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Ultrasound more cost efficient than other medical imaging choices
In comparing ultrasound with other medical imaging methods such as MRI and CT scans, a literature review of published studies in the May/June issue of Journal of Diagnostic Medical Sonography (JDMS) describes the use of ultrasound to provide an accurate diagnosis more cost effectively than the alternatives. view more (2009-05-21)
U of Minnesota researcher develops brain-scanning process that holds promise for epilepsy treatments
University of Minnesota McKnight professor and Director of Center for Neuroengineering Bin He has developed a new technique that has led to preliminary successes in noninvasive imaging of seizure foci. view more (2009-05-20)
Study sees transient heart dysfunction in some long-distance runners
A new study using advanced cardiac imaging technology indicates that cardiac abnormalities experienced by some marathon runners following competition are temporary, and do not result in damage to the heart muscle. view more (2009-05-18)
New system for detection of single atoms
Scientists have devised a new technique for real-time detection of freely moving individual neutral atoms that is more than 99.7% accurate and sensitive enough to discern the arrival of a single atom in less than one-millionth of a second, about 20 times faster than the best previous methods. view more (2009-05-18)
A feasible, simple and convenient model for study of rectal carcinoma
The method of building a rabbit rectal VX2 carcinoma model by injecting the cell suspension of VX2 cells into the wall of the rectum guided by X-ray fluoroscopy is feasible. view more (2009-05-13)
New nanotube coating enables novel laser power meter
The U.S. military can now calibrate high-power laser systems, such as those intended to defuse unexploded mines, more quickly and easily thanks to a novel nanotube-coated power measurement device developed at the National Institute of Standards and Technology (NIST). view more (2009-05-11)
CT Scans Increase Cancer Risk Estimates in Multiply-Imaged Emergency Department Patients
Physicians should review a patient's CT imaging history and cumulative radiation dose when considering whether to perform another CT exam. view more (2009-05-06)
NASA's Fermi Explores High-energy
Since its launch last June, NASA's Fermi Gamma-ray Space Telescope has discovered a new class of pulsars, probed gamma-ray bursts and watched flaring jets in galaxies billions of light-years away. view more (2009-05-05)
Sandia researchers construct carbon nanotube device that can detect colors of the rainbow
Researchers at Sandia National Laboratories have created the first carbon nanotube device that can detect the entire visible spectrum of light, a feat that could soon allow scientists to probe single molecule transformations, study how those molecules respond to light, observe how the molecules change shapes, and understand other fundamental... view more... (2009-05-01)
World's fastest camera relies on an entirely new type of imaging
Ultrafast, light-sensitive video cameras are needed for observing high-speed events such as shockwaves, communication between living cells, neural activity, laser surgery and elements of blood analysis. view more (2009-04-30)
Computer hackers R.I.P. -- making quantum cryptography practical
Quantum cryptography, a completely secure means of communication, is much closer to being used practically as researchers from Toshiba and Cambridge University's Cavendish Laboratory have now developed high speed detectors capable of receiving information with much higher key rates, thereby able to receive more information faster. view more (2009-04-30)
New MR Technique May Help Save Women from Unnecessary Breast Biopsies
A new MR procedure that uses diffusion-weighted imaging (DWI) to determine whether or not a breast lesion is malignant or benign may help reduce unnecessary breast biopsies, according to a study performed at the National Institute of Health in Bethesda, MD. DWI is a method that produces images detecting the exchange of water molecules between... view more... (2009-04-24)
New MR Sequence Helps Radiologists More Accurately Evaluate Abnormalities of the Uterus and Ovaries
A new MR imaging sequence, T2-weighted BLADE, used to image the female pelvis improves image quality and helps radiologists make a more accurate diagnosis, according to a study performed at the University of Maryland School of Medicine in Baltimore, MD. view more (2009-04-24)
Diffusion Tensor Imaging Allows Radiologists to See Areas of the Brain Rarely Seen Using Other Imaging Modalities
Radiologists are now able to look at parts of the brain using diffusion tensor imaging (DTI) that are rarely visible with any other imaging method, according to a study performed at Beth Israel Deaconess Medical Center in Boston, MA.
view more (2009-04-24)
New technique that scrambles light may lead to sharper images, wider views
When photographers zoom in on an object to see it better, they lose the wide-angle perspective -- they are forced to trade off "big picture" context for detail. But now an imaging method developed by Princeton researchers could lead to lenses that show all parts of the scene at once in the same high detail. The new method could help... view more... (2009-04-22)
Bridging the gap in nanoantennas
In a recent publication in Nature Photonics, a joint team of researchers at CIC nanoGUNE, Donostia International Physics Center DIPC, Centro de Física de Materiales of CSIC/UPV-EHU in San Sebastian (Spain), Harvard University (USA) and the Max Planck Institute of Biochemistry in Munich (Germany) reports an innovative method for controlling light... view more... (2009-04-20)
New imaging analysis predicts brain tumor survival
As early as one week after beginning treatment for brain tumors, a new imaging analysis method was able to predict which patients would live longer, researchers from the University of Michigan Comprehensive Cancer Center have found. view more (2009-04-20)
Singapore scientists synthesize gold to shed light on cells' inner workings
Highly fluorescent gold nanoclusters for sub-cellular imaging have been synthesized by researchers at the Institute of Bioengineering and Nanotechnology (IBN). view more (2009-04-16)
Fish researcher demonstrates first 'non-visual feeding' by African cichlids
Most fish rely primarily on their vision to find prey to feed upon, but a University of Rhode Island biologist and her colleagues have demonstrated that a group of African cichlids feeds by using its lateral line sensory system to detect minute vibrations made by prey hidden in the sediments. view more (2009-04-14)
CT scans: Too much of a good thing can be risky
Patients who undergo numerous CT scans over their lifetime may be at increased risk for cancer, according to a study published in the April issue of Radiology. view more (2009-03-31)
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