Slug-inspired bio-glue can bind wet tissues
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As anyone who has ever tried to put a BandAid on wet skin can attest, it is very difficult to get adhesives to stick to anything damp. This is a particular problem for doctors and surgeons, who sometimes use adhesives to hold wounds closed. Even when surgical adhesives are attached to dry skin, they can be inflexible, leading to the wound opening again. As many adhesives are also toxic to cells, they are not generally useful for deeper injuries. Now, a team of researchers from the Wyss Institute for Biologically Inspired Engineering and the Harvard John A. Paulson School of Engineering and Applied Sciences may have an answer. The team has created a non-toxic adhesive that will bind strongly to tissues even when they’re wet.
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