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Matteo Cornaglia

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Related publications (38)

Automated longitudinal monitoring of in vivo protein aggregation in neurodegenerative disease C. elegans models

Thomas Lehnert, Martinus Gijs, Johan Auwerx, Matteo Cornaglia, Laurent Mouchiroud, Govindan Narayanan Krishnamani, Vincenzo Sorrentino

Background: While many biological studies can be performed on cell-based systems, the investigation of molecular pathways related to complex human dysfunctions - e.g. neurodegenerative diseases - often requires long-term studies in animal models. The nemat ...

BioMed Central2016

On-chip microfluidic biocommunication assay for studying male-induced demise in C. elegans hermaphrodites

Thomas Lehnert, Martinus Gijs, Matteo Cornaglia, Li Dong

Like other animals, C. elegans nematodes have the ability to socially interact and to communicate through exchange and sensing of small soluble signaling compounds that help them cope with complex environmental conditions. For the time being, worm biocommu ...

Royal Soc Chemistry2016

Size-dependent sorting of C. elegans nematodes through an adjustable microfluidic filter structure

Thomas Lehnert, Martinus Gijs, Matteo Cornaglia, Li Dong

We introduce a new and simple microfluidic sorting device based on adjustable filter structures that can be easily tuned by external pressure for a specific size-dependent C. elegans worm sorting experiment. A single device can be used for selecting and so ...

2016

Versatile size-dependent sorting of C-elegans nematodes and embryos using a tunable microfluidic filter structure

Thomas Lehnert, Martinus Gijs, Matteo Cornaglia, Li Dong

The roundworm Caenorhabditis elegans (C. elegans) is a powerful model organism for addressing fundamental biological questions related to human disease and aging. Its life cycle consists of an embryo stage, four larval stages that can be clearly distinguis ...

Royal Soc Chemistry2016

Digital microfluidics for time-resolved cytotoxicity studies on single non-adherent yeast cells

Martinus Gijs, Matteo Cornaglia

Single cell analysis (SCA) has gained increased popularity for elucidating cellular heterogeneity at genomic, proteomic and cellular levels. Flow cytometry is considered as one of the most widely used techniques to characterize single cell responses; howev ...

Royal Soc Chemistry2015

Merging microfluidics and micro-array concepts: from molecular to nematode-based bioassays

Matteo Cornaglia

Essential in biomedical research is the necessity of gathering statistically relevant data about large populations of specific biological entities, e.g. organisms, cells or molecules, while preserving detailed information about each single entity under in ...

EPFL2015

An automated microfluidic platform for C. elegans embryo arraying, phenotyping, and long-term live imaging

Thomas Lehnert, Martinus Gijs, Johan Auwerx, Shreya Narasimhan, Matteo Cornaglia, Laurent Mouchiroud, Alexis Pierre Henri Marette, Virginija Jovaisaite

Studies of the real-time dynamics of embryonic development require a gentle embryo handling method, the possibility of long-term live imaging during the complete embryogenesis, as well as of parallelization providing a population's statistics, while keepin ...

Nature Publishing Group2015

Separation of magnetic microparticles in segmented flow using asymmetric splitting regimes

Martinus Gijs, Matteo Cornaglia

A magnetic microparticle-based bioassay requires the separation of the microparticles from the sample matrix, after the microparticles have specifically captured the target of interest. For the implementation of such an assay in water-in-oil droplet segmen ...

Springer Heidelberg2015

Dose-response curve of a microfluidic magnetic bead-based surface coverage sandwich assay

Thomas Lehnert, Martinus Gijs, Hüseyin Cumhur Tekin, Matteo Cornaglia, Raphaël Etienne Jean Trouillon

Magnetic micro-and nanoparticles ('magnetic beads') have been used to advantage in many microfluidic devices for sensitive antigen (Ag) detection. Today, assays that use as read-out of the signal the number count of immobilized beads on a surface for quant ...

Elsevier2015

Photonic Nanojet Array for Fast Detection of Single Nanoparticles in a Flow

Martinus Gijs, Hui Yang, Matteo Cornaglia

We detect by optical microscopy Au and fluorescent nanopartides (NPs) during their motion in water based medium, using an array of dielectric microspheres that are patterned in a microwell array template. The Microspheres act as lenses focusing the light o ...

American Chemical Society2015

Study of constrained Brownian motion of nanoparticles near an interface using optical tweezers

Thomas Lehnert, Martinus Gijs, Hui Yang, Matteo Cornaglia, Raphaël Etienne Jean Trouillon

We demonstrate a method to determine the Brownian motion and the diffusion coefficient of a nanoparticle in water in a plane that is parallel to a solid boundary and as function of the distance normal to that boundary by using an optical tweezers instrumen ...

Spie-Int Soc Optical Engineering2015

A random-walk based model to explain ultrasensitive magnetic bead-based immunoassays

Thomas Lehnert, Martinus Gijs, Hüseyin Cumhur Tekin, Matteo Cornaglia, Raphaël Etienne Jean Trouillon

We introduce a new modeling approach for understanding the fundamental principle of bead-based surface coverage immunoassays that rely on the specific interaction between surface-bound “small” magnetic beads (1 μm in diameter) and a flow of “large” magneti ...

2014

Magnetic Particle-Scanning for Ultrasensitive Immunodetection On-Chip

Thomas Lehnert, Martinus Gijs, Hüseyin Cumhur Tekin, Matteo Cornaglia, Raphaël Etienne Jean Trouillon

We describe the concept of magnetic particle-scanning for on-chip detection of biomolecules: a magnetic particle, carrying a low number of antigens (Ag's) (down to a single molecule), is transported by hydrodynamic forces and is subjected to successive sto ...

American Chemical Society2014

Magnetic microparticle based DNA extraction in a droplet microfluidic chip

Martinus Gijs, Matteo Cornaglia

2014

An automated microfluidic platform for reversible immobilization and imaging of C. elegans

Thomas Lehnert, Martinus Gijs, Johan Auwerx, Matteo Cornaglia, Marie-Pierre Meurville, Laurent Mouchiroud, Govindan Narayanan Krishnamani

2014

An automated microfluidic platform for long-term high-resolution imaging of C. elegans

Thomas Lehnert, Martinus Gijs, Johan Auwerx, Matteo Cornaglia, Marie-Pierre Meurville, Laurent Mouchiroud, Govindan Narayanan Krishnamani

We describe a microfluidic platform for the automated culture, treatment and long-term highresolution imaging of Caenorhabditis elegans nematodes under normal physiological conditions. Our device features: (i) a microfluidic design tailored for the isolati ...

2014

Fine-tuning of magnetic and microfluidic viscous forces for specific magnetic bead-based immunocomplex formation

Thomas Lehnert, Martinus Gijs, Hüseyin Cumhur Tekin, Matteo Cornaglia

We investigate the working principle of a novel type of microfluidic sandwich immunoassay, as used for the detection of biomarkers. The heterogeneous assay is based on the specific interactions between an array of functionalized superparamagnetic beads and ...

American Institute of Physics2013

Attomolar protein detection using a magnetic bead surface coverage assay

Martinus Gijs, Hüseyin Cumhur Tekin, Matteo Cornaglia

We demonstrate a microfluidic method for ultra-sensitive protein detection in serum. First, ‘large’ (2.8 μm) antibody-functionalized magnetic beads specifically capture antigen from a serum matrix under active microfluidic mixing. Subsequently, the large b ...

Royal Society of Chemistry2013

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