Journal
JOURNAL OF LUMINESCENCE
Volume 169, Issue -, Pages 549-552Publisher
ELSEVIER
DOI: 10.1016/j.jlumin.2014.12.051
Keywords
Neodymium; Lanthanide; NIR luminescence; Singlet oxygen probe
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A responsive neodymium NIR emission (F-4(3/2) -> I-4(11/2), (9/2)) was recorded upon binding with singlet oxygen (K-B=1.79 x 10(6) M-1) via the anthracene moiety. The motif ytterbium analog served as a negative control with no significant NIR enhancement/quenching with the addition of the same amount of singlet oxygen. Our complex was also found to react with O-1(2) generated by a known photosensitizer TMPyP inside HeLa cells without inducing cell death and display no significant cytotoxicity. (C) 2014 Elsevier B.V. All rights reserved.
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