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Oscillate in Medical News

Too much calcium in blood may increase risk of fatal prostate cancer

...led muscular convulsions or contractions. Too much calcium, above 14 milligrams per deciliter, can cause a coma. "Your body obviously cannot afford to oscillate between convulsions and coma, so the range of serum calcium is tightly controlled." The upper third of NHANES-1 participants had high normal calciu...

UCLA researchers design nanomachine that kills cancer cells

... To achieve this, the UCLA researchers used mesoporous silica nanoparticles and coated the interiors of the pores with azobenzene, a chemical that can oscillate between two different conformations upon light exposure. Operation of the nanoimpeller was demonstrated using a variety of human cancer cells, includ...

New T-ray Source Could Improve Airport Security, Cancer Detection

...e able to stack approximately 1,000 of them on top of each other in order to generate a more powerful signal. However, even though each junction would oscillate with the same frequency, the researchers needed to find a way to make them all radiate in phase. "That's been the challenge all along," Welp said. "If...

Life Functions Governed by Circadian Rhythms-new Research

...constant state of dim light or darkness, the groups of genes that typically oscillate together -- such as genes responsible for the function of an organ or a spe...t and highly specific part of gene function. In addition, genes can oscillate with different amplitude -- the swing between the highest and the lowest po...

Slow brain waves integral in coordination of complex activity

...an coordinate activity. "If you are reading something, language areas oscillate in theta frequency allowing high-gamma-related neural activity in individua...tion," said Knight. "When you stop reading and begin to type, theta rhythms oscillate in motor structures, allowing you to plan and execute your motor response b...
Oscillate in Medical Products

DYONICS POWERMAX Shaver Handpiece

Description:...andpiece providing optimal power performance. Improved ergonomic design allows for easier handling and reduced hand fatigue. The forward/reverse and oscillate buttons as well as the suction lever are all co-located to allow easier accesss. The blade recognition feature saves valuable time. The DYONICS POWE...
Company:Smith & Nephew, Inc. - Orthopedics

Two Trigger Standard Handpiece

Features:... Two trigger operation for light and heavy duty operation Operates more than 18 different modular attachments Forward, reverse and oscillate drill modes One-hand mode control Software controlled...
Company:Linvatec Corporation (now ConMed)

Two Trigger Full Function Handpiece

Features:... Two trigger operation for light and heavy duty operation Operates more than 18 different modular attachments Forward, reverse and oscillate drill modes Screw and Tap Modes One-hand mode control...
Company:Linvatec Corporation (now ConMed)
Oscillate in Biological News

Noise And Delays Explain Why Some Genes Oscillate In Activity

If you snooze, you lose those uncomely grayish-brown crescents below your eyes. If you don't snooze, you lose a lot more. The body can't fight off infection, the muscles can't regenerate as quickly, the mind can't learn new words, and the eyes can't focus on the road. You also gain things: a bad mo...

Plant Min protein sits tight and rescues E. coli

...n though the dynamic MinE protein was absent. The Arabidopsis homologue AtMinD behaved differently from its E. coli counterpart in that it did not oscillate between poles, instead taking a stand at the pointed ends (puncta) of the poles of E. coli cells. The scientists went on to show that the rescue by ...

Shrimps see beyond the rainbow

... this yourself by looking at clear blue sky with polarising sunglasses. But polarisation is more subtle than this: the electric field of the light can oscillate back and forth in a line or around and around in a circle, or anywhere in between. The two scientists have shown that shrimp of the species Gonodac...

New technique captures chemical reactions in a single living cell at unprecedented resolution

...udy, with tiny particles of gold measuring 20-30 nanometers long. The electrons on the surface of metal particles such as gold and silver are known to oscillate at specific frequencies in response to light, a phenomenon known as plasmon resonance. The resonant frequencies of the gold nanoparticles are much eas...

Hidden interactions between predators and prey: evolution causes cryptic dynamics in ecology

... When the populations of two species oscillate together (for example, predators and prey), its a good bet that they are tightly coupled ecologically. A famous example is the Canadian lynx and snows...

