Tag: "imaging" at biology news
American Chemical Society's Weekly PressPac -- Aug. 8, 2007
...ery Easing concerns about a promising new medical imaging
agent Explosive discovery on genetically engineer...ASE Easing concerns about a promising new medical imaging
agent Chemical Research in Toxicology In a study that eases concern about the toxicity of nanopa...
MIT creates 3-D images of living cell
CAMBRIDGE, MA - A new imaging
technique developed at MIT has allowed scientists ...uthors of the paper. With essentially all other 3D imaging
techniques, the samples must be fixed with chemicals, frozen, stained with dyes, metallized or other...
ESF EURYI award winner aims to stop cancer cells reading their own DNA
...a variety of new highly sensitive manipulation and imaging
techniques capable of resolving single molecules. These include force spectroscopy, new forms of optical microscopy with greatly improved resolving power and field depth, as well as nanotechnologies. The research involves cross-disciplinary work amon...
Gilbert Foundation and American Fed for Aging Research award grants on Alzheimer's disease
...cognitive decline using a novel magnetic resonance imaging
(MRI) methodology called virtual-dot-com that allows for a greater sensitivity and specificity of the brain than conventional MRI. Olivier Boutaud, Ph.D., Research Assistant Professor, Vanderbilt University Medical Center: "Quantification of the...
Brain blood flow gives clues to treating depression
...ased judgment. Our findings suggest that objective imaging
evaluations could support subjective clinical deci...added Bonne, who helped implement functional brain imaging
research in psychiatry at Hadassah. Israeli researchers studied 33 depressed patients and 25 healthy...
Viewing ecosystems from above
...raft observations. According to her, high fidelity imaging
spectroscopy and small footprint lidar, are two new technologies that provide essential information needed to characterize landscape dynamics. She will discuss the types of landscapes that are measurable using those instruments and examine how ecosy...
Bacteria may not hasten death
...ster, director of advanced electron microscopy and imaging
at the House Ear Institute in Los Angeles, used scanning electron microscopy to visualize structures resembling bacteria biofilms on the surface of older flies. Tower and co-author Chunli Ren, a graduate student, took bacteria samples from the surf...
Argonne wins three R&D 100 awards for innovative technologies
...to capture images, doctors can use a glass-ceramic imaging
plate which then can be fed into a computer and digitized. The Ultra-High Resolution Mammography System offers several notable improvements over common x-ray films and scintillating screens, including reusability, wide dynamic range and direct digi...
Gene variant is associated with brain anatomy, clinical course of ADHD
...03 healthy controls, using both magnetic resonance imaging
(MRI) and DNA testing. Sixty-seven (64 percent) of the children with ADHD also had a follow-up clinical evaluation an average of six years later. Among all participants, both with and without ADHD, having the 7-repeat form of DRD4 was associated wi...
Gene predicts better outcome as cortex normalizes in teens with ADHD
... and colleagues report on their magnetic resonance imaging
(MRI) study in the August 2007 Archives of General Psychiatry. This study provides us with a first glimpse of how variation in a specific gene influences both brain development and clinical prognosis in ADHD, said NIMH Director Thomas R. Insel, M.D...
MIT study: Maturity brings richer memories
...hem as they lay in a functional magnetic resonance imaging
scanner. She recorded their brain responses as the volunteers tried to commit each picture to memory. Shortly after the volunteers left the scanner, she showed them twice as many scenes. Had they seen each one before, and if so, how vividly did they ...
Where broken DNA is repaired
...stes, "I simulated the optical transformation when imaging
events at the nanoscale are viewed with a fluorescent microscope." One optical transformation is blurring, with the result that, in a real microscope, two nearby radiation-induced foci may blend together and look like one. When such factors were t...
Cost-effective method for gene silencing is featured in Cold Spring Harbor Protocols
...Other articles published today include methods for imaging
neuronal activity in zebrafish, examining gene expression patterns in fruit flies and frogs, preparing DNA from mammals for genotyping, and identifying protein-protein interactions in virtually any species. For a complete list of articles in the Aug...
Gold nanoparticles may pan out as tool for cancer diagnosis
...ed that the nanorods, when combined with a special imaging
technique, were capable of recognizing cancer stem cells by binding to known markers on their exterior. Cancer stem cells are important to detect because they are particularly invasive and more likely than other types of cancer cells to spread, or me...
$9M grant awarded to University of Cincinnati for bipolar disorder research
...g Research, will use functional magnetic resonance imaging
(fMRI) and magnetic resonance spectroscopy (MRS)a technique used to measure the locations and amounts of specific brain chemicals based on their magnetic properties to study what bipolar disorder looks like in the brain, particularly in response to d...
...rs that would be detectable via magnetic resonance imaging
(MRI). But for most of the candidate reporters proposed so far, a second material needs to be administered in addition to the reporter gene to allow the MRI to detect its signals. Unfortunately, processes such as fetal development and those that take...
Study points to new way to predict death risk from torn aorta
...ter died of such a tear in 2003. Better medical imaging
and treatments such as medication, surgery and cat...-M and in IRAD. By taking advantage of advances in imaging
studies and genetic associations of aortic diseases correlations with this entire care area will be ...
Learning a second language -- Is it all in your head?
...s -- Wongs team used functional magnetic resonance imaging
to observe brain areas that were activated when participants listened to different pitch tones. They found that the more successful second-language learners were those who showed activation in the auditory cortex (where HG resides). The participants ...
Researchers watch antibiotics, bacteria meet at atomic level
... resistance. Researchers used extremely powerful imaging
techniques to see, for the first time, exactly wha... which the researchers could then examine using an imaging
technique called X-ray crystallography. X-ray crystallography let them create a computerized image...
Prenatal alcohol exposure alters brain activity in the frontal-striatal areas
... exposure underwent functional magnetic resonance imaging
(fMRI) while performing a response inhibition (go/no-go) task, designed to test their ability to inhibit or curb a previously encouraged response. "We found two regions within the prefrontal cortex where the youth with alcohol-exposure histories ha...
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