Search Results - "Negreira, Carlos"

A diffraction correction for storage and loss moduli imaging using radiation force based elastography by Budelli, Eliana, Brum, Javier, Bernal, Miguel, Deffieux, Thomas, Tanter, Mickaël, Lema, Patricia, Negreira, Carlos, Gennisson, Jean-Luc

“…Noninvasive evaluation of the rheological behavior of soft tissues may provide an important diagnosis tool. Nowadays, available commercial ultrasound systems…”
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Publisher Correction: Intensity distribution segmentation in ultrafast Doppler combined with scanning laser confocal microscopy for assessing vascular changes associated with ageing in murine hippocampi by Fialho, Maximiliano Anzibar, Alberdi, Lucia Vázquez, Martínez, Mariana, Calero, Miguel, Baranger, Jerome, Tanter, Mickael, Damián, Juan Pablo, Negreira, Carlos, Rubido, Nicolás, Kun, Alejandra, Brum, Javier

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Analysis of the transient surface wave propagation in soft-solid elastic plates by Benech, Nicolás, Brum, Javier, Grinspan, Gustavo, Aguiar, Sofía, Negreira, Carlos A.

“…In dynamic elastography, the goal is to estimate the Young's modulus from audio-frequency wave propagation in soft-tissues. Within this frequency range, the…”
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Intensity distribution segmentation in ultrafast Doppler combined with scanning laser confocal microscopy for assessing vascular changes associated with ageing in murine hippocampi by Anzibar Fialho, Maximiliano, Vázquez Alberdi, Lucia, Martínez, Mariana, Calero, Miguel, Baranger, Jerome, Tanter, Mickael, Damián, Juan Pablo, Negreira, Carlos, Rubido, Nicolás, Kun, Alejandra, Brum, Javier

“…The hippocampus plays an important role in learning and memory, requiring high-neuronal oxygenation. Understanding the relationship between blood flow and…”
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Durability study of a gellan gum-based tissue-mimicking phantom for ultrasonic thermal therapy by Cortela, Guillermo A., Negreira, Carlos A., Pereira, Wagner C. A.

“…Stability and duration of ultrasonic phantoms are still subjects of research. This work presents a tissue-mimicking material (TMM) to evaluate high-intensity…”
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Passive elastography: shear-wave tomography from physiological-noise correlation in soft tissues by Gallot, T., Catheline, S., Roux, P., Brum, J., Benech, N., Negreira, C.

“…Inspired by seismic-noise correlation and time reversal, a shear-wave tomography of soft tissues using an ultrafast ultrasonic scanner is presented here. Free…”
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An automatic classifier of bat sonotypes around the world by Roemer, Charlotte, Julien, Jean‐François, Bas, Yves

“…Bioacoustics is one of the most popular methods in bat research. Bat species are identifiable through their echolocation call features (e.g. peak frequency,…”
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Shear Wave Elastography Based on Noise Correlation and Time Reversal by Brum, Javier, Benech, Nicolás, Gallot, Thomas, Negreira, Carlos

“…Shear wave elastography (SWE) relies on the generation and tracking of coherent shear waves to image the tissue's shear elasticity. Recent technological…”
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Ex vivo determined experimental correction factor for the ultrasonic source term in the bioheat equation by Cortela, Guillermo A., Pereira, Wagner C.A., Negreira, Carlos A.

“…•The influence of the scattering on the ultrasonic absorption and its effect on the thermal dose is evidenced.•An effective absorption coefficient that…”
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In Vivo Ultrafast Doppler Imaging Combined with Confocal Microscopy and Behavioral Approaches to Gain Insight into the Central Expression of Peripheral Neuropathy in Trembler-J Mice by Martínez Barreiro, Mariana, Vázquez Alberdi, Lucia, De León, Lucila, Avellanal, Guadalupe, Duarte, Andrea, Anzibar Fialho, Maximiliano, Baranger, Jérôme, Calero, Miguel, Rubido, Nicolás, Tanter, Mickael, Negreira, Carlos, Brum, Javier, Damián, Juan Pablo, Kun, Alejandra

