Journal
CHEMICAL COMMUNICATIONS
Volume 48, Issue 23, Pages 2840-2842Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2cc16553h
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Funding
- KAKENHI [22000006, 21750135]
- NEDO of Japan
- Cosmetology Research Foundation, Japan
- Grants-in-Aid for Scientific Research [21750135, 23249004, 20117003, 22000006] Funding Source: KAKEN
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Luminescent lanthanide complexes incorporating Yb3+ and Nd3+ are attracting much attention as imaging agents, but there have been few practical methods to make responsive sensors with these complexes. Here, we introduce a general strategy to synthesize near-infrared luminescent probes by conjugating a Yb3+ chelate to established fluorescein-based probes. As the first demonstration, we present a complex, based on the green-emitting probe DAF-4, that responds to nitric oxide (NO) in aqueous solution with a significant increase in luminescence intensity at 980 nm.
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