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Tag: "transparent" at biology news

A much-needed shot in the arm for HIV vaccine development

...uickly followed up with a set of milestones, and a transparent processby which successes and failures will be measured."Related Articles : A Shot in the Arm for AIDS Vaccine Research. The Global HIV/AIDS Vaccine Enterprise: Scientific Strategic Plan. A Strategy for Developing an HIV Vaccine ....

NC State scientist finds soft tissue in T. rex bones

... Not only is the tissue largely intact, it's still transparent and pliable, and microscopic interior structures r...es found in modern-day ostriches. In both samples, transparent branching blood vessels were present, and many of the small microstructures present in the T. rex sa...

The BIOS Initiative - open source biotechnology is born

...explore new business models and begin a new era of transparent and cost-effective innovation in life sciences. The technologies include TransBacter, a new method for transferring genes to plants, and GUSPlus, a new way of visualizing where these genes are and how they function. "These tools are seeding a growin...

Unexpressed But Indispensable -- The DNA Sequences That Control Development

...ar and colleagues chose the zebrafish, because its transparent embryo is ideal for observing developmental events. They injected individual CNEs into embryos, along with a green fluorescent protein (GFP) reporter. By day two of development, 23 out of 25 CNEs injected had upregulated GFP expression, indicating in...

Migratory songbirds have a specialized night-vision brain area

... songbirds -- zebra finches and canaries. Using a transparent cylindrical cage in Mouritsen's laboratory, they first accustomed the birds to the illumination equivalent of moonlight. They waited until the birds were sitting quietly to eliminate brain activity from movement. The researchers then quickly preserve...

Researchers use 3-D imaging system to unveil swimming behavior of microscopic plankton

...ography." Countless numbers of the minute, nearly transparent zooplankton are found under the surface of each square meter of the world's oceans. These animals play a key role in the marine food web as a crucial link between primary producers and predators. The imaging system, Fish TV, uses multibeam sonar to ...

Deep sleep short-circuits brain's grid of connectivity

...e fibers, like a tangle of computer cables, is not transparent and may not always be in use. "What we needed to do was stimulate an area of the brain and see if it talks to another part. We have a tool to do that now," says Tononi, referencing one of only a handful of machines in the world capable of stimulatin...

Frog peptides block HIV in lab study

...e fibers, like a tangle of computer cables, is not transparent and may not always be in use. "What we needed to do was stimulate an area of the brain and see if it talks to another part. We have a tool to do that now," says Tononi, referencing one of only a handful of machines in the world capable of stimulatin...

Biased reporting found in cancer prognostic studies

..., in an accompanying editorial. They call for more transparent reporting, better study design, appropriate analysis methods, more complete data collection, a requirement to make all data available, funding for collecting and annotating data, as well as a needed cultural change within the field of tumor marker re...

Zebrafish may hold key to improved cancer research

...ing species because the fish embryos are literally transparent and can be directly observed at early developmental stages better than almost any other animal species. They had been used for years in studying everything from the immune system to cardiovascular disease and skeletal development. In the mid-1990s,...

NJIT study shows nanoparticles could damage plant life

...noparticles are commonly used in scratch-resistant transparent coatings, sunscreen lotions that provide transparent-UV protection and environmental catalysts that reduce pollution, said Daniel J. Watts, PhD, the lead author of the study. "Before this study there was an assumption that nanoparticles had no effe...

Algal protein in worm neurons allows remote control of behavior by light

...special green-algae gene into neurons of the tiny, transparent nematode C. elegans, researchers have been able to elicit specific behavioral responses by simply illuminating animals with blue light. The work paves the way for better understanding of how neurons communicate with each other, and with muscles, to r...

New nano-canary in the nanotoxicology coalmine: The body itself

...s requires that live cells be grown on an infrared transparent substrate giving us an opportunity to closely exam... The PNNL scientists are also developing infrared transparent chemistries that are expected to improve FTIR measurements in live cell experiments. "We believe th...

Food-crop yields in future greenhouse-gas conditions lower than expected

...greenhouses, controlled environmental chambers and transparent field chambers, in which carbon dioxide or ozone were easily retained and controlled. Such tests provided projections for maize, rice, sorghum, soybean and wheat ?the world's most important crops in terms of global grain production.By 2050 carbon di...

Scientists discover why cornea is transparent and free of blood vessels, allowing vision

... vessel-free (the other is cartilage), is the thin transparent tissue that covers the front of the eye. It is the clarity of the cornea that allows light to pass onto the retina and from there to the brain for interpretation. When the cornea is clouded by injury, infection or abnormal blood vessel growth, vision...

Nanotubes used for first time to send signals to nerve cells

...lls. Thin films of carbon nanotubes deposited on transparent plastic can also serve as a surface on which cells...these two things, by stimulating cells through our transparent conductive layer," said Todd Pappas, director of sensory and molecular neuroengineering at UTMB's Ce...

High levels of blindness in southern Sudan following years of war

...hes to turn inward (‘‘trichiasis’?. The cornea—the transparent front part of the eye—becomes damaged by the eyelashes and develops ulcers, and eventually blindness results. The situation revealed by the researchers is particularly tragic as improved living conditions, better hygiene, and early treatment of t...

A fisheye view of the deadliest breast cancer

... with an unlikely yet extremely promising ally: a transparent fish suitable for xenografts. More properly, it’...uous shedding of small cellular fragments. The transparent fish also let the researchers make high-resolution 3D images of two potential anticancer compounds a...

An artificial cornea is in sight, thanks to biomimetic hydrogels

...ring during surgery. The biocompatible hydrogel is transparent and permeable to nutrients, including glucose, the cornea's favorite food. Collaborators on the hydrogel work that Frank is presenting at the chemists' meeting are Marianne E. Harmon, a former Stanford doctoral student now with GE Corporate Researc...

Edible coatings will be the packaging of the future

...ves in the last few years is the edible coating ?a transparent film that covers the food item and acts as a barrier to humidity and oxygen. Moreover, these films can be used as a host for additives in the conservation of the properties of the product or simply in order to improve its appearance. This was the s...

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