Sentences with phrase «mechanical force isao»

A traumatic brain injury is when the brain is damaged by an external mechanical force, like the type you may have in a car accident, if you fall, play sport or if you are assaulted.
Traumatic Brain Injury or TBI is defined by Emedicine (http://emedicine.medscape.com/article/326510-overview) as; «An insult to the brain from an external mechanical force which may result in temporary or permanent damage to the physical, psychosocial and / or cognitive functions of the brain.
It's not just condensation that might cause this; if it's the alternator belt, increased mechanical force required to turn the alternator when the battery is at ~ 13v (after sitting overnight) rather than ~ 14v (after recently running) will affect slippage.
In the next leg of the plot, Joshua Joyce (Stanley Tucci) and his company KSI are reverse engineering the Transformers, trying to create his own mechanical force.
«Physiotherapy, also known as Physical therapy, helps to restore movement and function by using mechanical force and movements, Manual therapy, exercise therapy, electrotherapy and various physical therapies.
The researchers proposed that the roaches owe their ability to make this 90 ° move to their small size and hardy exoskeleton, calculating that critters under 1 kg can rely on brute mechanical force to flip themselves from floor to wall.
For example, electromechanical devices, e.g., micro actuators, microelectromechanical devices, or piezoelectronics, could have movable physical components that move up and down when stimulated by a mechanical force or an electrical or magnetic signal, thereby moving the overlying surface.
Such techniques are ideal for studying piezoelectric materials, which convert electricity into mechanical force.
This structure could represent a stretch activated state of TREK - 2, where mechanical force applied to the lipid membrane leads to an upward movement in transmembrane helices M2 - M4 into this up conformation.
\ n \ n «It?s still not clear how the cells sense shear stress, and researchers are trying to unravel the chain of events between mechanical force and stem cell production in order to manipulate the process to make blood stem cells for transplant.»
In proposals to develop APM, this problem will be solved by guided molecular trajectories and positionally - controlled mechanosynthesis: reactive molecular fragments will be guided by molecular machine systems to a specific position and geometric orientation with respect to the growing atomically precise work piece so that the application of mechanical force will cause the desired bond to form.
«Using the tip of an atomic force microscope (AFM), we have found that the mechanical force required to break the bond between fibrinogen and erythrocytes is higher in patients with chronic heart failure than in healthy subjects,» explains team leader Nuno C Santos from iMM and the Faculty of Medicine at the University of Lisbon.
The AMBER package provides a set of molecular mechanical force fields for the simulation of biomolecules and a package of molecular simulation programs.
They are polymodal ion channels that are subjected to extensive regulation by a diverse set of physical (pH, temperature, mechanical force) and biological signals (lipids, G - protein coupled receptor pathways).
Instead of using uncontrolled mechanical force, this new insulated transseptal needle has a closed end that safely delivers radiofrequency energy to create a small hole in the atrial septum, allowing the needle to pass to the left atrium with increased efficacy and control.
This indicates that microgravity's effect on bone density likely involves changes in mechanical force that lowers overall physical activity and therefore causes osteoclast activation
FAK activation requires calcium ions, certain lipids (PIP2), and external mechanical force.
Hair cells in the cochlea use this gradient to convert the mechanical force of the vibrating eardrum into electrical signals that the brain can understand.
I focused on an interplay between mechanical force, calcium ions, the clustering of PIP2 lipids in the membrane, PIP2 - FAK interactions, and FAK activation.
Being able to literally pull apart these triazoles into their constituent precursors and then unlock their chemical reactivity in new ways is now possible with the assistance of mechanical force,» he says.»
The differential outcomes could be attributable to the greater intensity and duration of the WBV protocol used by Jing et al. (44); specifically, this report applied comparable mechanical force (0.5 g) at slightly higher frequency (45 Hz, as opposed to 32 Hz in the current study).
In fact, despite having placed the device under extreme abusive mechanical force, such as running a car tyre over it, the electrical output was highly uniformed and there was no damage to the functionality of the device.
Other ion channels respond to mechanical force.
The pattern generates a small but potent amount of mechanical force that shows cells where to line up.
Piezoelectric materials can generate electricity from a mechanical force; conversely, they also can generate a mechanical strain from an applied electrical field.
This mechanical force can serve as a form of «memory» that stores information about the layout of animal bodies.
When a mechanical force is applied, the ions diffuse across the membrane, creating a continuous direct current.
He has demonstrated, for example, that exerting a mechanical force on a cell can activate cell signaling.
This fact, along with the computer simulation, suggests that the mechanical force provided by actin can restructure CPEB into a longer fiber with new hydrogen bonds between the coils.
As in the case of motor vehicle engines, they transform thermal energy into mechanical force, and our modern lifestyle would be impossible without them.
«The electrical signal is thus not based on an electric current but is caused by a mechanical force,» points out Thomas Heimburg.
In 2014, Gu's research team overturned the common assumption that transduction from the mechanical force takes place at the endings of the sensory nerves in Merkel discs.
Until recently, it was unclear how the physical pressure of a light touch gets transduced from a mechanical force to an electrical nerve signal in Merkel discs.
In experiments with muscle cells from the lining of blood vessels, the researchers found that a sudden mechanical force flips a genetic switch in these cells, making them more likely to contract.
A series of biochemical experiments found that the mechanical force disrupted proteins called integrins that help anchor cells to the scaffold of protein that surrounds them.
But if mechanical force is applied to move one electrode, the change lowers the surface area where the two electrodes interact.
The team also demonstrated for the first time that if the electrostatic actuator delivers a small mechanical force to the PMO that varies in time while the system undergoes these self - sustaining oscillations, the PMO can lock onto that tiny variable signal and greatly amplify it.
Vanquished today by mechanical force, in the future we will be able to overcome by a superior mechanical force.
It is a mechanical force.
Certainly it is true that the more a mechanical force acts on a thing in a purely mechanical way, the more the autonomy of the thing is diminished.
When Enlightenment thinkers decided that the whole of nature operates in terms of mechanical forces, they concluded that the apparent difference between organisms and mechanisms is only apparent.
The behavior of the clock is to be explained in detail by the mechanical forces operating among its parts.
The car was basically controlled by physical and mechanical forces.
In every sphere, physical no less than intellectual and moral, and whether it be a question of flowing water, a traveler on a journey, or a thinker or mystic engaged in the pursuit of truth, there inevitably comes a point in time and place when the necessity presents itself, to mechanical forces, or to our freedom of choice, of deciding once and for all which of two paths is the one to take.
There are some, he tells us, who argue that the causes of his actions are the mechanical forces on his bones and muscles and sinews.
Mechanical forces during intra-uterine life and during birth may negatively affect the oral - motor function of the newborn.
They did so by including factors like the mechanical forces acting on the cells and the tumor's cellular heterogeneity.
By fiddling with the cytoskeletons of real - life hydras, researchers found that the pond polyps rely on mechanical forces as well as molecular cues to regenerate head and tentacles in the right places (SN: 3/4/17, p. 19).
Donald Ingber, M.D., Ph.D., Founding Director of the Wyss Institute at Harvard University, started investigating this «architecture of life» over thirty - five years ago, and discovered that Nature uses an architectural principle known as «tensegrity» (short for «tensional integrity») to stabilize the shapes of living cells and to determine how they respond to mechanical forces.
Bioengineer David Kaplan at Tufts University's Department of Biomedical Engineering, who had no role in these findings, calls the work «fantastic» and adds future research might want the bioreactor to mimic the same range of mechanical forces this bone will see if implanted — for instance, for the jaw joint, «you'd want it to experience compression and torsion.»
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