2020 Fiscal Year Annual Research Report
Nanojet enhanced fiber sensor with dielectrophoretic concentration for rapid bacteria identification
| Project/Area Number |
18F18351
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| Research Institution | The University of Tokyo |
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Principal Investigator |
J・J Delaunay 東京大学, 大学院工学系研究科(工学部), 准教授 (80376516)
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| Co-Investigator(Kenkyū-buntansha) |
TAI YI-HSIN 東京大学, 工学(系)研究科(研究院), 外国人特別研究員
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| Project Period (FY) |
2018-11-09 – 2021-03-31
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| Keywords | electrophoresis / Raman spectroscopy / nano jet / optical fiber |
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| Outline of Annual Research Achievements |
Label-free biomolecule sensing has strongly benefited from development in optical techniques. Here, we propose two approaches relying on dielectric materials for label-free biomolecule detection, namely, using concentrated light in a nanojet at the tip of an optical fiber and using confined light in a guided surface wave.
This fiscal year, the nanojet based detection scheme was demonstrated. In this scheme, light is concentrated near the optical fiber tip (nanojet), the biomaterials (bacteria) are trapped near the optical fiber tip by using electrophoretic force and the detection signal is the Raman signal detected near the fiber tip and collected by the same optical fiber.
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| Research Progress Status |
令和2年度が最終年度であるため、記入しない。
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| Strategy for Future Research Activity |
令和2年度が最終年度であるため、記入しない。
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