Tag: "magnetic" at biology news
Concorde to blame for missing pigeons?
...ss" that allows them to navigate using the Earth's magnetic
field and the position of the Sun. But to reach their destination the birds also need to have a "map sense" -- a mental chart linking their starting position and destination so they know which way to go. "Nobody has been able to understand how they d...
Finding the right recipe: Researchers tailor magnetic nanoparticles for medical treatment & diagnosis
Nanoparticles that possess magnetic
properties offer exciting new opportunities fo...ver-smaller data storage devices. But before these magnetic
nanoparticles gain widespread use, scientists must learn to consistently control their key p...
New $4.2M research center at U-M seeks to see cancer more clearly
...ists to see cancer in animals non-invasively using magnetic
resonance imaging (MRI) and spectroscopy (MRS), positron emission tomography (PET), computed tomography (CT) and a new technique based on the compound that makes fireflies glow. The U-M is the first academic institution in the world to acquire a Xeno...
Genes or environment: what shapes the sensory homunculus?
...nce of genetics and the brain's environment. Using magnetic
resonance imaging, one study found differences in certain auditory brain areas between musicians with perfect pitch and nonmusicians. These differences, the authors write, develop around the 30th week of pregnancy, and might therefore be genetic. The...
Magnetic fields may hold key to malaria treatment, UW researchers find
... have discovered a method of treating malaria with magnetic
fields that could prove revolutionary in controlli...lose vigor and can die when exposed to oscillating magnetic
fields, which Lai thinks may cause tiny iron-containing particles inside the parasite to move in way...
Dementia patients in hospitals longer, increase costs
...n structure may be altered in teen drinkers. Using magnetic
resonance imaging to measure the hippocampal volumes, the finding suggests that during adolescence, the hippocampusthe section of the brain important for long-term memory storage--may be particularly susceptible to the adverse effects of alcohol. (3....
CWRU to host regional NAE biomedical conference
...ized in developing new tools including microscopic magnetic
resonance imaging (MRI), which allow scientists to peer into biological processes on a molecular level. Meade is conducting groundbreaking studies of topics that include nerve growth and gene therapies in live animals. The National Academy of Engine...
Spring meeting press conferences
...re. The region of space controlled by our planet's magnetic
field is populated with extremely tenuous plasmas ...sicists have made the first direct observations of magnetic
reconnection occurring naturally in the space around Earth. The finding helps settle a 50-year-old d...
Membrane protein research yields new insight into inner workings of the cell
...ise to unique patterns of signals in their nuclear magnetic
resonance (NMR) spectra. This result opens a new approach for the three dimensional characterization of membrane protein structures. Membrane proteins are responsible for communication between the external cellular environment and the cell's interi...
Welch Award honors 2 for unlocking nature's secrets
...rs for the first time, in conjunction with nuclear magnetic
resonance (NMR) to their research. "I was so excited by the technique's potential power that we began making the materials we would need even before we had funding for a suitable NMR spectrometer," said Dr. Battersby. "B12 * a structure called 'fri...
University of Florida scientist maps brain reactions to food
...nd oxygenation using a technique called functional magnetic
resonance imaging, termed fMRI, the researchers were able to record activity changes in the neurons to determine where in the brain, and more important, when the physiological reactions to food occur, the scientists report in the June 29 issue of Nat...
Heart failure patients with worst heart function are good candidates for pacemakers
...ove the heart's overall performance. Using nuclear magnetic
resonance (NMR), an imaging technique that tracks specific parts of theheart muscle during contraction, Kass and his group studied the effects of pacing in 22 patients with a potentially fatal form of heart failure known as dilated cardiomyopathy, in...
Researchers determine improved pattern for artificial light-harvesting molecule
...ld be used in many chemical reactions, from making magnetic
resonance imaging (MRI) scans more accurate, to converting sunlight to energy for weakened plants....
Canadian scientists find potent antifreeze protein that equips insects to brave winter
...berta, an expert in structural biology and nuclear magnetic
resonance. Antifreeze proteins are found in som...r three-dimensional structural analysis by nuclear magnetic
resonance spectroscopy and X-ray crystallography. The rather unusual beta helix structure of the a...
Researchers decipher fundamental signal for maleness
... or testis. Weiss and his colleagues used nuclear magnetic
resonance technology to reveal the three-dimensional structure of the protein. They found a new kind of DNA binding structure (containing intertwined zinc binding sites) that regulates genes, that is turns them off or on. Whereas the estrogen and t...
Study links impulsive violence with brain's inability to regulate emotion
...l, through the use of imaging technologies such as magnetic
resonance imaging (MRI) and positron emission topography (PET) used in tandem for high-resolution, real time images of brain function....
Measuring alcohol levels in breath, blood and now the brain
...t the brain. The technology is called proton (1H) magnetic
resonance spectroscopy (MRS). 1H MRS can be used ...fined this ability even further, using proton (1H) magnetic
resonance spectroscopy (MRS) to directly measure alcohol concentrations throughout the brain. While...
Magnetic fluids offer hope for treatment of retinal detachment
Someday silicone magnetic
nanoparticles may be used to treat retinal detachm... describe their advances in creating biocompatible magnetic
fluids at the 220th annual meeting of the American Chemical Society, which will be Aug. 20-24 in Was...
Brown team looks for new ways to examine scientific data
...w ways to look at scientific data from magnetic
resonance imaging (MRI),computerized blood flow research, and geographic remote sensing. The work is supported by a $2.3-million, four-year grant fromthe National Science Foundation. Brown is one of 41 institution...
NIGMS Structural Genomics Awards scale up protein structure studies
...hniques--chiefly X-ray crystallography and nuclear magnetic
resonance (NMR) spectroscopy--have advanced dramatically in recent years, they are still time-consuming and labor-intensive. The research centers funded by NIGMS seek to streamline and automate these techniques, as well as every other task in struct...
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