Mesoporous silica nanocarriers as accommodate drug molecule capsules were synthesized and capped by chitosan natural polymer. This nanocarrier acts as a pH-responsive shield to increase the solubility and improvement of anticancer properties of curcumin against U87MG glioblastoma cancer cell line. The encapsulation efficiency and drug-loading content were measured 88.1 ± 4.76% and 8.81 ± 0.47%, respectively. The curcumin release from the CS-MCM-41 was slow and sustained at low pH (42.72 ± 2.29%) compared to the environment pH (19.54 ± 1.36%) in 96 h. The MTT evaluations showed that IC50 after 72 h treatment with free curcumin and curcumin-loaded CS-MCM-41 were 15.20 and 5.21 μg/mL (p <0.05). respectively.
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Nasab et al. (2017) studied this question.
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