Vapour-density and Smell

Smell and taste disorders

Disorders of the chemical senses are frequent. They can severely affect our lives. Appropriate testing is needed to determine the nature of the patient's complaints. Because many chemosensory disorders are secondary to a wide variety of diseases, olfactory or gustatory complaints may help in establishing certain differential diagnoses, e.g. in Alzheimer's disease. In turn, treatment of the unde...

To smell or not to smell? That is the question!

Metallic taste and retronasal smell.

A series of experiments investigated the nature of metallic taste reports and whether they can be attributed to the development of a retronasal smell. Two studies showed that the metallic sensation reports following oral stimulation with solutions of FeSO4 were reduced to baseline when the nose was occluded. No such reduction was seen for CuSO4 or ZnSO4, which were more bitter and astringent, r...

Validity and Reliability of Persian Smell Identification Test

Introduction: Smell Identification Tests (SIT) are routinely utilized for the clinical evaluation of olfactory function. Since Iran consists of various ethnic subgroups, the reliability and validity of this test as a national SIT are required to be evaluated across the country.   Materials and Methods: This cross-sectio...

Density profiles and collective excitations of a trapped two component Fermi vapour

We discuss the ground state and the small-amplitude excitations of a degenerate vapour of fermionic atoms placed in two hyperfine states inside a spherical harmonic trap. An equationsof-motion approach is set up to discuss the hydrodynamic dissipation processes from the interactions between the two components of the fluid beyond mean-field theory and to emphasize analogies with spin dynamics an...