Water-soluble mitochondria-specific ytterbium complex with impressive NIR emission.

Water-soluble mitochondria-specific ytterbium complex with impressive NIR emission.
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DOI:
10.1021/ja207689k
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发表时间:
2011-11
影响因子:
15
通讯作者:
Tao Zhang;Xunjin Zhu;C. C. Cheng-C.;W. Kwok;H. Tam;J. Hao;D. Kwong;Wai-Kwok Wong;Ka‐Leung Wong
Tao Zhang;Xunjin Zhu;C. C. Cheng-C.;W. Kwok;H. Tam;J. Hao;D. Kwong;Wai-Kwok Wong;Ka‐Leung Wong
中科院分区:
化学1区
文献类型:
--
作者:
Tao Zhang;Xunjin Zhu;C. C. Cheng-C.;W. Kwok;H. Tam;J. Hao;D. Kwong;Wai-Kwok Wong;Ka‐Leung Wong

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水溶性的镱卟啉配合物与罗丹明B(Yb-2)形成的配合物具有很强的近红外双光子发射(λ(em)= 650 nm,卟啉配体π → π* 跃迁; λ(em)= 1060 nm,Yb(III)(5)F(5/2)→(5)F(7/2)跃迁; σ(2)= 375 GM,在DMSO中),在水溶液中具有令人印象深刻的Yb(III)NIR发射量子产率(在λ(ex)= 340 nm处为1%;在λ(ex)= 430 nm处为2.5%)。
A water-soluble porphyrinato ytterbium complex linked with rhodamine B (Yb-2) showed mitochondria-specific subcellular localization and strong two-photon-induced NIR emissions (λ(em) = 650 nm, porphyrinate ligand π → π* transition; λ(em) = 1060 nm, Yb(III) (5)F(5/2) → (5)F(7/2) transitions; σ(2) = 375 GM in DMSO) with an impressive Yb(III) NIR emission quantum yield (1% at λ(ex) = 340 nm; 2.5% at λ(ex) = 430 nm) in aqueous solution.