Fig. 1From: Redox-Sensitive Gelatin/Silica-Aptamer Nanogels for Targeted siRNA DeliveryImages of Apt-GS (a, c) and Apt-GS/siRNA nanogels (b, d). a, b TEM images. Scale bars represent 0.5 μm. c, d Fluorescent images. Scale bars represent 5 μmBack to article page