The Engineer - PETAL sensor assesses status of wound healing in 15 minutes theengineer.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from theengineer.co.uk Daily Mail and Mail on Sunday newspapers.
A paper-thin sensor patch the size of a postage stamp attached to the skin could soon help to determine how well a wound is healing – without the need to remove its dressing.