Quantitative measurement of general odorant using electroantennogram of male silkworm moth,Bombyx mori |
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Authors: | Eung Sik Yun Tai Hyun Park |
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Institution: | (1) School of Chemical Engineering, Seoul National University, 151-742 Seoul, Korea |
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Abstract: | 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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Keywords: | electroantennogram Bombyx mori ammonia olfactory sensor |
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