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Related papers: Micromechanical characterisation of osteoarthritic…

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Open-porous scaffolds of WE43 Mg alloy with a body-center cubic cell pattern were manufactured by laser powder bed fusion with different strut diameters. The geometry of the unit cells was adequately reproduced during additive manufacturing…

Materials Science · Physics 2020-10-29 M. Li , F. Benn , T. Derra , N. Kroeger , M. Zinser , R. Smeets , J. M. Molina-Aldareguía , A. Kopp , J. LLorca

The ionic conductivity at the grain boundaries (GBs) in oxide ceramics is typically several orders of magnitude lower than that within the grain interior. This detrimental GB effect is the main bottleneck for designing high-performance…

Materials Science · Physics 2025-01-20 Xiang-Long Peng , Bai-Xiang Xu

Objective: To assess the ability of imaging-based deep learning to predict radiographic patellofemoral osteoarthritis (PFOA) from knee lateral view radiographs. Design: Knee lateral view radiographs were extracted from The Multicenter…

Computer Vision and Pattern Recognition · Computer Science 2021-01-13 Neslihan Bayramoglu , Miika T. Nieminen , Simo Saarakkala

Osteonecrosis occurs due to the loss of blood supply to the bone, leading to spontaneous death of the trabecular bone. Delayed treatment of the involved patients results in collapse of the femoral head, which leads to a need for total hip…

Tissues and Organs · Quantitative Biology 2019-01-23 Mahsan Bakhtiarinejad , Farshid Alambeigi , Alireza Chamani , Mathias Unberath , Harpal Khanuja , Mehran Armand

Little is known about local and systemic biomarkers in relation to synovitis and pain in end-stage osteoarthritis (OA) patients. We investigated the associations between the novel extracellular matrix biomarker, C1M, and local and systemic…

The mechanical integrity of arteries is of prime importance, for a proper oxygen and nutrients delivery to all organs. To optimize their mechanical properties, healthy arteries exhibit a complex hierarchical microstructure which ensures a…

Medical Physics · Physics 2019-12-13 Claire Morin , Witold Krasny , Stéphane Avril

We apply the Proper Orthogonal Decomposition (POD) method for the efficient simulation of several scenarios undergone by Micro-Electro-Mechanical-Systems, involving nonlinearites of geometric and electrostatic nature. The former type of…

Numerical Analysis · Mathematics 2022-02-22 Gobat G. , Opreni A. , Fresca S. , Manzoni A. , Frangi A

The critical behavior of a model colloid-polymer mixture, the so-called AO model, is studied using computer simulations and finite size scaling techniques. Investigated are the interfacial tension, the order parameter, the susceptibility…

Soft Condensed Matter · Physics 2007-05-23 R. L. C. Vink , J. Horbach , K. Binder

We use optical trapping to continuously bend an isolated microtubule while simultaneously measuring the applied force and the resulting filament strain, thus allowing us to determine its elastic properties over a wide range of applied…

Biological Physics · Physics 2018-07-24 Edvin Memet , Feodor Hilitski , Margaret A Morris , Walter J Schwenger , Zvonimir Dogic , L Mahadevan

To establish the tissue regions necessary to accurately represent the mechanics of the optic nerve head (ONH), imaging data of the ONH from 2 healthy subjects were used to create in vivo subject-specific eye mechanical models considering…

Medical Physics · Physics 2025-05-01 Soumaya Ouhsousou , Lucy Q. Shen , Chhavi Saini , Amin Pourasghar , Mengyu Wang , John C. Brigham

Background: Osteoporosis and osteopenia are often undiagnosed until fragility fractures occur. Dual-energy X-ray absorptiometry (DXA) is the reference standard for bone mineral density (BMD) assessment, but access remains limited. Knee…

Computer Vision and Pattern Recognition · Computer Science 2026-04-23 Zhaochen Li , Xinghao Yan , Runni Zhou , Xiaoyang Li , Chenjie Zhu , Gege Wang , Yu Shi , Lixin Zhang , Rongrong Fu , Liehao Yan , Yuan Chai

Small-scale mechanical behaviour shows significant departures from classical elastic-plastic theory. In a remarkable number of instances, the strength of a material appears to scale as the reciprocal square root of the smallest length…

Materials Science · Physics 2009-10-30 T. T. Zhu , B. Ehrler , X. D. Hou , A. J. Bushby , D. J. Dunstan

Mobility disabilities are prominent in society with wide-ranging detriments to affected individuals. Addressing the specific deficits of individuals within this heterogeneous population requires modular, partial-assist, lower-limb…

Robotics · Computer Science 2021-10-05 Christopher Nesler , Gray Thomas , Nikhil Divekar , Elliott J. Rouse , Robert D. Gregg

Objective is to assess the ability of texture features for detecting radiographic patellofemoral osteoarthritis (PFOA) from knee lateral view radiographs. We used lateral view knee radiographs from MOST public use datasets (n = 5507 knees).…

Image and Video Processing · Electrical Eng. & Systems 2021-06-07 Neslihan Bayramoglu , Miika T. Nieminen , Simo Saarakkala

Thermal fatigue is a common failure mode in electronic solder joints, yet the role of microstructure is incompletely understood. Here, we quantify the evolution of microstructure and damage in Sn-3Ag-0.5Cu joints throughout a ball grid…

Materials Science · Physics 2024-05-31 J. W. Xian , Y. L. Xu , S. Stoyanov , R. J. Coyle , F. P. E. Dunne , C. M. Gourlay

Osteoarthritis is a disease found in the world, including in Indonesia. The purpose of this study was to detect the disease Osteoarthritis using Self Organizing mapping (SOM), and to know the procedure of artificial intelligence on the…

Computer Vision and Pattern Recognition · Computer Science 2018-02-20 Putri Kurniasih , Dian Pratiwi

Effective scaffolds for bone tissue-engineering are those that combine adequate mechanical and chemical performance with osseointegrative, angiogenetic and anti-bacterial modes of bioactivity. To address these requirements via a combined…

Intravital X-ray microscopy (XRM) in preclinical mouse models is of vital importance for the identification of microscopic structural pathological changes in the bone which are characteristic of osteoporosis. The complexity of this method…

Collagen is the most abundant structural protein in animals, forming hierarchically organised fibrils that provide mechanical support to tissues. Despite detailed structural studies, the physical principles that govern the formation of the…

Soft Condensed Matter · Physics 2025-05-01 Art'om Zolotarjov , Roland Kröger , Dmitri O. Pushkin

A fully automated knee MRI segmentation method to study osteoarthritis (OA) was developed using a novel hierarchical set of random forests (RF) classifiers to learn the appearance of cartilage regions and their boundaries. A neighborhood…

Computer Vision and Pattern Recognition · Computer Science 2019-03-12 Satyananda Kashyap , Honghai Zhang , Karan Rao , Milan Sonka