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Synthesizing Ag+: MgS, Ag+: Nb2S5, Sm3+: Y2S3, Sm3+:Er2S3, and Sm3+:ZrS2 Compound Nanoparticles for Multicolor Fluorescence Imaging of Biotissues.

ABSTRACT: Development of the fluorophores whose fluorescence bands can be flexibly selected is of great interest for biotissue imaging. Compounds of Ag+:MgS, Ag+:Nb2S5, Sm3+:Y2S3, Sm3+:Er2S3, and Sm3+:ZrS2 were obtained through new chemical synthesis. They were characterized by X-ray photoelectron spectroscopy, X-ray diffraction spectroscopy, and transmission electron microscopy. They revealed polychromatic-photoluminescence spectra when excited by 280, 380, 480, 580, 680, and 785 nm light. Especially, near-infrared emission ranging from 800-1100 nm was found upon 785 nm light excitation. A band model was proposed to explain transitions responsible for the observed components of emission. Their broad fluorescence spectra cover from the ultraviolet to near-infrared spectral range. Their ability of emitting wide-range fluorescence was utilized for multicolor fluorescence imaging of biotissues, as demonstrated by pig-kidney tissue samples.

SUBMITTER: Li Z 

PROVIDER: S-EPMC7774074 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature

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Synthesizing Ag<sup>+</sup>: MgS, Ag<sup>+</sup>: Nb<sub>2</sub>S<sub>5</sub>, Sm<sup>3+</sup>: Y<sub>2</sub>S<sub>3</sub>, Sm<sup>3+</sup>:Er<sub>2</sub>S<sub>3</sub>, and Sm<sup>3+</sup>:ZrS<sub>2</sub> Compound Nanoparticles for Multicolor Fluorescence Imaging of Biotissues.

Li Zongan Z   Li Yongzhe Y   Lin Yingcheng Y   Alam Muhammad Zulfiker MZ   Wu Ye Y  

ACS omega 20201214 51

Development of the fluorophores whose fluorescence bands can be flexibly selected is of great interest for biotissue imaging. Compounds of Ag<sup>+</sup>:MgS, Ag<sup>+</sup>:Nb<sub>2</sub>S<sub>5</sub>, Sm<sup>3+</sup>:Y<sub>2</sub>S<sub>3</sub>, Sm<sup>3+</sup>:Er<sub>2</sub>S<sub>3</sub>, and Sm<sup>3+</sup>:ZrS<sub>2</sub> were obtained through new chemical synthesis. They were characterized by X-ray photoelectron spectroscopy, X-ray diffraction spectroscopy, and transmission electron microsc  ...[more]

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