Search Results - "Peyrin, F."

Evaluation of bone scaffolds by micro-CT by Peyrin, F.

“…This paper reviews the possibilities offered by X-ray micro-CT in bone tissue engineering. This technique provides a fast, nondestructive, and 3D…”
Get full text

Investigation of bone with synchrotron radiation imaging: from micro to nano by Peyrin, F.

“…In a paper presented at the Third Meeting on Bone Quality, Jun 2008, Peyrin reviewed applications of synchrotron radiation techniques for the investigation of…”
Get full text

3D X-ray ultra-microscopy of bone tissue by Langer, M., Peyrin, F.

“…We review the current X-ray techniques with 3D imaging capability at the nano-scale: transmission X-ray microscopy, ptychography and in-line phase…”
Get full text

Fast wave ultrasonic propagation in trabecular bone: Numerical study of the influence of porosity and structural anisotropy by Haïat, G., Padilla, F., Peyrin, F., Laugier, P.

“…Our goal is to assess the potential of computational methods as an alternative to analytical models to predict the two longitudinal wave modes observed in…”
Get full text

Determination of the heterogeneous anisotropic elastic properties of human femoral bone: From nanoscopic to organ scale by Sansalone, V, Naili, S, Bousson, V, Bergot, C, Peyrin, F, Zarka, J, Laredo, J.D, Haïat, G

“…Abstract Cortical bone is a multiscale composite material. Its elastic properties are anisotropic and heterogeneous across its cross-section, due to endosteal…”
Get full text

3D characterization of pores in the cortical bone of human femur in the elderly at different locations as determined by synchrotron micro-computed tomography images by Chappard, C., Bensalah, S., Olivier, C., Gouttenoire, P. J., Marchadier, A., Benhamou, C., Peyrin, F.

“…Summary Diaphysis, inferior, and lateral superior regions of the femoral neck are subjected to diverse mechanical loads. Using micro-CT based on synchrotron…”
Get full text

Ash sedimentation by fingering and sediment thermals from wind-affected volcanic plumes by Freret-Lorgeril, V., Gilchrist, J., Donnadieu, F., Jellinek, A.M., Delanoë, J., Latchimy, T., Vinson, J.P., Caudoux, C., Peyrin, F., Hervier, C., Valade, S.

“…•Novel observations of time-dependent ash sedimentation using a 3 mm-wavelength Doppler radar and a ground-based disdrometer.•Wind-induced counter-rotating…”
Get full text

Nonconvex Mixed TV/Cahn–Hilliard Functional for Super-Resolution/Segmentation of 3D Trabecular Bone Images by Li, Y., Sixou, B., Peyrin, F.

“…In this work, we investigate an inverse problem approach to 3D super-resolution/segmentation for an application to the analysis of trabecular bone…”
Get full text

Non-linear iterative phase retrieval based on Frechet derivative by Davidoiu, V, Sixou, B, Langer, M, Peyrin, F

“…Several methods of phase retrieval for in-line phase tomography have already been investigated based on the linearization of the relation between the phase…”
Get full text

Binary Tomography Reconstructions With Stochastic Level-Set Methods by Wang, L., Sixou, B., Peyrin, F.

“…In this work, we propose a stochastic level-set method to reconstruct binary tomography cross-sections from few projections. A first reconstruction image is…”
Get full text

Quantitative evaluation of regularized phase retrieval algorithms on bone scaffolds seeded with bone cells by Weber, L, Langer, M, Tavella, S, Ruggiu, A, Peyrin, F

“…In the field of regenerative medicine, there has been a growing interest in studying the combination of bone scaffolds and cells that can maximize newly formed…”
Get more information

Engineering of bone using bone marrow stromal cells and a silicon-stabilized tricalcium phosphate bioceramic: Evidence for a coupling between bone formation and scaffold resorption by Mastrogiacomo, M, Papadimitropoulos, A, Cedola, A, Peyrin, F, Giannoni, P, Pearce, S.G, Alini, M, Giannini, C, Guagliardi, A, Cancedda, R

“…Abstract Resorbable porous ceramic constructs, based on silicon-stabilized tricalcium phosphate, were implanted in critical-size defects of sheep tibias,…”
Get full text

Relationships of trabecular bone structure with quantitative ultrasound parameters: In vitro study on human proximal femur using transmission and backscatter measurements by Padilla, F, Jenson, F, Bousson, V, Peyrin, F, Laugier, P

“…Abstract The present study was designed to assess the relationships between QUS parameters and bone density or microarchitecture on samples of human femoral…”
Get full text

Anatomical distribution of the degree of mineralization of bone tissue in human femoral neck: Impact on biomechanical properties by Sansalone, V, Bousson, V, Naili, S, Bergot, C, Peyrin, F, Laredo, J.D, Haïat, G

“…Abstract Osteoporotic hip fractures represent a major public health problem associated with high human and economic costs. The anatomical variation of the…”
Get full text

Bulk and interface investigations of scaffolds and tissue-engineered bones by X-ray microtomography and X-ray microdiffraction by Cancedda, R, Cedola, A, Giuliani, A, Komlev, V, Lagomarsino, S, Mastrogiacomo, M, Peyrin, F, Rustichelli, F

“…Abstract This review is presented of recent investigations concerning the structure of ceramic scaffolds and tissue-engineered bones and focused on two…”
Get full text

Subchondral bone micro-architectural alterations in osteoarthritis: a synchrotron micro-computed tomography study by Chappard, C., Peyrin, F., Bonnassie, A., Lemineur, G., Brunet-Imbault, B., Lespessailles, E., Benhamou, C.-L.

“…We evaluated the three-dimensional (3D) micro-architecture of subchondral trabecular (Tb) bone in osteoarthritis (OA). Due to high signal-to-noise ratio and…”
Get full text

Tissue engineering of bone: search for a better scaffold by Mastrogiacomo, M, Muraglia, A, Komlev, V, Peyrin, F, Rustichelli, F, Crovace, A, Cancedda, R

“…Structured Authors –  Mastrogiacomo M, Muraglia A, Komlev V, Peyrin F, Rustichelli F, Crovace A, Cancedda R Background –  Large bone defects still represent a…”
Get full text

Variation of Ultrasonic Parameters With Microstructure and Material Properties of Trabecular Bone: A 3D Model Simulation by Haïat, Guillaume, Padilla, Frédéric, Peyrin, Françoise, Laugier, Pascal

“…This study determined the influence of trabecular bone microstructure and material properties on QUS parameters using numerical simulations coupled with…”
Get full text

Multiscale and multimodality computed tomography for cortical bone analysis by Ostertag, A, Peyrin, F, Gouttenoire, P J, Laredo, J D, DeVernejoul, M C, Cohen Solal, M, Chappard, C

“…In clinical studies, high resolution peripheral quantitative computed tomography (HR-pQCT) is used to separately evaluate cortical bone and trabecular bone…”
Get more information

Registration of phase‐contrast images in propagation‐based X‐ray phase tomography by WEBER, L., HÄNSCH, A., WOLFRAM, U., PACUREANU, A., CLOETENS, P., PEYRIN, F., RIT, S., LANGER, M.

“…Summary X‐ray phase tomography aims at reconstructing the 3D electron density distribution of an object. It offers enhanced sensitivity compared to…”
Get full text