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Fig. 1 | Journal of Nanobiotechnology

Fig. 1

From: Surface charge modulation of rifampicin-loaded PLA nanoparticles to improve antibiotic delivery in Staphylococcus aureus biofilms

Fig. 1

Characterization of NPs functionalized by antibiotic and fluorophore loading and by cationic peptide adsorption. a Physicochemical characteristics (hydrodynamic diameter, PDI and zeta potential) and drug loading (loading efficiency and loading rate) of NPs loaded with RIF, Dy650 and PLL. Values are means ± SD of three measurements for one representative experiment out of at least three independent ones. SEM micrographs of NPs (b), NP-RIF (c) and NP-RIF-PLL (d)

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