E-Noses: Testing their mettle against fly noses
... larger project developing an improved electronic nose, the Cybernose, for use in the wine industry. Using insect receptors, the Cybernose will detect volatiles
and contaminants in grapes and wine, thus allowing winemakers to improve their wines. When completed, the Cybernose will have wide application for det...
April 2009 Geology and GSA Today media highlights
...n have significant environmental impact because of the discharge of ash and volatiles
directly into the atmosphere and oceans. Jicha et al. compile 2,814 age det...ernative explanation is that the global climatic changes are related to the volatiles
released during low-temperature contact metamorphism of the intruded rocks....
Analysis of fresh strawberries reveals consumer preferences
...onsistent ratings for flavor and sweetness compared with the other selections.
Plotto summarized the results, stating; "This study shows that aroma volatiles
and sugar levels must be balanced to ensure a flavor appealing to consumers. Although germplasm strongly influenced volatile composition and perceived...
Penn State researcher wins Entomological Society of America award
...ry scientific interests are in understanding the critical roles of chemical communication in ecological interactions. She focuses on the role of plant volatiles
in mediating interactions among plants and insects.
De Moraes' has also received a variety of awards, including a David and Lucile Packard Foundati...
Entomological Society of America names 2008 award winners
...e in illuminating the critical roles of chemical communication in mediating ecological interactions. Much of her research focuses on the role of plant volatiles
in mediating interactions among plants and insects. Her findings have been published in prominent journals, including Nature, Science, and the Proceed...
Biochemists manipulate fruit flavor enzymes
...he unique scent of jasmine flowers) and green leaf volatiles
(GLV) respectively. GLVs confer characteristic aromas to fruits and vegetables.
Green leaf volatiles
and jasmonates emitted by plants also serve to war...mple, the aroma of virgin olive oil stems from the volatiles
synthesized by olives. By modifying the activity o...
Hives ferment a yeasty brew, attract beetle pest
...e antennae of guard and forager bees did not detect this level of IPA.
"This indicates strongly that the heightened sensitivity of the beetles to volatiles
released from the hive entrance allows them to key in on the bee colonies without bees responding to their attack," the researchers report. Complicat...
Parasitic plants sniff out hosts
...ong growth response toward the tomato volatiles.
"This showed that host volatiles
elicit a growth response in the absence of any other plant-derived clues," ...such as light or shade may play a role."
After establishing the role of volatiles
in leading the parasite plants to their tomato hosts, the researchers looke...
Plants tell caterpillars when it's safe to forage
...nd insect. Corn infested with M. separata releases volatiles
that attract parasitic wasps ( C. kariyai ).
...the effects of photoperiod from that of host plant volatiles
to tease out their relative contributions to cater...hout plants. Finally, to test the effect of plant volatiles
directly, the researchers exposed larvae - some in...