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Biomaterials, volume 35, issue 1, pages 393-400

In vivo real-time visualization of tissue blood flow and angiogenesis using Ag2S quantum dots in the NIR-II window

Publication typeJournal Article
Publication date2014-01-01
Journal: Biomaterials
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor14
ISSN01429612, 18785905
Ceramics and Composites
Biophysics
Bioengineering
Biomaterials
Mechanics of Materials
Abstract
Improving the tissue penetration depth and spatial resolution of fluorescence-based optical nanoprobes remains a grand challenge for their practical applications in in vivo imaging, due to the scattering and absorption and endogenous autofluorescence of living tissues. Here, we present that Ag2S quantum dots (QDs), containing no toxic ions, exhibiting long circulation time and high stability, act as a new kind of fluorescent probes in the second near-infrared window (NIR-II, 1000-1350 nm) which enable in vivo monitoring of lymphatic drainage and vascular networks with deep tissue penetration and high spatial and temporal resolution. In addition, NIR-II fluorescence imaging with Ag2S QDs provide ultrahigh spatial resolution (~40 μm) that permits us to track angiogenesis mediated by a tiny tumor (2-3 mm in diameter) in vivo. Our results indicate that Ag2S QDs are promising NIR-II fluorescent nanoprobes that could be useful in surgical treatments such as sentinel lymph node (SLN) dissection as well in assessment of blood supply in tissues and organs and screening of anti-angiogenic drugs.

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GOST |
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GOST Copy
Li C. et al. In vivo real-time visualization of tissue blood flow and angiogenesis using Ag2S quantum dots in the NIR-II window // Biomaterials. 2014. Vol. 35. No. 1. pp. 393-400.
GOST all authors (up to 50) Copy
Li C., Zhang Y., WANG M., Zhang Y., Chen G., Li L., Wu D., Wang Q. In vivo real-time visualization of tissue blood flow and angiogenesis using Ag2S quantum dots in the NIR-II window // Biomaterials. 2014. Vol. 35. No. 1. pp. 393-400.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1016/j.biomaterials.2013.10.010
UR - https://doi.org/10.1016/j.biomaterials.2013.10.010
TI - In vivo real-time visualization of tissue blood flow and angiogenesis using Ag2S quantum dots in the NIR-II window
T2 - Biomaterials
AU - Li, Chunyan
AU - Zhang, Yejun
AU - WANG, MAO
AU - Zhang, Yan
AU - Chen, Guangcun
AU - Li, Lun
AU - Wu, Dong-Min
AU - Wang, Qiangbin
PY - 2014
DA - 2014/01/01 00:00:00
PB - Elsevier
SP - 393-400
IS - 1
VL - 35
SN - 0142-9612
SN - 1878-5905
ER -
BibTex |
Cite this
BibTex Copy
@article{2014_Li,
author = {Chunyan Li and Yejun Zhang and MAO WANG and Yan Zhang and Guangcun Chen and Lun Li and Dong-Min Wu and Qiangbin Wang},
title = {In vivo real-time visualization of tissue blood flow and angiogenesis using Ag2S quantum dots in the NIR-II window},
journal = {Biomaterials},
year = {2014},
volume = {35},
publisher = {Elsevier},
month = {jan},
url = {https://doi.org/10.1016/j.biomaterials.2013.10.010},
number = {1},
pages = {393--400},
doi = {10.1016/j.biomaterials.2013.10.010}
}
MLA
Cite this
MLA Copy
Li, Chunyan, et al. “In vivo real-time visualization of tissue blood flow and angiogenesis using Ag2S quantum dots in the NIR-II window.” Biomaterials, vol. 35, no. 1, Jan. 2014, pp. 393-400. https://doi.org/10.1016/j.biomaterials.2013.10.010.
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