Ultra-sensitive C reactive protein detection kit and using method thereof
A technology for detection kits and reactive proteins, which is applied in biological testing, analysis by chemical reaction of materials, measurement devices, etc. The effect of promoting application, improving detection speed and improving specificity
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Embodiment 1
[0054] Example 1 Preparation of Enzyme Conjugate
[0055] 1. Weigh 3mg of Traut's reagent, and prepare a solution with a concentration of 1.376mg / mL with 100mmol / L triethanolamine buffer solution (pH=8.5±0.05); weigh 0.5mg of hypersensitive C-reactive protein-labeled antibody, and use 100mmol / L triethanolamine buffer solution (pH=8.5 ± 0.05) is prepared into a solution with a concentration of 2mg / mL, and to it, adding a concentration of 1.376mg / mL of Traut's solution, hypersensitive C-reactive protein-labeled antibody and Traut The molar ratio of 's reagent is 1:15, mix immediately, and react at room temperature for 15 minutes. Add the glycine solution of 1mmol / L, the amount of substance of glycine is 10 of the amount of 4-(N-maleimidomethyl) cyclohexane-1-carboxylic acid sulfosuccinimide ester sodium salt substance times, mix immediately, and react at room temperature for 10 minutes. Desalted and replaced with 100 mmol / L triethanolamine cross-linking buffer (pH=7.3±0.05). ...
Embodiment 2
[0060] Example 2 Preparation of Enzyme Conjugate
[0061] 1. Weigh 3mg of Traut's reagent, and prepare a solution with a concentration of 1.3mg / mL with 100mmol / L triethanolamine buffer (pH=8.5±0.05); weigh 0.5mg of hypersensitive C-reactive protein-labeled antibody, and use 100mmol / L triethanolamine buffer solution (pH=8.5 ± 0.05) was prepared into a solution with a concentration of 5mg / mL, and to it was added a concentration of 1.3mg / mL Traut's solution, the hypersensitive C-reactive protein-labeled antibody and Traut The molar ratio of 's reagent is 1:10, mix immediately, and react at room temperature for 12 minutes. Add the glycine solution of 1mmol / L, the amount of substance of glycine is 20% of the amount of 4-(N-maleimidomethyl) cyclohexane-1-carboxylic acid sulfosuccinimide ester sodium salt substance times, mix immediately, and react at room temperature for 12 minutes. Desalted and replaced with 100 mmol / L triethanolamine cross-linking buffer (pH=7.3±0.05).
[0062]...
Embodiment 3
[0066] Example 3 Preparation of Enzyme Conjugate
[0067] 1. Weigh 3mg of Traut's reagent, and prepare a solution with a concentration of 1.5mg / mL with 100mmol / L triethanolamine buffer solution (pH=8.5±0.05); weigh 0.5mg of hypersensitive C-reactive protein-labeled antibody, and use 100mmol / L triethanolamine buffer solution (pH=8.5 ± 0.05) was prepared into a solution with a concentration of 2.5mg / mL, and to it was added a concentration of 1.5mg / mL Traut's solution, the hypersensitive C-reactive protein-labeled antibody and The molar ratio of Traut's reagent was 1:15, mixed immediately, and reacted at room temperature for 18 minutes. Add the glycine solution of 1mmol / L, the amount of substance of glycine is 15% of the amount of 4-(N-maleimidomethyl) cyclohexane-1-carboxylic acid sulfosuccinimide ester sodium salt substance times, mix immediately, and react at room temperature for 10 minutes. Desalted and replaced with 100 mmol / L triethanolamine cross-linking buffer (pH=7.3±0.0...
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