Fig. 1 | Nature Communications

Fig. 1

From: Plasmonic silver nanoshells for drug and metabolite detection

Fig. 1

Schematic workflow and material characterization. Schematic diagrams of a experimental workflow and b LDI MS process using SiO2@Ag nanoshells as matrix. Electron micrograph images of c SiO2@Ag-1, d SiO2@Ag-2, e SiO2@Ag-3, and f SiO2@Ag-4, including TEM images of particles and HRTEM showing silver crystal lattice (inset of c), and SEM images of particles. g average size distributions of SiO2 and SiO2@Ag particles in water by DLS; h elementary composition analysis of SiO2 and SiO2@Ag particles; i UV-Vis absorption spectra of SiO2 and SiO2@Ag particles. Scale bars: 50 nm (TEM); 150 nm (SEM)

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