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Edible Long-Afterglow Photoluminescent Materials for Bioimaging
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- Shen, Shen (author)
- Fudan Univ, Peoples R China
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- Xie, Qishan (author)
- Fudan Univ, Peoples R China
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- Sahoo, Smruti Ranjan (author)
- Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten
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- (creator_code:org_t)
- 2024
- 2024
- English.
- In: Advanced Materials. - : WILEY-V C H VERLAG GMBH. - 0935-9648 .- 1521-4095.
- Journal article (peer-reviewed)
Abstract
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- Confining luminophores into modified hydrophilic matrices or polymers is a straightforward and widely used approach for afterglow bioimaging. However, the afterglow quantum yield and lifetime of the related material remain unsatisfactory, severely limiting the using effect especially for deep-tissue time-resolved imaging. This fact largely stems from the dilemma between material biocompatibility and the quenching effect of water environment. Herein an in situ metathesis promoted doping strategy is presented, namely, mixing approximate to 10-3 weight ratio of organic-emitter multicarboxylates with inorganic salt reactants, followed by metathesis reactions to prepare a series of hydrophilic but water-insoluble organic-inorganic doping afterglow materials. This strategy leads to the formation of edible long-afterglow photoluminescent materials with superior biocompatibility and excellent bioimaging effect. The phosphorescence quantum yield of the materials can reach dozens of percent (the highest case: 66.24%), together with the photoluminescent lifetime lasting for coupes of seconds. Specifically, a long-afterglow barium meal formed by coronene salt emitter and BaSO4 matrix is applied into animal experiments by gavage, and bright stomach afterglow imaging is observed by instruments or mobile phone after ceasing the photoexcitation with deep tissue penetration. This strategy allows a flexible dosage of the materials during bioimaging, facilitating the development of real-time probing and theranostic technology. A universal strategy is proposed to construct edible photoluminescent long-afterglow materials by embedding luminophore multicarboxylates into a series of inorganic salt lattices. Particularly, edible afterglow barium meal formed by coronene salt doped BaSO4 can be applied into gastrointestinal afterglow imaging captured by instruments or mobile phone. image
Subject headings
- NATURVETENSKAP -- Kemi -- Polymerkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Polymer Chemistry (hsv//eng)
Keyword
- bioimaging; doping materials; long-afterglow; photoluminescence; photophysics
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Wu, Hongwei
- Agren, Hans
- Liu, Qingsong
- Zhu, Liangliang
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