Wetness sensors
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United States of America Patent
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Mar 13, 2012
Grant Date -
Jun 18, 2009
app pub date -
Dec 14, 2007
filing date -
Dec 14, 2007
priority date (Note) -
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Abstract
In accordance with one embodiment of the present disclosure a method for detecting the presence of urine is described. The method includes providing a urine indicating sensor with a porous matrix, the matrix having a pH indicator non-diffusively immobilized thereon, the pH indicator being capable of a color transition when in contact with urine. Urine is contacted with the matrix of the sensor and the presence of urine is determined based on whether the pH indicator undergoes a color transition.
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