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Multi-zone Analyte Test Sensors

A sensor and analyte technology, which can be used in the analysis of materials, the determination/inspection of microorganisms, and material analysis by electromagnetic means, which can solve problems such as chemical pollution and trouble.

Active Publication Date: 2017-08-18
ASCENSIA DIABETES CARE HLDG AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A disadvantage common to these systems is the single sample chamber where adjacent electrode systems / detection areas may chemically contaminate each other due to diffusion and / or liquid movement
This disadvantage is especially troublesome when one reagent system requires a longer assay time than the other and / or when the test sensor is mechanically disturbed after filling the sample

Method used

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  • Multi-zone Analyte Test Sensors
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  • Multi-zone Analyte Test Sensors

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Embodiment Construction

[0061] The present invention discloses a biosensor system, which includes a test sensor having at least three independently addressable analysis areas. Each analysis area includes conductors or electrodes and can be substantially chemically isolated. Thus, the working electrode and the counter electrode of the electrode pair can exist in a substantially chemically isolated environment. The working electrode can be combined with more than two counter electrodes, where each counter electrode exists in a substantially chemically isolated environment. Thus, the system may include at least two counter electrodes operating at different potentials. The independent addressability of the substantially chemically isolated analysis area provides multipotential electrochemical analysis.

[0062] By working at more than one potential, samples containing multiple analytes can be analyzed. Multiple independent analyses of the same analyte can be performed to increase the accuracy and / or prec...

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Abstract

The present invention discloses a biosensor system comprising a measurement device and a test sensor comprising at least three independently addressable electrodes, wherein at least two electrodes are substantially chemically isolated. More than one working electrode can be combined with two or more counter electrodes. More than two counter electrodes can work at different potentials for multi-analyte electrochemical analysis. The present invention provides analytical methods for electrochemical analysis of multiple analytes and provides test sensors that prevent chemical mixing between secondary analysis zones.

Description

[0001] Cross reference of related documents [0002] This application claims the priority of US Provisional Application No. 60 / 974,823 entitled "Multipotential Biosensor, System and Method" filed on September 24, 2007, the entire content of which is incorporated herein by reference. Background technique [0003] Biosensors provide the analysis of biological fluids, such as whole blood, serum, plasma, urine, saliva, interstitial fluid, or intracellular fluid. Generally, the biosensor has a measuring device that analyzes the sample present in the test sensor. The sample is usually in liquid form and can be not only a biological fluid, but also a derivative of biological fluid such as an extract, dilution, filtrate, or regenerated sediment. The analysis performed by the biosensor determines the presence and / or concentration of one or more analytes, such as alcohol, glucose, uric acid, lactic acid, cholesterol, bilirubin, free fatty acids, glycerin in biological fluids Triester, prot...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/327
CPCC12Q1/001G01N27/3272G01N27/3274
Inventor 伍焕平钟卫平约斯夫·佩里埃里克·莫勒郑成权
Owner ASCENSIA DIABETES CARE HLDG AG