Journal
TETRAHEDRON LETTERS
Volume 49, Issue 32, Pages 4697-4700Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2008.05.137
Keywords
calorimetric; logic chemosensor; pH; Cu(II)
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In this work, salicylaldehyde fluorescein hydrazone (1) was synthesized and characterized. Exhibiting reversible color changes responding to different pH in the presence of Cu(II) in buffered media, 1 could be applied as a colorimetric chemosensor for the detection of pH and Cu(II) bi-functionally. It presented a tunable system integrated with a Cu(II)-driven YES logic gate as well as an INHIBIT logic gate, with pH and Cu(II) as its chemical inputs based on encoding binary digits of logical conventions. (C) 2008 Elsevier Ltd. All rights reserved.
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