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Smell as evidence of disease has been long used, dating back to Hippocrates around 400 years BCE. [1] It is still employed with a focus on volatile organic compounds (VOCs) found in body odor. [ 2 ] VOCs are carbon-based molecular groups having a low molecular weight, secreted during cells' metabolic processes. [ 3 ]
An olfactometer is an instrument used to detect and measure odor dilution. Olfactometers are used in conjunction with human subjects in laboratory settings, most often in market research, to quantify and qualify human olfaction. [1] Olfactometers are used to gauge the odor detection threshold of substances. To measure intensity, olfactometers ...
Since 2014 Tolaas has been active in several start-ups in the field of the senses. In 2016 Tolaas launched the world's first Smell Memory Kit; several other devices and sense tools are under development. The Re_Search Lab continues to support interdisciplinary projects and research involving smell, odor, and fragrance.
The DeGennaro Lab seeks to determine the odors and olfactory receptors that contribute to host detection in mosquitoes, analyze nectar-seeking behavior and examine vector ecology. [3] DeGennaro also intends to establish a model for coral symbiosis and chemosensation using the upside-down jellyfish, Cassiopea xamachana , in order to study new ...
The odor detection threshold is the lowest concentration of a certain odor compound that is perceivable by the human sense of smell. The threshold of a chemical compound is determined in part by its shape, polarity, partial charges, and molecular mass. The olfactory mechanisms responsible for a compound's different detection threshold is not ...
Coastal Bend emergency management officials are investigating a chemical-like odor reported by Coastal Bend residents Wednesday night and Thursday morning. The source of the odor has not yet been ...
What was up with this unusual body smell of mine, I wondered. “When we are isolated and confined to certain places, the diversity of our microbiome is reduced, and certain microbes can over-grow ...
The University of Pennsylvania Smell Identification Test (UPSIT) is a test that is commercially available for smell identification to test the function of an individual's olfactory system. Known for its accuracy among smell identification tests it is considered to be one of the most reliable (r=.94) and trusted.