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In the field of life science, fluorescent imaging techniques are often adopted to investigate activities of cells. Previously, we have proposed the application of fluorescent imaging for the odor sensing system. The system relays a temporal change in odorant concentration via a change in fluorescent intensity by utilizing a cell with an olfactory receptor and a fluorescent protein. However, the system...
Odor sensing system with high sensitivity and selectivity is expected to be realized by using biological mechanisms such as olfactory receptor. We have already developed a cell‐based odor sensing system which acquires odorant concentration as a fluorescent intensity change. In the measurement, however, an artifact is likely to happen due to lack of stable and reproducible methods for delivering odorants...
Cell-based sensor expressing odorant receptor with fluorescent imaging has a potential for realization of high performance odor sensing system. In this study, we developed digital lock-in detection system for 2-dimensional data such as an image. Since the system has many digital lock-in amplifiers on field programmable gate array and process the image stream from a commercially available image sensor,...
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