Abstract
We report a significant increase of a curcumin (1,7-bis[4-hydroxy-3-methoxyphenyl]-1,6-heptadiene-3,5-dione) fluorescence brightness when deposited on plasmonic platforms (self assembled silver nanostructures formed on the surface of silver semitransparent film). The enhancement of fluorescence intensity is accompanied by a strong decrease in fluorescence lifetime. Simultaneously, the increased photostability of curcumin, a pigment showing strong antiinflammatory, antioxidant and antitumorigenic activity, allows long-time detection and monitoring. We believe that the use of plasmonic platforms will improve detection, delivery and imaging of curcumin.
Keywords: Fluorescence lifetime, metal enhanced fluorescence, photostability, plasmonic platforms, brightness, curcumin
Current Pharmaceutical Biotechnology
Title: Enhanced Fluorescence of Curcumin on Plasmonic Platforms
Volume: 11 Issue: 2
Author(s): Anindita Mukerjee, Rafal Luchowski, Amalendu P. Ranjan, Sangram Raut, Jamboor K. Vishwanatha, Zygmunt Gryczynski and Ignacy Gryczynski
Affiliation:
Keywords: Fluorescence lifetime, metal enhanced fluorescence, photostability, plasmonic platforms, brightness, curcumin
Abstract: We report a significant increase of a curcumin (1,7-bis[4-hydroxy-3-methoxyphenyl]-1,6-heptadiene-3,5-dione) fluorescence brightness when deposited on plasmonic platforms (self assembled silver nanostructures formed on the surface of silver semitransparent film). The enhancement of fluorescence intensity is accompanied by a strong decrease in fluorescence lifetime. Simultaneously, the increased photostability of curcumin, a pigment showing strong antiinflammatory, antioxidant and antitumorigenic activity, allows long-time detection and monitoring. We believe that the use of plasmonic platforms will improve detection, delivery and imaging of curcumin.
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Cite this article as:
Mukerjee Anindita, Luchowski Rafal, Ranjan P. Amalendu, Raut Sangram, Vishwanatha K. Jamboor, Gryczynski Zygmunt and Gryczynski Ignacy, Enhanced Fluorescence of Curcumin on Plasmonic Platforms, Current Pharmaceutical Biotechnology 2010; 11 (2) . https://dx.doi.org/10.2174/138920110790909623
DOI https://dx.doi.org/10.2174/138920110790909623 |
Print ISSN 1389-2010 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4316 |
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