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flag Researchers discover skin cells can send long-distance electrical signals to aid wound healing.

flag Researchers at the University of Massachusetts Amherst found that skin and organ lining cells, called epithelial cells, can generate electrical signals to communicate injury over long distances, potentially aiding in wound healing. flag These slow signals, which last up to five hours, could lead to new biomedical devices like electronic bandages. flag The team used a laser to wound cells on a chip and monitored the electrical changes with electrodes.

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