期刊
INORGANIC CHEMISTRY
卷 51, 期 23, 页码 12597-12599出版社
AMER CHEMICAL SOC
DOI: 10.1021/ic301790v
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资金
- NSF [CHE-0848725, CHE-9808188, DBI-9729351, CHE-0130903, CHE-0911375, CHE-0321058]
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [0911375] Funding Source: National Science Foundation
Substitution of a nucleobase pair with a pair of 1,2-hydroxypyridinone (1,2-HOPO) ligands in the center of a 10-base-pair peptide nucleic acid (PNA) duplex provides a strong binding site for Eu-III as evidenced by UV thermal melting curves, UV titrations, and luminescence spectroscopy. Eu-III excitation spectra and luminescence lifetime data are consistent with Eu-III bound to both 1,2 HOPO ligands in a PNA-HOPO duplex as the major species present in solution.
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