Simultaneous on-line measurement of blood K+, Ca2+, Na+, and pH with a four-function ChemFET integrated-circuit sensor.
Open Access
- 1 January 1984
- journal article
- research article
- Published by Oxford University Press (OUP) in Clinical Chemistry
- Vol. 30 (1) , 135-137
- https://doi.org/10.1093/clinchem/30.1.135
Abstract
On-line, simultaneous measurement of blood K+, Ca2+, Na+, and pH has been achieved by using a quadruple-function ChemFET (chemical-sensitive field-effect transistor) integrated-circuit sensor. Blood is withdrawn from the subject through an actively heparinized, dual-lumen cannula and passed into a flow-cell containing the sensor, in alternation with a calibration solution. A minicomputer controls the analysis system, logs data, and provides a continuous, graphic display of K+ and pH values.Keywords
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