Journal
LUMINESCENCE
Volume 36, Issue 7, Pages 1761-1766Publisher
WILEY
DOI: 10.1002/bio.4118
Keywords
copper ions; fluorescent probe; picolinate; rhodol
Categories
Funding
- Jilin Science and Technology Bureau [20190104190]
- Education Department of Jilin Province [1564369511081]
- Jilin Province Development and Reform Commission [2020C036-4]
- Jilin Provincial Department of Science and Technology [20200901021SF]
- National Natural Science Foundation of China [51902125]
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A new rhodol-derived fluorescent probe 1 with high selectivity and sensitivity for Cu2+ detection was designed and synthesized. It can detect Cu2+ concentration in water samples and cell imaging experiments, showing potential for application in real environmental detection.
A new rhodol-derived fluorescent probe 1 with picolinate as the recognition receptor was designed and simply synthesized using a one-step reaction. With the concentration of added Cu2+ increases, it gradually turns pink, so the effect of naked eye detection can be achieved. The detection limit of probe 1 for Cu2+ is 42 nM, and the linear detection range was 0-2 mu M. The experimental results showed that 1 was a fluorescent probe with high selectivity, good water solubility, and high sensitivity to Cu2+. Probe 1 was successfully applied in cell imaging experiments and can detect the concentration of Cu2+ in water samples. All these indicate that probe 1 has the potential to be applied to the detection of Cu2+ concentration in the real environment.
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