Tungsten

Abbott Launches VOYAGER(TM) NC Coronary Balloon Catheter

... A specialized tip with a smooth, rounded shape designed to deflect off stent struts and enhance balloon delivery through stents. Flexible tungsten markers designed to help physicians navigate through arteries and properly position the balloon within a treatment area. Bi-layer balloon mate...

MEDRAD Sponsors PET Research with University of Zurich

...d an optional weight-based dose calculation, allow the healthcare provider to more precisely customize each patient's dose. Safety features include a tungsten multi-dose vial shield, a fully lead-lined mobile cart, and an automated saline flush to remove residual FDG from the line after each infusion. "...

Siemens Provides Breast Care Solutions - For Women. For Health. For Life.

...dual anode technology. This tube offers three anode/filter combinations to perfectly match breast density and thickness - Mo/Mo, Mo/Rh, and W/Rh. With tungsten technology and high mA output, even dense breasts are examined with shorter exposure times and significantly reduced dose. MAMMOMAT Novatio...

Ortho Organizers(R) Introduces New Premium Product Line - O2 Select(TM) Orthodontic Instruments

...ilizing the very best material on the market, high-quality surgical-grade German steel forgings with tungsten carbide inserts. Rust and corrosion free tungsten carbide offers superior edge strength for cutting and wire forming efficiency, combined with a remarkably long life. The entire product line of O2 Sel...

Story tips from the Department of Energy's Oak Ridge National Laboratory, Nov. 2007

...s first being made available to muzzle-loading hunters as part of a high performance system sold by MDM in Vermont. The bullets compositionmixtures of tungsten and other metals or alloysmake them ideal for high performance hunting and target applications. The products will also help answer demand for greener ...

Tungsten in Medical Products

Lorenz LT2 Wire Twister - Tungsten Carbide

Description: Tungsten Carbide wire twister....
Company:Lorenz Surgical (A Biomet Company)

Avci Foreign Body Forceps 20 gauge / 0.9 mm

Description:... Blunt tipped forceps with tungsten carbide treated jaws for enhanced gripping and removal of small sized foreign bodies....
Company:Dutch Ophthalmic, USA

Avci Foreign Body Forceps 17 gauge / 1.5 mm

Description:... Blunt tipped forceps with tungsten carbide treated jaws for enhanced gripping and removal of large sized foreign bodies....
Company:Dutch Ophthalmic, USA

C-Max™ Cutting Loop Electrodes

Description:...de; Cutting Loop is designed to resect tissue and provide a smooth tissue cut. The cutting loops are made to meet or exceed any industry standard. The tungsten wire-cutting loop is hand formed and assembled in a controlled manufacturing process. These electrodes are made to exacting specifications, to ensure ...
Company:C. R. Bard, Inc.

Cutting Burr with Dental Shank

Description:... Cutting Burr with dental shank, tungsten carbide, 0,7 mm, ISO-No. 007, packing unit 10 pieces....
Company:Medicon eG

Squares Electrodes

Description:... All Bovie LLETZ Loop and Square electrodes feature tungsten wire for superior shape and integrity throughout the excision procedure. They use a standard 3/32" (2.3 mm) shaft....
Company:Bovie Aaron Medical

Tungsten Micro Needles

Description:... Disposable 1 1/4" tungsten Micro Needle, Ins., Straight...
Company:Kirwan Surgical Products

Loop Electrodes

Description:... All Bovie LLETZ Loop and Square electrodes feature tungsten wire for superior shape and integrity throughout the excision procedure. They use a standard 3/32" (2.3 mm) shaft. All molded loops are packaged in a ...
Company:Bovie Aaron Medical

Agerbrush Rust Ring Remover

Description:... Battery operated single speed motorized handpiece, tip cover, supplied with 0.5 mm tungsten burr (E0815 0.5) and one battery size "AA"....
Company:Bausch & Lomb Storz

Medtronic Hall™ Mechanical Heart Valve

Features:...rolytic carbon works well with titanium. The Medtronic Hall valve disc substrate is tungsten-impregnated graphite with a pyrolytic carbon coating. The tungsten renders the disc radiopaque, enabling X-ray imaging of disc function. The round, flat disc is designed to maximize flow characteristics by introducing...
Company:Medtronic Inc.

Tungsten in Medical Definition

Nuclear medicine

...ier tubes and associated electronics. Solid-state gamma-ray detectors are available [1] , but are not yet commonplace. Gamma-cameras employ lead or tungsten collimators to form an image on the crystal, accepting photons arriving perpendicular to the camera face, and rejecting off-axis photons which would...

