Abstract

In article number 2100453 by Steffen Stenger, Mika Lindén, and co-workers, the activity of the antimicrobial peptide NapFab against intracellular Mycobacterium tuberculosis (Mtb) is significantly increased by loading onto dendritic mesoporous silica nanoparticles (DMSN). This enhanced activity is based on a 30-fold increased, DMSN-mediated peptide uptake. Livecell fluorescence microscopy and electron microscopy reveal fast DMSN uptake in endosomal vesicles, intracellular degradation of the carrier, and a continuous peptide release.

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