It may soon be possible to produce a low cost, high-value, high-strength fiber from a biodegradable and renewable waste product for air filtration, water filtration and agricultural nanotechnology, report polymer scientists at Cornell University. The achievement is the result of using the recently perfected technique of electrospinning to spin nanofibers from cellulose.
"Cellulose is the most abundant renewable resource polymer on earth. It forms the structure of all plants," says Margaret Frey, an assistant professor of textiles and apparel at Cornell. "Although researchers have predicted that fibers with strength approaching Kevlar could be made from this fiber, no one has yet achieved this. We have developed some new solvents for cellulose, which have allowed us to produce fibers using the technique known as electrospinning."
Frey is collaborating on the research with Yong Joo, an assistant professor, and Choo-won Kim, a graduate student, both in chemical engineering at Cornell. Frey reports on the development Sept. 9 at the annual meeting of the American Chemical Society in New York City.
Susan S. Lang | Cornell News
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An international research team including astronomers from the Max Planck Institute for Radio Astronomy in Bonn, Germany, has combined radio telescopes from five continents to prove the existence of a narrow stream of material, a so-called jet, emerging from the only gravitational wave event involving two neutron stars observed so far. With its high sensitivity and excellent performance, the 100-m radio telescope in Effelsberg played an important role in the observations.
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Up to now, OLEDs have been used exclusively as a novel lighting technology for use in luminaires and lamps. However, flexible organic technology can offer much more: as an active lighting surface, it can be combined with a wide variety of materials, not just to modify but to revolutionize the functionality and design of countless existing products. To exemplify this, the Fraunhofer FEP together with the company EMDE development of light GmbH will be presenting hybrid flexible OLEDs integrated into textile designs within the EU-funded project PI-SCALE for the first time at LOPEC (March 19-21, 2019 in Munich, Germany) as examples of some of the many possible applications.
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For the first time, an international team of scientists based in Regensburg, Germany, has recorded the orbitals of single molecules in different charge states in a novel type of microscopy. The research findings are published under the title “Mapping orbital changes upon electron transfer with tunneling microscopy on insulators” in the prestigious journal “Nature”.
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Scientists at the University of Konstanz identify fierce competition between the human immune system and bacterial pathogens
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Laser physicists have taken snapshots of carbon molecules C₆₀ showing how they transform in intense infrared light
When carbon molecules C₆₀ are exposed to an intense infrared light, they change their ball-like structure to a more elongated version. This has now been...
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