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| 1 | A reversible fluorescent chemosensor for Fe^(3+) and H_2PO_4^- with “on-off-on” switching in aqueous media显示文摘To realize highly selective relay recognition of Fe3+ and H2PO4- ions, a simple benzimidazole-based fluorescent chemosensor(L) was designed and synthesized. Sensor L displays rapid, highly selective, and sensitive recognition to Fe3+ in H2O/DMSO(1:1, v/v) solutions. The in situ-generated L-Fe3+ complex solution exhibits a fast response and high selectivity toward dihydrogen phosphate anion via the Fe3+ displacement approach. The detection limits of sensor L to Fe3+ and L-Fe3+complex to H2PO4- anion were estimated to be 1.0 × 10-9 mol/L. Notably, the sensor was retrievable to indicate dihydrogen phosphate anions with Fe3+, and H2PO4-, in turn, increased. This successive recognition feature of sensor L makes it a potential utility for Fe3+ and H2PO4- anion detection in aqueous media. | LIU Jun LIN Qi ZHANG YouMing WEI TaiBao | 2014 | Science China Chemistry2014，57，9： | 2 |
| 2 | Synthesis, Structure and Property of One Bis (benzimidazolin-2-ylidene) Arene-mercury(Ⅱ) Complex显示文摘Reaction of a N-heterocycliccarbene(NHC) containing an anthracene unit and two N-picolyl moieties with Hg(OAc)2 yielded a novel mercury(Ⅱ) complex(1). X-ray studies, UV-vis and fluorescence spectroscopy confirmed that a strong interaction exists between the mercury atom and anthracene unit. | 李有桂 韩磊 马刚 朱成峰 | 2014 | Chinese Journal of Structural Chemistry2014，33，11： | 1 |
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