Tungsten in Medical Dictionary

Mallory

... child care, pet care, senior care, tutoring, housekeeping and concierge in Mallory , West Virginia Manufactures and supplies silver, copper, and tungsten based alloys, with a focus on engineering materials, metal-joining products, and electrical contacts. To this day no one knows what happened to Ge...

Cobalt

...g nickel History, sources, ... Cobalt occurs in the minerals cobaltite, smaltite, and ... Stellite alloys, containing cobalt , chromium , and tungsten , ... Get the latest specifications and information on the 2009 Chevrolet Cobalt - The smart car buyer's source for vehicle information and rati...

Tungsten in Biological News

Uniform tungsten trimers stand and deliver

Like tiny nano-soldiers on parade, the cyclic tungsten trioxide clusters line up molecule-by-molecule on the titanium dioxide platform. One tungsten atom from each cluster is raised slightly, holding forth the potential to execute catalytic reactions. The nanostructures constitute a new model sy...

Flexible solar strips light up campus bus shelter

...ent, multi-LED, light fixtures. Each light fixture uses only 600 milliwatts of power and produces about the same light output as a three watt regular tungsten bulb or what a small night light would use. The lights are bright enough for easy reading. The solar cells capture sunlight during the day and con...

American Chemical Society's weekly PressPac -- Jan. 14, 2009

...rising new health and environmental concerns about tungsten Chemical & Engineering News Surprising new ... the potential health and environmental hazards of tungsten a metal used in products ranging from bullets to ...etkewich notes that scientists have long held that tungsten is relatively insoluble in water and nontoxic. As ...

NIST chemists get scoop on crude 'oil' from pig manure

... as pollution in vehicle exhaust, and lots of char waste containing heavy metals, including iron, zinc, silver, cobalt, chromium, lanthanum, scandium, tungsten and minute amounts of gold and hafnium. Whatever the pigs eat, from dirt to nutritional supplements, ends up in the oil. While the thick black liqu...

Building blocks of life

...d 12m in diameter and its walls are 4m thick and encased in a further metre of concrete. 6,500 tonnes of steel are needed as radiation shielding for a tungsten target no bigger than a packet of digestive biscuits. The target will be struck by an 800 MeV proton beam this creates neutrons for use in one o...

Tungsten in Biological Technology

Regular light bulbs made super-efficient with ultra-fast laser

...micro-scale structures on the surface of a regular tungsten filamentthe tiny wire inside a light bulband theses structures make the tungsten become far more effective at radiating light. Th... change the amount of each wavelength of light the tungsten filament radiates. Though Guo cannot yet make a si...

Nanocoatings boost industrial energy efficiency

...scientist Alan Constant, the team is using a technique called pulsed laser deposition to deposit a thin layer of the alloy on hydraulic pump vanes and tungsten carbide cutting tools. Cook is working with Eaton Corporation, a leading manufacturer of fluid power equipment, using another, more commercial-scale t...

MEDRAD Installs First Intego(TM) PET Infusion System

...tone, MEDRAD has partnered with IBA Molecular which will supply UPMC with Fluorodeoxyglucose (FDG) in a multi-dose vial housed in a specially-designed tungsten vial shield. Use of this innovative system minimizes the need to manually prepare and handle individual FDG doses, significantly reducing potential ra...

MEDRAD Receives FDA 510(k) Clearance for FDG Infusion System

...nd an optional weight-based dose calculation, allow the healthcare provider to more precisely customize each patient's dose. Safety features include a tungsten multi-dose vial shield, a fully lead-lined mobile cart, and an automated saline flush to remove residual FDG from the line after each infusion. "MED...

Heavier hydrogen on the atomic scale reduces friction

..., Sumant developed a system for depositing diamond thin films. The technique, called hot filament chemical vapor deposition, involves the heating of a tungsten filament (like those found in incandescent light bulbs) to over 2000 degrees Celsius. If the diamond film is exposed to a flow of molecular hydrog...

World's smallest radio fits in the palm of the hand...of an ant

...ingle carbon fiber a few hundred nanometers (billionths of a meter) long, and only a few molecules thick, stands glued to a negatively charged base of tungsten that acts as a cathode. Roughly one millionth of a meter directly across from the base lies a positively charged piece of copper that acts as an anode...

Choice Comes To PDAs

...olled out additions to its differentiated Zire and tungsten lines. If those products were tempting - and they...r-end tax write-off, if nothing else). The Palm tungsten T3 tucks in nicely in the center of the enterprise-focused tungsten line. With its beautiful high-resolution color dis...

