Quantum light beams good for fast technology

Australian and French scientists have made another breakthrough in the technology that will drive next generation computers and teleportation. The researchers have successfully superposed light beams, which produces a state that appears to be both on and off at once. Light beams that are s...

Obese Get Higher Doses of Radiation for X-Rays

...w high radiation doses must be to get effective X-rays for overweight and obese people, the researchers used computer simulations that delivered X-ray beams at various strength levels to so-called "phantom" patients representing five different fat tissue levels, from lean to obese. Different body areas, in...

Successful neurosurgery with transcranial MR-guided high-intensity focused ultrasound

...n diseases including brain tumors. The whole surgical procedure is planned and monitored in real time by magnetic resonance imaging (MRI). The HIFU beams produced by 1024 transducers are transferred through the intact skull of the patient into the brain and concentrated onto a focus of 3 to 4 millimeter...

'Navigaitor' Helps Patients Walk Again

...ract in real-life situations, the sooner the brain's circuitry rearranges and the healing process can begin." A 200-square-foot frame of steel beams defines the boundaries of the therapeutic space. The frame's dimensions can be tailored to different room sizes in hospitals, nursing homes and free ...

X-rays for early Alzheimer's disease detection

...a imaging power researchers crave. DEI, which makes use of extremely bright beams of x-rays available at synchrotron sources such as Brookhaven's National Sy...ing standard x-rays. In contrast to conventional sources, synchrotron x-ray beams are thousands of times more intense and extremely concentrated into a narro...

New Treatment Option at The Sarah Cannon Cancer Center Provides Hope for Inoperable Tumors

...on, detects any movement of the tumor or the patient, and automatically corrects radiation delivery. It then targets the tumor with multiple pin-point beams of high-energy radiation, destroying abnormal tissue. "If you've ever seen a snake charmer keep a cobra focused on his hand, you have an idea of...

Compact cancer-therapy particle-delivery system patented

... they travel through healthy tissue on the way to internal tumors, particle beams made of protons or charged ions, such as carbon, deposit most of their energy at the cancerous tumor. Thus, precisely aimed particle beams have more cancer-killing potential in fewer doses, and with less damage to ...

Cancer Patients in North Wales to Gain Access to Varian's RapidArc Radiotherapy Treatments

...ian technology." With RapidArc, Varian's Clinac accelerator can target beams at a tumor while continuously rotating around the patient, delivering a pre... radiographers because they target tumors using a complex sequence of fixed beams from multiple angles. Editorial contact: Neil Madle, Varian Medical S...

Ajou University Hospital Becomes First in Korea to Treat Using RapidArc(TM) Radiotherapy Technology from Varian Medical Systems

...conventional IMRT. With RapidArc, Varian's Clinac(R) accelerator can target beams at a tumor while continuously rotating around the patient. Conventional IMR...adiotherapists because they target tumors using a complex sequence of fixed beams from multiple angles. "RapidArc is a very effective way of delivering...

Stanford researchers harness nanoparticles to track cancer-cell changes

...e off not just single-wavelength fluorescent echoes but also more-complex fingerprints comprising wavelengths slightly different from the single-color beams that lasers emit. These patterns, or Raman signals, occur when energy levels of electrons are just barely modified by weak interactions among the cons...

Beams in Medical Technology

Winning the War on Cancer: The Critical Role of Radiation Oncology

...blic, physicians, and policymakers. For instance, radiation oncology often is confused with diagnostic radiology. That's because radiation treatment beams are invisible and painless, much like what a patient would experience with a diagnostic X-ray. However, while diagnostic X-rays use a low-dose of radi...

Seattle's Swedish Cancer Institute First in U.S. to Treat Cancer Patient with Elekta VMAT

...eatment times often mean improved comfort, which makes it easier to remain still during treatment and increases the likelihood of delivering radiation beams more accurately and safely. From the physician's perspective, the reduction in treatment time makes it much easier to accurately target the tumor and ...

Elekta's New Line of Stereotactic Treatment Solutions is Redefining Excellence in Stereotaxy, a Case at a Time

...ge of targets faster and more efficiently than ever before. The system's unique geometric and dosimetric design simultaneously administers hundreds of beams of low-intensity radiation that converge to deliver a single, therapeutic dose of radiation with pin-point accuracy to the most difficult targets; whi...

Beams in Medical Products

Ophthalmic Nd: YAG Laser YC-1800

Description:...achieves the same crisp and sharp intensity of 650nm or 670nm beam with half the power output. The YC-1800 has the ability to rotate the dual aiming beams 360 permitting work anywhere in the periphery without clipping the iris....
Company:NIDEK, Inc.

Bard Dulex® Mesh

Description:...Bard Dulex Mesh also features a unique inter-pore structure. Running through these pores are structures called fibrils. These fibrils act like support beams and allow tissue to grow in and around them. Finally, Bard Dulex Mesh is an overall stronger material than the Gore-Tex DualMesh Corduroy Biomaterial...
Company:Davol, Inc.

