Tag: "blue" at medical news
Cutting-edge technologies signify a new era for colorectal cancer screening
...LIFE" (Light-Induced Fluorescence Endoscopy), uses blue
light with combined fluorescence and reflectant cameras to illuminate and obtain real-time color images during colonoscopy procedures. The light reflected in the colon is different when tumors are present, so the color of the images changes to aid i...
Depression is common in patients after heart attack, new Johns Hopkins study shows
...re complex an issue than just being sad or feeling blue
for a short period," he says. "What we're talking about here is a serious illness."...
Bipolar disorder linked to specific brain regions; certain drugs alter brain metabolism
...h special goggles through which they viewed random blue
letters and occasional targets, indicated by a blue
letter X. Subjects were instructed to respond to the blue
letter X targets by pressing a button. How...
Size of brain structure could signal vulnerability to anxiety disorders
...turned on sometimes with a red light, sometimes a blue
light. On the first day, participants viewed the ...delivered to their hands right after a lamp with a blue
light appeared. They then viewed a series of the photos with no shocks administered. On the second...
Researchers model avian flu outbreak, impact of interventions
...eavian flu. Red indicates areas of infection while blue
indicates areas wherea combination of control measures has been implemented. [AVI format - 17Mb] A carefully chosen combination of public health measures, if implemented early, could stop the spread of an avian flu outbreak at its source, suggest t...
Coffee is number one source of antioxidants
...consumed at anywhere near the level of coffee, the blue
ribbon goes to our favorite morning pick-me-up as the number one source of antioxidants, he says. Besides keeping you alert and awake, coffee has been linked to an increasing number of potential health benefits, including protection against liver an...
AIDS inflicts specific pattern of brain damage, reveals UCLA/Pittsburgh imaging study
... glowed red and yellow, while intact regions shone blue
and green. The researchers were surprised to discover that AIDS consistently injured the brain's motor, language and judgment centers, but left other areas alone. Specific patterns of tissue damage directly correlated with patients' physical and m...
Monkey math machinery is like humans'
...hoose smaller" the researchers made the background blue
if the monkeys were to choose the larger number an...e, it is nevertheless semantic in that the red and blue
color cues carry meaning for the monkeys," said Cantlon. Brannon said the new findings represent fur...
Expert dispels bird flu paranoia
...acial and comb swelling and mouth and comb turning blue
and report any worries to your local government biosecurity officer. Don't eat raw or undercooked chicken. Don't use untreated water, use clean town water or bore water. "Consumers of poultry meat and egg products should not be concerned as th...
Brain structure associated with fear inhibition also may influence personality
... photos that featured lamps with either a red or a blue
light shining. On the first day, participants viewed the photos several times with a mild electric shock described as annoying but not painful delivered to their hands after one, but not the other, colored light appeared. They then viewed the pho...
Hair follicle stem cells contribute to wound healing
... with a special blue-color reaction. "We could see blue
lines coming from the follicles going toward the center of the wound," says Cotsarelis. "They formed a striking radial pattern like the spokes of a wheel." Hope for Hair Loss? The research also showed that stem cells might be a therapeutic targe...
More training needed to ensure accuracy of urine drug tests
...the sample is checked immediately for temperature; blue
dye is placed in standing water; and a staff member directly observes the patient or is present inside the bathroom. Only 23 percent of physicians used an effective method of collecting urine samples, and only ten percent of physicians knew that ni...
New 'litmus test' could aid discovery of anti-cancer drugs
... naked eye. The color of the solution changes from blue
to red when heated, and the temperature at which t...ution with a strong binder. This color change from blue
to red allows the researchers by simple visual inspection to see which triplex binders bind to the D...
Pigment is focus of macular degeneration research
...ponsor. The retina receiving too much high-energy blue
light the same light that gives the sky its color seems to be a major cause of oxidation and cell death. "So you are kind of rusting as you get old," Dr. Snodderly says. A macular pigment that's thin because of genetics or gets that way because of ...
Novel device shows potential in better detecting oral cancer
...pe), this simple, hand-held device emits a cone of blue
light into the mouth that excites various molecules within our cells, causing them to absorb the light energy and re-emit it as visible fluorescence. Remove the light, and the fluorescence of the tissue is no longer visible. Because changes in the n...
Lizard 'third eye' sheds light on evolution of color vision
...parietal, eye, distinguishes two different colors, blue
and green, possibly to tell the time of day. Speci... eye photoreceptors contain two pigments per cell, blue
and green. Having two different pigments allows the cell to respond to two different colors of light...
Simplified dermoscopy techniques improve detection of malignant skin lesions in primary care
...egular distribution and, detection of white and/or blue
structures. If two of these criteria are met, the examined lesion is considered potentially malignant and the patient must be referred to a specialist. During 6 months, the PCPs visited 3,271 patients of skin pathologies. All of them were supervised...
Tequila! Chemists help assure quality of popular Mexican beverage
...ge can now be protected. Tequila is made from the blue
Agave plant and its production is limited to certain geographic areas, primarily to the state of Jalisco in West-Central Mexico. Although it is subject to strict production standards and labeling regulations, adulterated samples have occasionally b...
Targeted lymph node examination improves staging of colon cancer
...ne 2005. In a process known as lymphatic mapping, blue
dye was injected near the site of each participant's tumor. The dye stained the sentinel (first) lymph nodes down the lymph channel, the pathway through which lymph--a fluid containing lymphocytes and the bacteria, cancer cells and other organisms t...
Pigments in corn, squash and other vegetables may help protect against age-related vision loss
... compounds may reduce the risk of AMD by absorbing blue
light that could damage the macula, by preventing free radicals from damaging eye cells and by strengthening eye cell membranes. Suzen M. Moeller, Ph.D., University of Wisconsin, Madison, and colleagues with the Carotenoids in Age-Related Eye Disea...