| 摘要 |
The present invention relates to a sensor device for measuring a level of an analyte of interest in a fluid, such as body fluid (for example blood, plasma, urine, interstitial fluid, saliva), a method of manufacturing a sensor device, a reagent film for use in a sensor, a method of manufacturing a reagent film for use in a sensor, a method of conducting an assay using a sensor, a method of calibrating a measurement from a sensor, a method of calibrating a batch of sensors, a meter for use with a sensor and a kit comprising a meter and a sensor according to the invention. A first aspect of the invention provides a sensor device for measuring a level of an analyte of interest In a fluid comprising: a flowpath for the fluid; on the flowpath, a reagent for the analyte of interest adjacent to an internal standard comprising a first predetermined amount of a first calibration analyte; and further wherein the reagent and the predetermined amount of a first calibration analyte are in dry form. A second aspect of the invention provides a device comprising: a first calibration electrode having the first predetermined amount of first calibration analyte and reagent for the analyte of interest located thereon; a first working electrode having reagent for the analyte of interest thereon, and further wherein the first calibration electrode lies upstream of the first working electrode.
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