Fig.1
From: Mesoporous silica coated spicules for photodynamic therapy of metastatic melanoma
a Preparation schematic diagram of mesoporous silica on the surface of SHS; b Length, diameter and specific surface area of mSHS and SHS. The data are presented as mean ± SD (n = 3). The symbol * indicates p < 0.05. c–j Characterization of SHS and mSHS. c, d TEM images of SHS and mSHS; c TEM images of SHS, d TEM images of mSHS. e–j SEM images of mSHS and SHS; e Panorama of mSHS, f Partial view of mSHS surface, g Section of mSHS, h Panorama of SHS, i Partial view of SHS surface, j Section of SHS