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Brightness in Medical News

Changes in Solar Brightness Too Weak to Explain Global Warming

Changes in the Sun's brightness over the past millennium have had only a small effect on Earth's climate, according to a review of existing results and new calculations// performed by researchers in the United States, Switzerland, and Germany. The review, led by Peter Foukal (Heliophysics, Inc...

A 'light bulb' moment for people with dementia

...r of decades it has been known that light affects how people feel. Those particularly sensitive to changes in light have benefited from a boost in the brightness of light sources. The new lighting used in the test changes the color without overpowering individuals with brightness, according to the researchers. ...

Dr. Simon Ourian, Pioneer Laser Surgeon, Appears on The Doctors TV Show

...et are created by the flexion of the orbicularis oculi muscle, a circular, sphincter-like muscle surrounding the eye. The muscle protects the eye from brightness and physical contact. For example, we squint to protect our eyes when it's sunny out, or when we face high winds. While home remedies including t...

Researchers create smaller, brighter probe tailored for molecular imaging and tumor targeting

...ently excreted by the kidneys. Researchers were also able to increase their brightness by 300 percent, enabling cancer cells to be tracked for longer periods of t...rst generation nanoparticles, called quantum dots (Q dots), offer excellent brightness and provide good contrast during imaging, but their clinical potential is l...

Immunology Center will continue to drive standard methods, better science

... and to build accurate immune cell models. Thirdly, the team will seek to design better "gating" procedures. Flow cytometry separates cell types by brightness into groups, and gating is the process by which researchers select which cells go into each group. The current process in many labs is arbitrary, tedi...

December 2008 Mayo Clinic Health Letter Highlights: Colorectal Screenings, Lighting Tips for Low Vision and Generic Medications

...e of Mayo Clinic Health Letter offers tips to help compensate for low vision: Around the house: Reduce differences in brightness -- Equalize indoor and outdoor light sources by leaving some house lights on during bright sunny days. Reduce glare -- Cover shiny surfaces, s...

Stiefel Laboratories Announces the Expansion of Its REVALESKIN(R) Skin Care Line With Three New Products

...ream and at night under REVALESKIN(R) Night Cream, REVALESKIN(R) Replenishing Eye Therapy protects the delicate eye area and improves skin elasticity, brightness and firmness. In a recent clinical study conducted by New York City dermatologist Suzanne Friedler, M.D., F.A.A.D., of Advanced Dermatology ...

Psychological study reveals that red enhances men's attraction to women

...ents contrasted red with gray, green, or blue. When using chromatic colors like green and blue, the colors were precisely equated in saturation and brightness levels, explained Niesta. "That way the test results could not be attributed to differences other than hue." In the final study, the shirt of the w...

Cancer research highlights

...f chemotherapy is able to kill these over-proliferative cells, then the bone marrow should appear dark. In their sample, the researchers found that brightness and non-uniformity in bone marrow PET scans was an indication that the subject was not responding to the chemotherapy. This assessment, which apparent...

Research and innovation at the intersection of physics and health sciences

...nter (SLAC) will be the world's first free electron laser at x-ray wavelengths when it becomes operational in 2009. Ultra-fast pulses of unprecedented brightness will enable completely new classes of experiments, such as following atomic rearrangements during chemical reactions, and imaging of single molecules....
Brightness in Medical Technology

Infinity and MedImmune Present Updated Phase I Results of IPI-504 in GIST at ASCO Annual Meeting

...ed within the tumor cells. The most common tracer used in oncology for PET imaging is 18-fluorodeoxyglucose, or 18-FDG. Different colors or degrees of brightness on a PET image represent different levels of tissue or organ metabolic activity. PET imaging in oncology takes advantage of the fact that cancer cells...

Digital vs. Analog Mammography

...stal display (LCD), allowing for unlimited manipulation of the contrast and brightness of the image, including image reversal and electronic magnification. ...lity to acquire images in near-real time and to process them, i.e., to vary brightness and contrast levels, auto-windowing, image manipulation. Information can al...
Brightness in Medical Products

FireFly LED Light System & SheerVision 2.5x Titanium-Frame Loupe Package

Description:... the new FireFly LED you'll get powerful, long-lasting illumination with unrestricted mobility to go whereever your practice demands. High center-beam brightness and hands-free operation lets you focus on your procedures, while the rechargeable battery provides over five hours of uninterrupted use....
Company:SheerVision

Pediatric Laparoscopes

Description:... Stryker autoclavable pediatric laparoscopes provide equivalent brightness and resolution along with the unparalleled durability found in larger laparoscopes....
Company:Stryker Corporation

Halo Cordless Surgical Headlight

Description:...ight, white, cool light, guaranteeing phenomenal light color today, tomorrow and for over 10,000 hours of surgery. The Halo delivers a higher level of brightness than most fiber-optic headlights, providing surgeons with true color rendition of patient tissue....
Company:Enova Medical Technologies

Portable Cold Light Projector 20 Watt/8 Volt

Description:... The 81483N projector operates off of DC power for maximum portability. The 20 watt halogen bulb with a specially designed reflector provides maximum brightness and portability....
Company:Karl Storz GmbH & Co. KG.

