Table S1.
Characterization of the nanoparticles
| Material | DLS size (nm) |
TEM size (nm) |
BET SA (m2/g) |
Pore volume (cm3/g) |
Pore size (nm) |
ζ potential (mV) |
DLS PDI |
|---|---|---|---|---|---|---|---|
| MSNs | 104 | 98 | 863 | 0.87 | 2.89 | −19.32 | 0.167 |
| NH2-MSNs | 121 | 116 | 798 | 0.76 | 2.65 | +16.55 | 0.234 |
| P-MSNs | 182 | 178 | 580 | – | – | +9.01 | 0.192 |
| DOX@P-MSNs | 191 | 189 | 557 | – | – | +6.17 | 0.217 |
Abbreviations: DLS, dynamic light scattering; TEM, transmission electron microscope; BET, Brunauer–Emmett–Teller; PDI, polydispersity index; MSN, mesoporous silica nanoparticle; SA, surface area; P-MSN, polyaspartic acid-anchored MCM-41-type MSN; DOX@P-MSN, doxorubicin-loaded polyaspartic acid-anchored MCM-41-type mesoporous silica nanoparticle.