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NP labeling strategy for PS and GM1. a) PS or GM1 are labeled using AnxV or CTB in combination with Biotin-Neutravidin binding chemistries. b) TEM images of fixed and negatively-stained VLPs after NP binding to PS. Scale bars are 40 nm. c) Relative Labeling efficiencies for different lipid-VLP combinations: PS-WT; PS-29/31KE, GM1-WT and control (lacking AnxV and CTB).
