Fig. 1From: Porphyrin Iron-Grafted Mesoporous Silica Composites for Drug Delivery, Dye Degradation and Colorimetric Detection of Hydrogen Peroxidea SEM images of SBA-15 and DOX/FeIX-SBA-15. b Small angel X-ray diffraction patterns of materials. Nitrogen adsorption isothermsĀ (c) and pore sizeĀ (d) of obtained materials: I SBA-15, II DOX/SBA-15, III FeIX-SBA-15 and IV DOX/FeIX-SBA-15Back to article page