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Renal-Clearable Hollow Bismuth Subcarbonate Nanotubes for Tumor Targeted Computed Tomography Imaging and Chemoradiotherapy

Cited 43 time in webofscience Cited 46 time in scopus
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Title
Renal-Clearable Hollow Bismuth Subcarbonate Nanotubes for Tumor Targeted Computed Tomography Imaging and Chemoradiotherapy
Author(s)
Xi Hu; Jihong Sun; Fangyuan Li; Ruiqing Li; Jiahe Wu; Jie He; Nan Wang; Jianan Liu; Shuaifei Wang; Fei Zhou; Xiaolian Sun; Dokyoon Kim; Taeghwan Hyeon; Daishun Ling
Subject
bismuth subcarbonate, ; chemoradiotherapy, ; CT imaging, ; Hollow nanotubes, ; renal clearance, ; tumor-targeting
Publication Date
2018-02
Journal
NANO LETTERS, v.18, no.2, pp.1196 - 1204
Publisher
AMER CHEMICAL SOC
Abstract
Although metallic nanomaterials with high X-ray attenuation coefficients have been widely used as X-ray computed tomography (CT) contrast agents, their intrinsically poor biodegradability requires them to be cleared from the body to avoid any potential toxicity. On the other hand, extremely small-sized nanomaterials with outstanding renal clearance properties are not much effective for tumor targeting because of their too rapid clearance in vivo. To overcome this dilemma, here we report on the hollow bismuth subcarbonate nanotubes (BNTs) assembled from renal-clearable ultrasmall bismuth subcarbonate nanoclusters for tumor-targeted imaging and chemoradiotherapy. The BNTs could be targeted to tumors with high efficiency and exhibit a high CT contrast effect. Moreover, simultaneous radio- and chemotherapy using drug-loaded BNTs could significantly suppress tumor volumes, highlighting their potential application in CT imaging-guided therapy. Importantly, the elongated nanotubes could be disassembled into isolated small nanoclusters in the acidic tumor microenvironment, accelerating the payload release and kidney excretion. Such body clearable CT contrast agent with high imaging performance and multiple therapeutic functions shall have a substantial potential for biomedical applications. © 2018 American Chemical Society
URI
https://pr.ibs.re.kr/handle/8788114/4667
DOI
10.1021/acs.nanolett.7b04741
ISSN
1530-6984
Appears in Collections:
Center for Nanoparticle Research(나노입자 연구단) > 1. Journal Papers (저널논문)
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