期刊
ACS NANO
卷 9, 期 12, 页码 11728-11736出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.5b03031
关键词
umami taste; carbon nanotube; nanovesicle; honeybee umami taste receptor; bioelectronic tongue
类别
资金
- NRF [2013M3A6B2078961]
- World Class University (WCU) program through the Korea Science and Engineering Foundation - National Research Foundation of Korea [R31-10056]
- Ministry of Agriculture, and Food and Rural Affairs [112026-1]
- Cooperative Research Program for Agriculture Science & Technology Development from the Rural Development Administration (RDA) of the Republic of Korea [PJ010487]
- BioGreen 21 program of Rural Development Administration [PJ009031, PJ011170]
- MSIP [2013M3C8A3078813, 2014M3A7B4051591]
We report a floating electrode-based bioelectronic tongue mimicking insect taste systems for the detection and discrimination of umami substances. Here, carbon nanotube field-effect transistors with floating electrodes were hybridized with nanovesicles containing honeybee umami taste receptor, gustatory receptor 10 of Apis mellifera (AmGr10). This strategy enables us to discriminate between L-monosodium glutamate (MSG), best-known umami tastant, and non-umami substances with a high sensitivity and selectivity. It could also be utilized for the detection of MSG in liquid food such as chicken stock. Moreover, we demonstrated the synergism between MSG and disodium 5'-inosinate (IMP) for the umami taste using this platform. This floating electrode-based bioelectronic tongue mimicking insect taste systems can be a powerful platform for various applications such as food screening, and it also can provide valuable insights on insect taste systems.
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