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9 papers · 2 filters
Rotational microrheology of Maxwell fluids using micron-sized wires
Rémy Colin, Loudjy Chevry, Jean-François Berret +1
We demonstrate a simple method for rotational microrheology in complex fluids, using micrometric wires. The three-dimensional rotational Brownian motion of the wires suspended in M…
Thirty Femtograms Detection of Iron in Mammalian Cells
A. Galimard, M. Safi, N. Ould-Moussa +3
Inorganic nanomaterials and particles with enhanced optical, mechanical or magnetic attributes are currently being developed for a wide range of applications. Safety issues have be…
Magnetic wire-based sensors for the micro-rheology of complex fluids
L. Chevry, N. K. Sampathkumar, A. Cebers +1
We propose a simple micro-rheology technique to evaluate the viscoelastic properties of complex fluids. The method is based on the use of magnetic wires of a few microns in length…
Sub-Piconewton Force Detection using Micron-Size Wire Deflections
L. Chevry, J. -F. Berret
The mechanical properties of nanostructured wires obtained by co-assembly of iron oxide particles are studied. The intrinsic magnetic properties of the wires are used to induce and…
Path-memory induced quantization of classical orbits
Emmanuel Fort, Antonin Eddi, Arezki Boudaoud +2
A droplet bouncing on a liquid bath can self-propel due to its interaction with the waves it generates. The resulting "walker" is a dynamical association where, at a macroscopic sc…
Impact dynamics of granular jets with non-circular cross-sections
Xiang Cheng, Leonardo Gordillo, Wendy W. Zhang +2
Using high-speed photography, we investigate two distinct regimes of the impact dynamics of granular jets with non-circular cross-sections. In the steady-state regime, we observe t…