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Multiplex fiber optic biosensor and detection method by using the same
Multiplex fiber optic biosensor and detection method by using the same
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机译:多重光纤生物传感器及其使用方法
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摘要
A multiplex fiber optic biosensor including an optical fiber, a plurality of noble metal nanoparticle layers, a plurality of light sources and a light source function generator is disclosed. The optical fiber includes a plurality of sensing regions which are unclad regions of the optical fiber so that the fiber core is exposed, wherein the noble metal nanoparticle layers are set in each sensing regions. The light sources emit light with different wavelengths, and the noble metal nanoparticle layers absorb the lights with different wavelengths, respectively. The light sources emit the lights in different timing sequences or different carrier frequencies, wherein when the lights propagate along the optical fiber in accordance with the different timing sequences or the different carrier frequencies, a detection unit detects particle plasmon resonance signals produced by interactions between the different noble metal nanoparticle layers and the corresponding analytes.
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