Fluorescent latex immunochromatography detection reagent for detecting falciparum malaria and preparation method thereof
A technology of immunochromatography detection and fluorescent glue, which is applied in the field of disease detection, can solve the problems of complex equipment and instruments, cannot be reused, and cumbersome operation, and achieves the effect of low cost and easy operation
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Embodiment 1
[0022] A fluorescent latex immunochromatographic detection reagent for detecting falciparum malaria, which is composed of a glass fiber sample pad 1, a glass fiber bonding pad 2, a nitrocellulose reaction membrane 4 and a water-absorbing paper 6 which are successively overlapped and pasted and fixed on a PVC base plate 7, The PVC bottom plate 7 is cut flat, with a thickness of 0.2mm, a length of 7.0cm, and a width of 4mm. A detection line 3 is provided at a distance of 1.75cm from one end of the nitrocellulose reaction membrane 4 that is adjacent to the bonding pad 2, and the A quality control line 5 is provided at a distance of 0.65 cm from the detection line 3, and the binding pad 2 is coated with a fluorescent latex-labeled anti-HRP-2 monoclonal antibody at a concentration of 0.4 mg / ml, and the binding pad is also coated with Covered with fluorescent latex-labeled anti-rabbit IgG, the concentration is 0.2mg / ml, the detection line 3 is coated with anti-HRP-2 monoclonal antibo...
Embodiment 2
[0024] A fluorescent latex immunochromatographic detection reagent for detecting falciparum malaria, which is composed of a glass fiber sample pad 1, a glass fiber bonding pad 2, a nitrocellulose reaction membrane 4 and a water-absorbing paper 6 which are successively overlapped and pasted and fixed on a PVC base plate 7, The PVC bottom plate 7 is cut flat, with a thickness of 0.2mm, a length of 7.0cm, and a width of 4mm. A detection line 3 is provided at a distance of 1.75cm from one end of the nitrocellulose reaction membrane 4 that is adjacent to the bonding pad 2, and the A quality control line 5 is provided at a distance of 0.65 cm from the detection line 3, and the binding pad 2 is coated with a fluorescent latex-labeled anti-HRP-2 monoclonal antibody at a concentration of 1.0 mg / ml, and the binding pad is also coated with Coated with fluorescent latex-labeled anti-rabbit IgG, the concentration is 0.4mg / ml, the detection line 3 is coated with anti-HRP-2 monoclonal antibod...
Embodiment 3
[0026] A preparation method of a fluorescent latex immunochromatography detection reagent for detecting falciparum malaria is as follows:
[0027] (1) Prepare the binding pad according to the following steps:
[0028] a) Preparation of labeling washing solution: add 2% BSA to 0.01 MPBS solution with a pH value of 7.5, and store at 2-8°C for later use.
[0029] b) Preparation of latex cross-linking agent: add 50 mg / ml EDC (carbodiimide) solution into 0.05 MPBS solution buffer with pH value of 7.5, and prepare it immediately for use.
[0030] c) Preparation of latex preservation solution: Mix 1% BSA, 0.5% skimmed milk, 0.05% NaN3, 0.1% Tween-20 and 0.01MPBS solution with a pH value of 7.5, and place at 2-8°C for later use.
[0031] d) Activation of fluorescent latex: add 1 ml of latex cross-linking agent to every 10 ml of fluorescent latex, react at room temperature for 1 hour, centrifuge for 15 min, and centrifuge repeatedly 3 times with 0.05 MPBS.
[0032] e) Preparation of ...
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