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Tag: "imaging" at biology news

Elasticity imaging identifies cancers and reduces breast biopsies

...of North America (RSNA). “In our work, elasticity imaging has been found to have high specificity,?said Rich... screening exam, screening with magnetic resonance imaging (MRI) or ultrasound may be more effective for high-risk patients or women with dense breast tissue. ...

UGA scientists unravel 'molecular inch-worm' structure of walking-pneumonia bacterium

...roteins in live, growing cells. Time-lapse digital imaging let them see the development and activity of this structure in real time--giving new clues about function and demonstrating that, contrary to previous thinking, multiple new terminal organelles often form before cell division is observed. From the ...

Smoking changes brain chemistry

...iety of North America (RSNA). "This is the first imaging study to focus on the relationship between brain metabolites and nicotine dependence," said Okan Gür, M.D., from the Department of Radiology at the University of Bonn in Germany. Dr. Gür and colleagues used proton magnetic resonance spectroscopy ...

Second opinion yields treatment changes for half of patients

... after having undergone initial evaluation, breast imaging and biopsy, and they already had a treatment recom...s for surgery. The changes were a result of breast imaging specialists reading a mammogram differently or breast pathologists interpreting biopsy results diffe...

Molecular anatomy of influenza virus detailed

...ke its discovery. ET is a novel, three-dimensional imaging method based on the same principle as the well-known clinical imaging technique called computerized axial tomography, but it is performed in an electron microscope on a m...

Scientists work to identify genes that contribute to early heart attack risk

...re screened for atherosclerosis using non-invasive imaging tests. There are six study sites, including Wake Forest. The researchers said it will take about five years to complete the SEA study. ...

Got inexpensive contrast agent? Milk plays new role in imaging

...iry staple as a contrast agent in gastrointestinal imaging exams—with excellent results. The researchers repo...y know what to expect.? Computed tomography (CT) imaging of the gastrointestinal tract is often done for abdominal pain. When the condition calls for visuali...

MIT nanoparticles may help detect, treat tumors

...ic signal to be detectable by a magnetic resonance imaging (MRI) machine. The work appears as the cover feat...isible on an MRI. This might allow for noninvasive imaging of fast-growing cancer 'hot spots' in tumors." Bhatia also is affiliated with the MIT-Harvard Center...

Master planners in brain may coordinate other areas' roles in cognitive tasks

...based on data from eight separate functional brain imaging studies conducted over the course of five years. A...lso planning to use a new type of functional brain imaging to look at the connections between other brain areas and the cingulate and the opercula. ...

With record resolution and sensitivity, tool images how life organizes in a cell membrane

...ists Peter Weber and Ian Hutcheon, both experts in imaging mass spectrometry at the Lawrence Livermore National Laboratory (LLNL), who provided access to the state-of-the-art machine used in the experiments. That machine is a highly specialized mass spectrometer, which analyzes the mass of small molecular i...

3-D ultrasound scanner could guide robotic surgeries

...eveloped the first-ever 3-D ultrasound scanner for imaging the heart in real time from outside the body. As t...ial organ, or "phantom," commonly used for testing imaging technologies. The researchers then entered the coordinates into a simple robot that controlled a bio...

Thermal imaging shatters arousal gender gap myth

A new McGill University study that used thermal imaging technology for the first time ever to measure sexu... Thermal imaging, or thermography, is infrared imaging using thermographic cameras that detect radiation emitted by objects based on their temperature. Bec...

Patients to benefit from novel technology revolutionizing high-speed molecular imaging

...he speed of this new D-SPECT camera approaches the imaging speed of computed tomography (CT), it will become economical to have functional and anatomic imaging in line (as a hybrid image) and in near real time for developing combined single photon emission com...

Brain's 'gambling circuitry' identified

...by humans undergoing functional magnetic resonance imaging (fMRI) of their brains, distinguishes the "gamblin...the first or second card would be higher. The fMRI imaging of the subjects' brains during the gambling task could show the researchers which areas of the brain...

Ring-like formations in drying DNA drops could affect hybridization studies

...uid crystal, the researchers used a relatively new imaging technique developed at Kent State University. Called fluorescence confocal polarizing microscopy, the technique imaged the DNA in the drying droplet in three dimensions. "The DNA alignment parallel to the droplet's edge was counterintuitive," Wong s...

Movie spies on malaria parasite's sneaky behavior

... immune system for centuries. Now, using real-time imaging to track malaria infections in live mice, research... remain to be answered. But the power of using imaging to follow parasite movements inside live, infected animal hosts is clear. "It is now possible to fol...

NYU researchers decorate virus particles, showing potential to enhance MRI capabilities

...at has the potential to improve magnetic resonance imaging (MRI) techniques. Their results are reported in th...ical compounds that enhance the ability of medical imaging techniques, such as MRI, to discriminate between different tissue types. MICA includes Chemistry Pro...

3-D model reveals secrets of metastasis

...the most powerful sets of computers at MIT and the imaging processing and analysis went quite quickly. "Muhammad was successful for two reasons," says Matsudaira. "His computational model predicted what would happen in virtual experiments and then he was able to go straight to test the predictions with the...

Snakes' virtual glasses, leopard spots and all-optical transistors

...ven a crude network dramatically improves infrared imaging - which you might want to keep in mind if you ever book a flight on a snake-infested airline. A Model of Changing Leopard Spots R. T. Liu, S. S. Liaw, and P. K. Maini Physical Review E http://link.aps.org/abstract/PRE/v74/e011914 Leopard's s...

Researchers unveil strategy for creating actively-programmed anti-cancer molecules

... the regimen could have advantages-for example, an imaging agent could be attached to the small molecule, allowing a physician to monitor localization of a drug before arming the agent with the antibody molecule. ...

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