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Sarcomere Length Fluctuations and Flow in Living Cells
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12 Jan 2011 | Poster | Contributor(s): Tanmay P. Lele
Tensile force within non-muscle tissue cells is generated in actomyosin stress fibers, which are composed of contractile units called sarcomeres. The number of sarcomeres and sarcomere lengths …
A Model for Fluctuating Torque on the Nucleus
In living cells, a fluctuating torque is exerted on the nuclear surface but the origin of the torque is unclear. In this study, we found that the nuclear rotation angle is directionally persistent on …
Raman Scattering from Individual Semiconductor Nanowires under Uniaxial Tensile Stress
04 Jan 2011 | Poster | Contributor(s): Humberto Rodriguez-Gutierrez
In this work the 1st order Raman scattering from individual, free-standing semiconductor GaP nanowires under uniaxial tensile stress was studied. For increasing stress, we observed a consistent shift …
Relationship between Dielectric Properties and Wear Processes in Nanocomposites: Detecting Wear-Related Damage in Joint Replacement Polymer Materials
04 Jan 2011 | Poster | Contributor(s): Weihong Zhong
We examined the correlation of wear effects with dielectric properties of carbon nanofibers (CNFs; untreated and organosilane-treated)-reinforced high-density polyethylene (HDPE) composites. Wear …
Bi-layer Thermoplastic Nanocomposites with high static dissipation efficiency
Generally, the effective static dissipation for electrostatic discharging (ESD) protection requires a surface conductivity of 1012-105Ω/Sq. As is well-known, except for properly doped …
Performance enhancement of UHMWPE-carbon nanofiber composites prepared by an optimized melt-mixing process
Ultra high molecular weight polyethylene (UHMWPE) is a high performance polymer with superior wear and toughness properties suitable material for a host of applications. In our study, we hoped to …
A Multilevel Component Mode Synthesis Approach for Quantum Mechanical Electrostatic Analysis of Nanoscale Devices
04 Jan 2011 | Poster | Contributor(s): hua li
Two component mode synthesis (CMS) approaches, namely, the fixed interface CMS approach and the free interface CMS approach, are presented and compared for efficient solution of 2-D …
Biomechanical Consequences of Spinal Ligament Microstructure
04 Jan 2011 | Poster | Contributor(s): Anton E Bowden
Spinal ligaments passively guide and stabilize the structures of the back through a large a complex range of motion. The collagen composite microstructure of these ligaments induces a nonlinear, …
Inelastic effects in natural and synthetic gecko adhesives
04 Jan 2011 | Poster | Contributor(s): Jonathan B Puthoff
Inelastic materials properties strongly influence the adhesive and frictional characteristics of conventional adhesives. Could these dissipative effects play a significant role in the operation of …