G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 21/64 (2006.01) G01N 31/22 (2006.01) G01N 33/52 (2006.01) G01N 33/84 (2006.01)
Patent
CA 2084540
HOE 91/F 380 Abstract Measuring system for the determination of the concentra- tion of inorganic and organic compounds in a sample Measuring system for the determination of the concentra- tions of inorganic and organic compounds in a sample, having a sensor to be brought into contact with the sample, which sensor contains an optical fluorescent indicator which, upon excitation via an excitation light source, fluoresces as a function of the present concen- tration of the inorganic or organic compound to be detected. The measuring system is configured for measur- ing and evaluating the incoming radiation and the re- emitted fluorescent light. The measuring system comprises a sensor element to be brought into contact with the sample, said sensor element being composed of a polymer matrix which is prepared from a) a matrix component derived from one or more units of the formula I Image in which (I) R1- is hydrogen, deuterium or methyl; R2- and R3-, independently of one another, are hydrogen, deuterium or methyl, and the degree of polymerization n is an integer in the range from 80 to 2500, preferably from 200 to 2000; - - HOE 91/F 380 b) a dye component which is immobilized covalently on the acyl chloride groups of the matrix component, and c) one or more swelling components which are bound covalently at the remaining free acyl chloride groups of the matrix component.
Bargon Joachim
Groh Werner
Prass Werner
Stehlin Thomas
Zimmermann Andreas
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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