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A label-free biosensor based on localized surface plasmon resonance (LSPR) was developed. A multi-channel microfluidic chip was integrated with the sensor, providing referencing channel to minimize noise level and improving the throughput. With a CCD as a detector, a sensitivity of 10-4 RIU was demonstrated. The adsorption of S-layer protein was detected successfully by the sensor system.
Sensors Applications Symposium, 2009. SAS 2009. IEEE
Date of Conference: 17-19 Feb. 2009