Tech Briefs Magazine - August 2021 - 10
5
What
The new material kills bacteria and prevents
wound infections. The bactericidal hydrogel's
active substance consists of antimicrobial peptides
- small proteins found naturally in our
immune system. There is a very low risk for bacteria
to develop resistance against them since they
only affect the outermost membrane of the bacteria.
The peptides, however, break down quickly
when they come into contact with bodily fluids
such as blood. To combat this, the researchers
developed a nanostructured hydrogel into which
the peptides are permanently bound, creating a
protective environment. The new material allows
the peptides to be applied directly to wounds and
injuries on the body, both preventing and treating
infection. The material is also nontoxic, so it
can be used directly on the skin. The material is
currently in the form of a wound care dressing
but has potential to be used as a wound care
spray.
Where
Chalmers University of Technology, Gothenburg,
Sweden
Why
Resistant bacteria can cause what is referred to as
hospital-acquired infection - a life-threatening
condition that is increasing in incidence worldwide.
The new material could help reduce the
use of antibiotics.
When
Research on the hydrogel has run in parallel with the product development of the innovation within the spinoff company
Amferia. The wound patch version of the new material is undergoing trials in veterinary care for treating pets.
Before the new material can benefit hospitals and patients, clinical studies are needed, which are ongoing.
Contact: Martin Andersson, Professor of Chemistry and Chemical Engineering, Technical Surface Chemistry, at Chalmers
University of Technology at martin.andersson@chalmers.se; +46 317 722 966.
10
Cov
www.techbriefs.com
ToC
Tech Briefs, August 2021
Anti-Bacterial Hydrogel
Ws of the
Who
The World Health Organization describes antibiotic-resistant bacteria as one of the greatest threats to global health.
The specially designed hydrogel works against all types of bacteria including antibiotic-resistant ones.
The specially designed hydrogel works against all types of bacteria including
antibiotic-resistant ones. (Anna-Lena Lundqvist/Chalmers)
An antibacterial patch is soon approaching commercial usage. (Anna-Lena
Lundqvist/Chalmers)
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Tech Briefs Magazine - August 2021
Table of Contents for the Digital Edition of Tech Briefs Magazine - August 2021
Tech Briefs Magazine - August 2021 - Intro
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