Analytical High-resolution Electron Microscopy Reveals Organ-specific Nanoceria Bioprocessing

作者:Graham Uschi M; Yokel Robert A; Dozier Alan K; Drummy Lawrence; Mahalingam Krishnamurthy; Tseng Michael T; Birch Eileen; Fernback Joseph
来源:Toxicologic Pathology, 2018, 46(1): 47-61.
DOI:10.1177/0192623317737254

摘要

This is the first utilization of advanced analytical electron microscopy methods, including high-resolution transmission electron microscopy, high-angle annular dark field scanning transmission electron microscopy, electron energy loss spectroscopy, and energy-dispersive X-ray spectroscopy mapping to characterize the organ-specific bioprocessing of a relatively inert nanomaterial (nanoceria). Liver and spleen samples from rats given a single intravenous infusion of nanoceria were obtained after prolonged (90 days) in vivo exposure. These advanced analytical electron microscopy methods were applied to elucidate the organ-specific cellular and subcellular fate of nanoceria after its uptake. Nanoceria is bioprocessed differently in the spleen than in the liver.

  • 出版日期2018-1