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Bacterial cellulose may become a bandage in the future

Bacterial cellulose may become a bandage in the future

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Date : Dec 13, 2017 01:30 AM

Scientists came up with how to impregnate composite films with antibiotics and silver nanoparticles

Scientists from the Siberian Federal University and the Krasnoyarsk Science Center SB RAS developed composite films from bacterial cellulose with silver nanoparticles and antibiotics.

The films can be used to produce antibacterial wound coatings, because they inhibit the development of pathogens.

Bacterial cellulose composites synthesized by bacteria and has a number of unique properties: it has a high biocompatibility, does not cause allergic reactions when it comes into contact with living cells and has nanostructures similar to the structure of human tissues.

Scientists tested several antimicrobial films, which are cellulose composites with antibiotics ceftriaxone and amikacin. The technology of coatings obtaining with silver nanoparticles proved to be more complicated. The cellulose films were heated in a solution of silver nitrate, and after freezing, dried and pressed in a vacuum.

«Films with antibiotics were slightly more effective than with silver nanoparticles in pathogenic microorganisms suppression. However, films with silver were not toxic upon contact with the cells that form the epidermis», Tatiana Volova, head of the Institute of Biophysics laboratory, told.

Materials may be used to treat wounds and skin damages. It is necessary to test the development on animals and to scale the technology of obtaining films before implementing into the practical medicine field.

The results are published in Polymer Testing.

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