Figure 1
From: Amino acids-incorporated nanoflowers with an intrinsic peroxidase-like activity

SEM of the hybrid organic–inorganic nanoflower prepared from Asn.
(a) SEM image of the nanoflowers; (b) a single nanoflower; (c) High-resolution SEM image of the porous structure of the petals; (d) the disordered fragments formed without Asn; the inset of (b) the Dahlia in nature.