Cited by 995Optical Imaging and Spectroscopy TechniquesSpectroscopy Techniques in Biomedical and Chemical ResearchPhotoacoustic and Ultrasonic Imaging

Multifunctional in vivo vascular imaging using near-infrared II fluorescence

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Hong, Guosong, Lee, Jerry C, Robinson, Joshua T, Raaz, Uwe, Xie, Liming, Huang, Ngan F, Cooke, John P, Dai, Hongjie·2012·Nature Medicine

Abstract

In vivo real-time epifluorescence imaging of mouse hind limb vasculatures in the second near-infrared region (NIR-II) is performed using single-walled carbon nanotubes as fluorophores. Both high spatial (∼30 μm) and temporal (<200 ms per frame) resolution for small-vessel imaging are achieved at 1-3 mm deep in the hind limb owing to the beneficial NIR-II optical window that affords deep anatomical penetration and low scattering. This spatial resolution is unattainable by traditional NIR imaging (NIR-I) or microscopic computed tomography, and the temporal resolution far exceeds scanning microscopic imaging techniques. Arterial and venous vessels are unambiguously differentiated using a dynamic contrast-enhanced NIR-II imaging technique on the basis of their distinct hemodynamics. Further, the deep tissue penetration and high spatial and temporal resolution of NIR-II imaging allow for precise quantifications of blood velocity in both normal and ischemic femoral arteries, which are beyond the capabilities of ultrasonography at lower blood velocities.

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Authors
Hong, G., Lee, J. C., Robinson, J. T., Raaz, U., Xie, L., Huang, N. F., Cooke, J. P., & Dai, H.
Affiliations
  • Stanford University (US)
  • Stanford Medicine (US)
Corresponding author
  • Huang, Ngan F
  • Cooke, John P
  • Dai, Hongjie
Venue
Nature Medicine
Published
2012-11-18
Volume
18
Issue
12
Pages
1841-1846
ISSN
  • 1078-8956 (ISSN-L)
  • 1546-170X
OpenAlex
W2054288014
Cited by
995
References
41
Citations by year
2026: 42 · 2025: 56 · 2024: 75 · 2023: 78 · 2022: 69 · 2021: 93 · 2020: 113 · 2019: 111 · 2018: 110 · 2017: 74 · 2016: 46 · 2015: 56 · 2014: 39 · 2013: 31
FWCI
30.21
Type
journal article
Language
en
Open access
Locations
  • Nature Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • arXiv (Cornell University)
Funders
  • National Institutes of Health (5r01ca135109-05)
  • National Heart, Lung, and Blood Institute (K99HL098688, U01HL100397, RC2HL103400, R00HL098688)
  • National Cancer Institute (R01-CA135109, 5R01CA135109-02)
Topics
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Optical Imaging and Spectroscopy Techniques
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biophysics › Spectroscopy Techniques in Biomedical and Chemical Research
  • Physical Sciences › Engineering › Biomedical Engineering › Photoacoustic and Ultrasonic Imaging
Keywords
single-walled carbon nanotubes, epifluorescence imaging, peripheral arterial disease, deep tissue imaging, dynamic contrast enhancement, small vessel imaging
MeSH terms
Animals, Blood Flow Velocity, Blood Vessels, Hemodynamics, Hindlimb, Infrared Rays, Principal Component Analysis, Nanotubes, Carbon, Mice, Optical Imaging

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