Flow analysis cell and layered sensor pertaining thereto
First Claim
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1. Analytical flow cell, comprising:
- a planar sensor;
a cell having a cell volume in contact with the sensor, said cell volume having an inlet and an outlet to allow flow of a fluid medium to be analyzed; and
wherein the sensor has at least one defined passage that is of constant diameter transverse to the sensor for a flow medium to be analyzed, with said inlet and said output on opposite sides of the sensor.
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Abstract
The analysis flow cell provided with a thin-film or thick-film sensor is designed so that the input and outlet for the fluid to be investigated are on opposite sides of the sensor layer and so that there is at least one passage (24) transverse to the sensor film, which can be in the sensor film or beside it in a layer of carrier. The sensor can be a biosensor, in which a thin layer of platinum, gold, or graphite is coated with a biosensor material.
11 Citations
16 Claims
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1. Analytical flow cell, comprising:
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a planar sensor;
a cell having a cell volume in contact with the sensor, said cell volume having an inlet and an outlet to allow flow of a fluid medium to be analyzed; and
wherein the sensor has at least one defined passage that is of constant diameter transverse to the sensor for a flow medium to be analyzed, with said inlet and said output on opposite sides of the sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
means to obtain signals from the sensor and means for separably mounting the sensor in a position in contact with the cell volume. -
6. The analytical flow cell according to claim 5, wherein the holder is made up of at least two parts separably connected together, between which the sensor is placed.
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7. The analytical flow cell according to claim 6, wherein the holder is made up of said at least two parts that can be unfolded.
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8. The analytical flow cell according to claim 5, wherein the holder is of metal or plastic, and wherein the cell has a geometry that is made so that it is integrated into the holder or into a replaceable fluidic part in the holder.
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- 9. An analytical flowcell comprising a film sensor that is a biosensor or an ion-selective electrode and has at least one defined passage that is of constant diameter so that a fluid medium to be analyzed can flow through it transverse to the film.
Specification