Standard Direct Ophthalmoscope

Features:... Positive maywheel lens control allows you to click through lens powers from +40D and -25D Two diagnostic beams - wide angle for general examination and macula for more detailed views Swing over Red Free Filter can be used with both apertures Integral soft...
Company:Keeler Instruments Inc.

Practitioner Direct Ophthalmoscope

Features:... Postive action maywheel lens control allows you to select +40D to -25D 6 beams for full diagnostic capability Swing over red free filter Blue filter to be used in combination with Fluorescein for assessing corneal scratches...
Company:Keeler Instruments Inc.

ALM X'Ten Major Surgical Light

Features:... Uniform light distribution: The large number of individual diverging light beams produces a homogeneous distribution of light and the column of light (31 in...w control: The cross-shaped lighthead can be positioned to direct the light beams around the surgeon's head, avoiding potential shadows. Easy-To-Position ...
Company:Getinge USA, Inc.

Laser-Flex® Tracheal Tube

Features:... Stainless steel body is airtight, flexible and laser-resistant. Reflected beams from the tube are defocused to reduce accidental laser strikes to healthy tissue. Smooth surface and Magill curve minimize trauma during intubation...
Company:Nellcor

RX600 Fracture Table

Features:...g table for orthopaedic and trauma surgery with integral double articulated beams complete with antistatic mattress Traction beams can be stowed beneath top when not in use, allowing table to be used for a ...
Company:Eschmann Equipment

Specialist Direct Ophthalmoscope

Features:...ates individual precision-ground glass lenses for superior optical clarity. Slim head design for easy and comfortable viewing of deep seated orbits. 6 beams for comprehensive diagnostic capability....
Company:Keeler Instruments Inc.

Beams in Medical Definition

Medicine

... and clinical psychology . Radiation therapy is concerned with the therapeutic use of ionizing radiation and high energy elementary particle beams in patient treatment. Radiology is concerned with the interpretation of imaging modalities including x-rays, ultrasound, radioisotopes, and MRI ...

Beams in Biological News

MIT sorts cells with beams of light

CAMBRIDGE, Mass. Separating out particular kinds of cells from a sample could become faster, cheaper and easier thanks to a new system developed by MIT researchers that involves levitating the cells with light. The system, which can sort up to 10,000 cells on a conventional glass microscope s...

Field of beams - Novel system uses polarized light pulses to reveal crop health

Mathematical models have become invaluable decision-making tools for public health officials. As demonstrated during the United Kingdom's foot-and-mouth epidemic of 2001, models can be useful in two ways: they can reveal the underlying characteristics of an infection and they can allow the comparis...

X-Ray Beams And Fruit Fly 'Flight Simulator' Aid Scientists' View Of Muscle Power

What is the connection between a fly’s aerodynamic skill and human heart function? Using the nation’s most brilliant X-rays, located at the Advanced Photon Source at the U.S. Department of Energy’s Argonne National Laboratory, a cardiac molecular motors expert from the University of Vermont (UVM) a...

Jet-propelled imaging for an ultrafast light source

...ocrystals weren't individual protein specimens, and while the 9.0.1's x-ray beams aren't as bright or as rapidly pulsed as SLAC's LCLS will be, the experimen...ssible to orient flying droplets by optical methods such as polarized laser beams or with specially shaped nozzles. Perhaps simpler is to use the ever-in...

Nonstick and laser-safe gold aids laser trapping of biomolecules

... 000 001 newtons. See JILA Finds Flaw in Model Describing DNA Elasticity NIST Tech Beat, Sept. 13, 2007.) Perkins and other biophysicists use laser beams to precisely manipulate, track and measure molecules like DNA, which typically have one end bonded to a surface and the other end attached to a micron...

Healing wounds with lasers, vehicles that drive themselves, other cutting-edge optics

...scope HEALING WITH LIGHT Star Trek scanners that fix injuries with beams of light may not be science fiction after all. A new optical technology tha...reaming from fusion targets at the collision point where the multiple laser beams of LLNL's National Ignition Facility (NIF) come together. The benefit of...

Researcher: Lasers used to detect melamine in baby formula

...Mauer obtained unadulterated samples of powdered formula and measured the samples using near- and mid-infrared spectroscopy techniques. Infrared laser beams reflected off the sample and toward a detector, which calculated how much of the laser's energy was absorbed by the sample and created an absorbance s...

Laughing hyenas, wailing levees, the sound of cheese and blaring bagpipes

...monitored to check the health of bolts in buildings, bridges, and tunnels. Guarino and his team work on a full-scale structural model made of steel beams and girders connected by bolts. They tap the structure with a hammer, causing it to vibrate. The sounds made by the vibrating bolts are recorded by an...

