Results 81 to 90 of about 167,930,433 (313)

Viscoelastic properties of MR shear thickening fluids

open access: yesJournal of Fluid Science and Technology, 2014
Magento-rheological Fluid (MRF) and Shear Thickening Fluid (STF) have separately attracted considerable interest due to their fast and reversible response to an external magnetic field or an abrupt shearing loading. In this paper we fabricated a combined
Weihua LI   +4 more
doaj   +1 more source

Organizing the interface—Plasma membrane architecture and receptor dynamics in virus‐cell interactions

open access: yesFEBS Letters, EarlyView.
Plasma membranes contain dynamic nanoscale domains that organize lipids and receptors. Because viruses operate at similar scales, this architecture shapes early infection steps, including attachment, receptor engagement, and entry. Using influenza A virus and HIV‐1 as examples, we highlight how receptor nanoclusters, multivalent glycan interactions ...
Jan Schlegel, Christian Sieben
wiley   +1 more source

Residual tail twisting in ascidian larvae is stabilized by asymmetric myofibrils that resist bilateral symmetry restoration

open access: yesFEBS Letters, EarlyView.
Ascidian Ciona larvae initially show strong clockwise tail twisting, which is largely corrected during development. However, a small residual twist remains. This study shows that organized helical myofibrils in tail muscles mechanically stabilize this residual asymmetry, preventing complete restoration of bilateral symmetry and revealing how embryos ...
Yuki S. Kogure   +3 more
wiley   +1 more source

Controlled Lagrangian and Hamiltonian Systems [PDF]

open access: yes, 2002
any control systems are mechanical systems. The unique feature of mechanical systems is the notion of energy, which gives much information on the stability of equilibria.
Chang, Dong Eui
core   +1 more source

Pose Synchronization for Quadrotor Networks under Fixed General Interconnection Topology: A Passivity Approach

open access: yesSICE Journal of Control, Measurement, and System Integration, 2018
In this paper, a distributed 3-D pose synchronization law is proposed for a group of networked quadrotors. The quadrotor network consisting of multiple quadrotors with dynamics and interconnection topology between them is first defined, and then, the ...
Tatsuya Ibuki   +3 more
doaj   +1 more source

Mechanical control systems on Lie algebroids

open access: yesIMA Journal of Mathematical Control and Information, 2004
29 pages, no figures.
Jorge Cortés 0001, Eduardo Martínez
openaire   +4 more sources

Biophysical approaches for studying viral entry

open access: yesFEBS Letters, EarlyView.
Viruses infect all living organisms and have been responsible for major epidemics and pandemics. Their ongoing evolutionary battle with host defenses creates a constant need for improved tools to study viral behavior. Advancing methods to probe viral attachment, fusion, and genome release deepen our understanding of how infections begin and support the
Inbar Yosibash, Raya Sorkin
wiley   +1 more source

Passivity-based control of mechanical systems

open access: yes, 2017
Stabilization of mechanical systems by shaping their energy function is a well-established technique whose roots date back to the work of Lagrange and Dirichlet.
Romero Velazquez, Jose Guadalupe   +6 more
core   +1 more source

Global feedforward control of spatio-temporal mechanical systems: with application to a prototype wafer stage [PDF]

open access: yes, 2017
High throughput requirements on high-precision manufacturing systems lead to a situation where the flexible dynamics hamper the performance at the positions of interest.
Aangenent, Wouter   +8 more
core   +2 more sources

Measurement of concentration distribution in endothelial surface layer using super resolution LIF technique

open access: yesNihon Kikai Gakkai ronbunshu, 2015
In order to investigate an effect of glycocalyx layer covering vascular endothelial cell surface on molecular transport, a super resolution LIF (Laser Induced Fluorescence) technique for concentration distributions measurement with high spatial ...
Katsuo MOGI   +3 more
doaj   +1 more source

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