A novel 1,10-phenanthroline based chemosensor for differential metal ion sensing and constructing molecular logic gates

Navneet Kaur,Priya Alreja

doi:10.1016/j.tetlet.2014.11.062

A novel 1,10-phenanthroline based chemosensor for differential metal ion sensing and constructing molecular logic gates

Navneet Kaur, Priya Alreja

https://doi.org/10.1016/j.tetlet.2014.11.062

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Journal: Tetrahedron Letters	Publication Date: Nov 20, 2014
Citations: 28

Affiliation: Panjab University

#Differential Changes #Addition Of Cd2 + Show 8 more

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Abstract

A simple tailor-made amidic functionality based on 1,10-phenanthroline unit (1) gave differential absorption changes with only metal ions viz. Cd2+, Zn2+, and Cu2+ ions. In CH3CN solution of 1, addition of Cd2+ and Zn2+ ions resulted in bathochromic shift of ∼65nm, whereas Cu2+ ions resulted in hyperchromic effect with only ∼15nm bathochromic shift. These differential changes observed with Cd2+ and Cu2+ ions addition enabled chemosensor 1 to construct ‘IMLICATION’ and ‘TRANSFER’ logic gates. The observed binding constant values were found to be in order of Cd2+>Zn2+>Cu2+.

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