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Tag: "scanning" at biology news

Study Demonstrates Gene Expression Microarrays are Comparable and Reproducible

...handling the tissue samples,extracting the RNA, or scanning the microarrays, could result indifferent profiles.To test the feasibility of multi-lab microarray studies, the NCI’sDirector’s Challenge program set up this preliminary study to compareresults between labs. Twelve different tumor tissues, five cance...

Poplar trees redirect resources in response to simulated attack

...ch using radiotracers like those used in human PET scanning is helping to unravel the mysteries of plant biochemistry. http://www.bnl.gov/bnlweb/pubaf/pr/photos/2005/Jasmonate-300.jpg Scientists produced these positron radiographs by administering discrete pulses of carbon-11-labeled carbon dioxide gas to a ...

Protein Packages Found To Activate Genes; May Be What Regulates Development And Disease

...ns of chromosomes to detect gene activity. But the scanning results left them with a huge amount of data, and the daunting task of deciphering what it means in terms of how genes function. For that part of the project, they teamed with investigators from the Broad (pronounced to rhyme with "road") Institute. ...

Liposome finding implies electrical effect on cell development

... stronger). In images achieved through optical and scanning electron microscopy, microtubules were observed to immediately form and extend from the phospholipid balloon, like a seed putting forth a stalk or root. Hayes believes that the phenomena may have significant implications for both cellular biology an...

Nanoparticles offer new hope for detection and treatment

... so that they can be seen with nuclear imaging, CT scanning and ultrasound imaging," Lanza says. In addition, the particles can be loaded with a wide variety of drugs that will then be directed to growing tumors. "When drug-bearing nanoparticles also contain an imaging agent, you can get a visible signal tha...

Scientists journey to southern Africa to unravel the secret world of elephant communication

...amibia, and ecologist Caitlin O'Connell-Rodwell is scanning the horizon for elephants. "It's so fantastic here," she says. "We're constantly seeing elephants, rhinos, zebras, ostriches--it's the Garden of Eden." A research associate in the Stanford University School of Medicine, O'Connell-Rodwell has come to...

Product improves peptide identification for proteomics research

...ysis, which require excellent sensitivity and fast scanning capability." The LC/MSD Trap XCT Ultra, which is based on an advanced multipole ion trap technology, has a full-scan MS/MS sensitivity specification of 250 femtograms for reserpine. The system also has two new data-dependent neutral-loss analysis mo...

Successful Test Of Single Molecule Switch Opens The Door To Biomolecular Electronics

...ly, this problem may have been solved by using the scanning probe microscope to make and measure single-molecule contacts, with molecules designed to bond at their ends with a surface and the probe tip. The second problem has been that these connected molecules have failed to exhibit the predicted electrical...

Next Generation Body Scanner Launched By The University Of Manchester

...art technology involved will revolutionise the way scanning takes place and means that higher quality scans ca... well as offering higher quality images, the quick scanning time means that more patients will be able to take advantage of the equipment, such as severely ill ...

TGen awarded $7.1 million to accelerate brain disease research

...ental health disorders using sophisticated genetic scanning technologies. This award is part of a greater $25 ... through the use of microarray technology used for scanning through the entire human genome (3 billion letters) and all of the genes for which it encodes (30,00...

Tagging pathogens with synthetic DNA 'barcodes'

...puter can identify thousands of different items by scanning the tiny barcode printed on the package. New technology developed at Cornell University could make it just as easy to identify genes, pathogens, illegal drugs and other chemicals of interest by tagging them with color-coded probes made out of synthet...

Otter adaptations: How do otters remain sleek and warm

...cked layer of specially adapted underhairs. Using scanning electron microscopy and polarizing light microsopy, John W. Weisel, PhD, Professor of Cell and Developmental Biology at the University of Pennsylvania School of Medicine, and colleagues, examined the structure of these hairs for clues to their except...

Genome Sequence for Haemophilus Influenzae Completed

...cked layer of specially adapted underhairs. Using scanning electron microscopy and polarizing light microsopy, John W. Weisel, PhD, Professor of Cell and Developmental Biology at the University of Pennsylvania School of Medicine, and colleagues, examined the structure of these hairs for clues to their except...

New law for resolution allows unprecedented sharpness in fluorescence microscopy

...edge was that a complicated and costly electron or scanning tunneling microscope would be required. However, over the past few years, researchers from the Max Planck Institute for Biophysical Chemistry in Göttingen, Germany, have developed with Stimulated Emission Depletion (STED) microscopy, a physically con...

New gene scanning technology marks a major advance in disease research

Gene scanning techniques developed by Professor Ian Day and coll...ealthcare in the future. One of two gene mutation scanning techniques devised by Professor Day and his team in the Human Genetics Division of the University's ...

North & South American researchers find architectural abnormalities in T. cruzi ribosome

...nces, also suggests that the parasite has a unique scanning mechanism for translating genetic information into...otide leader sequence. "It could provide a unique scanning mechanism different from other eukaryotes," Frank said. "For instance, the splice leader of the mRNA...

Smoking damages key regulatory enzyme in the lung

...tony Brook used positron emission tomography (PET) scanning and a tracer chemical that binds to a specific form of the enzyme monoamine oxidase (MAO A) to track MAO A levels in both smokers and nonsmokers. With whole-body PET imaging, researchers could measure the concentration and movement of the radiotracer...

Researchers develop new method for studying 'mental time travel'

... computerized pattern-recognition program to brain scanning data, the researchers were able to show that the participants' brain state gradually aligned with their brain state from when they first studied the pictures. This supports the theory that memory retrieval is a form of mental time travel. In additio...

Magnetic probe successfully tracks implanted cells in cancer patients

... the probes -- already clinically approved for MRI scanning of the liver -- could dramatically improve efforts to test and use cellular therapies such as vaccines to treat cancer or prevent its recurrence or stem cells to repair damaged organs, say the researchers. Bulte and a team of Dutch researchers used...

New brain scan technology could save babies' lives

...need to move critically ill babies to conventional scanning facilities, which may involve sedating them and has a degree of risk. The data produced by the new scanner can be used to diagnose and assess conditions such as brain haemorrhages and brain damage, and to inform decisions on effective treatment optio...

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