Superglue for broken bones. Free Technical Library News

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Super glue for broken bones

01.05.2018

In Sweden, they invented superglue, with the help of which broken bones are fused in a matter of minutes. Researchers at the Royal Institute of Technology in Stockholm have already conducted animal studies. Experiments have shown that when a bone is broken, the glue solves the problem in five minutes, restoring the integrity of the tissues.

The new adhesive proved to be resistant to water and air. In the treatment of fractures, the "sandwich" technique is used: the first layer of glue is applied to the surface of the bone and seeps into the tissue. This is followed by a porous layer, necessary for the strength of the connection. Another fixing layer of glue is applied on top.

Studies on volunteer patients have not yet been conducted, but the Swedes are optimistic. Scientific testing is expected to continue in the coming months.

The main consumer of the new superglue is expected to be clinics specializing in the treatment of osteoporosis (a disease in which bone tissue loses its strength). Mostly elderly women are susceptible to this disease, but recently the disease has become “younger” and occurs even in children.

The idea of creating a new superglue for bone tissue has been in the air for several decades. So far, a breakthrough has been achieved only in dentistry - dentists have tested and successfully use a special adhesive substance for the restoration of broken teeth. Attempts to use the same substance inside the body were unsuccessful: superglues either did not work on the bones, or were rejected by the immune system. If the experiment is successful, it could usher in a new era of adhesives used in medicine.

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Large quantities of ancient meteorites have been found in several quarries in a vast limestone region in southern Sweden. This limestone accumulated from marine sediments over a period of about two million years, and appeared on land about 480 million years ago.

Meteorites lie in those layers that were formed 500 million years ago. The intensity of meteorite fall is now low: on average, one event per year for every 12,5 thousand square kilometers of the Earth's surface. Half a billion years ago, judging by the Swedish find, meteorites fell a hundred times more often. Astronomers suggest that then some powerful collisions occurred in the asteroid belt, as a result, a large asteroid broke up into separate stones and some of its fragments fell to Earth.

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