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Updated: Apr 4, 2026

Synthesis, Characterization, and Application of Superparamagnetic Iron Oxide Nanoprobes for Extrapulmonary Tuberculosis Detection
Published on: February 16, 2020
Isoniazid@Fe2 O3 Nanocontainers and Their Antibacterial Effect on Tuberculosis Mycobacteria
Peter Leidinger1, Jens Treptow1, Kristine Hagens2
1Institut für Anorganische Chemie, Karlsruhe Institute of Technology (KIT), Engesserstrasse 15, 76131 Karlsruhe (Germany).
Abstract:
Isoniazid-filled Fe2 O3 hollow nanospheres (INH@Fe2 O3 , diameter <30 nm, 48 wt % INH-load) are prepared for the first time and suggested for tuberculosis therapy. After dextran-functionalization, the INH@Fe2 O3 @DEX nanocontainers show strong activity against Mycobacterium tuberculosis (M.tb.) and M.tb.-infected macrophages. The nanocontainers can be considered as "Trojan horses" and show efficient, active uptake into both M.tb.-infected macrophages and even into mycobacterial cells.
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