Tag: "computer" at biology news
Unravelling new complexity in the genome
...es tailored designed microarrays or gene chips and computer
algorithms, allows the simultaneous measurement of thousands of alternative splicing events in cells and tissues. Until recently researchers studied splicing regulation on a gene by gene basis. Now we can obtain a picture of what is happening on a gl...
OHSU turns mouse into factory for human liver cells
... be predicted with any current technology, such as computer
models. You actually have to see what human liver cells do with any given drug." And human liver cells must be used instead of cells from laboratory animals because liver enzymes that break down these compounds are species specific. "Animal liver c...
Evolution is driven by gene regulation
...egions, making them harder to identify by standard computer
comparisons. While many molecules that bind DNA regulatory regions have been identified as transcription factors mediating gene regulation, we have now shown that we can functionally map these interactions and identify the specific targeted promote...
Satellite tracking reveals threats to Borneo pygmy elephants
... periods. The collars sent GPS locations to a WWF computer
via satellite as often as once a day. This was the first long-term study done of Borneo pygmy elephants. Its amazing that we still know so little about one of the biggest land mammals on Earth, said Matthew Lewis, program officer for WWFs Species C...
Argonne wins three R&D 100 awards for innovative technologies
...ceramic imaging plate which then can be fed into a computer
and digitized. The Ultra-High Resolution Mammography System offers several notable improvements over common x-ray films and scintillating screens, including reusability, wide dynamic range and direct digitization. Developers are Argonne scienti...
Computer graphics spills from milk to medicine
A new UC San Diego computer
graphics model capable of generating realistic mil... and protein content will likely push the field of computer
graphics into the realms of diagnostic medicine, food safety and atmospheric science, according to a...
New survey documents the headaches of computerized medicine
...criptions and other medical orders directly into a computer
database. For six out of eight previously defined..., for example, were spending much more time at the computer
inputting prescriptions and other orders. The two remaining categories were the generation of new k...
Where broken DNA is repaired
...stion may now be closer to an answer. By comparing computer
models of damaged human DNA with microscopic image... and time following exposure. NASA has developed a computer
model based on these measured DSB yields to predict DSB formation in hypothetical human cell nuclei....
Testing the force of a shark's bite
Scientists are building a three dimensional computer
model to test the bite force of the Great White sh...in the Great White Shark using high resolution 3-D computer
simulations. Last week Dr Wroe and his team dissected the five year old shark and measured the str...
Gold nanoparticles may pan out as tool for cancer diagnosis
...pecial camera records the scattered light, which a computer
helps to analyze. Finally, based upon the data, a diagnosis is made. ...
Learning to evolve: With a little help from my ancestors
...uld take the form of a skill such as flying. Using computer
simulations, Stone demonstrates in a study, publishing in the open access journal PLoS Computational Biology, that the ability to learn in network models has two surprising consequences. First, learning accelerates the rate at which a skill becomes i...
Wild weather forces farmers to adapt
...te of the Crop Sequence Calculator, an interactive computer
program designed to assess crop sequencing options for optimizing economic, agronomic, and environmental goals within dryland cropping systems....
Surprising new species of light-harvesting bacterium discovered in Yellowstone
...cies. Says Bryant, "Finding two new genes with a computer
is not enough to justify naming a new organism. You need to prove those genes come from the same genome." Because the two genes were close together in the genome, the team was successful in isolating a single fragment containing both. "We were luc...
Smithsonian's National Zoo researchers use electronic eggs to help save threatened species
...ta are recorded 24 hours a day and downloaded to a computer
every 48 hours. National Zoo staff use the information to mimic natural incubation in a controlled setting in the lab. Its really a breakthrough. This is data we couldnt get any other way, said National Zoo biologist Sara Hallager. The information...
When off-target is right on
...molecular computations to survive. Unlike man-made computer
components that are meticulously ordered on a chip, the molecules that make up biological 'computers' are diffuse within the cell. Yet these must pinpoint and then bind to specific counterparts while swimming in the cells thick, erratic molecular ste...
Carnegie Mellon scientists find key HIV protein makes cell membranes bend more easily
...Journal, will provide vital data to conduct future computer
simulations of HIV dynamics to help further drug discovery and prevent deadly infections. We found that HIV fusion peptide dramatically decreases the amount of energy needed to bend a cell-like membrane, said Stephanie Tristram-Nagle, associate res...
Call for EU to launch major project to map out all our proteins
...their protein products have only been predicted by computer
algorithms that are at this time imperfect. The fi...en reliably counted, and is currently estimated by computer
predictions based on knowledge of the sequence structure of genes already known. Another possibility...
American Chemical Society's Weekly PressPac -- July 18, 2007
...andle, a mug handle, a curved glass surface, and a computer
screen. They exposed the imprinted gels to a highl...are too expensive for practical use. But today, computer
programs can take the guesswork out of making sandpaper by modeling how an abrasive will perform, wh...
Neurons for numerosity: Parietal neurons 'sum up' individual items in a group
...n monkeys while they looked at arrays of dots on a computer
screen. Parietal neurons responded with progressiv... reported in prior studies. These findings support computer
models that separate the processes of summing and numerical identification, and may also explain the...
Monkeys don't go for easy pickings
...s, using a combination of statistical analyses and computer
models. The monkeys daily foraging pattern consisted of frequent short feeding bouts and a few long feeding bouts. Surprisingly, the sakis traveled four times further than the predicted distances, suggesting that the sakis were extremely selective...
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