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19.04.2016 Science

Scientists from Tomsk Polytechnic University along with National Autonomous Mexico University develop techniques to treat diabetic foot syndrome with silver nano-particles which special insoles are treated with. The techniques help to fight ulcers appearing on feet in diabetic patients, facilitates their healing and disinfection, reducing the risk of amputation.


Diabetic foot syndrome is one of the latest and most serious complications of diabetes. Due to the large amount of sugar in the body there are changes in peripheral nerves, blood vessels, skin and soft tissues, bones and joints of the patient. Infections, ulcers, suppurations and so on are emerging. Up to 15% of people with diabetes have the risk of developing ulcers on feet. In the advanced form diabetic foot syndrome can lead to amputation.

Silver preparations being developed by Tomsk Polytechnic University jointly with Novosibirsk and Mexican counterparts are able to reduce such risks.

“The research has shown silver’s antibacterial properties facilitate rapid healing of ulcers and suppurations in patients with diabetic foot syndrome. Together with colleagues from Mexico, where the problem is particularly acute, we are working to create special insoles for diabetic patients.

The development has passed clinical tests. In patients who had used the insoles impregnated with silver nanoparticles, leg ulcers healed up, the risk of amputations significantly reduced”:

- Says TPU Professor Alexey Pestryakov, Head of the Department of Physical and Analytical Chemistry.

A team led by the scientist develops pharmaceuticals based on silver nano-particles having universal impact on viruses, bacteria and fungi.

Alexey Pestryakov points out, polytechnicers have cooperated with Mexican colleagues for more than 10 years.

“We have got a contract with the Mexican government, gained large grants for research. Built a serious team consisted of scientists and doctors. Together we are working to improve the quality of our products, we carry out joint research and experiments”: says Alexey Pestryakov.

To be noted Professor Alexey Pestryakov is one of the most cited scientists of Tomsk Polytechnic University. Conducts his research in collaboration with colleagues around the world. The professor has published over 100 scientific articles in international peer-reviewed journals, has more than 120 co-authors - leading scientists from the UK, Germany, Italy, Mexico, Spain, Portugal, Brazil, Cuba and other countries. 

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