Electrochemical cell

An electrochemical sensor is described for determination of glucose in a liquid blood sample. This comprises a first sheet (14) having a palladium sputter coating, as well as a second sheet (15) having a palladium sputter coating and a third sheet of electrically resistive material having an apertur...

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Bibliographische Detailangaben
Hauptverfasser:	T.W. BECK, O. JOHANSEN, A.M. HODGES
Format:	Patent
Sprache:	eng
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS OR TEST PAPERS THEREFOR CONDITION-RESPONSIVE CONTROL IN MICROBIOLOGICAL ORENZYMOLOGICAL PROCESSES ENZYMOLOGY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING OR TESTING PROCESSES INVOLVING ENZYMES, NUCLEICACIDS OR MICROORGANISMS METALLURGY MICROBIOLOGY MUTATION OR GENETIC ENGINEERING PHYSICS PROCESSES OF PREPARING SUCH COMPOSITIONS SPIRITS TESTING VINEGAR WINE
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Beschreibung
Zusammenfassung:	An electrochemical sensor is described for determination of glucose in a liquid blood sample. This comprises a first sheet (14) having a palladium sputter coating, as well as a second sheet (15) having a palladium sputter coating and a third sheet of electrically resistive material having an aperture (11) extending through the third sheet and defining a side wall of the cell. The space between the first sheet and the second sheet comprises a capillary space. A ferricyanide mediator is supported on one of the coatings. Access to the cell is provided at the side edge of the cell where notches (16) extending through the first sheet, second sheet, and third sheet intersect cell (11). A liquid blood sample in contact with a notch is spontaneously drawn by capillary action into the electrochemical cell.