, whose completion was announced today in Beijing, has a twist that makes it unique: It is the only large laser light source in the world dedicated to the particular range of short - wavelength light called vacuum ultraviolet, which makes it «a new tool for the detection and analysis of molecules undergoing chemical reactions,» says Alec Wodtke, a physical chemist at the Max Planck Institute for Biophysical Chemistry and the University of Göttingen in Germlight source in the world dedicated to the particular range of short - wavelength light called vacuum ultraviolet, which makes it «a new tool for the detection and analysis of molecules undergoing chemical reactions,» says Alec Wodtke, a physical chemist at the Max Planck Institute for Biophysical Chemistry and the University of Göttingen in Germlight called vacuum ultraviolet, which makes it «a new tool for the detection and analysis of molecules undergoing chemical reactions,» says Alec Wodtke, a physical chemist at the Max Planck Institute for Biophysical Chemistry and the University of Göttingen in Germany..

At six of the sites, the team also irradiated the samples with ultraviolet (UV) light, mimicking the effects of sunlight.

Now, a new study on Earth allays those fears, at least partially, showing that 8 hours of harsh ultraviolet (UV) light can decimate even the hardiest of bacteria.

The Lymphocyte Genome Sensitivity (LGS) test looks at white blood cells and measures the damage caused to their DNA when subjected to different intensities of ultraviolet light (UVA), which is known to damage DNA.

Islands of amorphous water ice were created on a substrate by irradiating crystalline ice with ultraviolet light at -263 C / -441 F.

The $ 100 battery - powered SteriPen Journey allows you to purify two pints of water at a time in just 90 seconds by immersing a handheld ultraviolet light emitter in a bottle or other container.

In 2008, Eleftherios Goulielmakis at the Max Planck Institute for Quantum Optics in Garching, Germany, and his colleagues generated what were then the shortest pulses of light ever achieved: extreme ultraviolet bursts just 80 attoseconds long.

Artist's conception of evolution of metal - poor and «metal - rich» supernovae at different phases and simulated light curves from shock breakout (ultraviolet) through plateau (red, green and blue colors) to exponential decay.

But in standard solar cell materials this requires that incoming photons have at least 5 electron volts worth of energy, which corresponds to photons of deep ultraviolet light (UV).

The first, led by Edward Sargent, an electrical engineer at the University of Toronto in Canada, started by simply blasting a perovskite film with a beam of ultraviolet light.

A new study suggests that the iron - and - sulfur clusters at the heart of many life - critical enzymes could have been floating around Earth's primordial seas some 4 billion years ago, produced by nothing more than primitive biomolecules, iron salts, and a previously unknown ingredient — ultraviolet (UV) light.

The images at right of Earth's aurora borealis — the shimmering lights created by particles of solar wind crashing into the polar atmosphere — were taken on April 9 by the UltraViolet Imager, an instrument on board nasa's polar satellite.

Based on the pioneering work of Dr. Claire Lugassy and Dr. Raymond Barnhill at UCLA's Jonsson Comprehensive Cancer Center, a new study provides additional support for a process by which melanoma cells, a deadly form of skin cancer, can spread throughout the body by creeping like tiny spiders along the outside of blood vessels without ever entering the blood stream, and that this process is exacerbated by exposure to ultraviolet (UV) light.

David Sánchez - Quiles, a doctoral candidate at the Mediterranean Institute for Advanced Studies in Spain, explained that nanoparticles of TiO2 act as ultraviolet light filters in sunscreens, but are often coated with silica or alumina to avoid undesirable reactions on the skin.

But Alex Dessler, a space physicist at the University of Arizona, Tucson, says the same area of the planet also produces unusual radio signals, flares of ultraviolet light, and high levels of infrared radiation and even seems to be correlated with a patch in Jupiter's magnetosphere that pumps out high - energy electrons.

But take a peek at ultraviolet light (left), and you'll see that IC 3418 has a tail — one that's filled with thousands of young stars.

The vaccine, which consists of a virus that has been killed with chemicals or ultraviolet light, offers a good degree of protection, says Martin Hugh - Jones, a veterinary epidemiologist at Louisiana State University in Baton Rouge.

The study led by Donahue looked at far - ultraviolet light from a variety of massive elliptical galaxies found in the Cluster Lensing And Supernova Survey with Hubble (CLASH), which contains elliptical galaxies in the distant universe.

«Ultraviolet (UV) light can actually damage DNA, and that's not good for the skin,» said Guy German, assistant professor of biomedical engineering at Binghamton University.

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.

Application of sun protection factor 30 (SPF30) sunscreen prior to exposure to ultraviolet - B (UVB) light delayed melanoma onset in a mouse model of the disease, according to data from a team at The Ohio State University Comprehensive Cancer Center Comprehensive Cancer Center — Arthur G. James Cancer Hospital and Richard J. Solove Research Institute.

Researchers at Binghamton University, State University of New York have developed a coating made out of DNA that gets better at protecting skin from ultraviolet light the more you expose it to the sun, and it also keeps your skin hydrated.

THE MOMENT: Corals glow under ultraviolet light at a depth of 20 feet off Roatán Island, Honduras.

