| Paper Abstract and Keywords |
| Presentation |
2024-08-05 11:00
Application of high-frequency Q-value enhancement technique for the glucose sensor that achieves high sensitivity and high resolution
Yasuhiro Sugimoto, Kiichi Yamashita, Akira Yasuda (Hosei U.) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
To measure human blood glucose levels non-invasively, a glucose sensor that measures changes in the dielectric constant due to differences in glucose solution concentration in a non-invasive, high-frequency manner is being developed. The basic structure of this sensor is the high-frequency LC resonator. When a glucose solution is brought into contact with this sensor, the resonance frequency of the LC resonator changes due to the differences in the dielectric constant of the solution, and this frequency change is detected. However, the solution accompanies a large capacitance and a significant loss component, resulting in a considerable degradation of the resonator's characteristics (Q-value), making it difficult to read the resonance frequency. This paper proposes an analog circuit technique and the structure of a high-frequency glucose sensor that significantly improves the resonator's characteristics (Q-value) by applying positive feedback circuit technique in the measurement range of several GHz to cancel out this loss component. The effectiveness of this sensor was investigated by actually creating a printed circuit board, and the findings are reported here. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Plasma glucose / Glucose sensor / Q-enhancement / High-frequency circuit / / / / |
| Reference Info. |
ITE Tech. Rep. |
| Paper # |
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| Date of Issue |
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| ISSN |
Online edition: ISSN 2424-1970 |
| Download PDF |
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| Conference Information |
| Committee |
IEICE-ICD IEICE-SDM IST |
| Conference Date |
2024-08-05 - 2024-08-07 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
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| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
Analog, Mixed Analog and Digital, RF, and Sensor Interface, Low Voltage/Low Power Techniques, Novel Devices/Circuits, and the Applications |
| Paper Information |
| Registration To |
IEICE-ICD |
| Conference Code |
2024-08-SDM-ICD-IST |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Application of high-frequency Q-value enhancement technique for the glucose sensor that achieves high sensitivity and high resolution |
| Sub Title (in English) |
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| Keyword(1) |
Plasma glucose |
| Keyword(2) |
Glucose sensor |
| Keyword(3) |
Q-enhancement |
| Keyword(4) |
High-frequency circuit |
| Keyword(5) |
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| Keyword(6) |
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| 1st Author's Name |
Yasuhiro Sugimoto |
| 1st Author's Affiliation |
Hosei University (Hosei U.) |
| 2nd Author's Name |
Kiichi Yamashita |
| 2nd Author's Affiliation |
Hosei University (Hosei U.) |
| 3rd Author's Name |
Akira Yasuda |
| 3rd Author's Affiliation |
Hosei University (Hosei U.) |
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| Speaker |
Author-1 |
| Date Time |
2024-08-05 11:00:00 |
| Presentation Time |
25 minutes |
| Registration for |
IEICE-ICD |
| Paper # |
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| Volume (vol) |
vol.48 |
| Number (no) |
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| Page |
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