Article citationsMore>>

W. F. Vermaas, J. A. Timlin, H. D. Jones, M. B. Sinclair, L. T. Nieman, S. W. Hamad, D. K. Melgaard and D. M. Haaland, “In Vivo Hyperspectral Confocal Fluorescence Imaging to Determine Pigment Localization and Distribution in Cyanobacterial Cells,” Proceedings of National Academy of Sciences of USA, Vol. 105, No. 10, 2008, pp. 4050-4055. doi:10.1073/pnas.0708090105

has been cited by the following article:

• TITLE: Effect of Hg(II) and Pb(II) Ions on C-Phycocyanin (Spirulina platensis)

  AUTHORS: Eteri Gelagutashvili, Ketevan Tsakadze

  KEYWORDS: C-Phycocyanin; Hg(II); Pb(II) Ions; DNA; Fluorescence

  JOURNAL NAME: Optics and Photonics Journal, Vol.3 No.1, March 29, 2013

  ABSTRACT: Influence of Hg(II) and Pb(II) ions on C-Phycocyanin (C-PC) from cyanobacteria Spirulina platensis was investigated using Fluorescence spectroscopy. Fluorescence measurements demonstrate quenching of C-PC emission by Hg(II) and Pb(II), and blue shifts in the fluorescence spectra. The effect of DNA on the fluorescence of Hg(II)-and Pb(II)-C-PC (from Spirulina platensis) complexes was also studied. It was shown that the fluorescence intensity of Hg-C-PC after addition of DNA gave rise to the fluorescence buildup. At the same time, addition of DNA to the Pb(II)-C-PC complexes showed no such effect. In the case of Hg(II)-C-PC, fluorescence intensity significantly decreases in time, while for Pb(II)-C-PC, decrease of the fluorescence intensity is not significant, but blue shift of the peak takes place.