Tag: "magnetic" at biology news
NIH awards new $14.5 million, five-year grant to the Scripps Research Institute
...ological molecules: x-ray crystallography, nuclear magnetic
resonance (NMR), and electron microscopy. Scientis...en in use since the 1930s and relies on the use of magnetic
lenses that bend a beam of electrons to image biological molecules and other tiny objects. Electron ...
New Stanford center probes nanoscale material
... semiconductor and controlling a single electron's magnetic
orientation, or "spin." The probes will help resea...a manager of nanoscale studies who is developing a magnetic
resonance force microscope to detect individual electron and nuclear spins. Researcher John Kirtley ...
Story tips from the Department of Energy's Oak Ridge National Laboratory, October 2004
...onfine hot plasma in a circular, three-dimensional magnetic
field, or torus, inside a fusion reactor. Fusion e...boratory's Fusion Energy Division has designed the magnetic
field coil system to shape the plasma and the vacuum vessel to contain it for the National Compact S...
Coke versus Pepsi: It's all in the head
...they scanned the subjects' brains using functional magnetic
resonance imaging (fMRI). In this widely used imaging technique, harmless magnetic
fields and radio signals are used to measure blood flow in regions of the brain, with such flow indi...
NHGRI seeks next generation of sequencing technologies
...sizing short regions of identical DNA fragments on magnetic
beads, packing millions of them into a chamber and then extending each of those molecules while detecting the addition of fluorescently labeled DNA building blocks or nucleotides. Kenton Lohman, Ph.D., 454 Life Sciences Corp., Branford, Conn. $2 mill...
Perceptual decision-making hub pinpointed in human brain
...their brain activity was monitored with functional magnetic
resonance imaging (fMRI), twelve healthy subjects pressed buttons to indicate whether they saw a face or a house, as images flashed on a computer monitor. Some of the images were so noisy that they were barely discernable, reducing accuracy from 95 p...
Small business at NJIT's business incubator takes two awards
... the user wants and is activated by a pocket-sized magnetic
wand the user carries. Urovalve's device will improve the quality of life for men who cannot urinate due to nerve damage, disease or physical problems that affect the urethra. "About 4.5 million men in the U.S. are believed to suffer from these pr...
Study in Royal Society journal on how relationship status influences sex ratios
...a few million degrees centigrade) and permeated by magnetic
field lines emerging from the much cooler solar su...the solar surface sends waves travelling along the magnetic
field lines (like waves on a slinky spring). We find that these waves can be converted to heat quite...
Study is looking at ways to help stroke survivors regain lost motor skills
...n can contact 888-546-9779. Participants undergo magnetic
resonance imaging (MRI) to identify the area of the brain where arm function is affected. Participants randomized to receive the investigational device then have an electrode placed on the protective membrane over the area of the brain identified by...
Brain differences in adolescents, psychopaths, lend to their impulsive, risk-taking behavior
...ously viewing their brain activity with functional magnetic
resonance imaging. The adolescents' brains showed significant activation in the medial prefrontal cortex and in the brainstem, near the ventral tegmentum and substantia nigra, compared with adults. In previous studies, the researchers found th...
Psychologist finds instance where 'two wrongs do make a right'
..., a graduate student, are now using the functional magnetic
resonance imaging (fMRI) resources of the University of Oregon's Robert and Beverly Lewis Center for NeuroImaging to identify brain mechanisms related to the effects described in the PLoS Biology article. Dassonville joined the UO faculty in 1999. In...
Head movements by warblers could reveal basis for birds' geomagnetic sense
... Night-migratory songbirds are known to use a magnetic
compass to guide them during yearly journeys cover... head scans to detect the direction of the Earth's magnetic
field. In the natural geomagnetic field, the birds move toward their migratory direction immediately...
Study: Pigeons can sense the Earth's magnetic field; ability might allow them to return home
...equivocally for the first time that pigeons have a magnetic
sense that goes beyond just a simple magnetic
compass. The findings boost the possibility that pigeons -- and maybe other birds as well -- use the...
NJIT physicists expect new super lens to reveal first light by early 2006
...red light rays to measure simultaneously the Sun's magnetic
field at different altitudes in the solar atmosphe...gram, to better understand the interaction between magnetic
fields and the flows of materials on the sun's surface. The new telescope will also allow research...
Stem cells may hold promise as multiple sclerosis cure
... Society of North America (RSNA). Researchers used magnetic
resonance imaging (MRI) to monitor the cells' prog...lls of adult mice. Iron particles interfere with a magnetic
field and thus can be easily detected with MRI. The team intravenously injected the cells into the t...
How the brain is wired for faces
... researchers' experiments combined both functional magnetic
resonance imaging (fMRI) and behavioral studies of...ks. In the widely used technique of fMRI, harmless magnetic
fields and radio signals are used to measure brain activity as subjects perform tasks. In the fMRI s...
Yerkes researchers discover baisis for determining handedness in chimpanzees
...e each animal's hand preference and then looked at magnetic
resonance imaging (MRI) scans of the animals' brains. They found asymmetries in the KNOB and in the area that is homologous to the human language brain region. A detailed review of the data showed the asymmetries in the KNOB corresponded to right- an...
Chimpanzee brains are asymmetrical in key areas and their handedness reflects it
...lliam Hopkins, PhD (also with Berry College), took magnetic
resonance images of 60 chimpanzees to measure the anatomy of two key structures in their brains' limbic systems, an early-evolving central region that includes the hippocampus and amygdala. In the MRI pictures, the hippocampus (which regulates learn...
Study in Royal Society journal on first evidence for magnetic field detection in sharks
... suspected that sharks are able to use the earth's magnetic
field to navigate across seemingly featureless oce...ained to swim over a target whenever an artificial magnetic
field is activated thereby clearly demonstrating that sharks can sense magnetic
fields. This signif...
Cigarette smoking exacerbates alcohol-induced brain damage
...e, we are not aware of any published studies using magnetic
resonance imaging methods on human brains that hav...-drinking "controls" (7 smokers, 19 nonsmokers) on magnetic
resonance spectroscopic imaging measures of common brain metabolites in gray and white matter of the...
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