Two-day symposium in Baltimore to tackle the promises and perils of proton radiotherapy

...rgeting, causing unintended damage. The consequences of this damage and new schemes to avoid it will be considered. The process of creating proton beams also generates a large number of neutrons -- which may cause secondary cancers. Studies of survivors of the Hiroshima bomb, who received large doses o...

Straw bale house survives violent shaking at earthquake lab

...s affordable as possible so they build a safe home. We want to save lives." "Straw bale houses are used around the world, but those have posts and beams for support and rely on energy-intensive materials, skilled labor and complex machinery, making it unaffordable for the poor," Donovan said. "In our d...

Beams in Biological Technology

Cold atoms could replace hot gallium in focused ion beams

Scientists at the National Institute of Standards and Technology (NIST) have developed a radical new method of focusing a stream of ions into a point as small as one nanometer (one billionth of a meter).* Because of the versatility of their approachit can be used with a wide range of ions tailored...

Motorola's iRadio beams music through your cell phone

Watch out, iPod and Sirius Radio; here comes Motorola. The company introduced a way to listen to music from your personal collection or commercial-free Internet radio through your cell phone. You can play it on a variety of devices on your phone, in your car or on your home stereo and transition ...

Scientists discover repulsive side to light force

...m split a beam of infrared light into two separate beams and forced each one to travel a different length o...re, called a waveguide. As a result, the two light beams became out of phase with one another, creating a r...ronger the force. "We can control how the light beams interact," said Mo Li, a postdoctoral associate in...

A breakthrough toward industrial production of fluorescent nanodiamonds

...oparticles. It consists of irradiating substitutional nitrogen-containing diamond nanocrystals, produced by the diamond industry, with electron or ion beams to create vacancies in the crystal lattice. Isolated substitutional nitrogen atoms then trap a moving vacancy during annealing to form a fluorescent N...

Novel CU-Boulder technique shrinks size of nanotechnology circuitry

...ern, resulting in much smaller structures. The team used tightly focused beams of blue light to record lines and dots thousands of times smaller than the ...oject, McLeod and his team used a tabletop laser to project tightly focused beams of visible blue light onto liquid molecules known as monomers. A chemical ...

New organic material may speed Internet access

... the snowflakes covering the bricks when it is deposited into the slot, or gap, that separate silicon waveguides that control the propagation of light beams on an integrated optical circuit. Just as the snowflakes, being tiny and mobile, fill every empty space between the two bricks, Biaggio says, the ...

Leading Middle East Cancer Hospital Acquires Advanced Radiotherapy Capability from Varian Medical Systems

...tor around the patient. Varian's Clinac and Trilogy accelerators can target beams at a tumor while continuously rotating around the patient. Conventional IMR...treatments are slower for radiotherapists because they use many fixed angle beams rather than a continuous rotational beam. Part of the Hamad Medical ...

MIT uses nano-origami to build tiny electronic devices

...of helium ions onto the desired fold location. The beams imprint patterns that will cause the material to f...ld once it's removed from the surface. High-energy beams go to the bottom of the material and cause it to fold up; ions from low-energy beams accumulate at the top of the material and make it ...

Pioneering Cancer Center Introduces Advanced Varian RapidArc(TM) Treatments for Cancer Patients in Central Germany

...rc." With RapidArc, Varian's Clinac accelerator can target radiation beams at a tumor while continuously rotating around the patient. Conventional IMR... radiographers because they target tumors using a complex sequence of fixed beams from multiple angles. Editorial contact: Neil Madle, Varian Medica...

New sperm shaker to improve IVF success

...sider whether the sperm is healthy enough to be used to fertilise an egg as part of an IVF treatment. The sperm are captured in two highly focussed beams of laser light. Trapped in what are essentially 'optical tweezers', an individual sperm's DNA properties are identified by the pattern of the vibratio...

Beams in Biological Products

dotLab System, Single Pump from Axela Biosensors

Description:...fraction signal. The dotLab System uses the intensity of the diffraction signal to generate real-time binding curves. The illumination and detection beams never pass through the sample, which makes the dotLab System ideal for the detection of proteins in complex biological samples such as serum, plasma, ...
Company:Axela Biosensors

dotLab System, Dual Pump from Axela Biosensors

Description:...fraction signal. The dotLab System uses the intensity of the diffraction signal to generate real-time binding curves. The illumination and detection beams never pass through the sample, which makes the dotLab System ideal for the detection of proteins in complex biological samples such as serum, plasma, ...
Company:Axela Biosensors

Beams in Biological Dictionary

Negative interference

...tive effects of the interference on ORiNOCO ... does not resolve the negative effects of interference , you may need to (re-)consider ... The beams should extinguish each other - negative interference ? ... are dark and light bands corresponding to negative and positive interference . ... ...

Map Unit

...ome example dimensions in terms of Doom's map units are: ... Map unit . From Doom Wiki ... 24 = 16 units : small map details such as support beams and wall lamps ... Oregon Wildlife Management Unit Map ... Cost of the unit map is $5. ... The map includes a written description of each...