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Glassy in Medical Dictionary

Testes

...cated in the scrotum. ... Note -size and shape of penis and testes . Note color and texture of scrotal sac. ... Testes should feel smooth and glassy in texture, note size (4 cm), shape, and ... ...
Glassy in Biological News

ASU professor helps solve mystery of glassy water

TEMPE, Ariz. -- Water has some amazing properties. It is the only natural substance found in all three states solid, liquid and gas within the range of natural Earth temperatures. Its solid form is less dense than its liquid form, which is why ice floats. It can absorb a great deal of heat witho...

Princeton geoscientist offers new evidence that meteorite did not wipe out dinosaurs

...t geological periods, living on top of the impact fallout from Chicxulub. The fallout from the asteroid that struck Chicxulub is visible as a layer of glassy beads of molten rock that rained down after the impact. If this impact caused the mass extinction, then the foraminifera above the impact glass beads ...

Story tips from the Department of Energy's Oak Ridge National Laboratory, September 2008

...ites from the Clovis-age Murray Springs in Arizona could cause them to rethink their position. "These micro-tektites contain iron oxide spherules in a glassy iron-silica or silica matrix, which is one indicator of a possible meteorite impact," said lead author Mostafa Fayek of the University of Manitoba in ...

Story tips from the Department of Energy's Oak Ridge National Laboratory, July 2008

...nverts a uranium-neptunium-plutonium nitric acid solution to a solid-oxide form. Traditionally, actinides taken out of a nitric acid solution are in a glassy structure that has to be processed with steps such as milling and grinding. The solid-oxide powder from the modified direct denitration process can go...

University of Chicago launches research program in catastrophic deformation

...y comes into play in materials, including ordinary window glass, which form glassy states. "One of the remarkable things that people see in glassy systems is that they often seem to have a memory," Zhang said. "There's a d...

Research team says extraterrestrial impact to blame for Ice Age extinctions

...hat some animals may have survived in protected niches. The black mat was formed by ponding of water and algal blooms and contains carbon, soot and glassy carbonremnants of burned materials. Some of these remnants are extraterrestrial in nature. For example, the research team has identified fullerenes, s...

Slow-frozen people? Latest research supports possibility of cyropreservation

...entists believed. "That HVW is not a new form of water (i.e., normal and glassy water are thermodynamically connected) may have some interesting practical ...in aqueous solution, [the] water component can be slowly supercooled to the glassy state and warmed back without the crystallization implies that, in principl...

Bone and cartilage growth to blame for heart valve disease

...f mechanisms of aortic and mitral valve disease using animal models and human studies. "I wanted to know why diseased valves had were hardened with a glassy whitish appearance ?totally different than healthy tissue, which indicated to me that the actual structure of the valves had changed," she says. Dr. R...

Zooming in on the protein-conducting channel

...he PCC-containing complex in water and then abruptly froze it in supercold liquid ethane. The rapid freezing imprisoned the complex in vitreous ice, a glassy non-crystalline form of ice, thus preserving its native structure. Using an electron microscope with a low-intensity beam to avoid damaging the molecu...

Technique may allow cancer patients to freeze eggs, preserving fertility before starting treatment

...s to be cooled fast enough that the transformation from liquid to solid is instantaneous. No ice crystals form and the consistency resembles a viscous glassy state. Research so far has used mouse oocytes but U-M expects to make the technology available in the clinic soon. "With traditional slow-freeze te...
Glassy in Biological Technology

Atomic force microscopy reveals liquids adjust viscosity when confined, shaken

...erties were the same as in a bottle of water. For silicone oil, a thickness of four nanometers was required before the properties were like those of a glassy material. We observed a nonlinear viscoelastic behavior remarkably similar to that widely observed in metastable complex fluids, such as gels or su...

Making a good impression: Nanoimprint lithography tests at NIST

...oscale copper wiring are required to connect the devices, and these wires must be separated by a highly efficient insulator. One candidate is a porous glassy material called SOG* that can be applied as a thin fluid film. When heated, SOG turns into a thin glass film laced with nanometer pores that enhance t...

UW paper in Science shows how some solids mimic liquids on nanoscale

...Their work, appearing in the Feb. 1 issue of the prestigious international journal of original research, is entitled Measuring the Surface Dynamics of glassy Polymers. Nanoscale technology involves techniques used to manipulate matter at the scale of atoms and molecules. A nanometre (nm) equals one billi...

Researchers develop darkest manmade material

...ctance remains constant. Its also interesting to note that the reflectance of our nanotube array is two orders of magnitude lower than that of the glassy carbon, which is remarkable because both samples are made up of the same element carbon, said Lin. This discovery could lead to applications in ar...

Diamond Film May Enable Critical New Sensors For Bioterror

...tually degrades. That was an obstacle to the merging of the microelectronic and biotechnology communities." Other materials such as gold, glass and glassy carbon proved either unstable or difficult to integrate with silicon. The biologically modified diamond films, on the other hand, have proved to be...
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