Nightingale PPM2

Description:...od pressure, respiration and temperature. The PPM2 provides an easy to use knob and a simple set of control keys for user interaction, and a high brightness color display for enhanced visibility. The PPM2 also contains built-in hardware for networking and printing. The PPM2 raises a new standard of con...
Company:Zoe Medical

FB-10V Slim Bronchoscope

Description:...rties. With up to 40% more glass fibres and a smaller fibre cross-section, the new V series of fibre bronchoscopes provides much better resolution, brightness and sharpness of detail. Together with a 10% larger image and a 120 degree angle of view, the quality of the endoscopic image is improved significantl...
Company:PENTAX Medical Company

FB-8V Pediatric Bronchoscope

Description:...rties. With up to 40% more glass fibres and a smaller fibre cross-section, the new V series of fibre bronchoscopes provides much better resolution, brightness and sharpness of detail. Together with a 10% larger image and a 120 degree angle of view, the quality of the endoscopic image is improved significantl...
Company:PENTAX Medical Company

FB-18V Bronchoscope

Description:...rties. With up to 40% more glass fibres and a smaller fibre cross-section, the new V series of fibre bronchoscopes provides much better resolution, brightness and sharpness of detail. Together with a 10% larger image and a 120 degree angle of view, the quality of the endoscopic image is improved significantl...
Company:PENTAX Medical Company

FB-15V Bronchoscope

Description:...rties. With up to 40% more glass fibres and a smaller fibre cross-section, the new V series of fibre bronchoscopes provides much better resolution, brightness and sharpness of detail. Together with a 10% larger image and a 120 degree angle of view, the quality of the endoscopic image is improved significantl...
Company:PENTAX Medical Company

FB-19TV Bronchoscope

Description:...rties. With up to 40% more glass fibres and a smaller fibre cross-section, the new V series of fibre bronchoscopes provides much better resolution, brightness and sharpness of detail. Together with a 10% larger image and a 120 degree angle of view, the quality of the endoscopic image is improved significantl...
Company:PENTAX Medical Company
Brightness in Medical Definition

Nuclear medicine

...uclear medicine radionuclide has a unique gamma-ray emission energy spectrum, and since the energy of a gamma-ray is detected in a gamma-camera by the brightness of the scintillation associated with an event, gamma-cameras employ energy 'windows' to gate or limit the imaging process to gamma-ray events of parti...
Brightness in Biological News

Researchers set new record for brightness of quantum dots

CHAMPAIGN, Ill. -- By placing quantum dots on a specially designed photonic crystal, researchers at the University of Illinois have demonstrated enhanced fluorescence intensity by a factor of up to 108. Potential applications include high-brightness light-emitting diodes, optical switches and pers...

New technique images tumor vessel leakiness to predict breast cancer chemotherapy outcome

...who is also a Georgia Cancer Coalition Distinguished Scholar. While the brightness of the tumors in the images changed significantly, no variations were obser...r sections, the researchers showed that the location of the increased image brightness and the fluorescent dye were the same. "This study showed that higher up...

Dirty snow causes early runoff in Cascades, Rockies

...it landed on. They found that changes to snow's brightness results in its melting weeks earlier in spring tha...am simulated how that soot would affect the snow's brightness throughout the year. Finally, they translated the brightness into snow accumulation and melting over time. G...

Caltech scientists develop 'barcode chip' for cheap, fast blood tests

...it to capture a specific protein from the plasma passing over. When the barcode is "developed," the individual bars emit a red fluorescent glow, whose brightness depends upon the amount of protein captured. In the Nature Biotechnology paper, the researchers used the chip to measure variations in the concentr...

Biomedical research profits from the exploration of the deep sea

...0 C), the new fluorescent protein, named cerFP505, can be well applied as marker protein in mammalian cells at normal body temperature (37 C). The brightness and stability of cerFP505 are similar to other fluorescent proteins used in biomedical research. The fluorescence can be switched on and off in a cont...

Planetary 'first family' discovered by astronomers using Gemini and Keck Observatories

... ago, are young enough that they are still glowing from heat released as they contracted, making them easier to see in infrared light. Analysis of the brightness and colors of the objects at multiple wavelengths shows that these objects are about seven and 10 times the mass of Jupiter. As in our solar system, t...

Planetary "first family" discovered by astronomers using Gemini and Keck Observatories

... ago, are young enough that they are still glowing from heat released as they contracted, making them easier to see in infrared light. Analysis of the brightness and colors of the objects at multiple wavelengths shows that these objects are about seven and 10 times the mass of Jupiter. As in our solar system, t...

