Release date: 2013-09-05

It is reported that experts from the Institute of Chemistry of the Chinese Academy of Sciences have invented a degradable yarn that can be used to suture wounds or to be administered to patients. It has broad prospects in the field of biomedicine.
The project leader Liu Minghua, a researcher at the Institute of Chemistry of the Chinese Academy of Sciences, said in an interview that the small monomer molecules placed in alkaline water can be self-polymerized into very soft, strong and degradable yarns.
Supramolecular nanotubes spontaneously pass through a series of chemical reactions in alkaline water to provide a simple and low-cost alternative to polymer formation.
Professor Liu Minghua said that this silk thread is different from ordinary clothing fabrics because it can be biosoluble and degradable. Therefore, the initial idea is to apply the results to the field of biomedicine, such as silk for suture wounds, administration, or to promote cell growth.
Professor Liu said: "In general, high molecular polymers are more common, but our research is characterized by small molecules, which are linked by covalent bonds and polymerized into materials with good mechanical properties and degradable."
He also said that the study may also be used as a nerve repair. In the nerve cell axons of the human body, tiny pipes work by polymerizing the growing fibers, which has a similar structure to the self-aggregated yarns of small molecules. Once the biological tissue begins to grow, the supramolecular network can be dismantled by itself.

Source: China Medical Technology Network

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