Fig. 1: Developing microfluidic graphene Hall sensors (μGS) for rare cell detection. | Microsystems & Nanoengineering

Fig. 1: Developing microfluidic graphene Hall sensors (μGS) for rare cell detection.

From: Highly stable integration of graphene Hall sensors on a microfluidic platform for magnetic sensing in whole blood

Fig. 1

a Schematic of a cell labeled with ligand-specific nanoparticles traveling over a single μGS with a perpendicularly applied magnetic field. b Micrograph of the PDMS microfluidic channel covering the sensor region. The applied magnetic field is indicated as coming out of the page. c Micrograph of a magnetic agarose bead passing over the sensors

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