Irradiating ballast water with ultraviolet (UV) light may be a simple way to stop invasive species, according to a study presented here on 21 May at a meeting of the American Society for Microbiology.

The group of Majed Chergui at EPFL, along with national and international colleagues, have shed light on this long - standing question by using a combination of cutting - edge experimental methods: steady - state angle - resolved photoemission spectroscopy (ARPES), which maps the energetics of the electrons along the different axis in the solid; spectroscopic ellipsometry, which determines the optical properties of the solid with high accuracy; and ultrafast two - dimensional deep - ultraviolet spectroscopy, used for the first time in the study of materials, along with state - of - the - art first - principles theoretical tools.

While genetics play a role in the development of Lupus, a systemic autoimmune disease that can attack any organ system in the human body, so do environmental triggers, such as particulates in air pollution and ultraviolet light, explains Gaurav Gulati, MD, a physician - researcher at the University of Cincinnati (UC) College of Medicine.

A COMMON powder and ultraviolet light could provide a cheap cure for «sick buildings», according to researchers at the University of Florida.

«We know the cause of skin cancer — too much ultraviolet light,» says James Spencer, vice-chair and director of dermatologic surgery at Mount Sinai School of Medicine.

Working in collaboration with scientists from the Deutsches Textilforschungszentrum in Krefeld and Sungkyunkwan University in Suwon, Korea, researchers at the Max - Planck - Institut für Kohlenforschung in Mülheim an der Ruhr have developed a process for immobilising different organic catalysts on textiles with the help of ultraviolet light.

For artificial lighting throughout the museum, conservators chose novel bulbs that use ultraviolet LEDs rather than the standard blue ones, and different blends of light - emitting phosphors that better approximate natural light when operated at the low intensity needed to avoid damaging fragile pigments.

For the first time, scientists working at the National Institute of Standards and Technology (NIST) have demonstrated a new type of lens that bends and focuses ultraviolet (UV) light in such an unusual way that it can create ghostly, 3D images of objects that float in free space.

Researchers at the National Institute of Standards and Technology (NIST) have put this hydrogen «cure» to practical use, making optical fibers that transmit stable, high - power ultraviolet laser light for hundreds of hours.

The light - absorbing molecules break off from the chains when exposed to ultraviolet light at 350 nanometers wavelength, triggering degradation of the plastics.

When Ruben and his colleague Willem J. Hillenius of the College of Charleston, in South Carolina, illuminated Scipionyx with ultraviolet light the fossilized tissues fluoresced in various colors because they had replaced by minerals at differing rates.

They showed a slightly weaker preference for the magnetic field when the light was filtered to allow in only some of the ultraviolet and blue light of the spectrum, and they had no preference at all when ultraviolet and blue light were absent.

At the center of our galaxy, in the immediate vicinity of its supermassive black hole, is a region wracked by powerful tidal forces and bathed in intense ultraviolet light and X-ray radiation.

In 2003, however, researchers at the University of Groningen in the Netherlands who mounted single molecules of diarylethene between gold electrodes found that, even though the switches could be turned off by visible light, they could not then be turned back on by ultraviolet.

Sweeping an ultraviolet light wand over a box of rocks in a darkened room at the museum, he ignites the stones — uncut rubies — in a burst of fiery red light that is otherworldly.

The Pierre Auger Cosmic Ray Observatory is netting signals from the most energetic particles in the universe: ultrahigh - energy cosmic rays, which slam into the atmosphere at speeds no accelerator can match, sparking air showers of subatomic particles and ultraviolet light.

They are electromagnetic waves like visible light but situated at the high energy / short wavelength end of the electromagnetic spectrum, between ultraviolet light and gamma rays.

This suggests that the accretion disk and gas stream are strong enough to survive despite the damage caused by ultraviolet light,» explained Andrés Guzmán, the study's principal researcher and a postdoctoral fellow at the University of Chile.

The «colours» are due to differences in the surface temperature of starsw1: hotter stars emit most of their light in the visible blue or ultraviolet regions of the electromagnetic spectrum, whereas cooler stars radiate at longer wavelengths, in the visible red or infrared regions (see Mignone & Barnes, 2011a).

Extensive ongoing observing programs, led by Harry Teplitz and Richard Ellis at the California Institute of Technology, will allow astronomers to study the deep - field galaxies with Hubble to even greater depths in ultraviolet and infrared light prior to the launch of JWST.

The moss consists of hot gas at about two million degrees Fahrenheit which emits extreme ultraviolet light observed by the TRACE instrument.

Solar moss consists of hot gas at about two million degrees Fahrenheit which emits extreme ultraviolet light observed by the TRACE instrument.

Michigan researchers will look at the ability of high intensity ultraviolet light delivered by Xenex Germ - Zapping Robots to protect patients from deadly superbugs, such as Clostridium difficile, found on surfaces.

This sequence of images of the the Sun in ultraviolet light was taken by the Solar and Heliospheric Observatory (SOHO) spacecraft on Feb. 11, 1996 from its unique vantage point at the «L1» gravity neutral point 1 million miles sunward from the Earth.