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Wednesday, October 5, 2022

No Need to Rip It Off Like a Bandage With This Wound Cover

Aug. 17, 2022 – A brand new adhesive bandage is being designed to stay twice as properly to pores and skin – even bushy elements – however damage half as a lot to drag off. Scientists are tapping into the primary ingredient at school glue to make this doable.

The issue that researchers from Pennsylvania universities got down to clear up is how one can make a wound dressing that sticks quick and powerful but can simply be eliminated with out damaging pores and skin or inflicting ache, particularly if the pores and skin space is delicate or bushy.

Such a product could be particularly vital for youngsters with head wounds or after surgical procedure, however it might have a variety of purposes for different elements of the physique and for adults as properly.

But it has been troublesome to develop such a bandage. Most supplies utilized in dressings both stick exhausting and quick however cannot simply be eliminated or pulled aside, or else they are often eliminated simply however aren’t robust sufficient to do the job of maintaining a wound closed.

Reporting within the Proceedings of the Nationwide Academy of Sciences, researchers say they discovered their reply by tapping into the first ingredient at school glue, of all issues. They’re mixing a polymer known as vinyl alcohol, a major ingredient within the glue, with boric acid, a typical and naturally occurring compound regularly utilized in antiseptics.

The boron atoms within the boric acid bond with the alcohol molecules within the polymer, creating a robust adhesive that may maintain a wound collectively. However when the bandage is steeped in water for 30 seconds, the boron atoms detach from the alcohol molecules to bond as an alternative with water molecules. At this level, the bandage could be pulled away with none ache or yanking out of hair follicles.

The adhesives stick higher than most generally used pores and skin adhesives in scientific drugs, report the researchers. However within the paper, they didn’t point out whether or not such versatile bandages may additionally include superheroes or animated characters printed on them.

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