Sentences with phrase «mechanical properties in»

Cells in a tumor or tissue can change their own mechanical properties in often complex ways, using genetic programs and other feedback loops, and if jamming is to provide a solid conceptual foundation for aspects of cancer, it will need to account for this ability.
The ability to create objects that change shape in a controlled sequence over time is enabled by printing multiple materials with different dynamic mechanical properties in prescribed patterns throughout the 3 - D object.
Using ACME, the authors demonstrated that cells in the stems of seedlings exhibit a gradient of mechanical properties in the presence of the plant growth hormone gibberellic acid.
The possibility to activate multiple quantum - mechanical properties in one single material is of fundamental scientific interest but can also expand the spectrum of potential applications.

Not exact matches

While Wang has already developed self - healing versions of lithium - ion batteries, artificial muscles for use in the robotics industry, electronic skins and soon a touch panel, he notes that his polymer has limited mechanical properties, lacking the necessary strength and impact resistance required by most consumer devices.
«I was intrigued by the remarkable mechanical properties of these fibres spun by worms and spiders,» Kaplan says of what made him investigate silk in 1989.
You could have said that the effective mass was equal to the mechanical mass plus some sort of electromagnetic mass, which had the property of increasing with the velocity in the ratio of 1 divided by the square root of 1 - v2 / c2, because as the field gets stronger the whole system contracts.
Mind, which is deeply creative and new in its essential mode of operation, can not then be explained in terms of any mechanical abstraction of the properties of inanimate matter.
«Classical determinism» in terms of the mechanical predictability of more sophisticated stages and properties of evolution from less sophisticated stages was clearly rejected in favour of holistic «emergence».
When the microbes have done their work at the bio-refinery, Perfect Day's dairy proteins - which have the same organoleptic properties as their animal - based counterparts - are harvested via a mechanical process and can be used in everything from ice cream to fluid milk, protein powders and shakes, yogurt, pizza and any other product containing dairy proteins, said Pandya.
At points where material properties differs, mechanical stress occurs, which in turn will cause tearing and disruption of the material exposed to the shockwave.
Drivers include increasing demand for flexible packaging due to the growth in food & pharmaceuticals and superior mechanical strength, higher transparency, chemical resistance and excellent gas barrier properties.
Studying lactation with real mother - infant pairs presents two challenges: Visualizing the flow and tissue mechanics is either impossible or very difficult, and manipulating the mechanical properties of the maternal gland in a controlled way that gets at the factors significantly affecting infant feeding can not be done.
This is especially true in an evolutionary context, where there is a need to better understand how important the gland's anatomy and mechanical properties are to infant feeding and how, in turn, infant feeding controls lactation.
This property could eventually be put to work in microscopic mechanical systems.
ECM is the fibrous material between cells in tissues like skin, cartilage, or tendon that gives them their strength, stretchiness, squishiness, and other mechanical properties.
This somewhat surprising discovery enriches our fundamental knowledge of the atomic - level segregation structures at general grain boundaries, which are important in controlling a broad range of mechanical and physical properties of polycrystalline alloys.
In the case of the soft, brain - like surface, the Wisconsin researchers believe that the mechanical properties of a surface are influencing a protein called YAP.
Engineers from the University of Luxembourg are working together with scientists from the WSL Institute for Snow and Avalanche Research SLF in Switzerland to better analyse mechanical properties of snow.
Because piglet skulls have similar mechanical properties as infant human skulls — meaning they bend and break in similar ways — Haut and Fenton used the already deceased specimens in their research and found they were able to classify the different fracture patterns with a high degree of accuracy.
In this paper, we propose a new way to describe the mechanical properties of Earth's lithosphere.»
Suture zones are complex and more heterogeneous than the rest of the ice shelf, containing ice with different properties and mechanical strengths, and therefore play an important role in controlling the rate at which rifts grow.
The feat opens up new possibilities in silicon carbide because its nanoscale defects are a leading platform for new technologies that seek to use quantum mechanical properties for quantum information processing, sensing magnetic and electric fields and temperature with nanoscale resolution, and secure communications using light.
An interdisciplinary scientist is needed to demonstrate how the mechanical properties of the culture system alter signaling in the cells.
This sets the stage for a complex interchange between light, heat and mechanical vibrations in the PMO, endowing the system with several key properties.
In particular, mechanical superimposition of the 2D crystals generates 2D periodic potentials which impart to system unconventional physical and chemical properties.
At the point where this powerful jet strikes the bubble wall, it «fractures» the liquid, releasing energy in the form of light, says Andrea Prosperetti, an internationally respected expert on the mechanical properties of bubbles.
Materials in high - performance turbines have to withstand not only powerful mechanical forces, they also have to maintain their chemical and mechanical properties almost up to their melting points.