The Palm to "de-Zire"

... the consumer handheld market - a fuzzy line where more multimedia and storage capabilities bump up against the "enterprise-class" capabilities of the tungsten line. The Zire 72, priced at $299, is an outstanding new device, and the one that will win my heart and wallet. From the moment you pick up this s...

A new wide field-of-view confocal imaging system and its applications in drug discovery and pathology

...on the absorption of the illumination light by structures in the specimen. In a conventional widefield microscope, the commonly used light sources are tungsten filament lamps with a continuum of blackbody radiation, or xenon arc lamps with a continuum between 300 and 800 nm. 21 However, in the brightfield de...

Transformation of Filamentous Fungi by Microprojectile Bombardment

... hours. Each plate was bombarded twice. tungsten particles (M5, M10, or M17 particles, Bio-Rad Labo... to a 1.5 ml microcentrifuge tube: 25 l tungsten particle suspension (1.5 mg in 50% glycerol), 5 l ...bated on ice for 10 min. The DNA-coated tungsten particles were then pelleted in a micro...

Tungsten in Biological Products

ULTROSPEC 6300 from GE Healthcare, formerly Amersham Biosciences

Description:...e to be used for rapid, discrete measurements. *Bandwidth of 1.0 nm and excellent scanning capability. *Press to read high performance deuterium and tungsten lamps for reduced cost of ownership. *Built-in applications software with capability for 50 stored methods. *Includes cDNA application software for ...
Company:GE Healthcare, formerly Amersham Biosciences

Hepta Adaptor for PDS-1000 He System from Bio-Rad

Description:... shocking chamber of the PDS-1000 He system, where it splits the helium shock wave over 7 microcarriers. By uniformly spreading the DNA-coated gold or tungsten particles over this larger area, the system maximizes the number of cells transformed during one bombardment. The system is ideal for plants and cell ...
Company:Bio-Rad

PDS-1000 He System from Bio-Rad

Description:... The biolistic PDS-1000 He system uses a burst of high-pressure helium gas to accelerate micron-size nucleic acid-coated gold or tungsten microparticles to velocities necessary to transfect cells, tissues, or organelles without dependence or interaction with the cell surface. The system ...
Company:Bio-Rad

DH-2000-DUV with integrated shutter and external TTL control from Ocean Optics

Description:...gnal or switch up to 5 Hz) The DH-2000 Deuterium tungsten Halogen Light Source combines the continuous spectrum of deuterium and tungsten halogen light sources in a single optical path. Th... balance the light level between the deuterium and tungsten halogen light sources. This potentiometer allows y...
Company:Ocean Optics

DH-2000-DUV with integrated shutter from Ocean Optics

Description:...gnal or switch up to 5 Hz) The DH-2000 Deuterium tungsten Halogen Light Source combines the continuous spectrum of deuterium and tungsten halogen light sources in a single optical path. Th... balance the light level between the deuterium and tungsten halogen light sources. This potentiometer allows y...
Company:Ocean Optics

DH-2000 with integrated shutter from Ocean Optics

Description:...nal or switch up to 5 Hz) The DH-2000 Deuterium tungsten Halogen Light Source combines the continuous spectrum of deuterium and tungsten halogen light sources in a single optical path. Th... balance the light level between the deuterium and tungsten halogen light sources. This potentiometer allows y...
Company:Ocean Optics

Tungsten in Biological Definition

Bacterium

...um , manganese , iron , zinc , cobalt , copper and nickel for normal growth. For some species, additional trace elements such as selenium , tungsten , vanadium or boron are needed. Based on their response to oxygen, most bacteria can be placed into one of three groups: Some bacteria can grow ...

Bacterium

...um , manganese , iron , zinc , cobalt , copper and nickel for normal growth. For some species, additional trace elements such as selenium , tungsten , vanadium or boron are needed. Based on their response to oxygen, most bacteria can be placed into one of three groups: Some bacteria can grow ...

Tungsten in Biological Dictionary

Parasite

... of defense mechanisms of ... The parasite causes harm to the host in many ways, such as by depriving the host ... Parasite Weights line of tungsten weights, clips, swimbait weights and standup jigs cover all your terminal fishing tackle needs. ...

Neural plate

... ... Rearrangement of neural plate cells drives mediolateral narrowing and ... Neural plate regions were cut from chick embryos with fine tungsten needles and ... It inhibits ectoderm from differentiating to neural plate tissue. ... Under these conditions, the neural plate develops ...