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- Title
Exclusive Detection of Sub-Nanomolar Levels of Palladium(II) in Water: An Excellent Probe for Multiple Applications.
- Authors
Kumari, Namita; Dey, Nilanjan; Kumar, Krishan; Bhattacharya, Santanu
- Abstract
A new colorimetric probe has been developed for the detection and estimation of PdII at sub-nanomolar concentrations. The probe consisted of rhodamine (signaling unit), which was linked with a bis-picolyl moiety (binding site) through a phenyl ring. PdII induced opening of the spirolactam ring of the probe with the generation of a prominent pink color. The excellent selectivity of the probe towards PdII over Pd0 or RhII ensured its potential utility for the detection of residual palladium contamination in pharmaceutical drugs and in Pd-catalyzed reactions. The probe showed a 'turn-on' (bright yellow) fluorescence upon the addition of PdII, which made it suitable for the detection of Pd contaminants in mammalian cells.
- Subjects
PALLADIUM; WATER damage; CLASS B metals; WATER spirits; WATER quality
- Publication
Chemistry - An Asian Journal, 2014, Vol 9, Issue 11, p3174
- ISSN
1861-4728
- Publication type
Article
- DOI
10.1002/asia.201402635