Bandages That Change Color When A Wound Is Infected

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A Breakthrough in Wound Management

Scientists at the Fraunhofer Research Institution in Munich, Germany, have placed pH sensitive dyes in bandages. These change color when they come into contact with fluids that indicate that a wound is infected:

In creating the color control strip, the researchers had to ensure the dye remained chemically stable when bonded to the fibers of the dressing material or the plaster to ensure it doesn’t get into the wound. They also had to ensure the indicator showed a clear change in color and reacted sensitively in the right pH range…

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