output
20092025
most citedUltrafast imaging of cell elasticity with optical microelastography

84 citations

16 papers

physics.flu-dyn2025

Resonance behavior of a bubble near a spherical inclusion

Thomas Micol, Alexander A. Doinikov, Cyril Mauger +1

We present an analytical model for the frequency response of a gas microbubble oscillating near a spherical inclusion of arbitrary size and mechanical nature (rigid, fluid, or visc…

physics.class-ph2025

Interstitial dual-mode ultrasound with a 3-mm MR-compatible catheter for image-guided HIFU and directional in-vitro tissue ablations

Thomas Biscaldi, Romain l'Huillier, Laurent Milot +1

Current interstitial techniques of tumor ablation face challenges that ultrasound technologies could meet. The ablation radius and directionality of the ultrasound beam could impro…

physics.med-ph2024★ 5 cited

In vivo exposure of the bladder using a non-invasive high intensity focused ultrasound toroidal transducer

Victor Delattre, Sophie Cambronero, Yao Chen +5

A toroidal high-intensity focused ultrasound (HIFU) transducer was used to expose normal bladder wall tissues non-invasively in vivo in a porcine model in order to investigate the…

physics.class-ph2021

Spatio-temporal characterization of causal electrophysiological activity stimulated by single pulse focused ultrasound: An ex vivo study on hippocampal brain slices

Ivan Suarez-Castellanos, Elena Dossi, Jeremy Vion-Bailly +5

Objective: The brain operates via generation, transmission and integration of neuronal signals and most neurological disorders are related to perturbation of these processes. Neuro…

physics.med-ph2019★ 6 cited

Capturing the shear and secondary compression wave: High frame rate ultrasound imaging in saturated foams

Johannes Aichele, Bruno Giammarinaro, Michael Reinwald +2

We experimentally observe the shear and secondary compression wave inside soft porous water-saturated melamine foams by high frame rate ultrasound imaging. Both wave speeds are sup…

physics.med-ph2018★ 20 cited

Generation of Shear Waves by Laser in Soft Media in the Ablative and Thermoelastic Regimes

Pol Grasland-Mongrain, Yuankang Lu, Frederic Lesage +2

This article describes the generation of elastic shear waves in a soft medium using a laser beam. Our experiments show two different regimes depending on laser energy. Physical mod…

physics.med-ph2018★ 84 cited

Ultrafast imaging of cell elasticity with optical microelastography

Pol Grasland-Mongrain, Ali Zorgani, Shoma Nakagawa +5

Elasticity is a fundamental cellular property that is related to the anatomy, functionality and pathological state of cells and tissues. However, current techniques based on cell d…

physics.med-ph2016★ 16 cited

Contactless Remote Induction of Shear Waves in Soft Tissues Using a Transcranial Magnetic Stimulation Device

Pol Grasland-Mongrain, Erika Miller-Jolicoeur, An Tang +2

This study presents the first observation of shear wave induced remotely within soft tissues. It was performed through the combination of a transcranial magnetic stimulation device…

physics.med-ph2015★ 44 cited

Acousto-electrical speckle pattern in Lorentz force electrical impedance tomography

Pol Grasland-Mongrain, Francois Destrempes, Jean-Martial Mari +5

Ultrasound speckle is a granular texture pattern appearing in ultrasound imaging. It can be used to distinguish tissues and identify pathologies. Lorentz force electrical impedance…

physics.med-ph2014★ 25 cited

Imaging of Shear Waves Induced by Lorentz Force in Soft Tissues

Pol Grasland-Mongrain, Rémi Souchon, Florian Cartellier +4

This study presents the first observation of elastic shear waves generated in soft solids using a dynamic electromagnetic field. The first and second experiments of this 5 study sh…

physics.med-ph2014★ 79 cited

Lorentz Force Electrical Impedance Tomography

Pol Grasland-Mongrain, Jean-Martial Mari, Jean-Yves Chapelon +1

This article describes a method called Lorentz Force Electrical Impedance Tomography. The electrical conductivity of biological tissues can be measured through their sonication in…

math.AP2014★ 1 cited

A mathematical and numerical framework for ultrasonically-induced Lorentz force electrical impedance tomography

Habib Ammari, Pol Grasland-Mongrain, Pierre Millien +2

We provide a mathematical analysis and a numerical framework for Lorentz force electrical conductivity imaging. Ultrasonic vibration of a tissue in the presence of a static magneti…

physics.class-ph2012★ 17 cited

Electromagnetic Hydrophone with Tomographic System for Absolute Velocity Field Mapping

Pol Grasland-Mongrain, Bruno Gilles, Jean-Martial Mari +2

The velocity and pressure of an ultrasonic wave can be measured by an electromagnetic hydrophone made of a thin wire and a magnet. The ultrasonic wave vibrates the wire inside a ma…

math.ST2011★ 4 cited

Fast change point analysis on the Hurst index of piecewise fractional Brownian motion

Mehdi Fhima, Arnaud Guillin, Pierre R. Bertrand

In this presentation, we introduce a new method for change point analysis on the Hurst index for a piecewise fractional Brownian motion. We first set the model and the statistical…

physics.class-ph2009★ 1 cited

Sound propagation in a solid through a screen of cylindrical scatterers

Yves C. Angel, Christophe Aristégui, Mihai Caleap

The propagation of SH waves in a solid containing a screen of line-like scatterers is investigated. When the scatterers are uniformly distributed, the amplitudes of the coherent wa…

stat.ME2009★ 1 cited

Detection of Change--Points in the Spectral Density. With Applications to ECG Data

Pierre R. Bertrand, Gilles Teyssière, Gil Boudet +1

We propose a new method for estimating the change-points of heart rate in the orthosympathetic and parasympathetic bands, based on the wavelet transform in the complex domain and t…