Tag: "light" at medical news
Study: Brain battles itself over short-term rewards, long-term goals
... one another." The findings also may cast light
on other forms of impulsive behavior and drug addiction. "Our results help explain how and why a wide range of situations that produce emotional reactions, such as the sight, touch or smell of a desirable object, often cause people to take i...
Department of Energy announces new agreement with USC, national labs and private company
...a (RP), both of which destroy the cells that allow light
to be translated into recognizable images. By 2020, that figure is expected to double, creating a virtual vision-loss epidemic. It is this current need, as well as the future threat, that prompted the DOE to create this artificial retina projec...
DOE labs, universities and second sight partner to speed development of 'artificial retina'
... nuclear medicine and imaging atoms at synchrotron light
sources. The National Institutes of Health and the National Science Foundation are also supporting the project....
New survey reveals treatment goals of people with schizophrenia
...sing on treatment goals for schizophrenia shed new light
on what physicians and people with schizophrenia feel is important for long-term quality care, according to Ronald J. Diamond, M.D., co-author of the study. "When we treat people with any kind of chronic illness, especially schizophrenia, it's impor...
Melanin makes skin vulnerable to harmful ultraviolet rays
...but the melanin in hair follicles, particularly in light
hair, actually increases the sun damaging effects of UV rays and causes cell death in the hair follicle, said Douglas Brash, principal investigator and professor of therapeutic radiology, genetics and dermatology at Yale School of Medicine. Brash sai...
Sealing corneal incisions with a drop of chemistry, BU researchers develop gel for cataract surgery
...ion that obscures vision by gradually blocking the light
that enters the eye. To remove a clouded lens, a ... the human cornea (thus it will not interfere with light
reaching the retina), both solid pluses for repairing incisions to the outer eye. "We are excited ab...
Global air pollution map produced by Envisat's SCIAMACHY
...'noise' from air particles' Rayleigh scattering of light
(the same phenomenon that causes the sky appear blue) along with the absorption patterns from the oxygen, nitrogen and water molecules that make up most of the atmosphere. Left behind after these subtractions is the desired 'signal' of narrower trac...
Barbed sutures, wrinkle fillers give patients more innovative, non-surgical options
... Fraxel SR Laser, the next generation in laser light
treatment which received FDA approval in July 2004...Surgery 2004. Unlike other lasers, this laser uses light
to heat and remove microscopic pinpoints of skin, promoting a more effective result and faster recov...
Under the surface, the brain seethes with undiscovered activity
...ng. In the past, researchers would perhaps shine a light
at an unconscious ferret and note which areas of the brain responded, but while that method narrowed the focus to how a single cell responds, it eliminated the chance to understand how the neural network of a conscious animal would respond. Accepting...
Tar measurements on cigarette packets are misleading
...rs. It has underpinned claims that cigarettes were light
or ultralight and has seemingly, and falsely reassured many smokers who might otherwise have quit the habit. They believe that machine measured figures for tar, nicotine, and carbon monoxide should be removed from the packet, and a realistic measure ...
Smart lights, nonstick implants and 100th birthday of electronics at science & technology meeting
...ite lights as a dramatically more energy-efficient light
source; a chemistry-based method of using existing...r, a dielectric and a metal) loses five times less light
than a reflector made solely of metal. Schubert also reports that green, red and blue LEDs combined...
ESA gives green light to funding for GMES
...y GMES. More importantly, the Board gave the green light
to the start of work on the space component of GMES by approving 30m for preparatory activities comprising architecture studies, ground segment design and initial definition studies for the five "sentinels" which will be the backbone of the future Eu...
Optics meeting tips: Internal fingerprints, no cell left behind, 3-D reality
...tour of tiny devices for confining and controlling light
and discuss their novel applications. In "Bio-phot... coherence and polarization, two key properties of light
waves. Senator Clinton will also speak, touching on the impact of optics in the state of New York. ...
Science of perception
... Tarr said face recognition research could shed light
on autism, which has been linked to dysfunction in face recognition abilities. These experiments, Tarr said, are also of interest to government agencies involved in national security. Understanding why some analysts are better at scanning images fro...
Increase in childhood leukaemia may be part due to increased light at night
...ween the rise in childhood leukaemia and increased light
at night at an international scientific conference...he disease. Whilst the link between leukaemia and light
at night may, on the surface, seem surprising, it has a logical basis and there is considerable evid...
Scientists image tooth decay in the 3rd dimension
...es or slices through a 3D object) using structured light
(a beam of light
in a grid pattern). They applied this technique to human teeth for the first time and succeeded in p...
How a dietary supplement can protect against Alzheimer's disease
...reg Cole and his colleagues have shed considerable light
on this protective mechanism. They say that their findings in mice show how Alzheimer's patients seem to be caught in a vicious circle, with their disease accelerating the loss of such essential fatty acids, making dietary supplements especially impo...
Novel imaging technique shows lymph nodes, metastases in breast cancer without surgery
... imaging agent. Its chemical properties would then light
up, in real time, the flow of lymph from breast th...d his team have made in transgenic mice. Some will light
up very early, others later. And then you can also reconstruct the data into a three-dimensional ima...
Chemists honor 'Heroes' for biotechnology achievements in health
... and then activated by shining a non-thermal laser light
into the eye. Schering-Plough Corporation, Kenilworth, N.J., discovered ZETIA TM (ezetimibe), the first in a new class of cholesterol-lowering medicines and the first new treatment option since statins were introduced more than 15 years ago. ZE...
Northeastern professor warns big backpacks cause big back pains
...lend a hand by encouraging kids to keep their bags light
and warn them of the potential danger heavy backpack may cause their growing bodies. Librarians can also protect young spines by keeping a set of school textbooks on reserve to lighten the backpack load on the way to and from school....
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