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PubMed1971

[Constituents of an actinomyces isolated from sediment in Lake Biwa. Identification of geosmin, an earthy-smelling compound].

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Actinomyces↗

PubMed1981

"How I do it"--head and neck: a targeted problem and its solution. An objective approach to subjective testing for sensation of taste and smell.

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Humans↗

PubMed2002

Would a rose not smell as sweet?

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Agriculture↗

PubMed1999

I smell a rat!

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Animals↗

PubMed1995

The sweet smell of serenity.

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Complementary Therapies↗

PubMed2002

Ah, that new car smell. Finding your personal style for dealing with change.

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Dental Care↗

PubMed2000

Preference of female rats for the odours of non-parasitised males: the smell of good genes?

Many animals obtain reliable information about potential mates, including whether they are parasitised or not, mostly from olfactory cues in urine. Previous experiments with rodents have shown that females can detect parasites in males that are potentially transmissible during copulation, so that females can directly avoid infection by discriminating against parasitised males. Here, using choice tests, we examine whether female rats can distinguish males infected with the tapeworm Hymenolepis diminuta Rudolphi, 1819, a parasite with a complex life cycle and thus not directly transmissible among rats. Female rats tended to spend more time investigating the urine of non-parasitised males than that of parasitised males. The magnitude of the parasite burden in the infected males had no effect on the females' preference for the non-parasitised males. We also found that parasitised males had lover testosterone levels in their blood than non-parasitised males. These results suggest that females use cues in male urine reflecting either the presence of the parasite and/or lower testosterone levels to avoid parasitised males and possibly secure resistance genes for their offspring.

Animals↗

PubMed2006

Fabuloso: a cleaning product that tastes and smells good enough to drink.

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Accidents, Home↗

PubMed2004

An optoelectronic nose: "seeing" smells by means of colorimetric sensor arrays.

A new approach to general sensors for odors and volatile organic compounds (VOCs) using thin films of chemically responsive dyes as a colorimetric sensor array is described. This optoelectronic "nose," by using an array of multiple dyes whose colors change based on the full range of intermolecular interactions, provides enormous discriminatory power among odorants in a simple device that can be easily digitally imaged. High sensitivities (ppb) have been demonstrated for the detection of biologically important analytes such as amines, carboxylic acids, and thiols. By the proper choice of dyes and substrate, the array can be made essentially nonresponsive to changes in humidity.

Biosensing Techniques↗

PubMed1997