Engineering fluorescent carbon dot sensor with rare earth europium for the detection of uranium (VI) ion in vivo.
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| Title: | Engineering fluorescent carbon dot sensor with rare earth europium for the detection of uranium (VI) ion in vivo. |
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| Authors: | Zhou, Xiayu1 (AUTHOR), Wang, Yue1 (AUTHOR), Song, Jiayi1 (AUTHOR), Xiong, Lihao1 (AUTHOR), Zhao, Xin1 (AUTHOR), Chen, Sihan1 (AUTHOR) 172140411@qq.com, Zhao, Weichao1 (AUTHOR), Li, Le1 (AUTHOR) usclile@126.com, Zhen, Deshuai1 (AUTHOR) zhends.1987@163.com |
| Source: | Microchimica Acta. Apr2025, Vol. 192 Issue 4, p1-12. 12p. |
| Subjects: | Folic acid, Water sampling, Detection limit, Europium, Optical properties, Uranium |
| Abstract: | Three types of carbon dots were synthesized using the same precursor (folic acid and europium nitrate) via different preparation methods (doping and direct coordination). A comprehensive comparison and analysis of the morphology, surface groups, and optical properties of the prepared carbon dots (CD), europium-doped carbon dots (CD-Eu), and europium-functionalized carbon dots (CD@Eu) were conducted. Moreover, due to the higher quantum yield, excellent stability, and outstanding selectivity for UO22+ exhibited by CD-Eu, we selected CD-Eu as the probe for subsequent applications. CD-Eu showed a sensitive response to UO22+ within the concentration range 25 ~ 200 nM, with a detection limit of 0.84 nM (0.42 μg·L−1). Additionally, CD-Eu demonstrated excellent accuracy and recovery in spiked detection of real water samples. Furthermore, we discovered that this probe could detect UO22+ both invitro and invivo. This strategy provides a promising fluorescent sensor for the detection of UO22+ in water and biological samples, holding significant implications for addressing UO22+ contamination issues. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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| Abstract: | Three types of carbon dots were synthesized using the same precursor (folic acid and europium nitrate) via different preparation methods (doping and direct coordination). A comprehensive comparison and analysis of the morphology, surface groups, and optical properties of the prepared carbon dots (CD), europium-doped carbon dots (CD-Eu), and europium-functionalized carbon dots (CD@Eu) were conducted. Moreover, due to the higher quantum yield, excellent stability, and outstanding selectivity for UO22+ exhibited by CD-Eu, we selected CD-Eu as the probe for subsequent applications. CD-Eu showed a sensitive response to UO22+ within the concentration range 25 ~ 200 nM, with a detection limit of 0.84 nM (0.42 μg·L−1). Additionally, CD-Eu demonstrated excellent accuracy and recovery in spiked detection of real water samples. Furthermore, we discovered that this probe could detect UO22+ both invitro and invivo. This strategy provides a promising fluorescent sensor for the detection of UO22+ in water and biological samples, holding significant implications for addressing UO22+ contamination issues. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 00263672 |
| DOI: | 10.1007/s00604-025-07078-0 |
