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Tag: "illuminating" at biology news

MU researcher placing eye implants in cats to help humans see

...1st century may not have to wait that long for the illuminating technology. Kristina Narfstrom, a University of Missouri-Columbia veterinary ophthalmologist, has been working with a microchip implant to help blind animals "see." According to Narfstrom, the preliminary results are promising. "About one in 3,...

Researchers identify neurons that assign value during learning

...lrhodopsin-2, neurons could be activated simply by illuminating fruit fly larvae with blue light. This tool allowed the researchers to test whether such an activation of certain neurons can actually substitute for external stimuli--for example, reward or punishment--in an associative-learning experiment. The rese...

Three-dimensional, miniature endoscope opens new diagnostic possibilities

... colors and projected onto tissue, with each color illuminating a different part of the tissue surface. The light reflected back is recorded, and the intensity of the various colors decoded by a spectrometer, which analyzes the wavelengths of light. Another device called an interferometer, which calculates struc...

Study offers window into human behavior, brain disease

...ory and Aging Center. Progress has been made in illuminating some of the genetic and molecular aspects of the disease ?two mutated genes are associated with most inherited forms of the disease and major misprocessed proteins have been identified ?but "discoveries at the genetic and molecular level do not yet e...

UF scientists reveal ancient origin of vertebrate skeleton

...system that produces cartilage. This conclusion is illuminating and extremely important." ...

UF scientists reveal ancient origin of vertebrate skeleton

...system that produces cartilage. This conclusion is illuminating and extremely important." ...

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

... 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 regulate behavior in intact, living organisms. Generally speaking, detailed information about the activity and f...

Unweaving amyloid fibers to solve prion puzzles

...have found a way to work around these limitations, illuminating the configuration of these sometimes pernicious molecules. And even though this work was done in yeast, the results provide hints as to why mad-cow type diseases tend to have a difficult time jumping species. "These findings give us some fundamental...

New tool reveals secrets of migrating cells

...s damage and scatter less, Robey said, essentially illuminating slices through the tissue that can be sharply imaged and stacked to produce a 3-D image of the cells in real time. The system they use employs an infrared laser emitting short intense pulses of 920 nanometer-wavelength light. In the thymus, it's pos...

NIH Researchers Discover How Insulin Allows Entry of Glucose Into Cells

...asses through the cover slip, to the cell beneath, illuminating the area just below the cell’s surface while leaving the inside of the cell dark. “When we started the experiment, we thought that the vesicles would be stationary,?Dr. Zimmerberg said. “The vesicles looked like comets streaking by.?/p> Dr. Zimm...

X-Ray Beams And Fruit Fly 'Flight Simulator' Aid Scientists' View Of Muscle Power

...ze and shone light right through the whole animal, illuminating the working muscles during flight and probing the molecular motions deep within the muscle cells.?/p> These experiments uncovered previously unsuspected interactions of various proteins as the muscles stretch and contract. The results suggest a m...

Molecular biology fills gaps in knowledge of bat evolution

...ecular information can contribute to resolving and illuminating long-standing problems in evolutionary biology. The current findings lay the groundwork for further research that, Springer hopes, will expand the coverage of classifications of bats from the family level to the genus level and probe in more detail ...

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