Cited by 362Luminescence and Fluorescent MaterialsMolecular Sensors and Ion DetectionAdvanced Fluorescence Microscopy Techniques

Stable, Wavelength‐Tunable Fluorescent Dyes in the NIR‐II Region for In Vivo High‐Contrast Bioimaging and Multiplexed Biosensing

Lei, Zuhai, Sun, Caixia, Pei, Peng, Wang, Shangfeng, Li, Dandan, Zhang, Xin, Zhang, Fan·2019·Angewandte Chemie International Edition

Abstract

Small‐molecule organic fluorophores, spectrally active in the 900–1700 nm region, with tunable wavelength and sensing properties are sought‐after for in vivo optical imaging and biosensing. A panel of fluorescent dyes (CX) has been developed to meet this challenge. CX dyes exhibit the wavelength tunability of cyanine dyes and have a rigidified polymethine chain to guarantee their stability. They are chemo‐ and photo‐stable in an aqueous environment and have tunable optical properties with maximal absorbing/emitting wavelength at 1089/1140 nm. They show great potential in high‐contrast in vivo bioimaging and multicolor detection with negligible optical cross talk. Förster resonance energy transfer (FRET) between CX dyes was demonstrated in deep tissue, providing an approach for monitoring drug‐induced hepatotoxicity by detection of OONO−. This report presents a series of NIR‐II dyes with promising spectroscopic properties for high‐contrast bioimaging and multiplexed biosensing.

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Crossref · 10.1002/anie.201904182

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Authors
Lei, Z., Sun, C., Pei, P., Wang, S., Li, D., Zhang, X., & Zhang, F.
Affiliations
Fudan University (CN)
Corresponding author
Zhang, Fan
Venue
Angewandte Chemie International Edition
Publisher
Wiley
Published
2019-05-08
Volume
58
Issue
24
Pages
8166-8171
ISSN
  • 1433-7851 (ISSN-L)
  • 1521-3773
OpenAlex
W2940791135
Cited by
362
References
62
Citations by year
2026: 21 · 2025: 38 · 2024: 37 · 2023: 45 · 2022: 62 · 2021: 76 · 2020: 66 · 2019: 16
FWCI
19.86
Type
journal article
Language
en
Open access
closed
Locations
  • Angewandte Chemie International Edition (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • China Postdoctoral Science Foundation (KLH1615169)
  • National Postdoctoral Program for Innovative Talents (VLH1615002)
Topics
  • Physical Sciences › Materials Science › Materials Chemistry › Luminescence and Fluorescent Materials
  • Physical Sciences › Chemistry › Spectroscopy › Molecular Sensors and Ion Detection
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biophysics › Advanced Fluorescence Microscopy Techniques
Keywords
cyanine dyes, polymethine chain, in vivo imaging, multiplexed biosensing, fluorescence resonance energy transfer, deep tissue imaging, hepatotoxicity monitoring, peroxynitrite detection, photostability
MeSH terms
Fluorescent Dyes, Biosensing Techniques, Nanoparticles, Optical Imaging

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