Chromogenic and fluorogenic probes may be described as the reagents that can interact
with analytes (targets) accompanied by the changes of their spectroscopic (chromogenic, or …

The colorimetric and fluorescent Schiff base sensors have proven to be powerful tools in the
detection of metal ions due to their simplicity, low cost, rapid photophysical response, high …

Transition metals (d-blocks) are recognized as playing critical roles in biology, and they most
often act as cofactors in diverse enzymes; however, improper regulation of transition metal …

Carbon quantum dots (CQDs), a novel fluorescent nanomaterial, have been extensively
employed/explored in various applications, that is, biosensors, bioimaging, nanomedicine …

Considerable amount of research has been carried out on designing and improving metal-
recognition methodologies in environmental and biological media. The development of …

A new rhodamine-derived Schiff base RH was synthesized and its sensing behavior toward
various metal ions was investigated by UV–vis and fluorescence spectroscopic techniques …

A novel Schiff-base oxime sensor H 2 L with the ONON chelating moieties was designed
and synthesized based on condensation reaction. Different methods such as elemental …

Iron (III) is well-known to play a vital role in a variety of metabolic processes in almost all
living systems, including the human body. However, the excess or deficiency of Fe3+ from …

A fluorescent composite, HCAA@ UiO-66, was prepared by encapsulating fluorescent 7-
hydroxycoumarin-4-acetic acid (HCAA) molecules in the pores of a metal–organic …

Chemosensors possess significant importance in biological and environmental systems for
the detection of various chemical species. This review commences with a short description …