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Tag: "build" at biology news

Stable polymer nanotubes may have a biotech future

...tainer. The optical tweezers can be used to custom build nanotube network structures. The work was supported in part by the Office of Naval Research. ...

MIT researchers build tiny batteries with viruses

...nessed the construction talents of tiny viruses to build ultra-small "nanowire" structures for use in very ... a package as possible. The batteries they hope to build could range from the size of a grain of rice up to the size of existing hearing aid batteries. Batt...

Fish on acid: Hagfish cope with high levels of CO2

...water inside the carcass to become acidic from the build up of CO2 produced by the fish, which could explain why the fish is able to cope with environmental conditions of up to 7% CO2 (350 × that found in normal air). Dan Baker is presenting his latest findings at the Society for Experimental Biology Annua...

Albatross study shows regional differences in ocean contamination

...nds persist in the environment for a long time and build up in the tissues of animals high on the food chain. Analysis of blood samples showed that concentrations of these compounds in black-footed albatrosses were 370 to 460 percent higher than in Laysan albatrosses. The two species breed at the same si...

Vegetables inhibit growth of prostate cancer in mice with human tumors

...nds persist in the environment for a long time and build up in the tissues of animals high on the food chain. Analysis of blood samples showed that concentrations of these compounds in black-footed albatrosses were 370 to 460 percent higher than in Laysan albatrosses. The two species breed at the same si...

Ocean acidification threatens cold-water coral ecosystems

...es of plankton and mollusks) use carbonate ions to build their skeletons or shells. Model projections indi... oceans become more acidic, corals are expected to build weaker skeletons, a process similar to osteoporosis in humans. Cold-water corals provide habitat f...

UGA study explains peaks and troughs of dengue epidemics

...ting model," Wearing said. "Because if you were to build a forecasting model without understanding the trends in cross-immunity, you would not necessarily predict what we observe." The researchers examined 30 years of data from the government of Thailand and from a Thai clinic that keeps what is widely r...

Iron critical to ocean productivity, carbon uptake

... they suck carbon dioxide out of the atmosphere to build new cells. A better understanding of this carbon cycle is a key to studying global climate change. Iron fertilization of phytoplankton is also a key to a healthy marine food chain. Both Behrenfeld and Peter Strutton, an assistant professor of ocean...

Purdue creates new low-cost system to detect bacteria

...es. "We adapted some ideas from that research to build a scatterometer for food safety, and now we're using the second generation of that instrument," Hirleman said. A major motivation for the research is to reduce the time it takes for industry to identify harmful organisms in food processing. Scienti...

Marine 'dead zone' off Oregon is spreading

...g winds allowed a low-oxygen pool of deep water to build up. Now that the upwelling-favorable winds are blowing consistently, we're seeing that pool of water come close to shore and begin to suffocate marine life. If these winds continue to blow, we expect to see continued and possibly significant die-offs...

New MRI technique quickly builds 3-D images of knees

... only sample a few pieces of information needed to build the image at a time." Consequently, most magnetic resonance technicians acquire images as a series of 2-D slices, which yield high resolution in a single plane and poor resolution in the remaining direction, he says. To capture an image, a magnet...

Study finds how organs monitor themselves during early development

...a inspires scientists in other fields and they can build on those general principles to further their work," she says. A researcher studying the challenge of infertility in humans could apply this study to his or her own work, Dr. Gilboa explains. Studying a model organism like the fly with its short gener...

UF scientists discover evolutionary origin of fins, limbs

...program was simply reutilized in a new position to build the first paired fins," Cohn said. "It tells us our own arms and legs have their evolutionary roots in the dorsal, caudal and anal fins of our fishy ancestors." Many of these genetic mechanisms are involved in human birth defects, which provide ins...

Survival of the selfless - scientists find cheats don't always prosper

...sts at every level, from genes working together to build functioning individuals to individuals forming societies." The researchers suggest that the ideal organism type would be one that can switch between selfish and efficient metabolism. Dr MacLean adds: "While microbes are obviously not capable of rat...

Key stress protein linked to toxicities responsible for Parkinson's, Alzheimer's

... cannot be refolded properly or degraded, they may build up in the cell to cause dysfunction. Defects in either the protein folding or degradation pathways can lead to accumulation of misfolded proteins. The accumulation of misfolded proteins is a common pathogenic mechanism in many diseases, including n...

DOE JGI finishes 100th microbial genome

...nd, we can explore how microbes use these parts to build and run their key functions, many of critical importance to DOE because they can break down plant materials to produce such useful sources of energy as ethanol and hydrogen, and clean up toxic waste sites. We know that microbes can perform these and ...

UF scientists restore sight to chickens with blinding disease

...Semple-Rowland said. "It took quite a long time to build the vector, develop the injection procedure and figure out how to hatch the eggs. By doing the injection early during development, we actually treat the cells before they become photoreceptors." Infants with LCA1 would receive an injection of the g...

How HIV 'exhausts' killer T cells

...ndela School of Medicine that we have been able to build a biomedical research institute and develop this rich international collaboration that enables us to study the HIV epidemic at its epicenter, to gain knowledge that we could not obtain anywhere else," he said....

A new tool against brain disease

...ndela School of Medicine that we have been able to build a biomedical research institute and develop this rich international collaboration that enables us to study the HIV epidemic at its epicenter, to gain knowledge that we could not obtain anywhere else," he said....

Smooth sailing: 'cruise ship virus' tackled by UH, Baylor College of Medicine

...sts take a long time," Ruchhoeft said. "If we can build a diagnostic tool that mimics something like the pregnancy test in speed and ease of use, we could create a platform for rapid detection of this virus and other pathogens." The tool Ruchhoeft and Willson are building will rely on the disease prot...

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