«Our results introduce a new framework to explore the mechanical properties of active fluids and suggest that partially ordered active matter can be guided and controlled via gradients in the intrinsic geometry of the underlying substrate,» the authors wrote in a summary of their paper.
His group has found that they can tune these hydrogels to have the chemical, biological, mechanical and electrical properties they want for the regeneration of various tissues in the body.
This process removes anything that might cause an immune response in the recipient animals, while keeping all the connective tissue — or extracellular matrix — which gives tissues their structure and mechanical properties.
The result, published in Scientific Reports, was a product with comparable or better magnetic, mechanical, and microstructural properties than bonded magnets made using traditional injection molding with the same composition.
From an engineering standpoint, the prepubescent body has different mechanical properties, so one goal of the consortium is to make anthropomorphic details in the model account for kid - sized bodies, as well as other variations in sex and age.
High - pressure x-ray diffraction experiments at ALS beamline 12.2.2 measured its mechanical properties and, for the first time, clarified the role of aluminum in its crystal lattice.
The group has leveraged expertise in polymer chemistry, polymer physics, chemical engineering and materials science to manipulate the phase behavior, thermal transitions and mechanical and transport properties of block polymers to optimize materials design.
But the cells also changed shape and other properties in the absence of the protein in ways that reduced the likelihood that they would travel away from the tumor — a sign that myoferlin not only changes genes in cancer cells, but also alters the cells» mechanical properties.
The research suggests that reducing production of the protein, called myoferlin, affects cancer cells in two primary ways: by changing the activation of many genes involved in metastasis in favor of normal cell behavior, and by altering mechanical properties of cancer cells — including their shape and ability to invade — so they are more likely to remain nested together rather than breaking away to travel to other tissues.
Published by the Condensed Matter research group at the Nordic Institute for Theoretical Physics (NORDITA) at KTH Royal Institute of Technology in Sweden, the Organic Materials Database is intended as a data mining resource for research into the electric and magnetic properties of crystals, which are primarily defined by their electronic band structure — an energy spectrum of electrons motion which stem from their quantum - mechanical properties.
The very next day, mechanical engineers here explained one reason why: Ears are self - cleaning, thanks to fluid properties in the wax.
The researchers also discovered an essential role for the mechanical properties, i.e. the physical stiffness, of the gel in regulating intestinal stem cell behavior, shedding light on how cells are able to sense, process and respond to physical stimuli.
To produce a medical implant, we need to select materials with similar mechanical properties to those in biological tissues, so as to mitigate inflammation or necrosis.
The researchers have therefore succeeded in encoding in a unique synthetic polymer both mechanical properties (flexibility, strain profile) and optical properties, which had never previously been achieved.
A good example in nature is nacre, which is 95 percent inorganic aragonite and 5 percent crystalline polymer (chitin); its hierarchical nanoparticle ordering — a mixture of intercalated brittle platelets and thin layers of elastic biopolymers — strongly improves its mechanical properties.
«Our technique may improve the mechanical and potentially other physical properties of commercially relevant plastic materials, with applications in automobiles, protective coatings, and food / beverage packaging, things we use every day.
In his 1905 PhD thesis, Albert Einstein derived a formula, known as the Stokes - Einstein equation, that makes it possible to calculate a material's mechanical properties by observing and measuring the movement of particles in that materiaIn his 1905 PhD thesis, Albert Einstein derived a formula, known as the Stokes - Einstein equation, that makes it possible to calculate a material's mechanical properties by observing and measuring the movement of particles in that materiain that material.
In recent years, carbon nanotubes have emerged as a promising material of electron field emitters, owing to their nano - scale needle shape and extraordinary properties of chemical stability, thermal conductivity and mechanical strength.
This year it is held in Sweden with focus on electronic applications of the two - dimensional material with the extraordinary electrical, optical, mechanical and thermal properties that make it a more efficient choice than silicon in electronic applications.
Next generation electronics and quantum computers rely on materials that exhibit quantum - mechanical phenomena and related properties, which can be controlled by external stimuli, e.g. by a battery in a microelectronic circuit.
«Harmonizing multiple quantum mechanical properties which often do not coexist together and trying to do it by design is highly complex,» states Professor Rondinelli.The application of an electric field to the oxide Ag2BiO3 changes the atomic positions and determines whether the spins are coupled in pairs (forming so - called Weyl - fermions) or separated (Rashba - splitting), and whether the material is electrically conductive or not.
This osteocyte lacuno - canalicular network (OLCN) is believed to play important roles in sensing and maintaining the bone's constant internal environment, and for the mechanical properties of bone.
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