Biosensor, biosensor system and method of using thereof
First Claim
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1. A biosensor, comprising:
- an infrared absorber having a variable resistance; and
bioreceptors immobilized onto the infrared absorber for selectively reacting and binding with an analyte, wherein, an induced voltage at the infrared absorber varies depending on whether the bioreceptor reacts and binds with the analyte.
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Abstract
A biosensor for detecting an analyte by using a variable voltage according to infrared radiation absorption is provided. The biosensor includes an infrared absorber having a variable resistance and bioreceptors immobilized onto the infrared absorber for selectively reacting and binding with an analyte, wherein an induced voltage at the infrared absorber varies depending on whether the bioreceptor reacts and binds with the analyte.
129 Citations
25 Claims
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1. A biosensor, comprising:
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an infrared absorber having a variable resistance; and
bioreceptors immobilized onto the infrared absorber for selectively reacting and binding with an analyte, wherein, an induced voltage at the infrared absorber varies depending on whether the bioreceptor reacts and binds with the analyte. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A biosensor, comprising:
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a substrate;
a plurality of infrared absorbers formed on the substrate, a plurality of bioreceptors immobilized onto the infrared absorbers, the plurality of bioreceptors being of varying types configured for selectively reacting and binding with different analytes; and
a plurality of voltage amplifying parts connected to the plurality of the infrared absorbers, for amplifying an induced voltage at each infrared absorber, wherein, the induced voltage at the infrared absorber varies depending on whether the different kinds of bioreceptors react and bind with the analytes. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. A biosensor system, comprising:
- an infrared generator;
a biosensor including;
an infrared absorber having a variable resistance according to the amount of absorbing infrared radiation emitted from the infrared generator; and
bioreceptors immobilized onto the infrared absorber for selectively reacting and binding with an analyte, wherein, an induced voltage at the infrared absorber varies depending on whether the bioreceptor reacts and binds with the analyte; and
an output unit for displaying an induced voltage at the biosensor. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 25)
- an infrared generator;
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24. A method of detecting a target object comprising:
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coating a sample on a biosensor, the sample including the target object to be detected;
irradiating a surface of the biosensor;
measuring an output voltage induced at the biosensor; and
comparing the output voltage with a reference voltage to determine whether the target object is contained in the sample;
wherein the target object is detected in the sample when the output voltage is different than the reference voltage.
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Specification