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Tag: "images" at biology news

Cellular message movement captured on video

These time-lapse images of a bovine aortic endothelial cell reveal the motion toward the cell's nucleus of a message-carrying protein called paxillin (orange) in tandem with actin filaments (green). Credit: UC San Diego Scientists have captured on video the intracellular v...

Envisat captures first image of Sargassum from space

...t of chlorophyll in vegetation to produce detailed images of chlorophyll per unit area. MERIS is uniquely suited for this because it provides images of above-atmosphere spectral radiance in 15 bands, including three bands at wavelengths of 665, 681 ...

Dual-imaging technique useful before -- and during -- brain surgery

...h functional MRI and diffusion tensor tractography images in the operating room, Leach and his colleagues us...ry. Leach says the detailed, easy-to-understand images produced from functional MRI data also help patients understand what is happening in their head and ...

Bacteria ferry nanoparticles into cells for early diagnosis, treatment

...ase the cargo. The method might be used to take images of diseased tissues by inserting a cargo of fluorescent molecules into tumors that are ordinarily too small to be detected, said Demir Akin, a research assistant professor of biomedical engineering who specializes in nanomedicine. "These bacteria ...

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

...ain surgeons now rely primarily on two-dimensional images produced by MRI or ultrasound, said Edward Light, ...researchers made use of dyes to enhance ultrasound images of blood vessels in the brain. The new advance is the latest in a series of developments Smith's ...

Antarctic icebergs -- Hotspots of ocean life

...ical, biological and chemical, and using satellite images provided by NASA. At the same time, the wealth...s a challenge. First the scientists used satellite images to select two icebergs to study in detail. Then they sailed aboard the Antarctic research vessel Lau...

Putting feelings into words produces therapeutic effects in the brain

...hmanson-Lovelace Brain Mapping Center. They viewed images of individuals making different emotional expressions. Below the picture of the face they either saw two words, such as “angry” and “fearful,” and chose which emotion described the face, or they saw two names, such as “Harry” and “Sally,” and chose t...

'Virtual autopsy' helps identify drowning as cause of death

...ng MDCT, routine autopsies were performed. MDCT images were evaluated for the presence of fluid and sediment in the paranasal sinuses and airways, fluid in the ear, frothy fluid in the airways, obscured "ground-glass" appearance or thickening in the lungs, and swelling, fluid or sediment in the stomach. ...

Treating HIV in war zones -- Public health emergencies need rapid advice from WHO

....plos.org/press/plme-04-05-o'brien.pdf Related images for press use: http://www.plos.org/press/plme-04-05-o’brien-graph.pdf Caption: Monthly Number of People Undergoing VCT, Testing HIV Positive, and Enrolling in theHIV Clinic http://www.plos.org/press/plme-04-05-o’brien.jpg ...

Better insight into brain anatomical structures

...ft tissues. Contrast agents can help to make these images even clearer and allow physiological processes to ... using manganese oxide nanoparticles that produces images of the anatomic structures of mouse brain which are as clear as those obtained by histological exami...

Catching cancer's spread by watching hemoglobin

...hnique provides high-resolution, three-dimensional images of blood vessels by taking advantage of the natura..., developed at Duke University, should provide 3-D images of blood vessels in relatively deep tissue (up to 1 mm, much better than conventional microscopes) w...

Hearts of male and female rainbow trout are different

... and stained. Light microscopy was used to capture images of ventricle layers and analyzed for layer cross-sectional areas. Lactate concentration and net lactate release from cardiac tissue was also examined. Results The researchers found: ventricle strips from males and females had simi...

Madagascan tropical forests return thanks to better management and well-defined ownership

...en. The results, based on analyses of satellite images and vegetation on the ground, surprised the team of scientists from Sweden and the University of Antananarivo in Madagascar. As a result, they went further and also made a social inventory based on interviews with local forest officials and villagers...

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

...ce imaging (MRI) to computed tomography (CT) scan, images of the body’s tissues and organs have become the p... dramatically improved ability to evaluate medical images that are commonly used. This patent-pending technology allows for interactive viewing of large image...

Anthrax paralyzes immune cells with lethal toxin, UF research shows

...xposed to a purified form of the toxin, as well as images showing how protein expression changed in cells. After scrutinizing the images for hours, During finally identified one protein that seemed to disappear upon exposure to anthrax. ...

New technique will produce a better chromosome map

...t of the slides processed this way provide useable images and even those rarely offer crisp structural detai...amples of the same chromosomes. With so many crisp images to analyze, computer algorithms can accurately calculate the number, shape and location of the chrom...

Diminishing dinosaur steps saved by laser and laptop

...he first time The University has used it to create images of dinosaur tracks. Dr Manning has also extended the use of the scanner to palaeontological investigation in the Hell Creek Formation in the United States, home to the infamous Tyrannosaurs Rex. ...

City ants take the heat

... "We will construct thermal maps using satellite images recorded over several years. These maps will enable us to assess the potential biological consequences of urban warming and identify suitable sites for future experiments," Weng said. ...

Bones in motion: Brown scientists to create new 3-D X-ray system

...at uses X-rays to view objects, can produce moving images in two dimensions, but not 3-D. An orthopedic s...fluoroscopy. CTX technology is expected to deliver images with exceptional precision and detail. Researchers will be able to track 3-D skeletal movements with...

Cure for cancer one step closer

...s an Aperio Scan Scope which takes high resolution images of tissue samples that can then be shared with researchers around the world, and two vapour phase nitrogen storage vessels (-196ºC) and two -80ºC freezers which have the capacity to house in excess of 164,000 tissue and blood samples. The small se...

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