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Calix[4]crown in dual sensing functions with FRET |
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| Authors: | Seoung Ho Lee Ju Han Bok Juyoung Yoon Jong Seung Kim |
| Institution: | a Department of Chemistry, Dankook University, Seoul 140-714, Republic of Korea b Department of Chemistry, Ewha Womans University, Seoul 120-750, Republic of Korea c Cheil Industries Inc, Uiwang-si, Gyeonggi-do, 437-711, Republic of Korea |
| Abstract: | A new calix4]crown chemosensor based on dual sensing probes reveals Pb2+ ion selectivity over other metal ions, which arises from a hypsochromic shift of azo units in UV spectrum as well as a fluorescence enhancement of pyrenyl parts in fluorescence spectrum via a suppressed FRET. |
| Keywords: | Calixarenes Fluorescence Metal ion complexation |
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