Autonomous valve for detection of biopolymer degradation

Stephan Urs Keller, Nadine-Nicole Noeth, Stefanie Fetz, Marco Grünefeld, Oliver Geschke, Anja Boisen, D. Haefliger

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    We present a polymer microvalve that allows the detection of biopolymer degradation without the need of external energy. The valve is based on a polymer container filled with a colored marker solution and closed by a thin lid. This structure is covered by a film of poly(L-lactide) and degradation of the biopolymer triggers the release of the color which is detected visually. The autonomous valve has potential for the fast testing of biopolymer degradation under various environmental conditions or by specific enzymes.
    Original languageEnglish
    Title of host publicationSensors, 2009 IEEE
    Publication date2009
    ISBN (Print)978-1-4244-4548-6
    Publication statusPublished - 2009
    Event8th IEEE Conference on Sensors - Christchurch, New Zealand
    Duration: 25 Oct 200928 Oct 2009


    Conference8th IEEE Conference on Sensors
    CountryNew Zealand

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