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IJBT Vol.07(1) [January 2008] >


Title: A preliminary study of smelling agents using electrical potential oscillations at liquid-liquid interface
Authors: Roy, U
Shalini, R
Vanitha, S V
Saha, S K
Srivastava, R C
Keywords: Amplitude
Electrical potential oscillations
Fast fourier transform
Olfactory agents and olfaction
Issue Date: Jan-2008
Publisher: CSIR
Abstract: The present paper aims to study the complex oscillations at liquid-liquid interface while mimicking sensing mechanisms of smell-oscillations of electrical potential differences across a bipolar liquid membrane induced by different classes of olfactory agents, e.g. amines, alcohols, acids, aldehydes and esters, in vitro. A preliminary attempt was made to classify and quantify various smelling agents and thereby developing a smell sensor. The bipolarity was induced by introducing a cationic (cetyl pyridinium chloride) and anionic surfactant (sodium lauryl sulphate) along with the electrolytes like sodium and potassium chloride in the experimental set-up. The data obtained indicate that olfactory agents of different groups exhibit characteristically different frequency and amplitude.
Page(s): 73-82
ISSN: 0972-5849
Source: IJBT Vol.07(1) [January 2008]

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