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US 11,454,581 B2Granted
Molecule detecting apparatus
AssigneeKabushiki Kaisha Toshiba
InventorsHonam Kwon, Ikuo Fujiwara, Kazuhiro Suzuki, Keita Sasaki, Yuki Nobusa, Yasushi Shinjo
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Abstract
The molecule detecting apparatus of an embodiment includes a light source 31, a fluorescent layer 42 emitting different fluorescence depending on the kind of a target molecule 60 captured when being irradiated with light from the light source 31, a photodetector 32 configured to detect fluorescence, and the photodetector 32 is an array of avalanche photodiodes operating in Geiger mode.
Claims22
A molecule detecting apparatus comprising:
- a fluorescent layer emitting different fluorescence depending on a kind of a target molecule captured when being irradiated with light;
- and
- a photodetector configured to detect fluorescence,
- wherein the photodetector includes an array of avalanche photodiodes, the array of avalanche photodiodes includes a first avalanche photodiode and a second avalanche photodiode, the first avalanche photodiode has first light receiving sensitivity, the second avalanche photodiode has second light receiving sensitivity, and the first light receiving sensitivity is different from the second light receiving sensitivity, and
- wherein the fluorescent layer contains a metal organic framework having pores in nano order configured to accommodate gas molecules, and having a plurality of two-dimensional layered frameworks formed of a metal ion and a first ligand having a carboxyl group and the layered frameworks are crosslinked to each other by a second ligand having a pyridyl group, an imidazole group, or an amino group.
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A molecule detecting apparatus comprising:
- a fluorescent layer emitting different fluorescence depending on a kind of a target molecule captured when being irradiated with light;
- and
- a photodetector configured to detect fluorescence,
- wherein the photodetector includes an array of avalanche photodiodes, the array of avalanche photodiodes includes a first avalanche photodiode and a second avalanche photodiode, the first avalanche photodiode has first light receiving sensitivity, the second avalanche photodiode has second light receiving sensitivity, and the first light receiving sensitivity is different from the second light receiving sensitivity,
- wherein the fluorescent layer further contains a translucent polymer, and
- wherein a permeability of the translucent polymer to CO2, N2, O2, CH4, and H7 at room temperature is 10×10−10 (cm3(STP)cm/cm2·s·cmHg) or more.
3 more elements
Dependencies are inferred from the claim text.