Antibody joint detection kit containing porcine pseudorabies virus gD and gE proteins and preparation method and application thereof
A porcine pseudorabies and kit technology, which is applied in the field of biomedicine, can solve the problems of inaccurate quantification of detection results, time-consuming operation and calculation, and increased labor intensity of breeding, so as to improve the convenience and accuracy of operation, easy operation, and avoid Effects of data processing and mass data analysis
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Embodiment 1
[0073] Embodiment 1 Preparation of raw materials of porcine pseudorabies virus gD, gE protein antibody-linked detection kit
[0074] 1.1 Preparation and identification of porcine pseudorabies virus gD protein
[0075] According to CN105251000A patent, the PRVgD protein was prepared, and the recombinant PRVgD protein was obtained after purification with Ni affinity chromatographic column. The obvious protein band was identified at about 50KDa by SDS-PAGE, and the purity was 94% after analysis; it was determined by BCA kit Protein content, the result is 5.6mg / ml.
[0076] 1.2 Preparation and identification of porcine pseudorabies virus gE protein
[0077] 1.2.1 Amplification of porcine pseudorabies virus gE gene
[0078] Inoculate PRV HN1201 strain virus (porcine pseudorabies virus strain is HN1201 strain (Pseudorabies virus, strain HN1201)) on the well-growing PK15 cells, and the preservation number is CCTCC NO.V201311, preserved in the China Type Culture Collection Center, a...
Embodiment 2
[0109] Example 2 Preparation of porcine pseudorabies virus gD, gE protein antibody dual detection kit
[0110] 2.1 Preparation of sample solution
[0111] Preparation of 5% glycerin solution: Accurately weigh 5.00g of glycerin, put it in a 100ml volumetric flask, add a small amount of purified water and rotate gently to dissolve fully, avoid excessive air bubbles, add purified water to the scale line, turn up and down and shake for 10 time, spare;
[0112] Preparation of 5% sorbitol solution: Accurately weigh 5.00g of sorbitol, put it in a 250ml beaker, add an appropriate amount of purified water and stir to dissolve it completely, then completely transfer it to a 100ml volumetric flask, add purified water to the scale line, turn it up and down Shake 10 times, set aside;
[0113] Preparation of 0.05% Triton solution: Measure 50 μl Triton with a pipette gun and put it in a 100ml volumetric flask, add an appropriate amount of purified water to dissolve it completely, add purif...
Embodiment 3
[0174] Example 3 Preparation of Porcine Pseudorabies Virus gD, gE Protein Antibody, Hog Fever Virus E2 Protein Antibody Triple Detection Kit
[0175] 3.1 Selection of swine fever virus E2 protein coating amount
[0176]As shown in Example 2.1, the classical swine fever virus E2 protein of Example 1 was diluted to an appropriate concentration with the spotting solution, and the spotting volume was 20 nl, so that the final contents of the classical swine fever virus E2 protein spotted on the membrane were as shown in Table 3 respectively. , everything else remains unchanged. Use P3, N serum to detect according to the method of embodiment 2.2, the result (see Table 9): PRVgD, PRVgE under the situation that the coating amount is constant detects all negative (table 9 does not reflect); N / P3 is in CSFV E2 bag When the coating amount is low, the value is small, and when the coating amount of CSFV E2 reaches 0.4ng / point or more, the data is significantly improved, and the size of th...
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