Tag: "images" at biology news
From Corn Rootworms To Art, Cornell's Reactor Is At The Core
...d for analysis, but I was really interested in the images
it produced," Taft said. So he started making radiographs of his paintings, which have been exhibited in California, Washington, D.C., and Ithaca. "The painting is just a means of producing the radiographs; the radiographs are the final work," he sa...
North America Hit Hard By Asteroid Strike In Yucatan 65 Million Years Ago
...m a crater after animpact. The researchers studied images
of these corked-in Venusian vapors,which show that gaseous material is propelled in waves downrange after anobject strikes a planetary surface at an oblique angle. Schultz used a high-powered gun to recreate the dynamics of an objectstriking Earth's...
Brain Mapping In Real Time
...mapping" experiments that produce high- resolution images
showing what brain sites are active during different kinds of mental activity. fMRI generates a great deal of information quickly (half a gigabyte or more per experiment). In the past, computing couldn't keep up with the data, and it took 24 hours or...
Robots, Virtual Reality & Other "Smart" Tools Soon Will Help Physicians Heal Patients
...systems to guide surgical tools; three-dimensional images
projected onto patients in the operating room; and physicians thousands of miles apart participating in live surgery -- these are among early 21st century technologies doctors and engineers are dreaming about and developing now. "We're encour...
Moving DNA Molecules With Magnetic Tweezers
...,Wirtz has been able to collect video and computer images
of DNAmolecules in motion. This has allowed him to begin testingtheories developed over the past 30 years. "You see this DNAmoving around, and it's something that people had only imaginedbut had never seen," Wirtz says. "This is exciting stuff!"...
Laser Microscope At Cornell Images Serotonin In Live Cells
...ope technology developed at Cornell, have produced images
displaying the neurotransmitter serotonin in live ...citation, can record ultraviolet (UV) fluorescence images
of live cells without using UV illumination to detect and image cellular activity. "This technique c...
Learning From Birds And Bees: Engineers Study Insects For Ideas On Tiny "Micro Air Vehicles"
...and the tiny payloads that willtransmit television images
or sniff the air for contaminants. Recentadvances in micro electro-mechanical systems (MEMS) and microelectronicstechnology give engineers confidence that systems that tiny could oneday be practical. At Georgia Tech, for instance, researchers have ...
Purdue Study Aims To Boost MRI Capabilities
...Faster scanning techniques allow doctors to gather images
from parts of the body that are currently hard to ... techniques convert the different frequencies into images
of tissues. The absence of ionizing radiation, such as that used in X-rays or CAT scans, means the M...
Method Eases Making Amino Acids Critical In Medicinal Chemistry
...a pair of hands: They form nonsuperimposablemirror images
of each other. The reactions of chiral compounds are highlystructure dependent, just as the right hand of one person requires the righthand of another to perform a handshake. Thus, the correct chirality mustbe built into a synthesized biomolecule. "...
Hot 'Lanta: NASA, School Kids Team To Study How Trees Help Cities Keep Their Cool
... Photoshop TIFF copies of these images
(in PC and MAC versions) for ...ses, buildings, roads, and parking lots. Satellite images
of Atlanta readily show how urban sprawlhas pushed into what had been farmland and woodlands, largel...
CTC Visualizations Help Ecologists See The Forest And The Trees
...ndex.htm . "The Web site includes scores of still images
and a dozen coloranimations," noted Deutschman. "T...e for the Web. In addition, Devine rendered custom images
thatincluded such details as sapling trees and canopy geometry. "This work is part of our broader p...
Imaging Studies Illuminate Brain's Response To Cocaine
...ygen in the blood, can be superimposed on detailed images
of brainstructures. Functional MRI scans were made of 10 volunteer participants - allof whom were carefully selected cocaine addicts - as they received cocaineinjections and for 13 minutes following the injection. At 15-second intervalsthroughout ...
Mystery Of Vital Cell Protein Solved After 30 Years
...culled by the researchers from the more than 4,000 images
which wererecorded over a six-year period. The diffraction patterns and images
weregenerated on an electron microscope equipped with a special "cold stage" thatreduced damage to t...
DNA Enzyme Works In Crystal Form; Yields New Insights Into Gene Copying
...g DNA. Soon they will make movies. The scientists' images
also arerevealing details of how cancer-causing chemicals interfere with the copyingprocess. The biochemists, led by assistant professor of biochemistry LorenaBeese, published their discovery in the Jan. 15 issue of Nature, in an articletitl...
Harvard Medical School Researchers Present Atomic Structure Of DNA-Replicating Enzyme Widely Used In DNA Sequencing
...ngmethod--called MAD--of obtaining high resolution images
in X ray crystallography.The structure will be published in the January 15 Nature, along with resultsfrom a research collaboration led by crystallographer Thomas Ellenberger andbiochemist Charles Richardson, assistant professor and professor, respect...
STS-89 Will Carry Five Science Payloads From NASA/Marshall
...erated by astronautDavid Wolf and provides video images
captured on computer. Animproved understanding of how large protein molecules move through a liquidwill help scientists in tailoring techniques for growing large, near-perfectcrystals in space for analysis on the ground. IPCG was set up and operated...
Low Cholesterol? Reduced Sodium? What Do These Terms Really Mean?
... added to the soup labels. For each label,thirteen images
were created, corresponding to a complete factoria...rol) and one control label with no added image.The images
were placed in the same location on each can label using the samefont size and color. An example is ...
Microsurgery Made More Accurate With Virtual Measuring Tool
...es must be worn to visualize the pointer and video images
in stereo. To test the accuracy of the system, sev...ented Reality technique of combining stereo- video images
with stereo-computer graphics. The VTM is intended to enable surgeons to make measurements of any st...
Study Is First Ever To Document Protein Therapy Induces Creation Of New Blood Vessels To The Human Heart
... he and his colleagues examinedangiograms -- X-ray images
of the heart -- of both the treated and control(untreated) patients and found that no blockages had formed in the new vessels. All of the patients who received the FGF-I three years ago are stillalive. The scientists report that no negat...
New Imaging Technique Pinpoints Dead Heart Muscle
...RS, we can investigate specific regions on the MRI images
andmeasure the concentration of creatine there with pinpoint accuracy. We can evensee heart muscle damage in the back of the heart wall, a difficult area toobserve with prior imaging techniques." In clinical studies of the new "creatine deple...
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