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Contact Deformation of Liposome in the Presence of Osmosis
Springer Science and Business Media LLC - Tập 31 - Trang 1279-1286 - 2003
Ji-Jinn Foo, Vincent Chan, Kuo-Kang Liu
The role of osmotic pressure on the geometry of adherent liposome remains an intricate question in the mechanics of supramolecular structures. In this study, confocal reflection interference contrast microscopy in combination with cross-polarized microscopy was applied to probe the geometry of deformed liposome on fused silica substrates through the determination of a vesicle–substrate separation ...... hiện toàn bộ
Automatized Patient-Specific Methodology for Numerical Determination of Biomechanical Corneal Response
Springer Science and Business Media LLC - Tập 44 - Trang 1753-1772 - 2015
M. Á. Ariza-Gracia, J. Zurita, D. P. Piñero, B. Calvo, J. F. Rodríguez-Matas
This work presents a novel methodology for building a three-dimensional patient-specific eyeball model suitable for performing a fully automatic finite element (FE) analysis of the corneal biomechanics. The reconstruction algorithm fits and smooths the patient’s corneal surfaces obtained in clinic with corneal topographers and creates an FE mesh for the simulation. The patient’s corneal elevation ...... hiện toàn bộ
Shear stress-mediated changes in the expression of leukocyte adhesion receptors on human umbilical vein endothelial cellsin vitro
Springer Science and Business Media LLC - Tập 23 - Trang 247-256 - 1995
R. Sampath, G. L. Kukielka, C. W. Smith, S. G. Eskin, L. V. McIntire
Extensive monocyte recruitment is an early phenomenon associated with the development of atherosclerotic lesions, suggesting an active role for the involvement of adhesion receptors expressed by endothelial cells. In this study we describe the contribution of hemodynamic shear forces in regulating the expression of a few of the monocyte adhesion receptors, including intercellular adhesion molecule...... hiện toàn bộ
Acoustic Estimation of Neck Fluid Volume
Springer Science and Business Media LLC - Tập 42 - Trang 2132-2142 - 2014
A. Yadollahi, F. Rudzicz, S. Mahallati, M. Coimbra, T. D. Bradley
Recently we showed that fluid accumulation in the neck can narrow the upper airway (UA) and increase its collapsibility, which may exacerbate obstructive sleep apnea (OSA). However, the available methods for measuring neck fluid volume (NFV) are inconvenient and expensive. Narrowing of the UA due to fluid accumulation could change acoustic characteristics of respiratory sounds. In this study, we d...... hiện toàn bộ
Electrical Localization of Neural Activity in the Dorsal Horn of the Spinal Cord: A Modeling Study
Springer Science and Business Media LLC - Tập 32 - Trang 1694-1709 - 2004
Michael A. Moffitt, Warren M. Grill
Intraspinal microstimulation is a means of eliciting coordinated motor responses for restoration of function. However, detailed maps of the neuroanatomy of the human spinal cord are lacking, and it is not clear where electrodes should be implanted. We developed an electrical approach to localize active neurons in the spinal cord using potentials recorded from the surface of the spinal cord. We eva...... hiện toàn bộ
Turnover with nonidentical sources of labelled and unlabelled substance
Springer Science and Business Media LLC - - 1982
Kenneth H. Norwich
A Finite Element Model for Ultrafast Laser–Lamellar Keratoplasty
Springer Science and Business Media LLC - Tập 34 - Trang 169-183 - 2006
D. Cabrera Fernández, A. M. Niazy, R. M. Kurtz, G. P. Djotyan, T. Juhasz
A biomechanical model of the human cornea is employed in a finite element formulation for simulating the effects of Ultrafast Laser–Lamellar Keratoplasty. Several computer simulations were conducted to study curvature changes of the central corneal zone under various physiological and surgical factors. These factors included the combined effect of corneal flap and residual stromal bed thickness on...... hiện toàn bộ
Fetal Transcatheter Trileaflet Heart Valve Hemodynamics: Implications of Scaling on Valve Mechanics and Turbulence
Springer Science and Business Media LLC - Tập 48 - Trang 1683-1693 - 2020
Hoda Hatoum, Shelley Gooden, Megan Heitkemper, Kevin M. Blum, Jason Zakko, Martin Bocks, Tai Yi, Yen-Lin Wu, Yadong Wang, Christopher K. Breuer, Lakshmi Prasad Dasi
The scarcity of data available on the best approach for pulmonary fetal valve replacement or implantation necessitate an investigation on whether practices using adult transcatheter valves could be translated to fetal applications. The objective of this study is to evaluate the hemodynamic characteristics and the turbulent properties of a fetal sized trileaflet transcatheter pulmonary valve in com...... hiện toàn bộ
Dòng mật không-Newton trong ống dẫn cystic đàn hồi: Mô hình một chiều và ba chiều Dịch bởi AI
Springer Science and Business Media LLC - Tập 36 - Trang 1893-1908 - 2008
W.G. Li, X.Y. Luo, S.B. Chin, N.A. Hill, A.G. Johnson, N.C. Bird
Dòng mật được cho là đóng vai trò thiết yếu trong quá trình sinh lý học bệnh lý của bệnh sỏi mật (hình thành sỏi mật) và trong cơn đau túi mật. Trong bài báo này, chúng tôi mở rộng nghiên cứu trước đó về hệ thống mật của con người (Li et al., 2007, J. Biomech. Eng., 129:164–173) để bao gồm hai yếu tố quan trọng: các tính chất không-Newton của mật, và sự biến dạng đàn hồi của ống dẫn cystic. Một mô...... hiện toàn bộ
#dòng mật không-Newton #ống dẫn cystic #mô hình một chiều #mô hình ba chiều #tương tác chất lỏng-cấu trúc #sinh lý học bệnh lý #bệnh sỏi mật
Comparative Study of Electrospun Scaffolds Containing Native GAGs and a GAG Mimetic for Human Mesenchymal Stem Cell Chondrogenesis
Springer Science and Business Media LLC - Tập 48 Số 7 - Trang 2040-2052 - 2020
Roseline Menezes, Treena Livingston Arinzeh
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