Influence of alkyl chain length of lipid in caffeine detection using taste sensor with lipid/polymer membranes

H. F. Shen, M. Habara, Kiyoshi Toko

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The taste sensor was widely used in distinguishing various taste substances. However, the taste sensor has poorer sensitivity to uncharged molecules such as caffeine, a bitter substance, than to charged taste substances. In the present study, we discussed the sensitivity of caffeine detection using a taste sensor with lipid/polymer membranes that were formed with different length of methyl group of lipid, namely, tetra-nctylammonium bromide (R8), tetrakis-(decyl)-ammonium bromide (R10), tetradodecylammonium bromide (TDAB; R12), and tetrahexadecylammonium bromide (R16). As a result, we observed that the electric responses of the lipid membranes to caffeine were associated with the length of alkyl chain of a lipid and an optimum concentration of the lipids in membranes was also observed to enhance the sensitivity of caffeine with taste sensor.

Original languageEnglish
Title of host publicationProceedings of the 3rd International Conference on Sensing Technology, ICST 2008
Pages652-655
Number of pages4
DOIs
Publication statusPublished - Dec 1 2008
Event3rd International Conference on Sensing Technology, ICST 2008 - Tainan, Taiwan, Province of China
Duration: Nov 30 2008Dec 3 2008

Publication series

NameProceedings of the 3rd International Conference on Sensing Technology, ICST 2008

Other

Other3rd International Conference on Sensing Technology, ICST 2008
CountryTaiwan, Province of China
CityTainan
Period11/30/0812/3/08

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All Science Journal Classification (ASJC) codes

  • Software
  • Electrical and Electronic Engineering

Cite this

Shen, H. F., Habara, M., & Toko, K. (2008). Influence of alkyl chain length of lipid in caffeine detection using taste sensor with lipid/polymer membranes. In Proceedings of the 3rd International Conference on Sensing Technology, ICST 2008 (pp. 652-655). [4757186] (Proceedings of the 3rd International Conference on Sensing Technology, ICST 2008). https://doi.org/10.1109/ICSENST.2008.4757186