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Tag: "light" at medical news

Dartmouth's alternative breast imaging techniques sort abnormal from normal tissue

...er and blood than regular tissue. NIR: Infrared light is sensitive to blood, so by sending infrared light through breast tissue with a fiber optic array, the researchers are able to locate and quantify regi...

DFG approves 11 new Collaborative Research Centers

...n response to external stimulation, for example by light or magnetic field, a peculiarity that SFB 677 Switch Functions will investigate in greater depth. One of the objectives of their work will be to develop autonomous molecular switches suitable for use in medical or technical applications. (Host univer...

Researchers call for investigation into links between khat use and psychiatric disorders

...ble association with psychiatric disorders. In light of ongoing international concern about a contributory association between use of khat and ill mental health, Dr Nasir Warfa - lecturer in Transcultural Psychiatry at Queen Mary, University of London - has reviewed clinical case reports, alongside qua...

Aluminum foil lamps outshine incandescent lights

...y are optimized, Eden said. A typical incandescent light has an efficacy of 10 to 17 lumens per watt. The researchers also demonstrated flexible plasma arrays sealed in polymeric packaging. These devices offer new opportunities in lighting, in which lightweight arrays can be mounted onto curved surfaces o...

Phase II study shows combination improves survival of metastatic melanoma patients

...he ozone layer, but also, more cases are coming to light due to greater public awareness. "The increase in incidence is a big worry, particularly when we still do not have an effective treatment. That's why this step, however small, is important," Dr. Markovic says. ...

Herb shows potential to reduce cancer-related fatigue

.../bookDetails.cfm?mpid=35 ) dispels myths and sheds light on therapies that have been scientifically studied for safety and effectiveness....

Targeted, oral agent Enzastaurin shows favorable results

...ival at 12 months. These data in NSCLC shed new light on the potential versatility of this agent, said Richard Gaynor, M.D., vice president, cancer research and global oncology platform leader for Lilly. Our objective with enzastaurin is to continue investigating the efficacy and safety of this unique m...

New insights into chronic inflammation and atherosclerosis

..., or from local inflammation of vessels? To shed light on the link between chronic inflammation and ather... in both groups. All specimens were evaluated, by light microscope, for evidence of chronic inflammatory cell infiltration in the aortic wall. This was ach...

Poorer countries could struggle to implement new International Health Regulations

...from the global surveillance system, especially in light of the threat posed by avian influenza." The Editorial adds that to ensure global health security, countries not only have to protect the wellbeing of their own populations but also those of fellow nations. The international community has agreed a ...

Advances in screening and markers improve early detection of colorectal cancer

...ras) that have a wider angle of view and non-white light capabilities, such as narrow band imaging (NBI). ...lonoscopic polyp miss rate, comparing NBI to white light imaging. NBI changes the white light normally emitted by the colonoscope to a bluish light, provi...

WFU to host international conference of physicists

...ubstances, generally crystals, that emit pulses of light when they absorb high-energy radiation such as gamma rays. Improvements in scintillator crystals are yielding not only important findings in high-energy particle research and astrophysics but timely and practical applications in oil exploration, medi...

Adult brain cells rediscover their inner child

...arning and memory, by injecting virus particles to light up nerve progenitor cells. Any freshly made nerves glowed green and become permanently marked for later identification. "In essence, we stamped a birth date on new adult nerve cells," says Hongjun Song, Ph.D., assistant professor of neurology at ...

Certain combination therapy found more effective for treating malaria in African children

..."Considering the availability of resources such as light microscopy and rapid diagnostic tests, as well as increasing funding through such programs as the Global Fund and President's Malaria Initiative, it seems that improved malaria management, with evaluation and diagnosis-based treatment for all febrile...

Medical, high-energy physicists collaborate to improve PET scans

...icoseconds (a trillionth of a second). A photon of light can travel approximately one inch in 100 picoseconds. Frisch would like to increase the resolution to one picosecond. "We are not as ambitious as Henry," Chen said. "We are aiming more toward 30 picoseconds." In the PET world, more accurate parti...

Sight specialists to shed light on vision loss at UH conference

... speaker for the symposium. "You need to have good light for anything you want to do, not just reading. You need contrast. If you're chopping onions, do it on a black cutting board, and if you're chopping meat, do it on a white cutting board. You need to cut the glare. Use sunglasses with yellow, orange an...

Hair straightening chemicals not linked to breast cancer risk in African-Americans

...of breast cancer than are Caucasian women. To shed light on these findings and to study potential causes of breast cancer and other serious illnesses that affect black women, the Black Womens Health Study was launched across the United States in 1995. More than 59,000 women completed an initial questionnai...

International award

...he eye, especially the retina, using special laser light instead of ultrasound. Professor Drexler said: "This prize is an honourable reward for the excellent accomplishments of the members of my group and co-workers, an important appreciation for the School as well as Cardiff University and a clear indic...

Ulcerative colitis sufferers find UC quite disruptive to many aspects of daily life

...vy psychological toll, which is further brought to light when comparing UC patient responses to the survey responses of people with three other chronic health conditions migraines, rheumatoid arthritis (RA) and asthma, who were also surveyed as part of UC: NORMAL. Eighty-two percent of UC patients said th...

Commercializing university research -- Hopping robots, liquid shoes, electricity from heat

...eering, for a project titled, "Zinc Oxide nanowire light emitting diodes (LEDs) - cheaper and brighter light source." Nanowires are one-dimensional nanostructures with the diameter from a few nanometers to a f...

Soft contacts designed for cone-shaped cornea

...es by measuring with wavefront sensors exactly how light enters the subjects eyes through the misshapen cornea. In collaboration with Bausch & Lomb, an oscillating tool lathe sculpted the front surface of the lens. Keeping the lenses exactly in place is still a challenge, as blinking notoriously shifts ...

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(Date:11/24/2009)...ass of ring-shaped protein motors has been uncover...nal Laboratory (Berkeley Lab) using a state-of-the...ced Light Source (ALS). These protein motors play ...and are vital to the survival of all biological ce...an papillomavirus, which has been linked to cervic...
(Date:11/24/2009)...search on bacterial communities throughout six lar...poral patterns, suggesting that scientists could u...mate change in the polar regions. The study, publi... Academy of Sciences Early Edition, shows that ba...hronously over time, correlating with seasonal shi...
(Date:11/23/2009)... day matters to forest trees dealing with drought,...eam led by Professor Malcolm Campbell, University ...ch and colleagues in the department of cell and sy...talizing on their previous work to decode the geno...how poplar trees use their 45,000 genes to respond...
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