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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 4 — Feb. 1, 2009
  • pp: B111–B118

Fluorescence lifetime and intensity of terbium-doped dipicolinic acid in water, HCl, and sodium acetate buffer solutions

Anali Makoui and Dennis K. Killinger  »View Author Affiliations

Applied Optics, Vol. 48, Issue 4, pp. B111-B118 (2009)

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The lifetimes of the individual fluorescing lines from the terbium-doped dipicolinic acid (DPA) complex have been measured and reported, for the first time to our knowledge. These lifetimes have been measured as a function of terbium and dipicolinic acid concentration, solvent pH, and solvent composition for water, HCl, and sodium acetate buffer solutions. Fluorescence lifetimes over the range from 0.75 to 1.07 ms were measured. The maximum fluorescence was obtained for distilled water solutions.

© 2008 Optical Society of America

OCIS Codes
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence
(280.1545) Remote sensing and sensors : Chemical analysis

Original Manuscript: August 19, 2008
Revised Manuscript: November 19, 2008
Manuscript Accepted: November 26, 2008
Published: December 22, 2008

Anali Makoui and Dennis K. Killinger, "Fluorescence lifetime and intensity of terbium-doped dipicolinic acid in water, HCl, and sodium acetate buffer solutions," Appl. Opt. 48, B111-B118 (2009)

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