4.8 Article

Phosphorescent Sensor for Robust Quantification of Copper(II) Ion

Journal

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 133, Issue 30, Pages 11488-11491

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ja204997c

Keywords

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Funding

  1. National Institute of General Medical Sciences [GM065519]
  2. NIH [1S10RR13886-01]
  3. NRF/MEST of Korea through the CRI, GRL [2010-00353]
  4. WCU [R31-2008-000-10010-0]
  5. Ewha Womans University
  6. CRI Program [RIAMI-AM0209 (0417-20090011)]
  7. National Research Foundation of Korea [R31-2011-000-10010-0, 2009-0081571, 2010-00353] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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A phosphorescent sensor based on a multichromophoric iridium(III) complex was synthesized and characterized. The construct exhibits concomitant changes in its phosphorescence intensity ratio and phosphorescence lifetime in response to copper(II) ion. The sensor, which is reversible and selective, is able to quantify copper(II) ions in aqueous media, and it detects intracellular copper ratiometrically.

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