Restoring sight, advances in fertility treatments and better visibility for pilots at FIO

...magnetic phenomenon like light itself, the plasmons are waves of electrons that move on the surface of a material like ripples on a pond, but they can oscillate back and forth at the frequency of the incoming light. Like water ripples on a pond surface, plasmons travel in the plane of the metal but with a wave...

Research finds that circadian rhythms dominate all life functions

...constant state of dim light or darkness, the groups of genes that typically oscillate together -- such as genes responsible for the function of an organ or a spe...tant and highly specific part of gene function. In addition, genes can oscillate with different amplitude -- the swing between the highest and the lowest po...

Theory of oscillations may explain biological mysteries

...e article, by John Vandermeer of the University of Michigan, shows how extensions of established theory suggest that many animal and plant populations oscillate in synchrony because of interactions such as predation and competition. Such synchronization can have far-reaching effects. Vandermeer suggests that s...

Slow brain waves play key role in coordinating complex activity

.... "If you are reading something, language areas oscillate in theta frequency allowing high-gamma-related neu... you stop reading and begin to type, theta rhythms oscillate in motor structures, allowing you to plan and exec...the same area. When two different brain areas then oscillate together at the same theta frequency and phase, it...

NHGRI expands effort to revolutionize sequencing technologies

...lecule using a type of silicon integrated circuit. The circuit incorporates a nanopore mechanism with a molecular trap that forces the DNA molecule to oscillate back and forth between electrodes, measuring the electrical signal associated with each specific base. Stephen W. Turner, Ph.D., Nanofluidics, Menl...
Oscillate in Biological Technology

Scientists moving closer to 'artificial noses'

...such systems to work has proven technically difficult; one problem being to produce and measure the oscillations. While the nanostrings can be made to oscillate by magnetomechanical, piezoelectric or electrothermal excitement, this only works if the nanostrings are made of metal, or are at least metal-coated, ...

Scientists discover 'dancing' algae

..."bound states"; the "waltz", in which the two colonies orbit around each other like a planet circling the sun, and the "minuet", in which the colonies oscillate back and forth as if held by an elastic band between them. The researchers have developed a mathematical analysis that shows these dancing patterns ...

New research expected to improve laser devices and make photovoltaics more efficient

... has been able to observe this effect. Slow electron cooling in nanocrystals occurs because forcing the electrons into a smaller volume leads them to oscillate between their alternate extremes within a very short period of time. (This is analogous to the way shorter strings on musical instruments produce high...

Denser, more powerful computer chips possible with plasmonic lenses that 'fly'

...to overcome the diffraction limit of light. They took advantage of a well-known property of metals: the presence at the surface of free electrons that oscillate when exposed to light. These oscillations, which absorb and generate light, are known as evanescent waves and are much smaller than the wavelength of ...

First tunable, 'noiseless' amplifier may boost quantum computing, communications

...ump tone at a particular frequency, like a skateboarder jumping at particular times to boost speed and height on a ramp, causes the microwave power to oscillate at twice the pump frequency. Only the portion of the signal which is synchronous with the pump is amplified. ...

Flexible nanoantenna arrays capture abundant solar energy

...needed before the nanoantennas can funnel their energy into usable electricity. The infrared rays create alternating currents in the nanoantennas that oscillate trillions of times per second, requiring a component called a rectifier to convert the alternating current to direct current. Today's rectifiers can't...

NIST develops test method for key micromechanical property

...ent for non-contact measurements of surface motion. In particular, measurements are obtained from resonating beamscomprised of the thin film layerthat oscillate out-of-plane. The frequency at which the maximum amplitude (or velocity) of vibration is achieved is a resonance frequency, which is used to calculate...
Oscillate in Biological Dictionary

Electromagnetic energy

...quitous phenomenon that takes the form of self-propagating waves in a vacuum or in matter. It consists of electric and magnetic field components which oscillate in phase perpendicular to each... The electromagnetic spectrum is the range of all possible frequencies of electromagnetic radiation. The " ...
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