Membrane-enclosed sensor, flow control element and analytic method
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United States of America Patent
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Mar 4, 1997
Grant Date -
N/A
app pub date -
Feb 21, 1995
filing date -
Feb 21, 1995
priority date (Note) -
Expired
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Abstract
A membrane-enclosed sensor (1) of the type having a membrane (11) for exposure to a fluid external phase of analytical interest at an interface between the fluid external phase or sample, and said membrane; the sensor comprises a coiled, e.g. spiraloid, channel (15) at the interface; the channel has an inlet end (16) as well as an outlet end (18) for passing the external phase in contact with the membrane along said coiled channel which, preferably has a length which is at least about 5 times greater than the largest cross dimension of the membrane.
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