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Novel Fluorescent Probe toward Fe3+ Based on Rhodamine 6G Derivatives and Its Bioimaging in Adult Mice, Caenorhabditis elegans, and Plant Tissues.


ABSTRACT: A new fluorescent probe LXY based on the rhodamine 6G platforms has been designed, synthesized, and characterized, which could recognize Fe3+ effectively in HEPES buffer (10 mM, pH = 7.4)/CH3CN (2:3, v/v). And the distinct color change and the rapid emergence of fluorescence emission at 550 nm achieved "naked eye" detection of Fe3+. The interaction mode between them was achieved by Job's plot, MS, SEM, and X-ray single-crystal diffraction. Importantly, the crystal structures proved that Fe3+ could induce the rhodamine moiety transform the closed-cycle form to the open-cycle form. But it is interesting that Fe3+ did not appear in the crystal structures. Meanwhile, the limit of detection (LOD) of LXY to Fe3+ was calculated to be 3.47 × 10-9. In addition, the RGB experiment, test papers, and silica gel plates all indicated that the probe LXY could be used to distinguish Fe3+ quantitatively and qualitatively on-site. Moreover, the probe LXY has also been successfully applied to Fe3+ image in Caenorhabditis elegans, adult mice, and plant tissues. Thus, LXY was considered to have some potential for application in bioimaging.

SUBMITTER: Zhang J 

PROVIDER: S-EPMC8015108 | biostudies-literature | 2021 Mar

REPOSITORIES: biostudies-literature

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Novel Fluorescent Probe toward Fe<sup>3+</sup> Based on Rhodamine 6G Derivatives and Its Bioimaging in Adult Mice, <i>Caenorhabditis elegans</i>, and Plant Tissues.

Zhang Jie J   Bai Cui-Bing CB   Chen Meng-Yu MY   Yue Shao-Yun SY   Qin Yu-Xin YX   Liu Xin-Yu XY   Xu Meng-Ya MY   Zheng Qi-Jun QJ   Zhang Lin L   Li Rui-Qian RQ   Qiao Rui R   Qu Chang-Qing CQ  

ACS omega 20210318 12


A new fluorescent probe <b>LXY</b> based on the rhodamine 6G platforms has been designed, synthesized, and characterized, which could recognize Fe<sup>3+</sup> effectively in HEPES buffer (10 mM, pH = 7.4)/CH<sub>3</sub>CN (2:3, v/v). And the distinct color change and the rapid emergence of fluorescence emission at 550 nm achieved "naked eye" detection of Fe<sup>3+</sup>. The interaction mode between them was achieved by Job's plot, MS, SEM, and X-ray single-crystal diffraction. Importantly, the  ...[more]

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