Matrix homeostasis within the immature annulus fibrosus depends on the frequency of dynamic compression: a study based on the self-developed mechanically active bioreactor.

abstract：:During angiogenesis, sprouting microvessels interact with the extracellular matrix (ECM) by degrading and reorganizing the matrix, applying traction forces, and producing deformation. Morphometric features of the resulting microvascular network are affected by the interaction between the matrix and angiogenic microves...

journal_title：Biomechanics and modeling in mechanobiology

authors： Edgar LT,Maas SA,Guilkey JE,Weiss JA

更新日期：2015-08-01 00:00:00

abstract：:Uniaxial tensile and relaxation tests were carried out on annulus fibrosus samples carved out in the circumferential direction. Images were shot perpendicularly to the loading direction. Digital image correlation techniques accurately measured the evolution of full displacement fields in both transverse directions: pl...

journal_title：Biomechanics and modeling in mechanobiology

authors： Baldit A,Ambard D,Cherblanc F,Royer P

更新日期：2014-06-01 00:00:00

abstract：:Plaque progression and vulnerability are influenced by many risk factors. Our goal is to find a simple method to combine multiple risk factors for better plaque development prediction. Intravascular ultrasound data at baseline and follow-up were acquired from nine patients, and fluid-structure interaction models were ...

journal_title：Biomechanics and modeling in mechanobiology

authors： Wang L,Tang D,Maehara A,Molony D,Zheng J,Samady H,Wu Z,Lu W,Zhu J,Ma G,Giddens DP,Stone GW,Mintz GS

更新日期：2019-10-01 00:00:00

abstract：:Continuum mechanical tools are used to describe the deformation, energy density, and material symmetry of a lipid bilayer with spontaneous curvature. In contrast to conventional approaches in which lipid bilayers are modeled by material surfaces, here we rely on a three-dimensional approach in which a lipid bilayer is...

journal_title：Biomechanics and modeling in mechanobiology

authors： Maleki M,Seguin B,Fried E

更新日期：2013-10-01 00:00:00

abstract：:Mineralized collagen fibrils have been usually analyzed like a two-phase composite material where crystals are considered as platelets that constitute the reinforcement phase. Different models have been used to describe the elastic behavior of the material. In this work, it is shown that when Halpin-Tsai equations are...

journal_title：Biomechanics and modeling in mechanobiology

authors： Vercher A,Giner E,Arango C,Tarancón JE,Fuenmayor FJ

更新日期：2014-04-01 00:00:00

abstract：:This research studies dynamic culture for 3D tissue construct development with computational fluid dynamics. It proposes a mathematical model to evaluate the impact of flow rates and flow shear stress on cell growth in 3D constructs under perfusion. The modeling results show that dynamic flow, even at flow rate as low...

journal_title：Biomechanics and modeling in mechanobiology

authors： Liu D,Chua CK,Leong KF

更新日期：2013-01-01 00:00:00

abstract：:A computationally efficient method is described for simulating the dynamics of the left ventricle (LV) in three dimensions. LV motion is represented as a combination of a limited number of deformation modes, chosen to represent observed cardiac motions while conserving volume in the LV wall. The contribution of each m...

journal_title：Biomechanics and modeling in mechanobiology

authors： Hong BD,Moulton MJ,Secomb TW

更新日期：2019-12-01 00:00:00

abstract：:There is a growing interest in the development of patient-specific finite element models of the human lumbar spine for both the assessment of injury risk and the development of treatment strategies. A current challenge in implementing these models is that the outer annulus fibrosus of the disc is composed of concentri...

journal_title：Biomechanics and modeling in mechanobiology

authors： Michalek AJ

更新日期：2019-10-01 00:00:00

abstract：:Flow-induced damage to red blood cells has been an issue of considerable importance since the introduction of the first cardiovascular devices. Early blood damage prediction models were based on measurements of damage by shear stress only. Subsequently, these models were extrapolated to include other components of the...

journal_title：Biomechanics and modeling in mechanobiology

authors： Faghih MM,Sharp MK

更新日期：2020-02-01 00:00:00

abstract：:We propose a multiscale mechanobiological model of bone remodelling to investigate the site-specific evolution of bone volume fraction across the midshaft of a femur. The model includes hormonal regulation and biochemical coupling of bone cell populations, the influence of the microstructure on bone turnover rate, and...

