Sampling plate
First Claim
Patent Images
1. A sampling plate, comprising:
- a sample zone for receiving a liquid sample, the sample zone comprising at least two discrete testing zones and a separation means comprising a hydrophobic zone for separating the liquid sample into at least two discrete samples occupying a respective testing zone; and
an air porous body which is in fluid communication with the sample zone;
wherein the air porous body is arranged to receive air displaced from the sample zone as the liquid sample is received into the sample zone.
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Abstract
The present invention relates to a sampling plate. In particular the invention relates to a sampling plate for measuring certain selected properties of a liquid sample, such as the glucose levels in a blood sample. Sampling plates of the present invention have a sample zone (20) for receiving a liquid sample which is surrounded by an air porous body (4). The air porous body (4) acts to receive air from the sample zone (20) as it is displaced by an incoming liquid sample, thereby allowing efficient spreading of the liquid sample.
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Citations
13 Claims
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1. A sampling plate, comprising:
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a sample zone for receiving a liquid sample, the sample zone comprising at least two discrete testing zones and a separation means comprising a hydrophobic zone for separating the liquid sample into at least two discrete samples occupying a respective testing zone; and an air porous body which is in fluid communication with the sample zone; wherein the air porous body is arranged to receive air displaced from the sample zone as the liquid sample is received into the sample zone. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A sampling plate, comprising:
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a sample zone for receiving a liquid sample; an air porous but water impermeable body which is in fluid communication with the sample zone, the air porous body being arranged to receive air displaced from the sample zone as the liquid sample is received into the sample zone; a loading port for loading the liquid sample; and a loading path between the loading port and sample zone along which the liquid sample can travel towards the sample zone; wherein the sample zone comprises; at least two discrete testing zones, each defined by a well, having a hydrophobic boundary lying between the at least two testing zones; and a raised hydrophobic loading platform located towards a central region lying between all the respective testing zones, the loading platform being arranged to first receive the liquid sample before distributing the liquid sample amongst the respective testing zones; wherein each testing zone comprises; a hydrophilic portion; and a pair of electrodes which is bridged, in use, by the liquid sample in a testing zone.
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13. A sampling plate, comprising:
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a sample zone for receiving a liquid sample; an air porous body which is in fluid communication with the sample zone; and at least one pair of electrodes arranged to permit an electrochemical measurement to be taken in respect of the liquid sample, wherein the air porous body is arranged to receive air displaced from the sample zone as the liquid sample is received into the sample zone.
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Specification