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Gold marked reagent quantitative determination device and method

A quantitative detection and reagent technology, which is applied in the field of medical immunodiagnostic analysis instruments, can solve problems such as the limitation of application range, and achieve the effects of improving detection sensitivity, rapid detection, and accurate detection results

Inactive Publication Date: 2007-11-28
上海凯创医药生物科技有限公司
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Problems solved by technology

[0003] Because the current colloidal gold immunochromatography reagent clinical test interpretation results mainly rely on visual inspection, colloidal gold immunochromatography generally can only be used for qualitative judgment, and the scope of application is greatly limited. The present invention provides a method that can The device for quantitative detection of gold-labeled reagents upgrades gold-labeled reagents from qualitative detection to quantitative detection. It has a wide range of applications and has great application value and technical value.

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  • Gold marked reagent quantitative determination device and method

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Embodiment Construction

[0025] As shown in Figure 1, the gold standard reagent quantitative detection device of the present invention comprises a microcomputer system and a scanning module connected thereto, a conversion module, a data storage module, a reagent strip slot, an IC card slot, a keyboard, an LCD display and a micro printer. Among them, the microcomputer system adopts 89C55MCU single-chip microcomputer. The scanning module is composed of scanning control circuit, mechanical transmission device and optical fiber probe, which can scan the reagent strips; the conversion module is composed of photoelectric converter and A / D converter. The color light signal is transmitted to the photoelectric converter and converted into an electrical signal. In order to make the detection result more accurate, a signal processing circuit is added to amplify the electrical signal and perform background compensation processing. The electrical signal is then passed through the A / D converter. converted to a digi...

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Abstract

The invention discloses a quantitative detection device of gold-labeled reagent, characterized in that it comprises microcomputer system and following parts connected with it comprising scanning module, transforming module, data storing module, reagent-strip slot, IC-card slot, keyboard, display and micro printer. Optical fiber probe transfers light reflected by reagent strip to photoelectric converter and the light is transformed into electric signal. After the electric signal passes through A / D converter it is transformed into digital signal. It is contrasted with standard curve in IC card to obtain the concentration value, store, display and print result. The invention discloses a measuring method for measuring gold-labeled strip by the device at the same time. The invention solves the shortage that gold-labeled reagent can not be used to quantitative detection but be used to qualitative detection. It not only obtains quantitative result but also can improve measuring sensitivity and objectivity of measuring result. It is provided with convenient usage and quick measurement.

Description

technical field [0001] The invention relates to a medical immunodiagnostic analysis instrument, in particular to a device capable of quantitatively detecting gold standard reagents, and also relates to a detection method using the device for detection. Background technique [0002] Colloidal gold immunochromatography is the most commonly used rapid analysis technique in biomedical testing at present. It is characterized by single-serve determination, simple and fast, and does not require any equipment except commercial reagents. It can be observed with naked eyes in a few minutes As a result, the storage time is long. The variety of colloidal gold immunochromatography reagents is also becoming more and more abundant. At present, there are nearly a hundred kinds. The product applications include detection of microorganisms, virus antigens or antibodies, hormone detection, tumor marker detection, drug heroin, morphine, ecstasy, and ketamine detection. Wait, it's developing ve...

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Application Information

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IPC IPC(8): G01N33/52G01N33/50G01N21/25
Inventor 张国华
Owner 上海凯创医药生物科技有限公司
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