journal_title：Biomechanics and modeling in mechanobiology

authors： Lerebours C,Buenzli PR,Scheiner S,Pivonka P

更新日期：2016-02-01 00:00:00

abstract：:Intracellular calcium dynamics plays an important role in the regulation of vascular endothelial cellular functions. In order to probe the intracellular calcium dynamic response under synergistic effect of wall shear stress (WSS) and adenosine triphosphate (ATP) signals, a novel microfluidic device, which provides the...

journal_title：Biomechanics and modeling in mechanobiology

authors： Chen ZZ,Yuan WM,Xiang C,Zeng DP,Liu B,Qin KR

更新日期：2019-02-01 00:00:00

abstract：:The action induced by artificial sphincteric devices to provide urinary continence is related to the problem of evaluating the interaction between the occlusive cuff and the urethral duct. The intensity and distribution of the force induced within the region of application determine a different occlusion process and p...

journal_title：Biomechanics and modeling in mechanobiology

authors： Natali AN,Carniel EL,Fontanella CG,Todros S,De Benedictis GM,Cerruto MA,Artibani W

更新日期：2017-08-01 00:00:00

abstract：:In adaptive bone remodeling, mechanical signals such as stress/strain caused by loading/deformation are believed to play important roles as regulators of the process in which osteoclastic resorption and osteoblastic formation are coordinated under a local mechanical environment. The mechanism by which cells sense and ...

journal_title：Biomechanics and modeling in mechanobiology

authors： Adachi T,Sato K,Tomita Y

更新日期：2003-11-01 00:00:00

abstract：:Ischemic stroke is a major cause of death and long-term disabilities worldwide. In this paper, we aim to represent a comprehensive simulation of the motion of emboli through cerebrovascular network within patient-specific computational model. The model consists of major arteries of the circle of Willis reconstructed f...

journal_title：Biomechanics and modeling in mechanobiology

authors： Khodaee F,Vahidi B,Fatouraee N

更新日期：2016-10-01 00:00:00

abstract：:Tissue expansion is a common surgical procedure to grow extra skin through controlled mechanical over-stretch. It creates skin that matches the color, texture, and thickness of the surrounding tissue, while minimizing scars and risk of rejection. Despite intense research in tissue expansion and skin growth, there is a...

journal_title：Biomechanics and modeling in mechanobiology

authors： Zöllner AM,Buganza Tepole A,Gosain AK,Kuhl E

更新日期：2012-07-01 00:00:00

abstract：:Adherent cells sense their mechanical environment, which, in turn, regulates their functions. During the past decade, a growing body of evidence has indicated that a deformable, solid-state intracellular structure known as the cytoskeleton (CSK) plays a major role in transmitting and distributing mechanical stresses w...

journal_title：Biomechanics and modeling in mechanobiology

authors： Stamenović D,Ingber DE

更新日期：2002-06-01 00:00:00

abstract：:Biological materials can undergo large deformations and also show viscoelastic behaviour. One such material is the network of actin filaments found in biological cells, giving the cell much of its mechanical stiffness. A theory for predicting the relaxation behaviour of actin networks cross-linked with the cross-linke...

journal_title：Biomechanics and modeling in mechanobiology

authors： Fallqvist B,Kroon M

更新日期：2013-04-01 00:00:00

abstract：:The two main load bearing tissues of the intervertebral disc are the nucleus pulposus and the annulus fibrosus. Both tissues are composed of the same basic components, but differ in their organization and relative amounts. With degeneration, the clear distinction between the two tissues disappears. The changes in bioc...

journal_title：Biomechanics and modeling in mechanobiology

authors： van Rijsbergen MM,Barthelemy VM,Vrancken AC,Crijns SP,Wilke HJ,Wilson W,van Rietbergen B,Ito K

更新日期：2017-04-01 00:00:00

abstract：:Articular cartilages swell and shrink depending on the ionic strength of the electrolyte they are in contact with. This electro-chemo-mechanical coupling is due to the presence of fixed electrical charges on proteoglycans (PGs). In addition, at nonphysiological pH, collagen fibers become charged. Therefore, variation ...

journal_title：Biomechanics and modeling in mechanobiology

authors： Loret B,Simões FM

更新日期：2010-02-01 00:00:00

abstract：:We propose a mechanical model of generation of vitreoretinal tractions in the presence of posterior vitreous detachment (PVD). PVD is a common occurrence with aging, and it consists in the separation of the vitreous body from the retina at the back pole of the eye, due to progressive shrinking of the vitreous gel. Dur...

