Mixed-Lanthanide Metal-Organic Frameworks for Near-Infrared-I Bioimaging and Near-Infrared-III Four-Photon Upconversion.
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| Natura: | Artículo científico |
| Lingua: | en |
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Journal of the American Chemical Society
2026
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| author | Yu, Xiaolin Zhou, Zixuan Zhestkij, Nikolaj Kenzhebayeva, Yuliya Povarov, Sviatoslav A Chen, Jiabo Pavlov, Dmitry I Burzak, Nikita A Knyazeva, Aleksandra R Lazarev, Stanislav S Dyachuk, Vyacheslav A Potapov, Andrei S Sun, Lining Milichko, Valentin A Fedin, Vladimir P |
| author_facet | Yu, Xiaolin Zhou, Zixuan Zhestkij, Nikolaj Kenzhebayeva, Yuliya Povarov, Sviatoslav A Chen, Jiabo Pavlov, Dmitry I Burzak, Nikita A Knyazeva, Aleksandra R Lazarev, Stanislav S Dyachuk, Vyacheslav A Potapov, Andrei S Sun, Lining Milichko, Valentin A Fedin, Vladimir P Yu, Xiaolin Zhou, Zixuan Zhestkij, Nikolaj Kenzhebayeva, Yuliya Povarov, Sviatoslav A Chen, Jiabo Pavlov, Dmitry I Burzak, Nikita A Knyazeva, Aleksandra R Lazarev, Stanislav S Dyachuk, Vyacheslav A Potapov, Andrei S Sun, Lining Milichko, Valentin A Fedin, Vladimir P |
| collection | PubMed - marine biology |
| contents | Mixed-Lanthanide Metal-Organic Frameworks for Near-Infrared-I Bioimaging and Near-Infrared-III Four-Photon Upconversion. Yu, Xiaolin Zhou, Zixuan Zhestkij, Nikolaj Kenzhebayeva, Yuliya Povarov, Sviatoslav A Chen, Jiabo Pavlov, Dmitry I Burzak, Nikita A Knyazeva, Aleksandra R Lazarev, Stanislav S Dyachuk, Vyacheslav A Potapov, Andrei S Sun, Lining Milichko, Valentin A Fedin, Vladimir P Lanthanide-based metal-organic frameworks (Ln-MOFs) provide a structurally precise platform for upconversion luminescence engineering, yet practical applications are limited by insufficient structural stability, restricted color tunability, and the lack of excitation in the NIR-III window. Here, we report a MOF incorporating mixed-lanthanide Yb, Tb, and Eu ions that addresses these challenges. The optically transparent and periodic framework enforces a uniform spatial distribution of lanthanide centers and establishes stepwise interionic energy transfer pathways, while ether-containing organic linkers enhance photo and thermal stability. Under NIR-I (980 nm) excitation, the Ln-MOFs exhibit tunable multicolor upconversion emission with high hydrolytic stability and biocompatibility, enabling reliable in vivo imaging in zebrafish models. Remarkably, under NIR-III (1960 nm) excitation, a four-photon upconversion process is observed for the first time in Ln-MOFs. Together, these results expand the excitation landscape of Ln-MOFs from NIR-I to NIR-III and confirm the potential of structurally programmable Ln-MOFs for bioimaging and nonlinear photonic applications. |
| format | Artículo científico |
| id | pubmed_41841354 |
| institution | PubMed |
| language | en |
| publishDate | 2026 |
| publisher | Journal of the American Chemical Society |
| record_format | pubmed |
| spellingShingle | Mixed-Lanthanide Metal-Organic Frameworks for Near-Infrared-I Bioimaging and Near-Infrared-III Four-Photon Upconversion. Yu, Xiaolin Zhou, Zixuan Zhestkij, Nikolaj Kenzhebayeva, Yuliya Povarov, Sviatoslav A Chen, Jiabo Pavlov, Dmitry I Burzak, Nikita A Knyazeva, Aleksandra R Lazarev, Stanislav S Dyachuk, Vyacheslav A Potapov, Andrei S Sun, Lining Milichko, Valentin A Fedin, Vladimir P Mixed-Lanthanide Metal-Organic Frameworks for Near-Infrared-I Bioimaging and Near-Infrared-III Four-Photon Upconversion. Yu, Xiaolin Zhou, Zixuan Zhestkij, Nikolaj Kenzhebayeva, Yuliya Povarov, Sviatoslav A Chen, Jiabo Pavlov, Dmitry I Burzak, Nikita A Knyazeva, Aleksandra R Lazarev, Stanislav S Dyachuk, Vyacheslav A Potapov, Andrei S Sun, Lining Milichko, Valentin A Fedin, Vladimir P Lanthanide-based metal-organic frameworks (Ln-MOFs) provide a structurally precise platform for upconversion luminescence engineering, yet practical applications are limited by insufficient structural stability, restricted color tunability, and the lack of excitation in the NIR-III window. Here, we report a MOF incorporating mixed-lanthanide Yb, Tb, and Eu ions that addresses these challenges. The optically transparent and periodic framework enforces a uniform spatial distribution of lanthanide centers and establishes stepwise interionic energy transfer pathways, while ether-containing organic linkers enhance photo and thermal stability. Under NIR-I (980 nm) excitation, the Ln-MOFs exhibit tunable multicolor upconversion emission with high hydrolytic stability and biocompatibility, enabling reliable in vivo imaging in zebrafish models. Remarkably, under NIR-III (1960 nm) excitation, a four-photon upconversion process is observed for the first time in Ln-MOFs. Together, these results expand the excitation landscape of Ln-MOFs from NIR-I to NIR-III and confirm the potential of structurally programmable Ln-MOFs for bioimaging and nonlinear photonic applications. |
| title | Mixed-Lanthanide Metal-Organic Frameworks for Near-Infrared-I Bioimaging and Near-Infrared-III Four-Photon Upconversion. |
| url | https://pubmed.ncbi.nlm.nih.gov/41841354/ |