Polarized light guides cholera-carrying midges that contaminate water supplies

...ight than brightly lit water the pair wondered whether the insects were basing their choice on the amount of polarized light reflected by water or the brightness of the reflection. Broza contacted animal polarization vision expert Nadav Shashar and his student Lerner to find out whether polarization or intensit...

Researchers develop nano-sized 'cargo ships' to target and destroy tumors

...n." The team found to its surprise in its experiments that a single mother-ship can carry multiple iron oxide nanoparticles, which increases their brightness in the MRI image. "The ability of these nanostructures to carry more than one superparamagnetic nanoparticle makes them easier to see by MRI, which...

Remote technology sees through ice, snow and hot air to monitor power plants

...crements; and, using a blue LED/photodiode combination, measure the loss in brightness from the LED through the ice, water and air at many different points throu...king sites. It is driven by computer graphics codes that accurately predict brightness (important for comparing data from different wavelengths), and is completel...
Brightness in Biological Technology

Reducing brightness to make a better paper

Madison, Wis. -- Researchers at the USDA Forest Service Forest Products Laboratory (FPL) have joined with other federal agencies and the pulp and paper industry in an effort to reduce the economic costs and environmental impacts of the paper commonly used in business and government offices whil...

Laser technology creates new forms of metal and enhances aircraft performance

...rm nano-structures and micro-structures that dramatically alter how efficiently light can radiate from the filament. In addition to increasing the brightness of a bulb, Guo's process can be used to tune the color of the light as well. Last year, his team used a similar process to change the color of nearly ...

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

... were still surprised when we turned up the power on this bulb and saw just how much brighter the processed spot was." In addition to increasing the brightness of a bulb, Guo's process can be used to tune the color of the light as well. In 2008, his team used a similar process to change the color of nearly an...

Quantum dots and nanomaterials: Ingredients for better lighting and more reliable power

... emission from a single building block. The light source made out of these materials also will have a nano-range thickness and can be operated at high brightness (equivalent to a ceiling lamp) using a 9-volt battery source. Just as with solar cells, these light sources will also be printable in the future, Jabb...

Houston LASIK Eye Surgery Expert and Pioneer Jack Holladay, M.D. Joins Influential Group of Eye Surgeons Listed at Trusted LASIK Surgeons

... on the Ophthalmic Device Panel of the FDA who has honored him with a distinguished service award.    In addition, he invented the brightness Acuity Tester, an instrument used by eye surgeons around the world to test the effects of glare on patients' vision, and developed the Holladay "...

Cold atoms could replace hot gallium in focused ion beams

...archers have tried using other types of ions but were unable to produce the brightness or intensity necessary for the ion beam to cut into most materials. The ...ium atoms, establishing that other elements besides gallium can achieve the brightness and intensity to work as a focused ion beam "nano-scalpel." The same techni...

Totoku Europe Chooses Matrox Xenia(TM) Series to Drive Medical Monitors

...s and marketing of Totoku Europe. "The combination of this high performance board with our actual range of Diagnostic Displays including 15MP and High brightness Solutions will show remarkable overall performance. This was confirmed by all attendees at our recent International Partner meeting in Dusseldorf." ...

Energetiq's Laser-Driven Light Source Technology Enables Continuous Spectrum Light Sources, from Visible to Deep Ultraviolet

...tiq. "Building upon our expertise in reliable high brightness EUV and high power DUV light source science, we're...echnology that allows for such a superior level of brightness over a very broad spectral range. This technology ...r-driven bulb technology is optimized for superior brightness and long operating life. Note to editors: Downlo...

Increased Light Leads to Early Detection: Caliper Life Sciences Introduces Bioware(R) Ultra Cancer Cell Lines

...y to track disease progression in vivo offers a more conclusive understanding of how potential drugs will react in and impact humans. Increasing the brightness of tumor producing cell lines significantly improves researchers' ability to monitor early tumor behavior and detect micrometastases sooner. Caliper's...

Olympus FluoroPoint(TM) System Provides High-Sensitivity Single Molecule and Protein Interaction Analysis for Screening and Research

...roPoint delivers true single molecule data, long trusted by biophysicists. FluoroPoint offers fluorescence correlation spectroscopy (FCS), molecular brightness (FIDA), and confocal anisotropy (FIDA-PO) measurements, all in an automated, user-friendly format. Its mix-and-measure simplicity means that researche...
Brightness in Biological Products

RapidVUE® Particle Shape and Size Analyzer from Beckman Coulter

Description:...ampling is where the intensity of the continuous-tone is measured at specific points. Quantization is where these points or samples are converted to a brightness value or greyscale value with 0 representing black and 255 white. A simple algorithm is utilized to identify and measure particles in an image. A thre...
Company:Beckman Coulter
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