A bright organic NIR-II nanofluorophore for three-dimensional imaging into biological tissues
Open accessAbstract
Fluorescence imaging of biological systems in the second near-infrared (NIR-II, 1000–1700 nm) window has shown promise of high spatial resolution, low background, and deep tissue penetration owing to low autofluorescence and suppressed scattering of long wavelength photons. Here we develop a bright organic nanofluorophore (named p-FE) for high-performance biological imaging in the NIR-II window. The bright NIR-II >1100 nm fluorescence emission from p-FE affords non-invasive in vivo tracking of blood flow in mouse brain vessels. Excitingly, p-FE enables one-photon based, three-dimensional (3D) confocal imaging of vasculatures in fixed mouse brain tissue with a layer-by-layer imaging depth up to ~1.3 mm and sub-10 µm high spatial resolution. We also perform in vivo two-color fluorescence imaging in the NIR-II window by utilizing p-FE as a vasculature imaging agent emitting between 1100 and 1300 nm and single-walled carbon nanotubes (CNTs) emitting above 1500 nm to highlight tumors in mice.
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- Authors
- Wan, H., Yue, J., Zhu, S., Uno, T., Zhang, X., Yang, Q., Yu, K., Hong, G., Wang, J., Li, L., Ma, Z., Gao, H., Zhong, Y., Su, J., Antaris, A. L., Xia, Y., Luo, J., Liang, Y., & Dai, H.
- Affiliations
- Southern University of Science and Technology (CN)
- Stanford University (US)
- JSR (Japan) (JP)
- Tianjin University (CN)
- VA Palo Alto Health Care System (US)
- Corresponding author
- Liang, Yongye
- Dai, Hongjie
- ORCID
- Venue
- Nature Communications
- Published
- 2018-03-21
- Volume
- 9
- Issue
- 1
- Pages
- 1171-1171
- ISSN
- 2041-1723 (ISSN-L)
- PMC
- PMC5862886
- OpenAlex
- W2794186026
- Cited by
- 450
- References
- 40
- Citations by year
- 2026: 20 · 2025: 39 · 2024: 51 · 2023: 60 · 2022: 59 · 2021: 64 · 2020: 87 · 2019: 51 · 2018: 19
- FWCI
- 20.63
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Locations
- Nature Communications (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- RePEc: Research Papers in Economics (submittedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
- Funders
- National Natural Science Foundation of China (21772084)
- National Institutes of Health
- National Institute of Neurological Disorders and Stroke (DP1NS105737)
- Topics
- Physical Sciences › Materials Science › Materials Chemistry › Luminescence and Fluorescent Materials
- Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Optical Imaging and Spectroscopy Techniques
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Biophysics › Advanced Fluorescence Microscopy Techniques
- Keywords
- NIR-II fluorescence, deep tissue imaging, cerebrovascular imaging, tumor imaging, single-walled carbon nanotubes, in vivo imaging, autofluorescence suppression
- MeSH terms
- Animals, Blood Vessels, Brain, Cerebrovascular Circulation, Female, Fluorescent Dyes, Injections, Subcutaneous, Mammary Glands, Animal, Mice, Inbred BALB C, Mice, Inbred C57BL, Neoplasm Transplantation, Spectroscopy, Near-Infrared, Imaging, Three-Dimensional, Nanotubes, Carbon, Cell Line, Tumor, Mice, Optical Imaging
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