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KMID : 1094720000050020150
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Biotechnology and Bioprocess Engineering
2000 Volume.5 No. 2 p.150 ~ p.152
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Quantitative measurement of general odorant using electroantennogram of male silkworm moth,Bombyx mori
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Yun Eung-Sik
Park Tai-Hyun
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Abstract
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The investigation of electroantennogram (EAG) using insect antennae has been primarily focused on the measurement of insect pheromone. Insect has highly specialized olfactory receptors inside their antennae. In this paper, EAG was applied to detect general odorants and the feasibility of this system for the olfactory biosensor was investigated. Electroantennogram measurement was carried out using the antennae of male silkworm moth,Bombyx mori, and ammonia gas as the model odorant. EAG parameters including peak amplitude, decay, and level were analyzed for the quantitative measurement. The peak amplitude increased linearly with the ammonia concentration and the reproducible electrical signals were generated at least for 2 hrs after the antenna was cut off from the silkworm moth.
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KEYWORD
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electroantennogram, Bombyx mori, ammonia, olfactory sensor
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