Fig. 10From: Aptamer-based biosensors for the diagnosis of sepsisThe interaction principle of determination of LPS by coupling FAM-aptamer and rGO on a microfluidic biochip. a Schematic diagram of the fluorescence formation of LPS; b Schematic representation of the PDMS microfluidic CI-ES-chip; c Voltage scheme applied for the LPS preconcentration and the CI-ES mechanism [59]Back to article page