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Viability of MDA-MB-231 cells (A) and human umbilical vein endothelial cells (B) after incubation with doxorubicin-loaded HMSN, pHMSN, or tHMSN, or free doxorubicin for 48 hours (n=4).
Abbreviations: DOX, doxorubicin; HMSN, hollow mesoporous silica nanoparticles; tHMSN, tLyp-1 and polyethylene glycol co-modified HMSN; pHMSN, polyethylene glycol-modified HMSN.
