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Monoclonal antibody protection solution and its preparation method and application, reagents and immunohistochemical kits for applying monoclonal antibody protection solution

A monoclonal antibody and protective solution technology, applied in biological testing, instruments, measuring devices, etc., can solve problems such as high cost, poor antibody stability, and inability to accurately guide diagnosis

Active Publication Date: 2022-02-11
LIAONING MEDI BIOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the detection methods of N1, N12-diacetylspermine mainly include enzyme-linked immunoassay, colloidal gold method, and immunoturbidimetric method. The risk of bowel cancer is mainly used for early screening, and what is obtained is a probability of disease, which cannot accurately guide the diagnosis
However, the detection method applied to N1, N12-diacetylspermine monoclonal antibody is expensive, and the antibody stability is poor, so it cannot be stored for a long time

Method used

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  • Monoclonal antibody protection solution and its preparation method and application, reagents and immunohistochemical kits for applying monoclonal antibody protection solution
  • Monoclonal antibody protection solution and its preparation method and application, reagents and immunohistochemical kits for applying monoclonal antibody protection solution
  • Monoclonal antibody protection solution and its preparation method and application, reagents and immunohistochemical kits for applying monoclonal antibody protection solution

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preparation example Construction

[0072] The present invention also provides the preparation method of the above monoclonal antibody protective liquid, the preparation method comprising: each of the components of the acquired equivalent is aqueous solution to obtain the monoclonal antibody protector.

[0073] The method is simple, easy to operate, and the preparation of the obtained monoclonal antibody protective liquid is stable, and the antibody titer can be effectively maintained.

[0074] In some specific embodiments, the preparation method of the above monoclonal antibody protective liquid is as follows:

[0075] (a) 10mmol / L PBS

[0076] Mother liquor configuration: 371.6G NA 2 HPO 4 -12h 2 O, dissolve in 1000 ml of water, 5.2 m mother liquor;

[0077] Take 50ml of 0.2 M mother liquor, add water to 1000ml;

[0078] (b) 1 ‰ TWEEN20

[0079] Weigh 1 g tween20, soluble in 1000 ml 10 mmol / l PBS;

[0080] (c) 5% -10% goat serum (bovine serum)

[0081] Take 50-100ml of goat serum in 1000 ml 10 mmol / l PBS;

...

Embodiment 1

[0122] This example provides a monoclonal antibody of N1, N12-acetyl amine amine, including:

[0123] 5mmol / l PBS, 2 ‰ (w / v) Tween 20, 1% (V / V) serum, 10% (w / v) trehalose, 0.1 ‰ (v / v) prolin, 2% (w / v) glycerin 0.1% (w / v) 6-amino acetic acid, 80 mmol / l EDTA and 0.1% (w / v) Casein-Na.

Embodiment 2

[0125] This example provides a monoclonal antibody of N1, N12-acetyl amine amine, including:

[0126] 15mmol / l PBS, 0.1 ‰ (w / v) Tween20, 15% (V / V) serum, 1% (w / v) trehalose, 2 ‰ (v / v) prolin, 0.5% (w / v) glycerin 1% (w / v) 6-amino acetic acid, 20 mmol / l EDTA and 0.5% (w / v) casein-Na.

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Abstract

The invention provides a monoclonal antibody protection solution and its preparation method and application, reagents and immunohistochemical kits using the monoclonal antibody protection solution, and relates to the technical field of biological detection. The N1, N12-diacetylspermine provided by the invention Monoclonal Antibody Protection Solution, including PBS, Tween20, Serum, Trehalose, Prolin, Glycerol, 6‑Glycine, EDTA, and CASEIN‑Na. Through the interaction between specific components and ratios, its properties are stabilized, N1, N12-diacetylspermine monoclonal antibodies maintain good titers, and the validity period of monoclonal antibodies is extended, thereby effectively saving costs. role. The immunohistochemical kit provided by the present invention is low in cost, has good specificity and reliability, can accurately detect the level of N1, N12 diacetylspermine in pathological sections, and provides a qualitative and quantitative test for diacetylspermine. a more reliable method.

Description

Technical field [0001] The present invention relates to the field of biological detection, and more particularly to a monoclonal antibody protective fluid and a preparation method and an application of a monoclonal antibody protective liquid to an immunohardification kit. Background technique [0002] Malignant tumors have biological characteristics such as cell differentiation and proliferation, growth loss control, infiltration, and metastases, which occurs a multi-step complex process. In a global scale, intestinal cancer is the third common malignant tumor, the cause of onset is complex, and is more related to the patient's eating habits and potential hereditary diseases. At present, the treatment of intestinal cancer includes surgical, chemotherapy, radiotherapy, and targeted treatment. In patients with intestinal cancer, the tumor cells are only limited to the inner wall of the colon, then by surgery, the cure rate is high. However, once the transfer of tumor cells increase...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/577G01N33/531G01N33/68
Inventor 李文欣
Owner LIAONING MEDI BIOTECH CO LTD