Weizmann Institute scientists reveal key part of nerve regeneration mechanism
A new study conducted by Weizmann Institute scientists has now uncovered a key process leading to the regeneration of peripheral nerves. Nerves in the peripheral nervous system (any part of the body aside from the brain and spinal cord) are capable of regenerating, though often they do so poorly or slowly. Scientists have been trying to understand how they regenerate in order to better treat damage to the peripheral nervous system.
In addition, knowing how these neurons regenerate could provide insights into fixing neurons in the central nervous system where damage is irreversible.
Nerve cells are uniquely shaped, consisting of a cell body from which a long "arm," called an axon, extends. Axons can reach up to one meter in length and are the main conduit for nerve communication throughout our bodies, by conveying electric signals to muscles or other cells. Due to their great length, axons, like electrical or telecommunications lines, are vulnerable to damage. When a power line goes down in a storm, monitoring systems raise the alarm and repair crews are dispatched to the site. How does an axon raise the alarm after damage in our own bodies?
Alex Smith | EurekAlert!
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A new manufacturing technique uses a process similar to newspaper printing to form smoother and more flexible metals for making ultrafast electronic devices.
The low-cost process, developed by Purdue University researchers, combines tools already used in industry for manufacturing metals on a large scale, but uses...
For the first time ever, scientists have determined the cosmic origin of highest-energy neutrinos. A research group led by IceCube scientist Elisa Resconi, spokesperson of the Collaborative Research Center SFB1258 at the Technical University of Munich (TUM), provides an important piece of evidence that the particles detected by the IceCube neutrino telescope at the South Pole originate from a galaxy four billion light-years away from Earth.
To rule out other origins with certainty, the team led by neutrino physicist Elisa Resconi from the Technical University of Munich and multi-wavelength...
For the first time a team of researchers have discovered two different phases of magnetic skyrmions in a single material. Physicists of the Technical Universities of Munich and Dresden and the University of Cologne can now better study and understand the properties of these magnetic structures, which are important for both basic research and applications.
Whirlpools are an everyday experience in a bath tub: When the water is drained a circular vortex is formed. Typically, such whirls are rather stable. Similar...
Physicists working with Roland Wester at the University of Innsbruck have investigated if and how chemical reactions can be influenced by targeted vibrational excitation of the reactants. They were able to demonstrate that excitation with a laser beam does not affect the efficiency of a chemical exchange reaction and that the excited molecular group acts only as a spectator in the reaction.
A frequently used reaction in organic chemistry is nucleophilic substitution. It plays, for example, an important role in in the synthesis of new chemical...
Optical spectroscopy allows investigating the energy structure and dynamic properties of complex quantum systems. Researchers from the University of Würzburg present two new approaches of coherent two-dimensional spectroscopy.
"Put an excitation into the system and observe how it evolves." According to physicist Professor Tobias Brixner, this is the credo of optical spectroscopy....
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20.07.2018 | Materials Sciences