4.7 Article

A novel rhodamine 6G-based fluorescent and colorimetric probe for Bi3+: Synthesis, selectivity, sensitivity and potential applications

Journal

SENSORS AND ACTUATORS B-CHEMICAL
Volume 260, Issue -, Pages 204-212

Publisher

ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2017.12.109

Keywords

Chemosensor; Rhodamine 6G; Fluorescent; Colorimetric; Bismuth (III) ion

Funding

  1. National Natural Science Foundation of China [21663032, 21373178]
  2. Scientific Research Program - Shaanxi Provincial Education Department [17JK0869, 15JS121]
  3. Natural Science Foundation of Shaanxi Province [2016ZDJC-19]
  4. Startup Foundation for Docotors and Youth Science Foundation of Yan'an University [YDBK2015-06, YDBY2016-001, YDQ2017-14]
  5. Key Project of Guangdong Natural Science Foundation [2016A030311033]
  6. Science and Technology Programme of Guangzhou City [201505041557046]
  7. Innovative Scientific Research Team Introducing Project of Zhongshan City [2015-224]

Ask authors/readers for more resources

A new fluorescent and colorimetric chemosensor for the rapid detection of bismuth (III) ions has been facilely synthesized using Rhodamine 6G, ethylenediamine and pyromellitic dianhydride. Highly selective fluorescent enhancement and distinct colorimetric change were detected upon the addition of bismuth ion (Bi3+) into the sensor solution in EtOH/CH3CN (1:4, v:v) at pH 5.07.0. A linear relationship between the fluorescent emission intensity and the Bi3+ concentration from 10 mu M to 35 mu M (with the detection limit of 2.69 mu M) was observed. The UV absorbance at 525 nm increased linearly when the concentration of Bi3+ was increased from 15 mu M to 45 mu M and the detection limit is 0.69 mu M. In addition, the sensor could be used for the detection of bismuth containing drugs in the aqueous solution. (C) 2017 Elsevier B.V. All rights reserved.

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