Journal
JOURNAL OF SOLID STATE CHEMISTRY
Volume 258, Issue -, Pages 674-681Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jssc.2017.11.032
Keywords
Uranyl complex; Glycine-derivative ligand; Ru3+ recognition; Biomolecules; Luminescent probe
Funding
- National Natural Science Foundation of China [21671157, 21371143]
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A novel highly stable 3D luminescent uranyl coordination polymer, namely {[UO2(L)]center dot DMA}(n) (1), was assembled with uranyl salt and a glycine-derivative ligand [6-(carboxymethyl-amino)-4-oxo-4,5-dihydro-[1,3,5]triazin-2-ylamino]-acetic acid (H2L) under solvothermal reaction. Besides, It was found that complex 1 possesses excellent luminescent properties, particularly the efficient selectivity and sensitivity in the recognition of Ru3+, biomacromolecule bovine serum albumin (BSA), biological small molecules dopamine (DA), ascorbic acid (AA) and uric acid (UA) in the water solution based on a turn-off' mechanism. Accordingly, the luminescent explorations also demonstrated that complex 1 could be acted as an efficient luminescent probe with high quenching efficiency and low detection limit for selectively detecting Ru3+ and biomolecules (DA, AA, UA and BSA). It was noted that the framework structure of complex 1 still remains highly stable after quenching, which was verified by powder X-ray diffraction (PXRD).
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