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Tag: "optical" at medical news

New scalpel probes into cancer

... output frequency by a receiver and transmitted by optical fibre to a laptop computer. An algorithm transla...be transmitted from the scalpel to the computer by optical fibre.This new recovery might prove a boon for the surgeons....

Laser to help in root canal treatment

...t a direct laser, the but alternatively furnishes optical energy to water, and the water particles themselves provide the cutting of dental hard tissue. Use of the Waterlase may reduce the need for anesthesia and fewer instruments can be used for treatment, according to Biolase. Postoperatively, it may red...

Airbags lessens oppressive eye injuries

..., while Level 4 described serious injuries such as optical nerve damage and retinal detachment. The researchers found that 3.5 per cent of those involved in an accident where an airbag was deployed had an eye injury, compared to two per cent where an airbag was not involved. In fact, 25 per cent of all eye...

Testing for blood sugar levels made easier

...xas have discovered a new non-invasive test, using optical coherence tomography, which will end the pain of pricking for diabetes patients. Optical Coherence Tomography uses advanced photonics and fiber optics to obtain images of tissues. It uses infrared light waves that reflect off the internal structures...

Gene-Nanoparticle Gene Transfer Is Better Than Viral Vector Transfer System

...ble to a viral vector," Bharali said. Using a new optical fiber in vivo imaging technique (CellviZio developed by Mauna Kea Technologies of Paris), the UB researchers were able to observe the brain cells expressing genes without having to sacrifice the animal. Using this technique it is also possible to man...

Diabetes and heart attack diagnosis now made simple with twin magic

...tein markers released during a heart attack, using optical measurements. What makes it extra special is that the needles play a dual role and complement each other. The tiny medical gadgets are expected to be constructed of cheap throw-away plastic which would not only make glucose testing simple and painl...

A Mirror Miracle!

... The team heads Roger and Leigh say," getting the optical properties of mirror rights is crucial, light only passes easily through the skin over a tight range of infrared wavelengths but slicon surfaces dont reflect well at these wavelengths. And if the mirror was highly polished it would quickly loose its ...

OCT - Optical Coherence Tomography - the buzzword in cardiology

...t professor at Harvard Medical School who has used optical coherence tomography to gauge stent status.// This is a new imaging technique similar to ultrasound and will allow cardiologists to view the status of coronary stents used to open clogged arteries during angioplasty. A more glamorous way of pu...

A new replacement

...with a hygenic sheath complete with electrodes and optical windows.TruScan is expected to be released in Europe this year and on the Australian market in 2002....

Discovery of World’s smallest laser

...cause of their potential applications in miniature optical computer circuitry and communicationsdevices, Yang...atively new type of microscope called a near-field optical scanning microscope. “Near-field optical microscopy is a very powerful technique, providing a snap...

Studying brain anatomy without surgery

...d by near infrared laser diodes is cariied through optical fibres to a person's head. The light penetrates th...od volume.The scattered light is then collected by optical fibers, sent to detectors and analysed by a computer.By examining how much is absorbed, Gratton and ...

Next time somebody complains about your strange behavior, take it as a compliment

...g a brain scanning techniques called near-infrared optical spectroscopy. The brain scans showed that all groups used both brain hemispheres for creative tasks, but that the activation of the right hemispheres of the schizotypes was dramatically greater than that of the schizophrenic and average subjects, sug...

Optical Imaging Added To Ultrasound To Improve Imaging Of Breast Cancer

...new study shows that combining a technology called optical tomography with standard ultrasound imaging can he...oved and examined. By combining ultrasound with optical tomography, which employs diffused light in the near infrared (NIR) spectrum, the researchers were a...

Nanotechnologists Specify Limitation For Devising Small Machines

...ent performed by a University of Arizona// team of optical sciences doctoral candidate John D. Perreault and assistant professor of physics Alexander D. Cronin. Perreault and Cronin directly measured how close speeding atoms can come to a surface before the atoms' wavelengths change, said a statement from t...

Microscopic Nanobombs Blow Apart Breast Cancer Cells

...e experimenting with the molecules and considering optical and thermal properties, and found we could trigger microscopic explosions of nanotubes in wide variety of conditions." When the other researchers saw these nano explosions, they came up with the idea of using them against cancer cells. "The nanobom...

Novel Technique For Targeting Small-Cell Lung Cancer

...with fluorescent agents enables tumor detection by optical imaging techniques including endoscopy. The main advantages of this method are high sensitivity and outstanding spatial resolution. In a recent work, researchers from Israel used novel backbone cyclic peptides, which function as Somatostatin recepto...

Telemedicine Project Implemented for Indian Railways

...way Network. , M. P. The Indian Railway has had an optical fibre network in many sections that runs parallel railways track. Almost the whole of southern Railway is so connected. The project was inaugurated on 17th of September by Dr. Das, Director General Medical Services from the Railway Board. On the 43...

Detecting Brain Abnormalities in Babies Using New Brain Scanners.

...e advantages of both MRI & ultrasound. It uses the optical tomographic technique to produce images of the brain. The mechanism is that it allows light to pass through the tissues and the output is analyzed by a computer terminal. The light source used is a safe and low intensity laser which produces shor...

A forgery: the cloning (controversy) research

...ions about Hwang. In a way, we were all chasing an optical illusion." <br...

New Portable Helmet Scanner To Examine Newborns

...facilities as it works by using a technique called optical tomography to generate images showing how the brain is working, reported the online edition of BBC News. The helmet scanner, which scientists hope could be commercially available within a few years, incorporates 32 light detectors and 32 sources of...

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