Preparation method of particle size adjustable mesoporous metal organic framework nanomaterial and nanomaterial prepared by method
A technology of metal-organic frameworks and nanomaterials, applied in nanotechnology, nanomedicine, nanotechnology, etc., can solve problems such as low adsorption capacity, inability to efficiently load protein molecules, and restrictions on enzyme volatile activity, and achieve adjustable particle size, The effect of excellent loading performance and good biocompatibility
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Embodiment 1
[0061] see figure 1 , at room temperature,
[0062] a. Set the molar weight to 3.43×10 -4 Zirconium tetrachloride (ZrCl 4 ) and 1.2×10 -2 Lauric acid (DA) was ultrasonically dissolved in 20 mL of N,N-dimethylformamide (DMF); then the molar mass was 1.72×10 -4 The terephthalic acid is added in the above solution, ultrasonically dissolved;
[0063] b. The molar weights are (0~6.88×10 -4 ) in triethylamine solution (TEA);
[0064] Add 0 molar amount of solution b into solution a, mix well, and after ultrasonication for 10 minutes, place the resulting mixture in an oven at 120°C for 48 hours. After centrifugation, washing and drying, the precursor of mesoporous metal-organic framework nanomaterials (meso-UiO-66-as) is obtained;
[0065] Next, the mesoporous metal-organic framework nanomaterial precursor (meso-UiO-66-as) was dispersed in a mixed solution of N,N-dimethylformamide and concentrated hydrochloric acid, and the operation was repeated several times to obtain Mesop...
Embodiment 2
[0067] Implementation method and basic formula are identical with embodiment 1, only change triethylamine molar weight is 1.72 * 10 -4 , to obtain a mesoporous metal-organic framework nanomaterial (meso-UiO-66-200) with a particle size of 200 nm.
Embodiment 3
[0069] Implementation method and basic formula are identical with embodiment 1, only change triethylamine molar weight is 3.44 * 10 -4 , to obtain a mesoporous metal-organic framework nanomaterial (meso-UiO-66-120) with a particle size of 120 nm.
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