Journal
CELL REPORTS PHYSICAL SCIENCE
Volume 1, Issue 6, Pages -Publisher
CELL PRESS
DOI: 10.1016/j.xcrp.2020.100076
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Funding
- MINECO [CTQ2017-89588-R, SAF2016-76689-R, CTQ2017-84767-P, RYC-2014-16962, RYC-2017-23457]
- Xunta de Galicia [ED431F 2017/02, 2015-CP082, ED431C 2017/19, ED431G 2019/03]
- European Union (European Regional Development Fund [ERDF]
- H2020-MSCA-IF-2016 grant agreement [749667]
- INTERREG V-A Spain-Portugal [POCTEP] 2014-2020 [0624_2IQBIONEURO_6_E]
- European Research Council [340055]
- orfeo-cinqa network [CTQ2016-81797-REDC]
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Translating the potential of transition metal catalysis to biological and living environments promises to have a profound impact in chemical biology and biomedicine. A major challenge in the field is the creation of metal-based catalysts that remain active over time. Here, we demonstrate that embedding a reactive metallic core within a microporous metal-organic framework-based cloak preserves the catalytic site from passivation and deactivation, while allowing a suitable diffusion of the reactants. Specifically, we report the fabrication of nanoreactors composed of a palladium nanocube core and a nanometric imidazolate framework, which behave as robust, long-lasting nanoreactors capable of removing propargylic groups from phenol-derived pro-fluorophores in biological milieu and inside living cells. These heterogeneous catalysts can be reused within the same cells, promoting the chemical transformation of recurrent batches of reactants. We also report the assembly of tissue-like 3D spheroids containing the nanoreactors and demonstrate that they can perform the reactions in a repeated manner.
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