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Cited by 320

The DOI matches its Crossref record; 42 of the 42 references it cites were found in a registry or an index.

Surface charge-mediated rapid hepatobiliary excretion of mesoporous silica nanoparticles

Open access
Souris, Jeffrey S., Lee, Chia-Hung, Cheng, Shih-Hsun, Chen, Chin-Tu, Yang, Chung-Shi, Ho, Ja-an A., Mou, Chung-Yuan, Lo, Leu-Wei·2010·Biomaterials

Abstract

Nanoparticle-assisted drug delivery has been emerging as an active research area in recent years. The in vivo biodistribution of nanoparticle and its following mechanisms of biodegradation and/or excretion determine the feasibility and applicability of such a nano-delivery platform in the practical clinical translation. In this work we report the synthesis of the highly positive charge, near-infrared fluorescent mesoporous silica nanoparticles (MSNs) that demonstrate rapid hepatobiliary excretion, for use as traceable drug delivery platforms of high capacity. MSNs were incorporated with near-infrared fluorescent dye indocyanine green (ICG) via covalent or ionic bonding, to derive comparable constructs of significantly different net surface charge. In vivo fluorescence imaging and subsequent inductively coupled plasma-mass spectroscopy of harvested tissues, urine, and feces revealed markedly different uptake and elimination behaviors between the two conjugations; with more highly charged moieties (+34.4 mV at pH 7.4) being quickly excreted from the liver into the gastrointestinal tract, while less charged moieties (-17.6 mV at pH 7.4) remained sequestered within the liver. Taken together, these findings suggest that charge-dependent adsorption of serum proteins greatly facilitates the hepatobiliary excretion of silica nanoparticles, and that nanoparticle residence time in vivo can be regulated by manipulation of surface charge.

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Metadata

Authors
Souris, J. S., Lee, C.-H., Cheng, S.-H., Chen, C.-T., Yang, C.-S., Ho, J.-A. A., Mou, C.-Y., & Lo, L.-W.
Venue
Biomaterials
Publisher
Elsevier BV
Published
2010-07
Volume
31
Issue
21
Pages
5564-5574
ISSN
0142-9612 (ISSN-L)
OpenAlex
W2078725345
Cited by
320
References
42
FWCI
9.16
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Surface charge-mediated rapid hepatobiliary excretion of mesoporous silica nanoparticles. https://app.cochat.ai/papers/10.1016/j.biomaterials.2010.03.048
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Souris, J. S., Lee, C.-H., Cheng, S.-H., Chen, C.-T., Yang, C.-S., Ho, J.-A. A., Mou, C.-Y., & Lo, L.-W. (2010). Surface charge-mediated rapid hepatobiliary excretion of mesoporous silica nanoparticles. Biomaterials. https://doi.org/10.1016/j.biomaterials.2010.03.048

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