Issue 11, 2015

Confocal and fluorescence lifetime imaging sheds light on the fate of a pyrene-tagged carbon monoxide-releasing Fischer carbene chromium complex

Abstract

The synthesis of a new pyrene-containing Fischer carbene complex is described. The complex has a broad absorbance spectrum between 300 and 400 nm and, on excitation at 345 nm in CH2Cl2 solution, emission is observed at 395 and 415 nm. Emission is also observed in PBS buffer, but in this case the resulting spectra are much broader. Confocal and fluorescence lifetime imaging indicate that emission occurs on treating HeLa cells with the complex and co-localisation studies demonstrate that this is from the mitochondria and lipid-rich regions of the cell.

Graphical abstract: Confocal and fluorescence lifetime imaging sheds light on the fate of a pyrene-tagged carbon monoxide-releasing Fischer carbene chromium complex

Supplementary files

Article information

Article type
Paper
Submitted
27 Oct 2014
Accepted
03 Dec 2014
First published
04 Dec 2014

Dalton Trans., 2015,44, 4957-4962

Author version available

Confocal and fluorescence lifetime imaging sheds light on the fate of a pyrene-tagged carbon monoxide-releasing Fischer carbene chromium complex

R. L. Arrowsmith, A. J. Atkin, S. W. Botchway, I. J. S. Fairlamb, J. M. Lynam, J. W. B. Moir, S. I. Pascu, J. S. Ward and W. Zhang, Dalton Trans., 2015, 44, 4957 DOI: 10.1039/C4DT03312D

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