Fig. 2

(A) SEM of Eugenol and Eu@DMSNs/Pec. (B) BET and Pore volume of DMSNs with different sizes before and after biocide loading. (C) Pore volume desorption curve of DMSNs and Eu@DMSNs/Pec. (D) XRD pattern of DMSNs and Eu@DMSNs/Pec. (E) FTIR spectroscopy of DMSNs and Eu@DMSNs/Pec. (F) UV–Vis absorption spectrum of DMSNs and Eu@DMSNs/Pec. (G) Zeta potential of DMSNs, eugenol, pectin, Eu@DMSNs/Pec and Eu@DMSNs/Pec-FITC