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Modeling the Relative Fluorescence Intensity Ratio of Eu(III) Complex in Different Solvents Based on QSPR Method

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Abstract

The quantitative structure-property relationship approach was performed to study the relative fluorescence intensity ratio (R) of Eu(DBM)3Phen (DBM—dibenzoylmethane, Phen—1,10-phenanthroline) in 34 different solvents. The multilinear regression analysis and artificial neural networks were employed to develop linear and nonlinear models, respectively. The proposed linear model contains six descriptors, with the squared correlation coefficient r 2 = 0.955 and the standard error of estimation s = 1.02. Better predictive results were obtained from the nonlinear model, with r 2 = 0.987 and s = 0.51. The descriptors involved in the models were discussed in detail too.

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Acknowledgements

This work was supported by the Foundation of Wuhan University of Science & Engineering (No. 20073208), the Natural Science Foundation of Hubei Province (No. 2007ABA075), and the Key Project of Science and Technology Research of Ministry of Education (No. 208089). The authors gratefully wish to express their thanks to the reviewers for critically reviewing the manuscript and making important suggestions.

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Authors and Affiliations

  1. Key Laboratory of Green Processing and Functional Textiles of New Textile Materials, Ministry of Education, Wuhan University of Science and Engineering, Wuhan, 430073, China

    Jie Xu, Qi Xiong, Luoxin Wang & Weilin Xu

  2. Department of History of Science and Technology and Archaeometry, University of Science and Technology of China, Hefei, 230026, China

    Biao Chen

  3. College of Electronics and Information Engineering, Wuhan University of Science and Engineering, Wuhan, 430073, China

    Li Liu

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  1. Jie Xu
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  4. Luoxin Wang
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  5. Li Liu
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Correspondence to Jie Xu.

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Xu, J., Xiong, Q., Chen, B. et al. Modeling the Relative Fluorescence Intensity Ratio of Eu(III) Complex in Different Solvents Based on QSPR Method. J Fluoresc 19, 203–209 (2009). https://doi.org/10.1007/s10895-008-0403-5

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  • DOI: https://doi.org/10.1007/s10895-008-0403-5

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