Chemists Develop Probe To Detect Changes In Imaging Agents Inside Body
...ight regions where muscle tissueis normal and very dark areas where blood flow is blocked." Heineman is an analytical chemist who also has a great dealof experience developing sensors which can detect compounds atextremely low concentrations, as low as 3,000 molecules. So, inhis recent research, Heineman,...Researchers Study 'Natural' Screen For Cancer
...it is absorbed, we can illuminate the patient in a dark room andsee these localized red spots. We can say, 'this is where the cancer is.'" The method is being tested in eastern Europe, with encouraging results,say researchers. Rawicz "imported" the concept with his two colleagues, Ivan Melnik, a p...Enhancing Night Visibility Using UV Technology To Be Tested On Virginia Tech's Smart Road
Problem: It was a dark and stormy night (FEB. 19, 1998* -- BLACKS...d is? Haveyou ever barely missed a pedestrian on a dark night because you could not seethem? Researchers in Virginia Tech's Center for Transportation Resea...Sunlight Poses Universal Cataract Risk
... good absorbers of UV-B,according to West, and how dark the glasses are isn't an issue, since anyplastic eyewear will absorb the invisible UV-B light. For children, however,the glasses should be shatterproof to prevent eye injury in case of an accident.Dark glasses are needed to block the visible light f...DNA-Based Cancer Vaccine Shows Promise To Successfully Treat Melanoma In Mice
...d white patches to develop on the mice's otherwise dark coats offur. Vitiligo occasionally develops in melanoma patients and may be indicativeof a good outcome. "Our goal was to induce a very controlled autoimmune response that would lead toprotection against tumor spreading," said Dr. Houghton, a pio...The Visible Humans: Coming Of Age
...man Project is taking medical education out of the dark ages by allowing physicians to practice or simulate a surgical procedure in a virtual environment where mistakes do not adversely affect patients--just as flight simulators have revolutionized airline safety," said Ackerman. Recyclable Cadaver. O...Study Reveals Prominent Fears Of School-Age Children
... fear thunder storms and the dark more than boys, according...--such as thunder and the dark -- than were the boys (30 vs. 23 percent.) Boys also reported more fears th...Near-Sightedness In Children Linked To Light Exposure During Sleep Before Age Two
...ome older than children who sleep as infants inthe dark at night, according to a collaborative study by re...rongassociation, not noted before, between a daily dark period - nighttime - duringinfancy and later near-sightedness in children may well have significantc...UMass researchers teaching computers to interpret MRIs
...d graduate student Ben Stein. While distinguishing dark from light may sound like an easy task, it's harderthan it sounds. The images are in fact many shades of gray, with blurry patches."It's not all that easy even for a person," said Horowitz. "The rule of thumbis, anything that involves prior knowledge...NYU researchers uncover the neurobiology of decision-making
...monkeys were shown two lights illuminatedagainst a dark backround. The animals were free to look at either light, but oneach trial the experimenters indicated to the animals that if they looked at oneof the lights they would receive a fruit juice reward and if they looked at theother light they would rece...Scientists can now see sense of smell
...skull. Activatedglomeruli showed up as distinctive dark spots on the images. To map how glomeruli ...eanut butter and carvone (smellslike caraway). The dark spots indicate glomeruli that are activated by thesmells and thus convert large amounts of oxyhemogl...New laser treatment allows patients to swallow and breath easier
.... "We recommend that these patients wear dark sunglasses, a wide-brimmedhat, turtleneck, long sleeves, gloves and long pants if they must go out duringthe day after the surgery to protect themselves against sunburn," Warren said. "Patients will not experience photosensitivity when exposed to ord...Symposium on treating drug addiction -- Tip sheet
...I 156, 9:00 a.m.) Alcohol: The chemistry of the dark side Animal studies of the effects of alcohol on brain chemistry may help explain whyalcoholics experience long-lasting feelings of tension and distress-and why theytend to relapse. The studies show heavy drinking depletes the brain's suppliesof t...Alcohol: the chemistry of the dark side
...e to relapse, he said. Hoping to suppress the dark feelings aroused by CRF, alcoholics drink more-butthe more they drink, the more CRF is produced. This cycle ultimately raisesthe "set point" for alcohol intake, or the amount it takes to make an alcoholicfeel "normal," according to Koob. He says s...New approach to imaging separates thought from perception
...nteers lay in a scanner and watched whitedots on a dark screen. The trials began with a fleeting glimpse of an arrow,which indicated that some of the dots would move in a particular direction (cueperiod). The subjects then had to press a key if they saw dots moving in thatdirection among dots that were mo...Home exercise equipment increased weight-loss success in study
...inclined to use the treadmill insteadof walking on dark streets. The treadmills also acted as a visual reminder of exercise forthose in the study group who had the equipment. However, the mere presence of home exercise equipment is not enoughto make people lose ...Cancer-preventive potential of white tea
...r to being rolled. Oolong and black teas get their dark color and flavor from additional processing. The researchers theorize that processing may play a part in tea's cancer-fighting potential. The key is a class of chemicals called polyphenols. "Many of the more potent tea polyphenols ('catechins') b...Map makers can avoid confusing the color blind
...lue, light green, greenish white, gray magenta and dark green, a scheme that avoids confusion lines....Imaging technique predicts success of bypass surgery or angioplasty
...ad areas of the heart in such a striking manner as dark and bright spots," he said. "We found that when most of the thickness of the heart wall was bright, there was only a 2 percent chance of improvement following bypass surgery or angioplasty," Judd said. "This indicates that MRI performed before su......allow the HIV to spread. This area is still in the dark ages, so there's plenty of opportunity for progress."...