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Anthraquinone; chemosensors; molecular logic gates; demultiplexer.

Anthraquinone-based chemosensor L with pyridine units as additional functional groups has been found to show pH-dependent multiple coordinationmodes towards differentmetal ions (Co²⁺, Ni²⁺ and Cu²⁺). Based on these different absorption changes, this differential colorimetric chemosensor L has found promising applications as a multiple-mode molecular logic system, i.e., OR, three - input NOR, three - input INHIBIT, TRANSFER and 1:2 DEMUX.

Navneet Kaur¹ Subodh Kumar²

1. Department of Chemistry, Panjab University, Chandigarh 160 014, India
2. Department of Chemistry, Guru Nanak Dev University, Amritsar 143 005, India

Published

January 2014

Manuscript received

17 June 2013

Manuscript revised

2 September 2013

Accepted

22 October 2013