A kind of hydrophobic magnetic mesoporous microsphere and its preparation method and application
A hydrophobic and magnetic technology, applied in the preparation of microspheres, the preparation of peptides, magnetic materials, etc., to achieve the effect of strong specificity, good use value, and good magnetic field sensitivity
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[0031] Synthesis of magnetic inorganic nanoparticles by hydrothermal method: using 10.81 g of FeCl 3 ·6H 2 O, add 13.12 grams of sodium acetate as a dispersant, mix in 200 mL of ethylene glycol solution, add 2.058 grams of trisodium citrate dihydrate, then move the solution into a closed heating container, and carry out solvothermal reaction at 200 ° C , heated for 12 hours to obtain ferroferromagnetic inorganic nanoparticles; after the product was washed, it was vacuum-dried at 60° C. for 12 hours.
[0032] Preparation of magnetic mesoporous microsphere nanoparticles: Mix ferroferric oxide magnetic inorganic nanoparticles with CTAB at a ratio of 1mg / 10mg, dissolve in 50mL aqueous solution, ultrasonicate, slowly add 30mL ethanol, ultrasonicate until no bubbles are generated, add 24 μL of phenyltriethoxysilane and 96 μL of n-silane tetraethyl ester were vigorously stirred at 45°C, then 2 mL of ammonia water was added, and reacted for 6 hours to obtain template-containing hydro...
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