Journal
CHEMICAL PHYSICS LETTERS
Volume 507, Issue 1-3, Pages 162-167Publisher
ELSEVIER
DOI: 10.1016/j.cplett.2011.03.053
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Funding
- Unilever R&D Bangalore, India
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Photophysical properties and sensory capabilities of Acridine Orange (AO) have been studied in absence and presence of biomimicking anionic SDS (sodium dodecyl sulphate) micellar nanocage at various pH, where Cu2+ is introduced as sensing input. In pure aqueous system, AO fluorescence intensity quenched and enhanced by Cu2+ at pH similar to 2 and pH similar to 8, respectively. In presence of SDS micelle AO fluorescence intensity quenched by Cu2+ at both pH similar to 2 and pH similar to 8. Sensing [i.e. quenching] efficiency has been enhanced in presence of SDS micelle by similar to 150 times at pH similar to 2 and similar to 250 times at pH similar to 8, when compared with pure aqueous system. (C) 2011 Elsevier B.V. All rights reserved.
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