In an article, author is Wu, Lin-Hui, once mentioned the application of 1122-62-9, Safety of 1-(Pyridin-2-yl)ethanone, Name is 1-(Pyridin-2-yl)ethanone, molecular formula is C7H7NO, molecular weight is 121.14, MDL number is MFCD00006303, category is pyridine-derivatives. Now introduce a scientific discovery about this category.
A novel Cd-II-based metal-organic framework as a multi-responsive luminescent sensor for Fe3+ MnO4-, Cr2O72-, salicylaldehyde and ethylenediamine detection with high selectivity and sensitivity
A novel luminescent Cd-I-based metal-organic framework {[Cd(BBIP)(TBIP)]center dot EtOH}(n) (1) derived from the multidentate 5-tert-butylisophthalic acid (H2TBIP) and the semi-rigid N-donor 3,5-bis(benzimidazol-1-yl) pyridine (BBIP) has been solvothermally synthesized and structurally characterized by using infrared spectroscopy, thermal analysis, single-crystal X-ray diffraction and powder X-ray diffraction. The adjacent Cd-II ions are linked by two carboxylate groups of one TBIP2- ligand with chelating mode to form a one-dimensional Cd-II-TBIP2- chain, which is further connected by the BBIP ligand to obtain a two-dimensional network. Interestingly, the fluorescence experiments indicate that 1 could be considered as a good multiresponsive sensing material for detecting Fe3+, MnO4-, Cr2O72-, salicylaldehyde (SA) and ethylenediamine (EDA) via the turn-off effect, with the detection limits of 0.53, 0.98, 3.6, 0.42 and 5.3 ppm, respectively. The luminescence quenching effect induced by Fe3+ could be mainly ascribed to the competitive absorption mechanism. The electron-transfer transition and competitive absorption mechanism could be used to explain the luminescence quenching of MnO4- and Cr2O72-. The turn-off effect of 1 on SA could be ascribed to the photoinduced electron-transfer and competitive absorption mechanisms. Meanwhile, the possible mechanism of fluorescence quenching caused by EDA could be attributed to the structure collapse. More importantly, 1 could be regenerated and reused after five cycles for Fe3+, MnO4-, Cr2O72- and SA detection. In a nutshell, 1 could be employed as a multi-responsive luminescent sensor used for the highly selective and sensitive detection of metal ions, anions and small organic molecules.
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Reference:
Pyridine – Wikipedia,
,Pyridine | C5H5N – PubChem