Fluorescent Molecular Logic Gates Driven by Temperature and by Protons in Solution and on Solid

Amilra Prasanna De Silva, Matthew West, Chaoyi Yao, Gavin Melaugh, Kyoko Kawamoto, Seiichi Uchiyama

Research output: Contribution to journalArticlepeer-review

Abstract

Temperature-driven fluorescent NOT logic is demonstrated by exploiting predissociation in a 1,3,5-trisubstituted 2-pyrazoline on its own and when grafted onto silica microparticles. Related2-pyrazolines become proton-driven YES and NOT logic gates on the basis of fluorescent PET (photoinduced electron transfer) switches. Additional PASS 1 and YES + PASS 1 logic gates on silica are also demonstrated within the same family. Beside these small-molecule systems, a polymeric molecular thermometer based on a benzofurazan-derivatized N-isopropylacrylamide copolymer is attached to silica to produce temperature-driven fluorescent YES logic.
Original languageEnglish
JournalChemistry-a European Journal
Early online date07 Jul 2021
DOIs
Publication statusEarly online date - 07 Jul 2021

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