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Tag: "imaging" at biology news

Mapping the protein world

...nd, who knows, by combining ARP/wARP with new cell imaging techniques we might be able to model the molecules of a complete cell," Perrakis concludes. ...

Carnegie Mellon researchers discover key deficiencies in brains of people with autism

...the researchers used functional magnetic resonance imaging (fMRI) to view which parts of the brain were activated in people with autism compared to a control group of normal participants while completing the Tower of London task. In a Tower of London task, participants must -- in a set number of moves -- rea...

Coming soon: 3-D imaging that flies 'through' and 'around' cancer

...rnal organs typically impede," said Quon. "Our new imaging and processing protocol can peel away the organs, ... of the body," he indicated. Stanford's 3-D fusion imaging "appears to have potential for presurgical visualization, particularly in guiding biopsies," explain...

Combined treatment extends life expectancy for lung cancer patients

... Rhode Island Hospital and professor of diagnostic imaging at Brown Medical School, both in Providence, RI. "By combining thermal ablation and radiation, you have a better chance of survival than with either treatment alone." With radiation alone, overall survival rates were as follows: one year ?57 ...

Researchers show how brain decodes complex smells

... olfactory bulb with intrinsic signal imaging. The imaging technique maps brain activity by detecting changes in reflected light from the brain with a sensitive camera. To start, the researchers separated and identified the volatile compounds in each odor with gas chromatography. "A complex mixture like uri...

New light microscope sharpens scientists' focus

...lar-level resolution might be achieved in cells by imaging just a few molecules at a time and identifying eac...ted out that although there are advantages to both imaging techniques, the use of PALM in conjunction electron microscopy is particularly powerful. "A great f...

Connect the Quantum Dots

...lacing conventional organic dyes in a diversity of imaging and sensing applications." Fluorescence microscopy and spectroscopy have become invaluable analytical tools in biomedical research but rely on the fluorescence of organic dyes which have limited luminescent properties. Quantum dots have superior ph...

Autistic brain has fewer neurons for processing emotion

...adoxically, past research using magnetic resonance imaging with children has shown that the amygdala in young males with autism is abnormally large in volume due to precocious maturation. "It is somewhat surprising, therefore, that there are ultimately fewer neurons in the autistic amygdala," says Schumann. ...

First study to show how immune cells 'speak' to each other in vivo

...ll cultures, in part because of the limitations of imaging and the rapid, touch-and-go nature of the communication itself. According to the researchers, this work should settle the controversy over the existence and functional significance of mature immunological synapses in vivo during antiviral immune re...

New MRI technique quickly builds 3-D images of knees

A faster magnetic resonance imaging (MRI) data-acquisition technique will cut the time...s people are doing one plane." For example, when imaging a joint like the knee - Block's inspiration for developing the new technique - suppressing the fat s...

New tool tracks brain development in babies

...archers used 'diffusion tensor' magnetic resonance imaging (MRI), which depicts the diffusion, or displacemen...sue changes that are visible with diffusion tensor imaging at least two to three hours before they can be seen on conventional MRI. The team then applied fiber...

Memory loss affects more of the brain than previously thought

...igh-field- strength, functional magnetic resonance imaging (fMRI) scanner to study the brain activity of peop...rgistic combination of memory testing, genetic and imaging studies that together can best predict early onset and monitor progression of AD. "If memory probl...

New MRI technique shows emphysema in asymptomatic smokers

-A new imaging method has revealed early signs of emphysema in sm...itutes of Health, details a new magnetic resonance imaging (MRI) technique that appears to be much more sensitive to lung changes than even the current modalit...

Stem cells can repair torn tendons or ligaments

...tissue repair was detected using a special type of imaging known as proton DQF MRI, developed by Prof. Gil Navon at Tel Aviv University, which recognizes differences among collagen-containing tissue such as tendon, bone, skin, and muscle. The authors note that BMP and Smad proteins are involved in other tiss...

Predicting successful outcomes in living-donor liver transplants

...d in 17 of the patients and liver scintigraphy (an imaging technique using a radioactive substance that is swallowed) performed on 18 patients. The ICG test however, had certain benefits. "This novel noninvasive method has advantages in its simplicity, its real-time presentation of results without consuming ...

Anti-inflammatory drug's potentially deadly side effect found to be rare

...round the world. Clinical data, magnetic resonance imaging brain scans and cerebrospinal fluid were collected for analysis. Organizers sent guides for evaluation to local neurologists, who evaluated patients and either sent the results to a central database if they suggested little chance of PML or, if ind...

Imaging study links key genetic risk for Alzheimer's disease to myelin breakdown

A new UCLA imaging study shows that age-related breakdown of myelin, ...ion of myelin breakdown through magnetic resonance imaging (MRI) may prove useful in assessing treatments for preventing the disease. "Myelination, a process ...

Is the brain wired for faces?

...c Resonance Imaging (fMRI) machine, a high-powered imaging technology that can measure the brain activity of ... to quantitatively link neuronal processing, brain imaging and behavior, we now have a mechanistic model describing which neurons are involved and how they are...

Scientists identify molecular structure of key viral protein

...search team determined the pre-fusion structure by imaging crystals of the protein, using the extremely brilliant X-rays produced by the Advanced Photon Source (APS) synchrotron at Argonne National Laboratory in Illinois and at the Howard Hughes Medical Institute beamlines at the Advanced Light Source in Ber...

'Shuttling' protein possibly key to resilience of cancer cells

...eart disease. The scientists, using an innovative imaging technique invented at Purdue, have learned that a ...racked ATF2 and other proteins using a fluorescent imaging technique developed by Hu called bimolecular fluorescence complementation. The procedure involves br...

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