Thapa, Pawan; Byrnes, Nicholas K.; Denisenko, Alena A.; Mao, James X.; McDonald, Austin D.; Newhouse, Charleston A.; Vuong, Thanh T.; Woodruff, Katherine; Nam, Kwangho; Nygren, David R.; Jones, Benjamin J. P.; Foss, Frank W. Jr. published an article about the compound: 1,4,7,10,13-Pentaoxa-16-azacyclooctadecane( cas:33941-15-0,SMILESS:O1CCOCCOCCOCCOCCNCC1 ).Recommanded Product: 1,4,7,10,13-Pentaoxa-16-azacyclooctadecane. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:33941-15-0) through the article.
Single-mol. fluorescence imaging (SMFI) of gas-phase ions has been proposed for “”barium tagging,”” a burgeoning area of research in particle physics to detect individual barium daughter ions. This has potential to significantly enhance the sensitivity of searches for neutrinoless double-beta decay (0νββ) that is obscured by background radiation events. The chem. required to make such sensitive detection of Ba2+ by SMFI in dry Xe gas at solid interfaces has implications for solid-phase detection methods but has not been demonstrated. Here, we synthesized simple, robust, and effective Ba2+-selective chemosensors capable of function within ultrapure high-pressure 136Xe gas. Turn-on fluorescent naphthalimide-(di)azacrown ether chemosensors were Ba2+-selective and achieved SMFI in a polyacrylamide matrix. Fluorescence and NMR experiments supported a photoinduced electron transfer mechanism for turn-on sensing. Ba2+ selectivity was achieved with computational calculations correctly predicting the fluorescence responses of sensors to barium, mercury, and potassium ions. With these mols., dry-phase single-Ba2+ ion imaging with turn-on fluorescence was realized using an oil-free microscopy technique for the first time-a significant advance toward single-Ba2+ ion detection within large volumes of 136Xe, plausibly enabling a background-independent technique to search for the hypothetical process of 0νββ.
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Benzoxazole – Wikipedia,
Benzoxazole | C7H5NO – PubChem