| ACD | allergic contact dermatitis |
| MSN | mesoporous silica nanoparticles |
| Th cells | T helper cells |
| TCR | T-cell receptor |
| IL-1β | interleukin-1β |
| IFN-γ | interferon-γ |
| His6 | the hexa-histidine peptides tag |
| CGA | chlorogenic acid |
| MSN-His6 | MSN coupling His6 tag |
| MSN-His6@CGA | CGA-loaded MSN-His6 |
| DEX | dexamethasone |