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Binding of Eu(III) to 1,2-Hydroxypyridinone-Modified Peptide Nucleic Acids.
MedLine Citation:
PMID:  23148561     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
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.
Authors:
Arnie R de Leon; Abiola O Olatunde; Janet R Morrow; Catalina Achim
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-13
Journal Detail:
Title:  Inorganic chemistry     Volume:  -     ISSN:  1520-510X     ISO Abbreviation:  Inorg Chem     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0366543     Medline TA:  Inorg Chem     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Chemistry, Carnegie Mellon University , 4400 Fifth Avenue, Pittsburgh, Pennsylvania 15213, United States.
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