Sentences with phrase «from mechanical forces»

Injuries to an infant that result from mechanical forces, such as compression or traction, during the birth process are categorized as birth trauma or birth injury.

This helps protect germs from mechanical forces.

New research led by Holton and colleagues at the UI posits that our chins don't come from mechanical forces such as chewing, but instead results from an evolutionary adaptation involving face size and shape — possibly linked to changes in hormone levels as we became more societally domesticated.

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 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.

Piezoelectric materials can generate electricity from a mechanical force; conversely, they also can generate a mechanical strain from an applied electrical field.

Not exact matches

After serving in the Air Force for three years, Berthold graduated from the University of New Mexico in 1985 with a degree in mechanical engineering and went to work in professional car racing.

This is certain, that it must proceed from a cause that penetrates to the very centres of the sun and planets, without suffering the least diminution of its force; that operates not according to the quantity of the surfaces of the particles upon which it acts (as mechanical causes use to do), but according to the quantity of the solid matter which they contain, and propagates its virtue on all sides to immense distances, decreasing always as the inverse square of the distances....

Engler's team, which includes bioengineering graduate student researchers Ludovic Vincent and Jessica Wen, found that the stem cell differentiation is a response to the mechanical deformation of the hydrogel from the force exerted by the cell.

«In a way, one must learn to see things from the molecules» point of view, considering forces such as random thermal motion that one would never consider when building an agricultural water pump or any other mechanical device.»

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.

The study examined the small - scale mechanical behaviour of teeth from limpets using atomic force microscopy, a method used to pull apart materials all the way down to the level of the atom.

But in examinations from periodic measurements of participants» heads from 3 years of age to more than 20 years old, the UI researchers found no evidence that these imperceptible mechanical forces led to new bone in the chin region.

«Why we have chins: Our chin comes from evolution, not mechanical forces.»

Using advanced facial and cranial biomechanical analyses with nearly 40 people whose measurements were plotted from toddlers to adults, the UI team concludes mechanical forces, including chewing, appear incapable of producing the resistance needed for new bone to be created in the lower mandible, or jaw area.

«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 steps capture the micelles for a chemical reason, not a mechanical one, and the resulting compression of the micelles by the steps then leads to forces that explain where the strength comes from,» said De Yoreo.

We get mechanical information from the AFM [atomic force microscope].

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.

What I love about them is that all of Spectrum Naturals ® Oils are expeller pressed which «is any sort of oil that has been extracted from nuts, seeds, or other sources through a mechanical process that relies on sheer force rather than chemicals.»

Improved rotary stability enhances the ability of the body to transfer force from lower to upper body in all the above movement patterns, increasing mechanical efficiency and reducing injury risk.

The difference can be as much as 2 centimeters, which is attributed to the fact that intervertebral disks get compressed and dehydrated during the day (because of the gravitational pull and mechanical forces from both movement and sitting).

Somewhat over-simplistic, but fairly popular mechanical «model» is that elevated blood pressure results from body's attempt to help the kidneys excrete the excess sodium by literally forcing it out through the capillaries.

Progress at a purely mechanical level is quite easy in Wick, and it often relies on jump scares and fear tactics to force mistakes from players.

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The pattern would respond to externally forced diurnal and seasonal and orbital - scale cycles with some lag time from thermal and mechanical and compositional, etc, inertia, but with a constant pattern of heat accumulation and depletion over each cycle.

The whooshing noise and vibration from the blades, they say, force them to close windows and blinds and use white noise to mask the mechanical sounds.

«Mechanical forces have been shown to impact cells a lot,» said Kimberly Turner from UC Santa Barbara.

«This project will enable precision measurements of the physical, chemical and biological changes that occur when cells are subjected to mechanical loading, ranging from small perturbations to high - force, high - speed impacts,» said Megan Valentine from UC Santa Barbara.

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.

Professional Duties & Responsibilities Biomedical and biotechnology engineer with background in design of biomaterials, biosensors, drug delivery devices, microfrabrication, and tissue engineering Working knowledge of direct cell writing and rapid prototyping Experience fabricating nanocomposite hydrogel scaffolds Proficient in material analysis, mechanical, biochemical, and morphological testing of synthetic and biological materials Extensive experience in bio-imaging processes and procedures Specialized in mammalian, microbial, and viral cell culture Working knowledge of lab techniques and instruments including electrophoresis, chromatography, microscopy, spectroscopy, PCR, Flow cytometery, protein assay, DNA isolation techniques, polymer synthesis and characterization, and synthetic fiber production Developed strong knowledge of FDA, GLP, GMP, GCP, and GDP regulatory requirements Created biocompatible photocurable hydrogels for cell immobilization Formulated cell friendly prepolymer formulation Performed surface modification of nano - particle fillers to enhance their biocompatibility Evaluated cell and biomaterial interaction, cell growth, and proliferation Designed bench - top experiments and protocols to simulate in vivo situations Designed hydrogel based microfluidic prototypes for cell entrapment and cell culture utilizing computer - aided robotic dispenser Determined various mechanical, morphological, and transport properties of photocured hydrogels using Instron, FTIR, EDX, X-ray diffraction, DSC, TGA, and DMA Assessed biocompatibility of hydrogels and physiology of entrapped cells Evaluated intracellular and extracellular reactions of entrapped cells on spatial and temporal scales using optical, confocal, fluorescence, atomic force, and scanning electron microscopies Designed various biochemical assays Developed thermosensitive PET membranes for transdermal drug delivery application using Gamma radiation induced graft co-polymerization of N - isopropyl acylamide and Acrylic acid Characterized grafted co-polymer using various polymer characterization techniques Manipulated lower critical solution temperature of grafted thermosensitive co-polymer Loaded antibiotic on grafted co-polymer and determined drug release profile with temperature Determined biomechanical and biochemical properties of biological gels isolated from marine organisms Analyzed morphological and mechanical properties of metal coated yarns using SEM and Instron Performed analytical work on pharmaceutical formulations using gas and high performance liquid chromatography Performed market research and analysis for medical textile company Developed and implement comprehensive marketing and sales campaign