Method for measuring a state variable
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United States of America Patent
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Oct 28, 2003
Grant Date -
Aug 15, 2002
app pub date -
Apr 9, 2002
filing date -
May 27, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method is provided for measuring a state variable of a biological cell (3) located in a nutrient medium (2) and supported on and adhering to a support area (5). Within the support area (5) for the cell (3) and at a distance from the support area edge, an opening is made in the membrane of the cell (3). The edge of the cell membrane that surrounds the opening and adheres to the support area (5) seals off the liquid found inside the cell (3) from the nutrient medium (2). Through the opening the state variable (2) is measured. An apparatus for performing the method is also provided.
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