Cited by 582Luminescence and Fluorescent MaterialsOptical Imaging and Spectroscopy TechniquesMolecular Sensors and Ion Detection

J -Aggregates of Cyanine Dye for NIR-II in Vivo Dynamic Vascular Imaging beyond 1500 nm

Sun, Caixia, Li, Benhao, Zhao, Mengyao, Wang, Shangfeng, Lei, Zuhai, Lu, Lingfei, Zhang, Hongxin, Feng, Lishuai +5 more·2019·Journal of the American Chemical Society

Abstract

Light in the second near-infrared window, especially beyond 1500 nm, shows enhanced tissue transparency for high-resolution in vivo optical bioimaging due to decreased tissue scattering, absorption, and autofluorescence. Despite some inorganic luminescent nanoparticles have been developed to improve the bioimaging around 1500 nm, it is still a great challenge to synthesize organic molecules with the absorption and emission toward this region. Here, we present J -aggregates with 1360 nm absorption and 1370 nm emission formed by self-assembly of amphiphilic cyanine dye FD-1080 and 1,2-dimyristoyl- sn -glycero-3-phosphocholine. Molecular dynamics simulations were further employed to illustrate the self-assembly process. Superior spatial resolution and high signal-to-background ratio of J -aggregates were demonstrated for noninvasive brain and hindlimb vasculature bioimaging beyond 1500 nm. The efficacy evaluation of the clinically used hypotensor is successfully achieved by high-resolution in vivo dynamic vascular imaging with J -aggregates.

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Crossref · 10.1021/jacs.9b10043

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Authors
Sun, C., Li, B., Zhao, M., Wang, S., Lei, Z., Lu, L., Zhang, H., Feng, L., Dou, C., Yin, D., Xu, H., Cheng, Y., & Zhang, F.
Affiliations
  • Fudan University (CN)
  • Shanghai Jiao Tong University (CN)
  • Tongji University (CN)
Corresponding author
Zhang, Fan
Venue
Journal of the American Chemical Society
Published
2019-11-20
Volume
141
Issue
49
Pages
19221-19225
ISSN
  • 0002-7863 (ISSN-L)
  • 1520-5126
OpenAlex
W2989893681
Cited by
582
References
61
Citations by year
2026: 58 · 2025: 76 · 2024: 81 · 2023: 92 · 2022: 107 · 2021: 78 · 2020: 89
FWCI
24.72
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of the American Chemical Society (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Ministry of Science and Technology of the People's Republic of China (2017YFA0207303)
  • Science and Technology Commission of Shanghai Municipality (17JC1400100, 19490713100)
  • National Natural Science Foundation of China (21725502)
Topics
  • Physical Sciences › Materials Science › Materials Chemistry › Luminescence and Fluorescent Materials
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Optical Imaging and Spectroscopy Techniques
  • Physical Sciences › Chemistry › Spectroscopy › Molecular Sensors and Ion Detection
Keywords
J-aggregates, cyanine dyes, NIR-II imaging, self-assembly, amphiphilic dyes, phosphatidylcholine, molecular dynamics simulation, cerebral vasculature, tissue transparency
MeSH terms
Animals, Carbocyanines, Carotid Arteries, Dimyristoylphosphatidylcholine, Fluorescent Dyes, Rats, Inbred SHR, Spectroscopy, Near-Infrared, Nanoparticles, Molecular Dynamics Simulation, Hydrophobic and Hydrophilic Interactions, Optical Imaging

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