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pheromones in Medical News

Male Pheromones Build Brain Cells in Female Mice

Researchers at the University of Calgary in Alberta have shown that female mice tend to create new brain cells when they detect a dominant male's urine, a discovery that outlines how chemical messages may shape their choice of mates. Dr. Samuel Weiss and his colleagues at the university l...

Human Pheromones: What's Purported, What's Supported - A White Paper Published by The Sense of Smell Institute

...EW YORK, July 30 /PRNewswire-USNewswire/ -- Human pheromones are over-stated, or are they? There has been an ...he scientific community as to whether or not human pheromones exist, and, if they do, exactly what effect they have on us. For most of us in the lay community, pheromones are thought of as sexual attractants and nothi...

Scientists use bed bugs' own chemistry against them

...environment with synthetic versions of their alarm pheromones makes them more likely to walk through agents call...ghly susceptible to dehydration. A blend of two pheromones applied in concert with a silica gel desiccant dus...s are disturbed or excited, they secrete these two pheromones and tend to want to move around. While some...

Human Pheromone Sciences Announces First Quarter Results

...wo primary licensees, increased by 79%, in anticipation of a new product launch in May 2009 by one of these companies. While the selling price of the pheromones is quite low compared to that of prior licensees, our newer agreements provide for royalties on licensee sales of products containing our patented tec...

Human Pheromone Sciences Announces Fourth Quarter and Full Year Results

...atural Attraction(R) product line, contain mood-enhancing synthesized human pheromones covered under U.S. and foreign patents. The Company also licenses its propr...nsumer. Scientific and consumer studies have shown that the Company's human pheromones positively impact on the moods, attitudes and emotions of wearers. Further ...

Chemical come-on successfully lures lovesick lampreys to traps

...hod by 2010 as a milestone for its sea lamprey management program," Li said. "The commission considers regulating spawning and migrating behavior with pheromones the most promising control method for implementation. So we're excited about the possibilities." Currently, lampreys are controlled mainly by addin...

Scripps research scientists discover chemical triggers for aggression in mice

...y exciting starting place for us to understand how pheromones and the brain can shape behavior, says team leader...he Scripps Research Department of Cell Biology. pheromones are chemical cues that are released into the air, ...social and reproductive behaviors. Although the pheromones identified in this research are not produced by hu...

Pheromones identified that trigger aggression between male mice

... The study, which is the first to identify protein pheromones responsible for the aggression response in mice, w...(NIDCD), one of the National Institutes of Health. pheromones are chemical cues that are released into the air, ...cial and reproductive behaviors. "Although the pheromones identified in this research are not produced by hu...

Human Pheromone Sciences Announces Third Quarter Results

...g of $381,000 for the nine months of the current year. "In the third and fourth quarters of 2006, we had sizable orders from our largest purchaser of pheromones and we do not expect comparable orders in the current year. These cyclical purchases are unpredictable and, as such, we developed a set of strategic i...

Another Sexual Attraction is Possible ...

...titut National de la Recherche Agronomique, from the Centre National de la Recherche Scientifique and from the University of Toulouse show that, while pheromones are probably used for meeting, they may not be used for mating per se. Performing crosses and backcrosses between different pheromone races of this mo...
pheromones in Biological News

Mate or hibernate? That's the question worm pheromones answer

GAINESVILLE, Fla. If worms could talk, they might tell potential suitors, "I like the way you wriggle," complete with that telltale come slither look. But worms send their valentines via signals known as pheromones, a complex chemical code researchers are now cracking, according to a study publis...

Olfactory system detects pheromones that control reproduction

Howard Hughes Medical Institute researchers have discovered that pheromones essential for mating behavior in mice are recognized by the nose and not by the vomeronasal system, as researchers had long suspected.The new studies demonstrate that the main olfactory epithelium, which was presumed to be ...

Past experience of pheromones induces dominant courtship behavior in fruit flies

By investigating the interplay between pheromone signaling and behavior in fruit flies, researchers have begun to understand how an adult fly's earlier experience as a young individual can influence its behavior towards other flies as an adult. In particular, the researchers found that pheromone si...

Animal and plant communication at the ESA Annual Meeting

...ly invisible to the watchdog ants. Whitehead hypothesized that the bugs might be acting in some way that the ants found acceptable. Since ants use pheromones to communicate with one another, she also wondered if the bugs were mimicking the scent of the ants. When she and her colleagues immobilized the bugs...

Not 1, but 2 kinds of males found in the invasive round goby

...perm, but sneakers produced more sperm than the parental males, and had bigger testes. By contrast, parental males have bigger glands used to produce pheromones that attract females. ...

Ecological insect pest management for Guam

...the full amount requested under the Professional Development Program (PDP). A semiochemical is a chemical substance that carries a message, such as pheromones emitted by insects to attract mates. Semiochemicals are used in agriculture to control insects that are considered pests. They are being used for moni...

Bacteria manage perfume oil production from grass

...is the only grass cultivated specifically for its root essential oil, which is made up of chemicals called sesquiterpenes. These are used in plants as pheromones and juvenile hormones. The essential oils also contain alcohols and hydrocarbons, which, together with the sesquiterpenes are primarily used in perfum...

UC Davis chemical ecologist wins major award

...own for his research on the mode of action of odorant binding proteins and odorant-degrading enzymes on the identification and synthesis of insect sex pheromones and on insect chemical communication. The Leal lab unveiled DEET's mode of action on Aug. 18. Contrary to previous hypotheses, DEET doesn't jam th...

What is wild? Odor attraction among different wildtype Drosophila

... ecotypes to different habitats and living conditions, and therefore to different odor compositions. Insect traps that use chemical attractants or pheromones to lure insects are becoming more and more important in modern agriculture. With the help of these traps, insect pests can be controlled, e.g. in vine...

Entomological Society of America names 2008 award winners

...t known for his research on the mode of action of odorant-binding proteins and odorant-degrading enzymes on identification and synthesis of insect sex pheromones and on insect chemical communication. The Leal lab recently unveiled DEET's mode of action. Contrary to previous hypotheses, DEET doesn't jam the ...
pheromones in Biological Technology

Human Pheromone Sciences Announces Quarterly and Full Year Results

...th quarters of 2006, we had very large orders from our largest purchaser of pheromones that were not replicated in the current year quarters. As such, for the ful...nsumer. Scientific and consumer studies have shown that the Company's human pheromones positively impact on the moods, attitudes and emotions of wearers. Further ...
pheromones in Biological Definition

Olfaction

...otion and place memory, respectively. To detect pheromones many vertebrates have an auxiliary olfactory sens...ect air to this organ. In humans, the detection of pheromones is subliminal. These subliminal odor messages may...ia . In many species olfaction is highly tuned to pheromones ; a male silkworm moth, for example, can smell a...
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