Imine-functionalized thioether Zn(II) turn-on fluorescent sensor and its selective sequential logic operations with H2PO4−, DFT computation and live cell imaging
作者： Chiranjit Patra , Anup Kumar Bhanja , Chandana Sen , Durbadal Ojha , Debprasad Chattopadhyay
DOI: 10.1039/C6RA07089B
关键词: Thioether 、 Combinatorial chemistry 、 Turn (biochemistry) 、 Fluorescence 、 Live cell imaging 、 Detection limit 、 Imine 、 Mass spectrum 、 Stereochemistry 、 Schiff base 、 Chemistry
摘要: The diformyl thioether Schiff base (H2L) exhibits fluorescent sensing behaviour towards Zn2+ with a limit of detection (LOD) 0.050 μM, which is far below the WHO guideline (76 μM) in drinking water. formation 1 : 1 metal-to-ligand complex, [ZnL], has been ascertained by X-ray crystallography, Job's plot and mass spectra. fluorogenic [ZnL] (either situ or solution isolated complex) shown selective ON–OFF emission toward H2PO4−. A two-input, one-output sequential INHIBIT logic circuit constructed from H2L, practical applicability H2L examined identification H2PO4− intracellular fluid African monkey Vero cells.
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