Turn-on detection of Al³⁺ and Zn²⁺ ions by a NSN donor probe: reversibility, logic gates and DFT calculations

Abstract

An efficient dual functional naphthalene-derived Schiff base fluorescent probe NpSb has been synthesized and evaluated for its fluorescence and chromogenic response towards metal ions. Probe NpSb was capable to selectively...

An Indole‐based Chromofluorogenic Probe for Detection of Trivalent Al3+, Ga3+, In3+ and Fe3+ Ions

“…As a part of our ongoing research in the design and development of new optical probes, [58][59][60][61][62][63][64][65] herein we present an easily synthesizable indole-based chromofluorogenic Schiff base probe (InNS; Figure 1(a)) for recognition of trivalent Al 3 + , Ga 3 + , In 3 + and Fe 3 + ions over other mono-and bivalent cationic species. In this probe, the indole moiety acted as a fluorophore while a combination of both hard (imine-N) and soft (À SÀ ) donor sites served as the metal ion recognition unit.…”

Turn-on detection of Al3+ ions using quinoline-based tripodal probe: mechanistic investigation and live cell imaging applications

“…must display strong binding affinity towards Al 3+ ions. 24–26 In the recent past, a large number of small molecule-based fluorescent probes (both organic and inorganic probes) have been developed; however, many of them suffer from tedious synthetic routes. In addition, other interfering metal ions such as Fe 3+ , Zn 2+ and Cu 2+ have become real concerns for many fluorescent probes to be exhaustively selective for Al 3+ ions.…”