Fluorescein Based Fluorescent Dye as a Sensor for Transition Metal Ions

Fluorescein based probes serve as a unique tool for sensing due to its unique fluorescent property as well as low detection limit (LOD). This molecule can combine with various metal ions because of its variable pockets developed on the periphery of the molecular system. Research on this particular probe has been sprouted during the past few years. This article reviewed recent progress in fluorescein based probes to sense and detect the various transition metal ions such as Cu²⁺, Zn²⁺, Ni²⁺, Cd²⁺, Co²⁺, Au³⁺, Fe³⁺, Hg²⁺, Ag⁺ etc.

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