搜索结果: 1-15 共查到“医学 stiffness”相关记录23条 . 查询时间(0.088 秒)
A better way to measure the stiffness of cancer cells
measure the stiffness cancer cells
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2017/3/14
Biomedical engineers at Duke University have discovered a way to detect signs of cancer on a cell-by-cell basis using two lasers and a camera.Several medical devices currently in use and in clinical t...
Penn/Wistar Study Finds ‘Sweet Spot’ Where Tissue Stiffness Drives Cancer’s Spread
Penn/Wistar Study Sweet Spot Tissue Stiffness Cancer’s Spread
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2017/3/14
In order for cancer to spread, malignant cells must break away from a tumor and through the tough netting of extracellular matrix, or ECM, that surrounds it. To fit through the holes in this net, thos...
The Acute Effect of Local Vibration As a Recovery Modality from Exercise-Induced Increased Muscle Stiffness
Supersonic shear imaging vibratory massage biceps brachii barbell curl exercise muscle passive stiffness
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2016/3/11
Exercise involving eccentric muscle contractions is known to decrease range of motion and increase passive muscle stiffness. This study aimed at using ultrasound shear wave elastography to investigate...
Astaxanthin has no effect on arterial stiffness, oxidative stress, or inflammation in renal transplant recipients: a randomized controlled trial (the XANTHIN trial)
carotid artery intima-media thickness F2-isoprostanes pentraxin-3 pulse wave velocity vascular function
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2018/11/26
Background: There is evidence that renal transplant recipients have accelerated atherosclerosis that is manifest by increased cardiovascular morbidity and mortality. The high incidence of atherosclero...
A New Approach to Modeling Vertical Stiffness in Heel-Toe Distance Runners
Leg stiffness modeling leg spring
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2015/3/11
Various models have been used to describe distance running technique. Among these, the mass-spring model is fairly simple to use and apply, but when employed as a model, does not predict vertical forc...
Effects of Collagen Gel Stiffness on Cdc42 Activities of Endothelial Colony Forming Cells during Early Vacuole Formation
ECFC Vacuole Cdc42 Stiffness FRET
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2015/1/12
Recent preclinical reports have provided evidence that endothelial colony forming cells (ECFCs), a subset of endothelial progenitor cells, significantly improve vessel formation, largely due to their ...
Immediate impact of exercise on arterial stiffness in humans
Arterial Stiffness Pulse Wave Velocity
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2013/2/19
Background and objectives: Increased arterial stiffness is an accepted cardiovascular risk factor. Several studies have shown that regular exercise is associated with reduced arterial stiffness. Howev...
A simulating analysis of the effects of increased joint stiffness on muscle loading in a thumb
increased joint stiffness muscle loading a thumb
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2010/2/25
Our simulations indicated that the increase in joint stiffness induced substantial increases in muscle forces, especially in the EPL and FPL muscles in response to IP, MCP, or CMC extension/flexion mo...
Microscale Control of Stiffness in a Cell-Adhesive Substrate Using Microfluidics-Based Lithography
atomic force microscope extracellular matrix polyethylene glycol diacrylate
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2010/1/7
Microscale Control of Stiffness in a Cell-Adhesive Substrate Using Microfluidics-Based Lithography。
Stiffness Changes in Thermodynamic Nitinol With Increasing Temperature
ELASTICITY STIFFNESS
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2009/2/28
Load-deflection measurements on wires fabricated from a new Nitinol alloy which undergoes physical transformations affecting elastic response at body temperature.
Stiffness of Incisor Segments of Edgewise Arches in Torsion and Bending
ARCHWIRE BENDING MECHANICS TORQUE
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2009/2/28
A quantification of mean arch stiffness and force values in mass torquing of four model maxillary incisors with different Edgewise arch configurations, wire sizes and materials.
Stiffness-deflection behavior of selected orthodontic wires
Orthodontic wires Stiffness
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2009/1/8
Treatment of horizontal and vertical tooth discrepancies requires wires of low stiffness to produce forces as the teeth are leveled and aligned. In this investigation, the stiffness characteristic...
Relative Stiffness of Beta Titanium Archwires
Modulus of elasticity Stiffness Nominal torque Slot play Target torque Custom prescription torque
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2008/12/19
The number of vendors of beta titanium (TMA™ type) wires has recently expanded dramatically. Samples of all the available sizes were obtained from most of the major beta titanium vendors. Thre...
Stiffness in Bending of a Superelastic Ni-Ti Orthodontic Wire as a Function of Cross-Sectional Dimension
Hookean elasticity Nonlinear elasticity Modulus of elasticity Martensitic transformation
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2008/12/16
Superelasticity is a property used in orthodontics to initiate tooth movement in the first stage of orthodontic treatment. It is the aim of all clinicians to accomplish biological tooth movement, wh...
The results of knee manipulation for stiffness after total knee arthroplasty with or without an intra-articular steroid injection
Arthrofibrosis intraarticular injection manipulation pain control range of motion stiffness
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2008/11/27
Background: Stiffness after total knee arthroplasty (TKA) requiring manipulation has a reported incidence of 1.3-54%. The purpose of this study was to compare the incidence of stiffness warranting man...