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Régis Peytavi

Researcher at Laval University

Publications -  37
Citations -  1708

Régis Peytavi is an academic researcher from Laval University. The author has contributed to research in topics: DNA microarray & Nucleic acid. The author has an hindex of 22, co-authored 37 publications receiving 1588 citations. Previous affiliations of Régis Peytavi include University of California.

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Vancomycin-modified nanoparticles for efficient targeting and preconcentration of Gram-positive and Gram-negative bacteria.

TL;DR: Small molecule-modified superparamagnetic nanoparticles developed and employed in magnetic confinement assays to isolate a variety of Gram-positive and Gram-negative bacteria from aqueous solution determined that the orientation/architecture of vancomycin on the surface of the nanoparticles and the overall surface coverage is critical in mediating fast and effective interactions between the nanoparticle and the pathogen cell wall surface.
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Serial siphon valving for centrifugal microfluidic platforms

TL;DR: A novel serial siphon valve is introduced that relies on multiple, inline siphons to provide for a better controlled, sequential release of fluids, and is shown to be robust and reproducible.
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Validation of a centrifugal microfluidic sample lysis and homogenization platform for nucleic acid extraction with clinical samples.

TL;DR: The platform was found to be as efficient as in-tube bead-beating lysis and homogenization for nucleic acid extraction, and capable of processing 4 samples in batch to near PCR-ready products in under 6 min.
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Microfluidic Device for Rapid (<15 min) Automated Microarray Hybridization

TL;DR: This removable microfluidic system for performing microarray hybridization on glass slides is promising for molecular diagnostics and gene profiling and did not require any purification of target nucleic acids.
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Modulation of gene expression in Leishmania drug resistant mutants as determined by targeted DNA microarrays

TL;DR: The microarrays were useful in the study of resistant parasites to pinpoint several genes linked to drug resistance, including the amplification of the S-adenosyl homocysteine hydrolase gene (SAHH).