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14 May 2020

2020 Publication Award of JOR

Le journal of Rheology a décerné son prix 2020 "Publication award" à Abhinendra Singh, Romain Mari, Morton M. Denn & Jeffrey F. Morris pour leur travail sur les suspensions denses et frictionnelles.

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6 May 2020

A new class of absorption lines in the water vapor spectrum

Electric-quadrupole infrared transitions are detected in water vapor at room temperature. This is the first direct detection of quadrupole transitions in a polyatomic molecule. Using a newly developed, high-accuracy variational approach for theoretical predictions, several weak quadrupole transitions of H2O were identified in a highly sensitive cavity-ring-down spectrum of water vapour near 1.3 µm, in full agreement with the computational predictions.

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20 April 2020

QuanTI-FRET, a new method for the quantitative analysis of FRET in living cells

FRET, Förster Resonance Energy Transfer, is an energy transfer between two fluorophores that only takes place when they are within 10nm of each other. The quantitative measurement of this effect makes it possible to measure distances in the nanometer range with a simple fluorescence microscope. While this was possible for isolated molecules, quantification of FRET was considered almost impossible in more complex samples. A team at LIPhy has developed a new method for quantitative measurements of FRET in living cells. This paves the way for a more extensive and successful use of fluorescent biosensors.

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2 April 2020

Faceted bubbles for new acoustic materials

Air bubbles in water are excellent resonators under acoustic frequencies. They are an avenue for new underwater acoustic materials, provided they are stabilized over time and their spatial position is controlled. Using 3D printed supports, physicists from Grenoble have demonstrated that it is possible to generate "faceted bubbles", which are more durable and efficient than conventional spherical bubbles.

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16 March 2020

Cell dance, a persistence issue

Epithelial cell monolayers, that can be thought of as an experimental model of biological tissues, show remarkable displacement and velocity correlations over distances of ten or more cell sizes. These correlated displacements are reminiscent of qualitatively similar cooperative moves observed in supercooled liquids as well as in active nematics.

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To be noted

Ecole Thématique Mécabio

october 2020 @ Lus-La-Croix-Haute

Active Complex Matter 2020

1-11 sept. 2020 @ Cargese (Corsica)

PhD defenses

this automn @ LIPhy

Invited talks

to come @ LIPhy

July 2020 :

Nothing for this month

June 2020 | August 2020