Method of purifying alpha corn gibberellol and its metabolic substance and immune affinity chromatographic column
A technology for zearalenol and zearalenol, which is applied in the field of purifying alpha-zearalenol and its metabolites, can solve the problems of excessive waste of organic solvents, cumbersome treatment process, poor purification effect, etc. The effect of simplification, good purification, and improved analysis quality
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Embodiment 1
[0026] Embodiment 1, the preparation of the immunochromatographic column of purifying α-zearalenol and / or β-zearalenol and / or zearalenol and / or α-zearalenol
[0027] 1. Preparation of α-zearalanol mouse monoclonal antibody
[0028] Synthesis of hapten: react α-zearalenol with succinic anhydride to obtain ZER-7-hemisuccinate, which is α-zearalenol hapten. The specific steps are as follows:
[0029] 1) Take 520 mg of α-zearalanol and 480 mg of succinic anhydride, dissolve them in 20 ml of pyridine, and heat to reflux for 4 hours under a nitrogen atmosphere.
[0030] 2) The reaction product of step 1) was evaporated under reduced pressure, the residue was dissolved in ethyl acetate, then washed 3 times with 0.5 mol / L sulfuric acid, and the aqueous phase was discarded to obtain an organic phase.
[0031] 3) The organic phase obtained in step 2) was extracted 3 times with a saturated sodium carbonate solution, and the aqueous phase was retained, and washed 3 times with ethyl acet...
Embodiment 2
[0058] Example 2, Preparation of the kit of immunochromatographic column coupled with mouse monoclonal antibody and its purification effect on α-zearalanol
[0059] 1. Preparation of a kit for purifying α-zearalenol and / or β-zearalenol and / or zearalenol and / or α-zearalenol
[0060] It is mainly composed of a box body, an immunochromatographic column (IAC column), a standard α-zearalanol reagent, a washing solution, an eluent, a preservation solution, and a sponge bracket. The sponge bracket is provided with holes and grooves. In the groove of the sponge bracket, there are reagent bottles containing standard α-zearalanol reagent, washing solution, eluent, and preservation solution, and the hole of the sponge bracket is equipped with an IAC column. Wherein the immunochromatographic column prepared in Example 1 is coupled with monoclonal hybridoma cells with cross-reactivity to α-zearalenol, β-zearalenol, zearalenol and α-zearalenol Immunochromatographic column of monoclonal ant...
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