Staphylococcus aureus enterotoxin detection kit and preparation and use methods thereof
The technology of a staphylococcus enterotoxin detection kit is applied in the field of immunodetection of Staphylococcus aureus enterotoxin, which can solve the problems of high specificity, long time period, weak specificity, etc. Simple operation and high sensitivity effect
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specific Embodiment approach 1
[0020] Specific embodiments 1. Preparation of monoclonal antibody against Staphylococcus aureus enterotoxin SEA
[0021] 1. Acquisition of immune spleen cells
[0022] 1.1 Immunization of animals
[0023] Select 6-week-old, female, BALB / C mice, mix and emulsify the SEA antigen with Freund's complete adjuvant in equal amounts, and inject it subcutaneously at multiple points in the abdomen with an immunization dose of 50 μg for basic immunization.
[0024] Before immunization, the blood was collected by docking the tail, and the serum was separated and stored at -20°C as the serum of normal control mice. After 4 weeks, the second immunization was carried out, the dose of antigen was the same as that of the basic immunization, the antigen was mixed and emulsified with Freund's incomplete adjuvant, and the mice were boosted with immunization. Every 4 weeks, the third immunization was carried out, and the immunization conditions were the same as the second time. On the 7th to 1...
specific Embodiment approach 2
[0044] Specific embodiment two, Staphylococcus aureus enterotoxin SEB monoclonal antibody preparation
[0045] Select 6-week-old, female, BALB / C mice, mix and emulsify SEB antigen with Freund's complete adjuvant in equal amounts, and inject it subcutaneously at multiple points in the abdomen with an immunization dose of 50 μg for basic immunization. Other steps are the same as in the specific example 1 for the preparation of SEA monoclonal antibody.
specific Embodiment 3
[0046] Specific Example 3. Enzyme-labeled Staphylococcus aureus enterotoxin SEA antibody
[0047] Dissolve 4mg of HRP in 1ml of water, add 0.2ml of 1M sodium periodate to make activated HRP; use 0.5MpH10CB to adjust the pH of the activated HRP to 9.5, take 2mg of Staphylococcus aureus enterotoxin SEA monoclonal antibody, and complete the dialysis.
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