Various Sensing Mechanisms for the Design of Naphthalimide based Chemosensors Emerging in Recent Years

Duraisamy       Udhayakumari
Abstract

In the design of novel fluorescent chemosensors, investigation of new sensing mechanisms between recognition and signal reporting units is of increasing interest. In recent years, a smart chemosensor probe containing a 1,8-naphthalimide moiety could be developed as a fluorescent and colorimetric sensor for toxic anions, metal ions, biomolecules, nitroaromatics, and acids and be further applied to monitor the relevant biological applications. In this field, several problems and challenges still exist. This critical review is mainly focused on various sensing mechanisms that have emerged in the past few years, such as Photo-Induced Electron Transfer (PET), Intramolecular Charge Transfer (ICT), Fluorescence Resonance Energy Transfer (FRET), Excited-State Intramolecular Proton Transfer (ESIPT), hydrogen bonding and displacement approach. The review concludes with some current and future perspectives, including the use of the naphthalimides for sensing anions, metal ions, biomolecules, nitroaromatics and acids and their potential uses in various fields.
Keywords: Sensing mechanism, chemical sensor, naphthalimide, visual change, bioimaging, fluorescence resonance energy transfer (FRET).
Graphical Abstract

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Cite As
Recent Innovations in Chemical Engineering

Various Sensing Mechanisms for the Design of Naphthalimide based Chemosensors Emerging in Recent Years

Abstract

Graphical Abstract