journal_title：Biomechanics and modeling in mechanobiology

authors： Di Michele F,Tatone A,Romano MR,Repetto R

更新日期：2020-12-01 00:00:00

abstract：:One of only a few approved and available anabolic treatments for severe osteoporosis is daily injections of PTH (1-34). This drug has a specific dual action which can act either anabolically or catabolically depending on the type of administration, i.e. intermittent or continuous, respectively. In this paper, we prese...

journal_title：Biomechanics and modeling in mechanobiology

authors： Lavaill M,Trichilo S,Scheiner S,Forwood MR,Cooper DML,Pivonka P

更新日期：2020-10-01 00:00:00

abstract：:The equilibrium shapes of lipid vesicles are perturbed by rigid inclusions. In a two-dimensional vesicle, that may also model a cylindrically elongated tubule, the shape modifications can be determined analytically, and turn out to be significant even far from the inclusion. On the contrary, previous numerical work ha...

journal_title：Biomechanics and modeling in mechanobiology

authors： Biscari P,Napoli G

更新日期：2007-09-01 00:00:00

abstract：:It was reported that a single-strand DNA (ssDNA) could be inbreathed spontaneously into a carbon nanotube (CNT). In this work, the complementary process, i.e. pulling a piece of ssDNA out of a single-walled (SW) CNT, is simulated using molecular dynamic methods. The pulling force is found to fluctuate around a plateau...

journal_title：Biomechanics and modeling in mechanobiology

authors： Li Z,Yang W

更新日期：2011-04-01 00:00:00

abstract：:Mathematical and computational modeling of the dynamic process where tissue scaffolds are cultured in perfusion bioreactors is able to provide insight into the cell and tissue growth which can facilitate the design of tissue scaffolds and selection of optimal operating conditions. To date, a resolved-scale simulation ...

journal_title：Biomechanics and modeling in mechanobiology

authors： Hossain MS,Bergstrom DJ,Chen XB

更新日期：2015-04-01 00:00:00

abstract：:During total liquid ventilation, lung cells are exposed to perfluorocarbon (PFC) whose chemophysical properties highly differ from standard aqueous cell feeding medium (DMEM). We herein perform a systematic study of structural and mechanical properties of A549 alveolar epithelial cells in order to characterize their r...

journal_title：Biomechanics and modeling in mechanobiology

authors： André Dias S,Planus E,Angely C,Lotteau L,Tissier R,Filoche M,Louis B,Pelle G,Isabey D

更新日期：2018-08-01 00:00:00

abstract：:Cartilage matrix mechanical function is largely determined by interactions between the collagen fibrillar network and the proteoglycan gel. Although the molecular physics of these matrix constituents have been characterized and modern imaging methods are capable of localized measurement of molecular densities and orie...

journal_title：Biomechanics and modeling in mechanobiology

authors： Quinn TM,Morel V

更新日期：2007-01-01 00:00:00

abstract：:In myocardial infarction, muscle tissue of the heart is damaged as a result of ceased or severely impaired blood flow. Survivors have an increased risk of further complications, possibly leading to heart failure. Material properties play an important role in determining post-infarction outcome. Due to spatial variatio...

journal_title：Biomechanics and modeling in mechanobiology

authors： Balaban G,Finsberg H,Funke S,Håland TF,Hopp E,Sundnes J,Wall S,Rognes ME

更新日期：2018-10-01 00:00:00

abstract：:Conventional brain injury metrics are scalars that treat the whole head/brain as a single unit but do not characterize the distribution of brain responses. Here, we establish a network-based "response feature matrix" to characterize the magnitude and distribution of impact-induced brain strains. The network nodes and ...

journal_title：Biomechanics and modeling in mechanobiology

authors： Wu S,Zhao W,Rowson B,Rowson S,Ji S

更新日期：2020-06-01 00:00:00

abstract：:We propose and analyse the properties of a new class of models for the electromechanics of cardiac tissue. The set of governing equations consists of nonlinear elasticity using a viscoelastic and orthotropic exponential constitutive law, for both active stress and active strain formulations of active mechanics, couple...

journal_title：Biomechanics and modeling in mechanobiology

authors： Propp A,Gizzi A,Levrero-Florencio F,Ruiz-Baier R

更新日期：2020-04-01 00:00:00

abstract：:Formins promote actin assembly and are involved in force-dependent cytoskeletal remodeling. However, how force alters the formin functions still needs to be investigated. Here, using atomic force microscopy and biomembrane force probe, we investigated how mechanical force affects formin-mediated actin interactions at ...

journal_title：Biomechanics and modeling in mechanobiology

authors： Li Z,Lee H,Eskin SG,Ono S,Zhu C,McIntire LV

更新日期：2020-10-01 00:00:00