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. Author manuscript; available in PMC: 2023 Nov 29.
Published in final edited form as: ACS Appl Nano Mater. 2021 Nov 11;4(11):12073–12082. doi: 10.1021/acsanm.1c02623

Figure 2.

Figure 2.

(a) Scheme for synthesis of lipid-coated, hydrophobically-modified mesoporous silica shells on gold nanorods (LHMSiO2-AuNR). (b) TEM images of (i) gold nanorods (AuNR), (ii) silica coated gold nanorods (MSiO2-AuNR), (iii) hydrophobically modified silica coated gold nanorods (HSiO2-AuNR), and (iv) lipid-coated hydrophobically-modified silica coated gold nanorods (LHMSiO2-AuNR). (c) Photographs of biphasic reaction transfer of MSiO2-AuNR from the acidic methanol layer into the hexane layer through DDTS functionalization to HMSiO2-AuNR. (d) Normalized UV-Vis spectra of AuNR (black curve), MSiO2-AuNR (red curve), HSiO2-AuNR (blue curve), and LHMSiO2-AuNR (green curve). (e) Contact angle measurements of (i) AuNR, (ii) MSiO2-AuNR, (iii) HSiO2-AuNR, and (iv) LHMSiO2-AuNR.