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. Author manuscript; available in PMC: 2022 Nov 28.
Published in final edited form as: Langmuir. 2020 Jun 11;36(24):6626–6634. doi: 10.1021/acs.langmuir.0c00320

Figure 1.

Figure 1.

Fluorophores and targeting peptides in relation to the lipid droplet shell. DiI (left) was used as a marker for DSPC, the primary or “bulk” lipid present on the droplet shell. Alexa Fluor (AF) 488 (center) was used as a marker for PEGylated lipids. For the binding assay experiments, a cyclic RGD peptide (right) was covalently linked to the terminal maleimide of the PEGylated lipids. The orientation of the markers and targeting peptide with respect to the lipid shell is shown. The 2000 molecular weight PEG chain is bolded. The shell composition is not to scale; the true ratio of DSPC to PEGylated lipids was 90:10 mol % for all droplets.