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Tag: "image" at biology news

Simulations unravel outer membrane transport mechanism

...s through the barrel. (Click on the link below the image of the system to watch the results of the simulation.) A second simulation exerted a force near the center of gravity of the luminal domain, pulling it out of the barrel in one piece. This required an enormous input of energy, however. “The for...

Envisat captures first image of Sargassum from space

...This appears to be the first report of a satellite image of Sargassum," Gower said. "It is usually associated with the area of the North Atlantic known as the Sargasso Sea after the Sargassum encountered there by early explorers. Our observations of Sargassum lines extending over large areas of the Gulf sh...

CT scan reveals ancient long-necked gliding reptile

Close up CT scan, composite image of fossil gliding reptile Mecistrotrachelos apeoro... position. Also, both the fossil specimens and the image data from the scan are preserved and can be reviewed and reanalyzed in the future. The scans pres...

Reconstructing the biology of extinct species: A new approach

...eck and eye muscles to reflexively keep the visual image stable. The basic hypothesis of the project w..., rocks or cliffs, or the ground. Having a stable image of the environment is especially crucial for acrobatic animals that leap, glide, or fly. To make...

3-D ultrasound scanner provides in-depth view of the brain

...ike water from a hose. That way, it can produce an image of the brain with just the tip inserted through th...monstrated that the brain scanner can successfully image the brain of a dog. Guided by the device, team member Srinivasan Mukundan of Duke Medical Center dir...

Catching cancer's spread by watching hemoglobin

...e deadliest form of skin cancer. The technique can image blood vessels up to a millimeter below the surface. Looking at blood vessels just below skin growths would be very useful for distinguishing between malignant and benign skin tumors, and would remove the critical need for skin biopsies, which is espe...

Technique monitors thousands of molecules simultaneously

...ersity's colors. This, Moeller said, is a striking image of the technique's ability to do chemistry at specific electrodes. "What electrochemistry does best is to reverse the polarity of things," Moeller said. "It takes things that are electron-poor and makes them electron-rich and vice versa; it can take ...

Novel system developed to turn data into real-time, interactive 3-D images

...technology allows for interactive viewing of large image data sets from virtually any medical imaging devic... time that physicians must now spend using current image viewing technologies," Clements says. The technology can be applied to any large 3- or 4-D data...

New technique will produce a better chromosome map

...n the cells, and the application of computer-based image processing to analyze hundreds of examples of the ...some bands. "Two researchers might see the same image differently," said graduate research assistant Mert Dikmen, who uses computer vision technologies un...

Dinosaur hearing, listening to muscle noise, quieter cubicles

...unds, without interfering with the MRI's scanner's image quality (4pPP16). TURNING VOICE LESSONS INTO A SCIENCE Drawing from knowledge of acoustics and human anatomy, researchers in session 2pMUa will discuss the latest ideas for teaching voice students to improve their singing. California-based m...

Fast and slow -- How the spinal cord controls the speed of movement

... microscope with lasers allowed the researchers to image the cells at very high resolutions. Using this set up, they watched nerve cells light up as the animals moved at different speeds. While no one knows how this pattern relates to other vertebrates, the research opens a door toward basic understandi...

Brain maps online

... ever constructed, with over 50 terabytes of brain image data directly accessible online. Users can explore...oscope slides. Those slides were scanned to create image files or "virtual slides," and assembled like tiles into composite images. The maps have a resolutio...

Researchers wake up viruses inside tumors to image and then destroy cancers

...he only example we know of where it is possible to image activated endogenous gene expression without havin...tein-Barr virus. Once the TK is activated, we can image the tumors." To test their findings, the researchers used mice carrying human Burkitt's lymphoma,...

Natural antibiotics yield secrets to atom-level imaging technique

...amoorthy said. "Just as an MRI produces a detailed image of our internal organs, solid-state NMR spectroscopy is used to construct a detailed image of a peptide or protein and to reveal how it sits in the cell membrane," providing clues for modific...

Investigating the measles virus as a tool to kill multiple myeloma

...iding a way to selectively irradiate cancer cells, image the tumors and monitor regression. Eligible candidates for the multiple myeloma study will be adults with relapsed or refractory (that is, having had more than one type of treatment fail them) myeloma. They must not have had allogeneic (from anot...

Sandia researchers take new approach to studying how cells respond to pathogens

... Advanced imaging that allows researchers to image individual cells with much higher information cont...ith multivariate curve resolution (MCR) is used to image the tagged proteins and provide quantitative measurements on multiple proteins simultaneously. The g...

Imaging pinpoints brain regions that 'see the future'

...ts were given 10 seconds to develop a vivid mental image of themselves or a famous celebrity participating in a range of common life experiences. Presented with a series of memory cues, such as getting lost, spending time with a friend or attending a birthday party, participants were asked to recall a r...

Lithium builds gray matter in bipolar brains, UCLA study shows

...dies have measured brain volume in total, this new image analysis allows researchers to examine differences in cortical anatomy at a much greater spatial resolution. In this study, Bearden and colleagues at UCLA used computer analysis to analyze brain scans collected by collaborators at the University ...

McBride shows DNA detective work with paper-eating bacteria that 'glide'

...ny more. Until recently, McBride was not able to image the bacteria closely enough to see the structures involved in movement. Instead, he bonded latex spheres to the surface of F. johnsoniae cells and observed that they moved in all directions around the cell's perimeter. "The cell wall appears to hav...

Trusting your instincts leads you to the right answer

...he lower-level cognitive process spots the rotated image as the odd one out, the higher-level function over...cts' eyes landed on the target. When the on-screen image was hidden immediately after the subjects' eyes had landed on the target, the subjects often believe...

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