color changing dressing changes color if would becomes infected
this is completely amazing and furthers the amazing advances that the medical industry have accomplished so far. found first on geekologie which led us to the source at gizmag, this invention was created by german company fraunhofer emft and we hope they move forward and produce this product successfully. soon we shall be invincible cyborg like entities that will feel no pain…let’s just hope we continue feeling pleasure!
The scientists at the Fraunhofer Research Institution for Modular Solid State Technologies EMFT in Munich have developed an indicator dye that reacts to different pH values, and integrated it into a dressing and a plaster. Healthy skin and healed wounds usually show a pH value of or below 5. If this value increases, shifting from the acid into the alkaline range, it indicates complications in the healing of the wound.
“If the pH value is between 6.5 and 8.5 an infection is frequently present and the indicator color strip turns purple, “ says Dr. Sabine Trupp, a scientist at the EMFT. In this way the intelligent dressing material makes it possible to regularly check wounds from the outside without disrupting the healing process.
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.
The researchers have already produced a prototype of the dressing and they say initial tests have proved successful. They are now looking to take the idea further with plans to integrate optical sensor modules into the dressing to measure the pH value and indicate the results on a reader unit. This would allow the pH value to be read off precisely, providing information about how the wound is healing.
In the meantime, the EMFT researchers will test the dressing in a hospital environment at the University of Regensburg’s dermatology clinic. Dr. Trupp and her team are now also looking for an industrial partner to produce the dressing commercially.
This looks interesting no?
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the h.o.d. daily gazette
2 comments
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Jan 11, 2012
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