Polymer functionalized modified mesoporous carbon nanoparticles and preparation and application thereof
A nanoparticle and mesoporous carbon technology, applied in the field of medicine, can solve the problems of reducing the affinity between nanoparticles and cell membranes, and limiting the absorption of nanoparticles by epithelial cells
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Embodiment 1
[0062] Weigh an appropriate amount of HPMA and MA-GG-OH and dissolve them in absolute ethanol so that the total amount of reactants accounts for 12.5wt% of the system, and the molar ratio of HPMA to MA-GG-OH is 4:1. Then add 2wt% AIBN to the above system, and react at 50° C. for 24 hours. After the reaction, the product was purified by dialysis and lyophilization to obtain pHPMA with a molecular weight of 49.8kDa and a PDI of 1.42.
Embodiment 2
[0064] Weigh an appropriate amount of HPMA and MA-GG-OH and dissolve them in absolute ethanol so that the total amount of reactants accounts for 10wt% of the system, and the molar ratio of HPMA to MA-GG-OH is 6:1. Then add 3wt% AIBN to the above system, and react at 50° C. for 24 hours. After the reaction, the product was purified by dialysis and lyophilization to obtain pHPMA with a molecular weight of 48.5 kDa and a PDI of 1.76.
Embodiment 3
[0066] Weigh an appropriate amount of HPMA and MA-GG-OH and dissolve them in absolute ethanol so that the total amount of reactants accounts for 15wt% of the system, and the molar ratio of HPMA to MA-GG-OH is 8:1. Then add 4wt% AIBN to the above system, and react at 50° C. for 24 hours. After the reaction, the product was purified by dialysis and lyophilization to obtain pHPMA with a molecular weight of 45.2 kDa and a PDI of 1.57.
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