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A New Dual-peak Fluorescent Probe for Water Content Detection Made From Taxus

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Abstract

In this paper, the leaves of Taxus were used as the sole carbon source, and two kinds of carbon dots blue and red, with different properties, were synthesized by the hydrothermal method under different conditions. The red carbon dots were quenched in the water, and the blue carbon dots had stable fluorescence properties in water environment. The bimodal fluorescence probe formed by mixing could accurately and stably measure the water content in ethanol, which was in the range of 82.5%-100%, is highly correlated with the fluorescence intensity ratio (I481/I678) of mixed carbon dots under 390 nm excitation light, with R2 = 0.995 and the detection limit as low as 0.31%. The experimental materials are environmentally friendly, low in cost, and simple to operate, as well as the water content measured by proportional fluorescence has high accuracy, which provides a new method for measuring moisture in ethanol.

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Availability of Data and Material

The datasets generated during and/or analysed during the current study are available from the correspond-ing author on reasonable request.

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Acknowledgements

Authors thank supports from the Key Research and Development Projects of Sichuan Province and Sichuan Liangshan Science and Technology Plan Projects

Funding

This research work is supported by the Key Research and Development Projects of Sichuan Province (2018NZ0057), Sichuan Liangshan Science and Technology Plan Projects (21ZDFY0152).

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Author notes

  1. Gang Wang and Yaping Li are equally contributed to this work.

Authors and Affiliations

  1. College of Forestry, Sichuan Agricultural University, 611130, Chengdu, Sichuan province, China

    Gang Wang, Yaping Li, Shuqin Tang, Yuhong Yu, Abdul Qayoom Majeedano & Gang Wang

  2. Department of Landscape Plants, Sichuan Agricultural University, 611130, Chengdu, Sichuan province, China

    Shangrao Pu

  3. College of Science, Sichuan Agricultural University, 625014, Ya’an, Sichuan province, China

    Haipeng Chen & Yiyang Cheng

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  1. Gang Wang
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Contributions

G W(student), YP L, HP C and YY C jointly completed the experimental part and the writing part, SQ T and YH Y were responsible for the charts and review, A QM reviewed the whole paper and finished the revision of the English manuscript. SR P(professor) and G W (professor) were responsible for the whole experiment and the writing of the later paper. All authors read and approved the final manuscript.

Corresponding authors

Correspondence to Shangrao Pu or Gang Wang.

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Conflict of Interest

All authors, including Gang Wang – Yaping Li – Haipeng Chen – Shuqin Tang – Yiyang Cheng – Yu Yuhong – Abdul Qayoom Majeedano – Shangrao Pu – Gang Wang, declare no conflict of interest.

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Wang, G., Li, Y., Chen, H. et al. A New Dual-peak Fluorescent Probe for Water Content Detection Made From Taxus. J Fluoresc 32, 1931–1939 (2022). https://doi.org/10.1007/s10895-022-02983-6

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  • DOI: https://doi.org/10.1007/s10895-022-02983-6

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