Enzyme-linked immunoassay kit and method for furaltadone metabolite detection
A technology of furaltadone and its metabolites, applied in the field of enzyme-linked immunoassay, can solve cancer and other problems
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Embodiment 1
[0041] Example 1: Preparation of antigen, antibody and enzyme-labeled anti-antibody
[0042] 1. Preparation of furaltadone metabolite hapten
[0043] Add the mixture of 2.01g furaltadone metabolite (AMOZ) and 20ml DMF slowly at room temperature to 50-100ml DMF solution of 2.68-5.36g terephthalaldehyde, and react at room temperature to 60°C for 2-4 hours, the solvent was removed, and purified by column chromatography to obtain light yellow AMOZ derivatives.
[0044] 2. Synthesis of Immunogen
[0045] (1) Dissolve 14 mg of furaltadone metabolite hapten in 1 ml of DMF to obtain solution 1.
[0046] (2) Dissolve 40 mg of BSA in 6 ml of water to obtain solution 2.
[0047] (3) Add solution 1 dropwise to solution 2 to obtain solution 3, and react at room temperature for 24 hours.
[0048] (4) Take NaBH 4 14mg was dissolved in 0.2ml 0.1M NaOH and added to solution 3, and reacted at 4°C for 2h.
[0049] (5) Dialyze with 0.01mol / l PBS at 4°C for 3 days and change the dialysate 3 ...
Embodiment 2
[0070] Example 2: The composition of the components of the furaltadone metabolite ELISA kit
[0071] Set up furaltadone metabolite ELISA kit, including the following components:
[0072] (1) A microtiter plate coated with a coating source.
[0073] (2) Enzyme-labeled anti-antibody: horseradish peroxidase-goat anti-mouse anti-antibody.
[0074] (3) Working solution of monoclonal antibody to furaltadone metabolite.
[0075] (4) Standard solution: The standard solution was prepared by gradient dilution method, and 6 bottles of series standard products were obtained, the concentrations were 0 μg / L, 0.05 μg / L, 0.15 μg / L, 0.45 μg / L, 1.35 μg / L, 4.05 μg / L, and high concentration standard 100μg / L, 1mL / bottle.
[0076] (5) The substrate chromogenic solution A is a carbamide peroxide solution, and the substrate chromogenic solution B is a tetramethylbenzidine solution.
[0077] (6) The stop solution is 1-2 mol / L sulfuric acid solution.
[0078] (7) The concentrated washing solution ...
Embodiment 3
[0081] Example 3: Detection of furaltadone metabolites in samples
[0082] 1. Pretreatment of samples
[0083] (1) Pretreatment method of tissue (muscle, liver and aquatic products) samples
[0084] Weigh 1.0 g of homogeneous substance, add 4 ml of deionized water, 0.5 ml of 1M hydrochloric acid solution (weigh 8.3 ml of concentrated hydrochloric acid and add deionized water to make up to 100 ml) and 100 μl of derivatization reagent (into a solution containing 2-nitrobenzaldehyde Add 10ml of methanol to the reagent bottle to dissolve and mix (concentration is 10mM)), shake fully with a shaker for 2min; incubate overnight at 37°C (about 16h); add 5ml of 0.1M dipotassium hydrogen phosphate solution (weigh 22.8g of trihydrate Dipotassium hydrogen phosphate plus 1L deionized water to dissolve and mix), 0.4ml 1M sodium hydroxide solution (weigh 4.0g sodium hydroxide and 100ml deionized water to dissolve and mix), and 5ml ethyl acetate, shake vigorously for 30s with a shaker ; Abo...
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Abstract
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Application Information
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