Engineering multifunctional capsules through the assembly of metal-phenolic networks

Junling Guo, Hirotaka Ejima, Karen Maria Alt, Mirko V Meissner, Joseph J Richardson, Yan Yan, Karlheinz Peter, Dominik von Elverfeldt, Christoph Eugen Hagemeyer, Frank Caruso

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Metal-organic coordination materials are of widespread interest because of the coupled benefits of inorganic and organic building blocks. These materials can be assembled into hollow capsules with a range of properties, which include selective permeability, enhanced mechanical/thermal stability, and stimuli-responsiveness. Previous studies have primarily focused on the assembly aspects of metal-coordination capsules; however, the engineering of metal-specific functionality for capsule design has not been explored. A library of functional metal-phenolic network (MPN) capsules prepared from a phenolic ligand (tannic acid) and a range of metals is reported. The properties of the MPN capsules are determined by the coordinated metals, allowing for control over film thickness, disassembly characteristics, and fluorescence behavior. Furthermore, the functional properties of the MPN capsules were tailored for drug delivery, positron emission tomography (PET), magnetic resonance imaging (MRI), and catalysis. The ability to incorporate multiple metals into MPN capsules demonstrates that a diverse range of functional materials can be generated. Multifunctional capsules: A common plant phenolic compound, tannic acid, can be used to coordinate a variety of metals through a one-step assembly process, thereby yielding a broad library of metal-phenolic network (MPN; see picture) capsules. The properties of the MPN capsules are determined by the coordinated metals.
Original languageEnglish
Pages (from-to)5546 - 5551
Number of pages6
Journal Angewandte Chemie - International Edition
Volume53
Issue number22
DOIs
Publication statusPublished - 2014
Externally publishedYes

Cite this

Guo, Junling ; Ejima, Hirotaka ; Alt, Karen Maria ; Meissner, Mirko V ; Richardson, Joseph J ; Yan, Yan ; Peter, Karlheinz ; von Elverfeldt, Dominik ; Hagemeyer, Christoph Eugen ; Caruso, Frank. / Engineering multifunctional capsules through the assembly of metal-phenolic networks. In: Angewandte Chemie - International Edition. 2014 ; Vol. 53, No. 22. pp. 5546 - 5551.
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abstract = "Metal-organic coordination materials are of widespread interest because of the coupled benefits of inorganic and organic building blocks. These materials can be assembled into hollow capsules with a range of properties, which include selective permeability, enhanced mechanical/thermal stability, and stimuli-responsiveness. Previous studies have primarily focused on the assembly aspects of metal-coordination capsules; however, the engineering of metal-specific functionality for capsule design has not been explored. A library of functional metal-phenolic network (MPN) capsules prepared from a phenolic ligand (tannic acid) and a range of metals is reported. The properties of the MPN capsules are determined by the coordinated metals, allowing for control over film thickness, disassembly characteristics, and fluorescence behavior. Furthermore, the functional properties of the MPN capsules were tailored for drug delivery, positron emission tomography (PET), magnetic resonance imaging (MRI), and catalysis. The ability to incorporate multiple metals into MPN capsules demonstrates that a diverse range of functional materials can be generated. Multifunctional capsules: A common plant phenolic compound, tannic acid, can be used to coordinate a variety of metals through a one-step assembly process, thereby yielding a broad library of metal-phenolic network (MPN; see picture) capsules. The properties of the MPN capsules are determined by the coordinated metals.",
author = "Junling Guo and Hirotaka Ejima and Alt, {Karen Maria} and Meissner, {Mirko V} and Richardson, {Joseph J} and Yan Yan and Karlheinz Peter and {von Elverfeldt}, Dominik and Hagemeyer, {Christoph Eugen} and Frank Caruso",
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Engineering multifunctional capsules through the assembly of metal-phenolic networks. / Guo, Junling; Ejima, Hirotaka; Alt, Karen Maria; Meissner, Mirko V; Richardson, Joseph J; Yan, Yan; Peter, Karlheinz; von Elverfeldt, Dominik; Hagemeyer, Christoph Eugen; Caruso, Frank.

In: Angewandte Chemie - International Edition, Vol. 53, No. 22, 2014, p. 5546 - 5551.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Guo, Junling

AU - Ejima, Hirotaka

AU - Alt, Karen Maria

AU - Meissner, Mirko V

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AU - Yan, Yan

AU - Peter, Karlheinz

AU - von Elverfeldt, Dominik

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