Sensor system and method for estimating amounts of different molecules in biological liquid
Assigneetst biomedical electronics Co., Ltd.
InventorHiromi Yatsuda
Life of this patent
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Abstract
The present invention discloses a sensor system for estimating respective amounts of different molecules in a biological liquid, and the sensor system includes: an electronic circuit module and a Shear Horizontal Surface Acoustic Wave (SH-SAW) sensor, wherein the electronic circuit module has more than two different impedance matching circuits for exciting and detecting a plurality of Surface Acoustic Waves (SAWs) with different frequencies, and the SH-SAW sensor has at least one transducer and a surface on which the plurality of SAWs propagate, and wherein the surface is covered with a probe to be bound with more than two different molecules.
Claims13
A method for estimating respective amounts of different molecules in a biological liquid by using a Shear Horizontal Surface Acoustic Wave (SH-SAW) sensor, comprising:
- providing preconfigured velocity and/or amplitude related parameters of a plurality of SAWs transmitted over the SH-SAW sensor for the different molecules respectively;
- causing the different molecules in the biological liquid to interact with the SH-SAW sensor;
- measuring velocity and/or amplitude related parameters of the plurality of Surface Acoustic Waves (SAWs) for the SH-SAW sensor at different frequencies respectively after an interaction of the SH-SAW sensor with the different molecules;
- and
- estimating the respective amounts of the different molecules using the preconfigured velocity and/or amplitude related parameters as well as the measured velocity and/or amplitude related parameters.
A method for estimating respective amounts of different molecules in a biological liquid by using a Shear Horizontal Surface Acoustic Wave (SH-SAW) sensor, wherein the SH-SAW sensor has at least two channels having different thicknesses, comprising:
- providing preconfigured velocity and/or amplitude related parameters of a plurality of Surface Acoustic Waves (SAWs) transmitted over the SH-SAW sensor for the different molecules in the at least two channels respectively;
- causing the different molecules in the biological liquid to interact with the SH-SAW sensor;
- measuring velocity and/or amplitude related parameters of the plurality of SAWs for the SH-SAW sensor in the at least two channels respectively after an interaction of the SH-SAW sensor with the different molecules;
- and
- estimating the respective amounts of the different molecules using the preconfigured velocity and/or amplitude related parameters as well as the measured velocity and/or amplitude related parameters.
Dependencies are inferred from the claim text.