Fluorescent immunochromatography quantitative analyzer and method

Abstract

The invention discloses a fluorescent immunochromatography quantitative analyzer and a method. The analyzer includes a controller, a signal processing circuit and a fluorescent immunoassay optical detection module. The fluorescent immunoassay optical detection module comprises a light source, a first planoconvex lens, a silicon photocell, a dichroic mirror, a second planoconvex lens, an aperture diaphragm and a test strip. The controller is connected to a control terminal of the light source; the light emitted by the light source is reflected by the dichroic mirror, passes through the first planoconvex lens, and irradiates on an object to be measured on the test strip; the light irradiating on the object to be measured is divided into two parts, one part is absorbed by the object to be measured, and the other part of is reflected by the object to be measured, and passes through the first planoconvex lens, the dichroic mirror, the second planoconvex lens and the aperture diaphragm, and irradiates on a photosensitive surface of the silicon photocell; the signal output end of the silicon photocell is connected to a input end of the signal processing circuit; and the output end of the signal processing circuit is is connected with the input end of the controller. The invention can realize the quantitative detection of the fluorescent immunochromatography, and the cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of quarantine detection, and relates to a fluorescent immunochromatography quantitative analysis instrument and method. Background technique [0002] Fluorescence immunochromatography is easy to operate, fast, and has high specificity and sensitivity. It will inevitably replace colloidal gold immunochromatography and be extended to clenbuterol hydrochloride, ractopamine, salbutamol, melamine, chlorine, etc. Escherichia coli, foot-and-mouth disease, blue ear disease, avian influenza virus, Newcastle disease virus and other animal diseases and toxins such as zearalenone, aflatoxin and vomitoxin field of security testing. According to current market research, manufacturers of original colloidal gold test strips in the Yangtze River Delta and the Pearl River Delta have invested in technical strength to prepare for the transformation from qualitative analysis of colloidal gold to quantitative fluorescence analys...

AI Technical Summary

Problems solved by technology

For example, Shenzhen Wondfo has independently developed the "Flying Test" series of detectors, which are equipped with fluorescent detection test strips to detect cardiac troponin and other indicators, which are very popular in the market, but the accuracy is slightly poor; The sales of test strips are too high and the market competitiveness is low; there are more test strip manufacturers, limited by the lack of suitable fluorescence quantitative analyzers, delaying the launch of products, and delaying precious opportunities

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