Photocatalytic Air Cleaning System Promises To Help Allergy Sufferers
...tings and already has proven successful at zapping odors and impurities caused by chemicals, viruses and bacteria. It soon will be available for home use, said Yogi Goswami, professor and director of the laboratory. "This technology will revolutionize our notions about the quality of indoor air," s...UF Researchers Investigate Phenomenon Of Seizure-Alert Dogs
...suggested that epileptic patients may emit certain odors just before a seizure, Uthman added. "A dog has a sense of smell much more powerful than humans," Uthman said. "You and I might not smell a change, but a dog could." In the study's second phase, the focus shifts to organizations that work w......Do receptors that are coded by similar genesdetect odors of the same chemical class, or is genetic sequence unrelated toodor chemistry? Do individual receptors recognize multiple odorants, or dosingle neurons have multiple receptors? And how does the brain use this vastgenetic resource to form and rememb...Research Into Cockroach Behavior Could Lead To Better Baits
...s currently on the market, for example, do not use odors because of the previous assumption that cockroache... said researchers next will try to determine which odors discriminating cockroaches likes best. So far, beer and bread seem to attract the most roaches, a fi...USDA Researchers Prepare A New Trap For The Potato Beetle
...tment of Agriculture to createnew artificial plant odors with which to lure and trap insects. Peter J.Lando...ing the chemical structures of theattractant plant odors in order to create synthetic odors that will attract thehungry pests. Now work is underway on a ......so prevent odors, the studyconcludes. Uncontrolled odors are "one of the most difficult problems facing the compostingindustry," according to the report's lead author Jean VanderGheynst, Ph.D., anassistant professor of biological engineering at UC-Davis, and "odor emissionsare related to how a compost proc...Researchers Identify Molecule That May Be Key In Pheromone Processing
...he nose calledthe vomeronasal organ (VNO), whereas odors are received by the main olfactoryepithelium (MOE)...hers has shown that the molecularpathways by which odors are detected in the MOE are not active in the VNO.Similarly, pheromone receptors (molecules on the m...Purdue Scientist Wants To Find Out What Went Sour With Flowers
...bine in various proportions to produce distinctive odors that are identicalamong plants of the same variety. An orchid could produce about 100 differentvolatile compounds, while a snapdragon produces about seven to 10. While muchhas been done to analyze the composition of scent, we're just learning about t...Caterpillars foiled when tomato plants summon parasitic wasps
...ction of chemicals responsible for the leafy green odors of plants. "Wasps can smell those compounds through their antennae and can more easily findthe caterpillars when the caterpillars are less than 1 centimeter long," Thalersaid. "The plants are essentially sending up a chemical 'smoke-signal' toattr...Microbes work magic on hazardous air pollutants
...t a small New Jersey company. Theemissions include odors from oily bilgeholding tanks and pollutants from point sources such as paint spray booths. The efficient, affordable system developed by Envirogen, Inc., of Lawrenceville,N.J., relies on the action of naturallyoccurring microorganisms to metabolize ...Mosquitoes have discriminating tastes, UF researchers find
...the.As they exhale, their carbon dioxide and other odors mix to produce a plume thattravels through the air...ard cookout. Then they localize on eddies of other odors in the airstreamand then, within yards of a person, they use vision and heat sensing to make aselect...Yale scientists find evidence healthy animals detect and avoid sick animals
...ty, shows that healthy animals can distinguish the odors given off byinfected animals and will keep their distance from diseased individuals. "Biologists had long speculated that animals might gain an advantagefrom being able to avoid diseased animals, but there was no experimentalevidence," said S...Study shows industrial hog operations appear to impair health, life quality among neighbors
...r contamination and the negative impact of noxious odors on community economic development."...Bitter taste receptors identified
...ry system is designed to recognize a wide range of odors and to discriminate one odor from another an essential ability if one is to avoid such inappropriate responses as mistaking a mate for a snack. The organization of the olfactory system reflects this need, with each olfactory neuron expressing only o...News briefing: Foods of the future: Selecting and designing foods for a healthy 2025
...nell University, Geneva, N.Y. Limited number of odors can be detected by human, animal noses Sara Risch Science by Design, Chicago, Ill. Advances to keep foods fresher longer John Whitaker University of California, Davis Human genetic defects impair food digestion and metabolism WHA...... the final program.) Limited palette of odors can be detected: Fewer than 600 chemicals are known to be involved in the food odors that humans and many other animals can detect. Despite this relatively small number, variations in...The power of the mother-child bond
...Mennella, "is a really powerful mechanism by which odors acquire personal significance." In other words, the emotional context in which children, or infants, experience an odor can influence their subsequent behaviors, likes and dislikes, and conditioning to alcohol. A related area of study is what Menn...UI biologist receives grant to study acoustic management of swine odor
...a grant to study whether sound waves can alleviate odors generated at large pork production facilities. He...technology, if successful, may dramatically reduce odors and expand the nutrient value of hog manure used in fertilizer. "Most current methods to control th...Gene found responsible for social amnesia
...etect social scents in the form of pheromones, the odors released to provide social information such as sexual readiness or territorial prerogative. A normal male mouse will follow its nose to vigorously investigate a stranger until the stranger becomes familiar, usually within about five minutes. At that ...Parents' escape drinking evokes children's negative response to alcohol smell
...e olfactory and limbic systems, memories evoked by odors are more emotionally charged than those evoked by other sensory stimuli," according to Dr. Mennella. Unlike sensory systems for sight, hearing, taste, and touch, the olfactory system has direct links with the emotional centers of the brain--the limbi...