METHOD FOR COMPENSATING OUTPUT SIGNAL OF OPTICAL BIOSENSOR AND OPTICAL BIOSENSOR USING THE SAME

摘要

Disclosed herein are a method for compensating the output signal of an optical biosensor and an optical biosensor using the same. The optical biosensor includes: a cartridge for supporting a marker substance; a light-emitting diode (LED) for radiating an optical signal to the marker substance; a photodiode (PD) serving to measure a signal reflected from the marker substance after the optical signal radiated from the LED was absorbed by the marker substance; an LED driving unit serving to convert the type of the optical signal irradiated to the marker substance such that the radiated optical signal is distinguished from a noise component; and a micom serving to measure the concentration of the marker substance based on the signal measured by the PD. The disclosed method removes an external noise component, thus achieving more accurate diagnosis.