Scientists have succeeded in identifying the molecular mechanisms behind the extraordinary strength of spider silk. Joint research conducted by researchers from the Royal College of London and the University of California, San Diego, is recognized as a major scientific step in this field.
Spider silk thread is considered one of the lightest and at the same time the most durable natural materials. It is even known for being stronger than steel and harder than the Kewis. However, the molecular mystery behind these properties has not yet been fully understood.
In the new study, the scientists deeply analyzed the mechanism of interaction between the amino acids that form the basis of silk thread. In particular, it was found that the amino acids arginine and tyrosine stably bind the proteins in the yarn, giving the material strength and elasticity.
"These interactions lead to the accumulation of proteins in the form of a special nanostructure, which provides the legendary properties of spider silk," says Professor Chris Lawrence, one of the authors of the study.
This discovery not only enables the development of new bio-inspired materials but also plays an important role in understanding the mechanisms of Alzheimer's diseases.
New materials can be widely used in the production of light protective clothing, aircraft parts, medical implants, and soft robots.
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