Publication

A microfluidic device for longitudinal studies of C.elegans neurodegenerative disease models

Martinus Adela Maria Gijs, Thomas Lehnert
2015
Conference Papers

Abstract

We describe a microfluidic device for automated culture and long-term high resolution imaging of Caenorhabditis elegans nematodes, which we specifically employed as model organisms for the analysis of neurodegenerative disease progression. In this platform, we integrated: (i) a microfluidic design tailored for the confinement of worms at the L2 larval stage in separate culture chambers by means of passive hydrodynamics; (ii) an optimized protocol for worm feeding and progeny removal at desired rate, allowing follow-up of the same worms over long-term studies; (iii) a technique for reversible C.elegans immobilization, based on the thermoreversible gelation of Pluronic F127 (PF127) inside the microfluidic chip; (iv) active control of the device temperature; (v) a compact device assembly, suitable for automated multi-dimensional imaging on any upright or inverted microscope.

Official source

https://infoscience.epfl.ch/entities/publication/4933b256-8888-48d0-afd2-19b333618cc3

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Martinus Adela Maria Gijs, Thomas Lehnert
2015
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/4933b256-8888-48d0-afd2-19b333618cc3

About this result

Related concepts (32)

Microfluidics

Microfluidics refers to a system that manipulates a small amount of fluids ((10−9 to 10−18 liters) using small channels with sizes ten to hundreds micrometres. It is a multidisciplinary field that involves molecular analysis, biodefence, molecular biology, and microelectronics. It has practical applications in the design of systems that process low volumes of fluids to achieve multiplexing, automation, and high-throughput screening.

Lab-on-a-chip

A lab-on-a-chip (LOC) is a device that integrates one or several laboratory functions on a single integrated circuit (commonly called a "chip") of only millimeters to a few square centimeters to achieve automation and high-throughput screening. LOCs can handle extremely small fluid volumes down to less than pico-liters. Lab-on-a-chip devices are a subset of microelectromechanical systems (MEMS) devices and sometimes called "micro total analysis systems" (μTAS). LOCs may use microfluidics, the physics, manipulation and study of minute amounts of fluids.

Droplet-based microfluidics

Droplet-based microfluidics manipulate discrete volumes of fluids in immiscible phases with low Reynolds number and laminar flow regimes. Interest in droplet-based microfluidics systems has been growing substantially in past decades. Microdroplets offer the feasibility of handling miniature volumes (μl to fl) of fluids conveniently, provide better mixing, encapsulation, sorting, sensing and are suitable for high throughput experiments.

Related publications (7)

A microfluidic device for longitudinal studies of C.elegans neurodegenerative disease models

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