Biomedical Engineering Reference
In-Depth Information
Table 2.1 (continued)
Measurand/input
variable
Sensor/transducertechnology
Sensing subsystem mechanism
Applications
Electrical and magnetic quantities
Electrical current
Shunts for high currents, catheter electrodes
C. Current to voltage
Power measurement and control, biomedical
measurements
Data stored on
magnetic media
Magneto inductive
M-C. Changing flux induces
electrical voltage
Computers and office equipment
Qualities of materials, liquids, the environment
Rain on windshield
Rain sensor
M-C. Infrared probe
Windshield wiper control
Metal particles in oil
Oil quality
M. Electrical conductivity
Automobile maintenance
Chemical quantities in liquids and gases
Humidity
Humidity-capacitive/resistive
Dielectric and dimensional change
Process control
pH in aqueous
solutions
pH Electrode
D-C. Selective membrane/
potentiometric
Process control
Gas sensor(dissolved/
exhaust air)
Tin oxide-based (taguchi gas sensor)/
semiconductor/electrochemical
PM. Electrical resistivity
C-M selective membrane
amperometric
Safety
Quality control
Biosensors
Blood glucose
Glucose biosensor
Chemical reaction amperometric
Control of diabetes (disposable and non
disposable)
Medical
Antibody/DNA/Chips
Chemical reactions fluorescent
tags
Biological information
Energy conversion (C), energy dispersion (D), energy modulation (M), and property modulation (P)
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