期刊
MOLECULES
卷 19, 期 6, 页码 7817-7831出版社
MDPI
DOI: 10.3390/molecules19067817
关键词
rhodamine B; RBAP; Sn(II) ion; chemical sensor
资金
- NSF China [81371616]
- Natural Science Foundation of Jiangsu Province [BK2011704]
- Fundamental Research Funds for the Central Universities [30920130111024, 2011ZDJH08]
- Research Fund for the Doctoral Program of Higher Education of China [20133219120020]
A new fluorescent chemosensor based on a Rhodamine B and a benzyl 3-aminopropanoate conjugate (RBAP) was designed, synthesized, and structurally characterized. Its single crystal structure was obtained and analyzed by X-ray analysis. In a MeOH/H2O (2:3, v/v, pH 5.95) solution RBAP exhibits a high selectivity and excellent sensitivity for Sn2+ ions in the presence of many other metal cations. The binding analysis using the Job's plot suggested the RBAP formed a 1:1 complex with Sn2+.
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