Figure 1From: Arthritis imaging using a near-infrared fluorescence folate-targeted probeImmunoperoxidase staining of (a) Mac-3 and (b) folate receptor (FR) at an arthritic ankle 72 hours after lipopolysaccharide induction. The Mac-3-positive and FR-positive cells morphologically correlated well in adjacent tissue sections. Magnification, 400 ×.Back to article page