Quantifying target molecules contained in a liquid
First Claim
1. A process for the detection and/or quantification of first biopolymers present in a liquid, having the following steps:
- a) provision of an electrode having a surface made of plastic which is coated with second biopolymers which have a specific affinity to the first biopolymers to be detected, b) bringing of the electrode into contact with the liquid, c) application of a pre-specified voltage program to the electrode, causing enrichment of the first biopolymers at the second biopolymers, d) addition of osmium tetroxide and bipyridine to the liquid, e) measurement of the redox signal falling off at the electrode.
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Abstract
The invention relates to a method for detecting and/or quantifying first biopolymers contained in a liquid involving the following steps: a) providing an electrode with a surface which is made of plastic and which is coated with second biopolymers that have a specific affinity to the first biopoymers to be detected; b) bringing the electrode into contact with the liquid; c) applying a predetermined voltage protocol to the electrode in order to effect a concentration of the first biopolymers on the second biopolymers; d) adding osmium tetroxide and bipyridine to the liquid, and; e) measuring the redox signal coming off the electrode.
29 Citations
12 Claims
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1. A process for the detection and/or quantification of first biopolymers present in a liquid, having the following steps:
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a) provision of an electrode having a surface made of plastic which is coated with second biopolymers which have a specific affinity to the first biopolymers to be detected, b) bringing of the electrode into contact with the liquid, c) application of a pre-specified voltage program to the electrode, causing enrichment of the first biopolymers at the second biopolymers, d) addition of osmium tetroxide and bipyridine to the liquid, e) measurement of the redox signal falling off at the electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification