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A chip-based spectrophotometer integrated with optical fiber is successfully demonstrated.Grade concentration of lactate solution flowed through the chip to perform an online detection.The response time (100s)and Limit of Detection (LOD, 50mg/L)of the device were measured.This device shows comparable performance with traditional commercial instrument, while greatly decreases the sample requirement per detection and reduces the size of total system,introducing a novel method for real-time detection.
A chip-based spectrophotometer integrated with optical fiber is successfully demonstrated. Gradient of lactate solution flowed through the chip to perform an online detection. The response time (100s) and Limit of Detection (LOD, 50 mg / L) of the device were measured .This device shows comparable performance with traditional commercial instrument, while greatly decreasing the sample requirement per detection and reduces the size of total system, introducing a novel method for real-time detection.