4.8 Article

Water-Soluble Mitochondria-Specific Ytterbium Complex with Impressive NIR Emission

Journal

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 133, Issue 50, Pages 20120-20122

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ja207689k

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Funding

  1. Research Grants Council of the Hong Kong SAP., P. R. China [HKBU 202509, HKBU 202210]
  2. Hong Kong Baptist University

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A water-soluble porphyrinato ytterbium complex linked with rhodamine B (Yb-2) showed mitochondriaspecific subcellular localization and strong two-photoninduced NIR emissions (lambda(em) = 650 nm, porphyrinate ligand pi -> pi* transition; lambda(em) = 1060 nm, Yb(III) F-5(5/2) -> F-5(7/2) transitions; sigma(2) = 375 GM in DMSO) with an impressive Yb(III) NIR emission quantum yield (1% at lambda(ex) = 340 nm; 2.5% at lambda(ex) = 430 nm) in aqueous solution.

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