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Tag: "built" at biology news

Synthetic peptide targets latent papilloma virus infections

...lls. The plasmids were left behind. Because they built the peptide to enter cells easily, the peptide has potential as a topical treatment for the viral infection. "We didn't start out looking for a way to develop a drug, but we stumbled across a way to get the peptide taken up by the cell, and it work...

Hybrid molecule causes cancer cells to self-destruct

...cancer cells." Sampathkumar and his colleagues built upon 20-year-old findings that a short-chain fatty acid called butyrate can slow the spread of cancer cells. In the 1980s, researchers discovered that butyrate, which is formed naturally at high levels in the digestive system by symbiotic bacteria th...

Woven scaffolds could improve cartilage repair

...hopedic Bioengineering Laboratory who designed and built the weaving machine. "The first joints to be treated this way would likely be hips and shoulders, though the approach should work for cartilage damage in any joint." The researchers reported the new technology in the February 2007 issue of the jou...

New details on how the immune system recognizes influenza

... reactions. Dr. Sette and his colleagues have also built numerous tools for analyzing and visualizing the data and for predicting immunity against different pathogens--all of which is publicly accessible on their Web site (see http://immuneepitope.org ). ...

Paper challenges 1491 Amazonian population theories

...and that the view of the Amazonian rainforest as a built landscape is gaining momentum. There are extremes at either ends, and the majority of people are in middle but there's a tendency of drifting toward the high end." For example, he says 1950s population estimates were 1 million, in the 70s that est...

Cure for cancer one step closer

...tate Research Facility Fund. The investment has built and equipped, as part of the Institute's infrastructure, a dedicated laboratory with highprecision equipment for preparation and study of tissue samples. This equipment includes an Aperio Scan Scope which takes high resolution images of tissue sam...

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

...al standpoint." The system will be designed and built with a $1.8-million grant from the W.M. Keck Foundation, one of the nation's largest philanthropic organizations and a major supporter of pioneering discoveries in science, engineering and medical research. The system will fill a void in med...

Get a whiff of this: Smell test could sniff out serious health problems

...begin testing five different prototypes of the SMT built by WR Medical Electronics. Currently, Frank says an earlier model of the SMT is being tested in a high-profile clinic in Germany as well as at the University of Pennsylvania. Frank says the SMT customer base would be primarily otolaryngologists and n...

Executable biology -- Computer science sheds light on animal development

...t Dr. Jasmin Fisher. "Once a robust model has been built of a particular system, it can be used to get a global, dynamic picture of how the system responds to a variation ?such as a drug or a genetic mutation. Preliminary studies could be quickly done using the model, saving valuable laboratory time and re...

Decoding protein structures helps illuminate cause of diabetes

...ein structures. A few years ago, Zanni's team built the first device capable of designing infrared laser beams with a computer. The team has now simplified and speeded up the process with an automated version of the 2-D IR technique. As described in the current study, they obtained a single structur...

Spreading viruses as we breathe

...the air." As part of the study QUT designed and built a machine to measure the distance a droplet travels in the air prior to drying. "This droplet could potentially be carrying a virus," she said. "The significant part of our research has found that rather than the droplet falling directly to the...

Researchers attach genes to minichromosomes in maize

...u Han, Zhi Gao, Juan M. Vega and James A. Birchler built on a previous MU discovery about the creation of minichromosomes to demonstrate that genes could be stacked on the minichromosomes. “This has been sought for a long time in the plant world, and it should open many new avenues. If we can do this in...

Healthy coral reefs hit hard by warmer temperatures

...eat Barrier Reef live atop a limestone scaffolding built from the calcium carbonate secretions of each tiny coral, or polyp. While polyps provide the framework, coral's vivid hues come from symbiotic single-celled algae that live in the polyps. The algae supply much of the food coral need to survive. Wh...

New technique will produce a better chromosome map

...lls contain gigantic, "polytene" chromosomes, each built up of more than 1,000 parallel copies of DNA strands. When stained, condensed, dark bands and lighter regions (interbands) give the chromosomes a striped appearance. For more than 70 years, cytogeneticists have used a hand-drawn map of the bands o...

Students invent protective pouch to enhance cell therapy

...er proteins that the body needs. The students have built a housing in which the bio-reactor can operate. I’m pretty optimistic that it will work in living subjects." The leader of the student design team, Tom Link, said he selected this project because it has the potential to benefit many people. "It co...

Technique monitors thousands of molecules simultaneously

...ecessary for the task to the remote regions it was built in on the scale necessary was "a logistical nightmare." Getting 12,000 electrodes per square centimeter to selectively do your chemical bidding is Moeller's logistical nightmare. How do you get chemical reactions to happen at just one of the electr...

Experimental gene therapy 'abolishes' arthritis pain and lessens joint damage

... Study Details Proteins called receptors are built into the outer surfaces of human cells, enabling them react to the nutrients, toxins and hormones around them. Each receptor is designed to react with a specific signaling molecule, which docks into the receptor like a ship coming into port. The dock...

Math that powers spam filters used to understand how brain learns to move our muscles

...al engineering at Hopkins, who with his colleagues built the new model, says the artificial brain in the computer, like its natural counterpart, is guided in part by a special kind of statistical “probability” theory called Bayesian math. Unlike conventional statistical analysis, a Bayesian probability...

Soils offer new hope as carbon sink

...nology will take hold and pyrolysis plants will be built where there is a steady stream of green or other biomass waste providing clean energy that is carbon negative," Dr Van Zwieten said. "But until pyrolysis plants are up and running, the availability of agrichar for farmers will be scarce."...

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