Hydrophobic magnetic mesoporous microsphere as well as preparation method and application thereof
A hydrophobic and magnetic technology, used in the preparation of microspheres, the preparation of peptides, magnetic materials, etc.
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[0032] Hydrothermal Synthesis of Magnetic Inorganic Nanoparticles: 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 heating at 200 °C The reaction was heated for 12 h to obtain ferroferromagnetic inorganic nanoparticles; the product was washed and dried in vacuum at 60 °C for 12 h.
[0033] Preparation of magnetic mesoporous microsphere nanoparticles: Mix ferroferric oxide magnetic inorganic nanoparticles with CTAB at a ratio of 1 mg / 10 mg, dissolve in 50 mL of aqueous solution, sonicate, slowly add 30 mL of ethanol, and sonicate until there are no bubbles To generate, add 24 μL phenyltriethoxysilane and 96 μL n-silane tetraethyl ester, stir vigorously at 45 °C, then add 2 mL ammonia water, and react for 6 hours to obtain template-containing hydrophobic magnetic mesoporo...
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