Table 1.
NPs | Material | Size (nm) | Surface functional group | Toxicity | Cholesterol-dep uptake | Protein corona effect | Cell compartmentalization |
---|---|---|---|---|---|---|---|
MPS | Mesoporous silica | 10 | None | No | Yes | No | Lysosome → cytosol |
MPS | Mesoporous silica | 50 | None | No | Yes | No | Lysosome |
MPS | Mesoporous silica | 50 | −NH2 | No | Yes | ND | Lysosome |
MPS | Mesoporous silica | 50 | −COOH | No | Yes | ND | Lysosome |
PS | Polystyrene | 1000 | −NH2 | Yes | ND | ND | Lysosome |
PS | Polystyrene | 50 | −NH2 | Yes | ND | ND | Lysosome |
PS | Polystyrene | 30 | −COOH | No | No | Yes | Recycling vesicles |