“…The main human hereditary peripheral neuropathy (Charcot-Marie-Tooth, CMT), manifests in progressive sensory and motor deficits. Mutations in the compact…”
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Monitoring heat-induced changes in soft tissues with 1D transient elastography by Benech, Nicolás, Negreira, Carlos A

“…In this paper 1D transient elastography was employed in fresh bovine skeletal muscle samples to assess the shear elastic modulus mu while the tissue was…”
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Influence of ultrasonic scattering in the calculation of thermal dose in ex-vivo bovine muscular tissues by Cortela, Guillermo A., von Krüger, Marco A., Negreira, Carlos A., Pereira, Wagner C.A.

“…This study explores the effect of ultrasound scattering on the temperature increase in phantoms and in samples of ex-vivo biological tissue through the…”
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Myelinating and demyelinating phenotype of Trembler-J mouse (a model of Charcot-Marie-Tooth human disease) analyzed by atomic force microscopy and confocal microscopy by Rosso, Gonzalo, Negreira, Carlos, Sotelo, José R., Kun, Alejandra

“…The accumulation of misfolded proteins is associated with various neurodegenerative conditions. Mutations in PMP‐22 are associated with the human peripheral…”
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Estimation of PSD shifts for high-resolution metrology of thickness micro-changes with possible applications in vessel walls and biological membrane characterization by Ramos, Antonio, Bazán, Ivonne, Negreira, Carlos, Brum, Javier, Gómez, Tomás, Calás, Héctor, Ruiz, Abelardo, de la Rosa, José Manuel

“…Achieving accurate measurements of inflammation levels in tissues or thickness changes in biological membranes (e.g., amniotic sac, parietal pleura) and thin…”
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Efficiency parameters in time reversal acoustics : Applications to dispersive media and multimode wave propagation by NUNEZ, Ismael, NEGREIRA, Carlos

“…This paper develops a theoretical background for the interpretation of the time reversal (TR) processes applied to the refocalization of acoustic waves in…”
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Longitudinal and lateral low frequency head wave analysis in soft media by BENECH, Nicolas, NEGREIRA, Carlos A

“…This article studies the influence of the head wave in the lateral and longitudinal components of the displacements generated by the radiation of low-frequency…”
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Integrated Evaluation of Age-Related Changes in Structural and Functional Vascular Parameters Used to Assess Arterial Aging, Subclinical Atherosclerosis, and Cardiovascular Risk in Uruguayan Adults: CUiiDARTE Project by Zócalo, Yanina, Bia, Daniel, Farro, Ignacio, Torrado, Juan, Farro, Federico, Florio, Lucía, Olascoaga, Alicia, Brum, Javier, Alallón, Walter, Negreira, Carlos, Lluberas, Ricardo, Armentano, Ricardo L.

“…This work was carried out in a Uruguayan (South American) population to characterize aging-associated physiological arterial changes. Parameters markers of…”
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1-D elasticity assessment in soft solids from shear wave correlation: the time-reversal approach by Benech, N., Catheline, S., Brum, J., Gallot, T., Negreira, C.

“…One-channel time-reversal (TR) experiments allow focalization of waves in reverberant cavities. According to the Rayleigh criterion, the focal spot width is…”
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Time reversal of long coda waves: Experiments in the nonlinear regime by Garay, Gonzalo, Abraham, Yamil, Benech, Nicolás, Negreira, Carlos

“…A problem that arises when the time-reversal process is applied in a nonlinear regime is related to the generation of harmonics: conventional piezoelectric…”
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Shear wave elastography based on noise correlation and time reversal: From 1d to 3d shear elasticity imaging by Brum, Javier, Bernal, Miguel, Rabin, Carolina, Negreira, Carlos, Benech, Nicolas

“…Shear wave elastography (SWE) relies on the generation and tracking of coherent shear waves to image soft tissue’s shear elasticity. However, coherent shear…”
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