Tag: "optical" at medical news
Solving the mystery of musical harmony
... have evolved is evidently to respond to ambiguous optical
and acoustical stimuli by taking account of the statistical relationship between stimuli and their sources. That seems to be the reason we hear music the way we do."...
Nanoneurosurgery, search for E-T life, bioscan technology and home holograms at frontiers of optics
... these new telescopes would obtain highly detailed optical
images in the visible part of the light spectrum. ...ographic recording requires lasers and complicated optical
systems. In contrast, Rosen and his students, David Abookasis and Youzhi Li, use a standard digital...
NASA research propels development of new glass
...erous commercial applications including lasers and optical
communications. "We have patented a family of new ...pment of applications and new products for lasers, optical
communications, and surgical lasers is supported by grants from the National Science Foundation and ...
Northwestern named Udall Center for Parkinson's Disease Research
...ram employs state-of-the-art electrophysiological, optical
and computational approaches to understand the pathophysiology of the basal ganglia regions most intimately linked to the symptoms of Parkinson's disease the globus pallidus and subthalamic nucleus. Current neurosurgical treatment strategies for lat...
Beckman Laser Institute to improve breast cancer detection
...xperimental laser-based technology called "diffuse optical
imaging." This technology can be used to detect and give detailed information on tumors, and researchers will use it to create laser imaging devices that complement conventional detection methods, such as mammography and MRI. "Our goal is to transfo...
Brain maps perceptions, not reality
...team then used a technique called intrinsic signal optical
imaging to study the reaction to the same illusion...n the brains of squirrel monkeys. Intrinsic signal optical
imaging uses a specially designed video camera to detect changes in light reflectance viewed through...
Hearing aid research gets federal boost
... development: novel directional microphones, novel optical
electronic sensors and novel signal processing. As...n at Georgia Institute of Technology, an expert in optical
sensors. The optical
sensors will replace and improve upon the variable capacitors in traditional he...
Rensselaer to open new Terahertz Research Center
...b also is outfitted with an infrared spectrometer, optical
tables, and a vacuum deposition system. Rensselaer was recently awarded a $3.86 million grant from the National Science Foundation (NSF) to fund 15 fellowships to enhance interdisciplinary graduate study in terahertz (THz) science and technol...
Carnegie Mellon statistics student honored for technique to aid in brain imaging
...oving some sources of "noise" that interferes with optical
imaging, a method for mapping brain activity in which the surface of the cerebral cortex is videotaped over time. When researchers attempt to map brain activity that results from a specific stimulus, unrelated physiological processes such as changes ...
The physics of films, butterflies, banknotes and rainbows
...n droplets, but there is in fact much more to this optical
phenomenon than first meets the eye. John Hardwick... the rainbow as well as other, much rarer, natural optical
phenomena, such as "fog-bows", "dew-bows" and the mysterious "glories". (p. 29) Contact: John Hardwi...
Laser method identifies, counts toxic molecules
...ght reflecting and circulating inside a prism-like optical
resonator. The time it takes the light to diminish...ivity is equivalent to the best of other published optical
methods that could be used outside a laboratory. A highly selective coating is expected to enhance p...
Wavefront-guided LASIK improves contrast sensitivity
...ISCO Wavefront-guided LASIK corrects higher-order optical
distortions and provides significantly improved contrast sensitivity compared with standard LASIK. This is the conclusion of a study appearing in the March 2004 issue of Ophthalmology, the clinical journal of the American Academy of Ophthalmology, th...
Tiny molecular motors shed light on cell function, say Stanford researchers
... on a system," said Spudich. Altman specializes in optical
tweezers, a focused laser that allows the manipulation of microscopic beads, and provided the required physics know-how by applying his expertise to studying myosin activity precisely. The Cell paper includes a number of complex equations describing ...
Electronic device standards to yield choicer chops
...ors use electronic devices and equipment---such as optical
probes, ultrasonic sensors and digital cameras---to evaluate critical fat to meat ratios. In 2003, for instance, electronic devices determined pricing for more than 80 percent of the almost $7.5 billion worth of swine processed in the United States. ...
Detection at a distance for more sensitive MRI
...ire transparency, can also be used -- for example, optical
methods that can detect the miniscule NMR signals from living cells. By freeing the detection phase from the confines of the sample chamber, remote detection liberates NMR/MRI technology from its restraints and opens a new realm of possibilities -- ...
Optical glucose sensor holds promise for diabetics and intensive care patients
... of California, Santa Cruz, have developed a novel optical
glucose sensor that could be used to provide conti... "We are very excited about the prospects for our optical
glucose sensor to be used in a viable device for continuous glucose monitoring," Singaram said. Diab...
Invisible light and special goggles may improve brain tumor surgery
... emerging technology of near-infrared fluorescence optical
imaging will provide this crucial information in r...for Cancer Research. When perfected, near infrared optical
imaging of brain tumors may offer a "safe, non-invasive and highly sensitive" method that can improv...
Researchers testing compounds that may stop replication of T-cell leukemia virus
...ounds in just 45 minutes. This method measures the optical
properties of the compounds and performs analysis without separating the chemical products in each compound. Despite what can be tedious work, the researchers express excitement about their studies."It's the unknown," Dennison said. "There's no rule ...
Sounds of New York, evidence for a preferred ear, ultrasound for the eye
...). LISTENING TO RECORDS BY LOOKING AT THEM Using optical
methods and digital image processing, Carl Haber and Vitaliy Fadeyev of Lawrence Berkeley National Laboratory ( firstname.lastname@example.org ), and their colleagues have developed a non-destructive, non-contact method for digitizing old mechanical recordings such...
Researcher funded to locate lung tumors
... assays and random biopsies. Mitra's technique of optical
tomography uses a short pulse laser focused on the...ormation about the interior of the tissue from the optical
signals," said Mitra. "We expect this method to yield physiological information with a safer, simp...
1 2 3 4 5