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A series of Zn(II) ...
A series of Zn(II) terpyridine complexes with enhanced two-photon-excited fluorescence for in vitro and in vivo bioimaging
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- Zhang, Qiong (författare)
- Linköpings universitet,Molekylär ytfysik och nanovetenskap,Tekniska fakulteten,Anhui University, Peoples R China
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- Tian, Xiaohe (författare)
- UCL, England
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- Hu, Zhang-Jun (författare)
- Linköpings universitet,Molekylär ytfysik och nanovetenskap,Tekniska fakulteten
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- Brommesson, Caroline (författare)
- Linköpings universitet,Molekylär ytfysik och nanovetenskap,Tekniska fakulteten
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- Wu, Jieying (författare)
- Anhui University, Peoples R China
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- Zhou, Hongping (författare)
- Anhui University, Peoples R China
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- Li, Shengli (författare)
- Anhui University, Peoples R China
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- Yang, Jiaxiang (författare)
- Anhui University, Peoples R China
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- Sun, Zhaoqi (författare)
- Anhui University, Peoples R China
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- Tian, Yupeng (författare)
- Anhui University, Peoples R China; Nanjing University, Peoples R China
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- Uvdal, Kajsa (författare)
- Linköpings universitet,Molekylär ytfysik och nanovetenskap,Tekniska fakulteten
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(creator_code:org_t)
- 2015
- 2015
- Engelska.
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Ingår i: Journal of materials chemistry. B. - : ROYAL SOC CHEMISTRY. - 2050-750X .- 2050-7518. ; 3:36, s. 7213-7221
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- It is still a challenge to obtain two-photon excited fluorescent bioimaging probes with intense emission, high photo-stability and low cytotoxicity. In the present work, four Zn(II)-coordinated complexes (1-4) constructed from two novel D-A and D-p-A ligands (L-1 and L-2) are investigated both experimentally and theoretically, aiming to explore efficient two-photon probes for bioimaging. Molecular geometry optimization used for theoretical calculations is achieved using the crystallographic data. Notably, the results indicate that complexes 1 and 2 display enhanced two-photon absorption (2PA) cross sections compared to their corresponding D-A ligand (L1). Furthermore, it was found that complex 1 has the advantages of moderate 2PA cross section in the near-infrared region, longer fluorescence lifetime, higher quantum yield, good biocompatibility and enhanced two-photon excited fluorescence. Therefore, complex 1 is evaluated as a bioimaging probe for in vitro imaging of HepG2 cells, in which it is observed under a two-photon scanning microscope that complex 1 exhibits effective co-staining with endoplasmic reticulum (ER) and nuclear membrane; as well as for in vivo imaging of zebrafish larva, in which it is observed that complex 1 exhibits specificity in the intestinal system.
Ämnesord
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
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Zhang, Qiong
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Tian, Xiaohe
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Hu, Zhang-Jun
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Brommesson, Caro ...
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Wu, Jieying
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Zhou, Hongping
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visa fler...
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Li, Shengli
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Yang, Jiaxiang
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Sun, Zhaoqi
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Tian, Yupeng
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Uvdal, Kajsa
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visa färre...
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Linköpings universitet