Single Cell Capture

Post on 25-Mar-2016

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Capture of a single cell on a microfluidic chip.

Transcript of Single Cell Capture

Single bacterial spore detection Single bacterial spore detection with magnetoelastic particle sensors with magnetoelastic particle sensors

on a microfluidic platformon a microfluidic platformAuburn University Detection and Auburn University Detection and

Food Safety CenterFood Safety CenterJ.W. HongJ.W. Hong

Chip Design – Top ViewChip Design – Top View

Unit: [um]Unit: [um]

Fluidic channels for sample loadingFluidic channels for sample loadingFluidic channels for sensor loading Fluidic channels for sensor loading Control channels Control channels

Top View (Enlarged)Top View (Enlarged)

Unit: [um]Unit: [um]

3D View3D View

Fluidic channels for sample loadingFluidic channels for sample loadingFluidic channels for sensor loading Fluidic channels for sensor loading Control channels Control channels

3D View (Enlarged)3D View (Enlarged)

Multilayer Soft LithographyMultilayer Soft Lithography

Pneumatic Controlled ValvesPneumatic Controlled Valves

Valve ActuationValve Actuation

Valve actuation pressure: < 3.5 psiValve actuation pressure: < 3.5 psi

Fluidic channels for sample loadingFluidic channels for sample loadingFluidic channels for sensor loading Fluidic channels for sensor loading Control channels Control channels

Chip Operation with Food DyesChip Operation with Food Dyes

Fluoresbrite YG 2.0-um microspheres (Polysciences, Inc.)Fluoresbrite YG 2.0-um microspheres (Polysciences, Inc.)

Chip Operation Chip Operation with Fluorescent Microsphereswith Fluorescent Microspheres

Sensor LoadingSensor Loading

A particle sensor in the chamberA particle sensor in the chamber

Spore CaptureSpore Capture

2um-fluorescent microspheres

Particle sensor