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Rapid translocation of nanoparticles from the lung airspaces to the body.
Nat. Biotechnol. 28, 1300-1303 (2010)
Nano-size particles show promise for pulmonary drug delivery, yet their behavior after deposition in the lung remains poorly understood. In this study, a series of near-infrared (NIR) fluorescent nanoparticles were systematically varied in chemical composition, shape, size and surface charge, and their biodistribution and elimination were quantified in rat models after lung instillation. We demonstrate that nanoparticles with hydrodynamic diameter (HD) less than ≈34 nm and a noncationic surface charge translocate rapidly from the lung to mediastinal lymph nodes. Nanoparticles of HD < 6 nm can traffic rapidly from the lungs to lymph nodes and the bloodstream, and then be subsequently cleared by the kidneys. We discuss the importance of these findings for drug delivery, air pollution and carcinogenesis.
Impact Factor
Scopus SNIP
Web of Science
Times Cited
Times Cited
Scopus
Cited By
Cited By
Altmetric
29.495
6.491
231
446
Anmerkungen
Besondere Publikation
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Sprache
englisch
Veröffentlichungsjahr
2010
HGF-Berichtsjahr
2010
ISSN (print) / ISBN
1087-0156
e-ISSN
1546-1696
Zeitschrift
Nature Biotechnology
Quellenangaben
Band: 28,
Heft: 12,
Seiten: 1300-1303
Verlag
Nature Publishing Group
Verlagsort
New York, NY
Begutachtungsstatus
Peer reviewed
Institut(e)
Institute of Lung Health and Immunity (LHI)
PSP-Element(e)
G-505000-002
G-505000-005
G-505000-005
PubMed ID
21057497
DOI
10.1038/nbt.1696
Scopus ID
78650012703
Erfassungsdatum
2010-12-03