Figure 1
From: Effects of ultrafine particles-induced oxidative stress on Clara cells in allergic lung inflammation
Experimental groups (left) and designation (right). EC, 24 h exposure to elemental carbon UFP (507 μg/m3); open arrows, 2× intraperitoneal injection with N-acetylcysteine; black triangle, OVA aerosol challenge; ↓, sacrifice, BAL, histology and electron microscopy. S, sensitized; NS, non sensitized; OVA, challenged with aerosolized OVA; UFP, exposed to EC-UFP.