Controlled hierarchical self-assembly of networked coordination nanocapsules: Via the use of molecular chaperones

Xiangquan Hu; Sisi Feng; Jialei Du; Li Shao; Jinxin Lang; Chen Zhang; Steven P. Kelley; Jian Lin; Scott J. Dalgarno; David A. Atwood; Jerry L. Atwood

doi:10.1039/d0sc05002d

Controlled hierarchical self-assembly of networked coordination nanocapsules: Via the use of molecular chaperones

Xiangquan Hu, Sisi Feng, Jialei Du, Li Shao, Jinxin Lang, Chen Zhang, Steven P. Kelley, Jian Lin, Scott J. Dalgarno, David A. Atwood, Jerry L. Atwood

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

Supramolecular chaperones play an important role in directing the assembly of multiple protein subunits and redox-active metal ions into precise, complex and functional quaternary structures. Here we report that hydroxyl tailed C-alkylpyrogallol[4]arene ligands and redox-active MnII ions, with the assistance of proline chaperone molecules, can assemble into two-dimensional (2D) and/or three-dimensional (3D) networked nanocapsules. Dimensionality is controlled by coordination between the exterior of nanocapsule subunits, and endohedral functionalization within the 2D system is achieved via chaperone guest encapsulation. The tailoring of surface properties of nanocapsules via coordination chemistry is also shown as an effective method for the fine-tuning magnetic properties, and electrochemical and spectroscopic studies support that the nanocapsule is an effective homogeneous water-oxidation electrocatalyst, operating at pH 6.07 with an exceptionally low overpotential of 368 mV.

Original language	English
Pages (from-to)	12547-12552
Number of pages	6
Journal	Chemical Science
Volume	11
Issue number	46
DOIs	https://doi.org/10.1039/d0sc05002d
State	Published - Dec 14 2020

Bibliographical note

Publisher Copyright:
© The Royal Society of Chemistry.

Funding

We thank University of Missouri for \uE103nancial and research facility support of this work. We thank the U.S. National Science Foundation for support of this work (1825352). This work was also partially supported by the Natural Science Foundation of Shandong Province (ZR2018BB035, 2019GSF109013), Shanxi Province (201701D121039).

Funders	Funder number
U.S. Department of Energy Chinese Academy of Sciences Guangzhou Municipal Science and Technology Project Oak Ridge National Laboratory Extreme Science and Engineering Discovery Environment National Science Foundation National Energy Research Scientific Computing Center National Natural Science Foundation of China	1825352
Shanxi Province People's Hospital	201701D121039
Natural Science Foundation of Shandong Province	ZR2018BB035, 2019GSF109013

ASJC Scopus subject areas

General Chemistry

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10.1039/d0sc05002d

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abstract = "Supramolecular chaperones play an important role in directing the assembly of multiple protein subunits and redox-active metal ions into precise, complex and functional quaternary structures. Here we report that hydroxyl tailed C-alkylpyrogallol[4]arene ligands and redox-active MnII ions, with the assistance of proline chaperone molecules, can assemble into two-dimensional (2D) and/or three-dimensional (3D) networked nanocapsules. Dimensionality is controlled by coordination between the exterior of nanocapsule subunits, and endohedral functionalization within the 2D system is achieved via chaperone guest encapsulation. The tailoring of surface properties of nanocapsules via coordination chemistry is also shown as an effective method for the fine-tuning magnetic properties, and electrochemical and spectroscopic studies support that the nanocapsule is an effective homogeneous water-oxidation electrocatalyst, operating at pH 6.07 with an exceptionally low overpotential of 368 mV.",

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AU - Feng, Sisi

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AU - Shao, Li

AU - Lang, Jinxin

AU - Zhang, Chen

AU - Kelley, Steven P.

AU - Lin, Jian

AU - Dalgarno, Scott J.

AU - Atwood, David A.

AU - Atwood, Jerry L.

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N2 - Supramolecular chaperones play an important role in directing the assembly of multiple protein subunits and redox-active metal ions into precise, complex and functional quaternary structures. Here we report that hydroxyl tailed C-alkylpyrogallol[4]arene ligands and redox-active MnII ions, with the assistance of proline chaperone molecules, can assemble into two-dimensional (2D) and/or three-dimensional (3D) networked nanocapsules. Dimensionality is controlled by coordination between the exterior of nanocapsule subunits, and endohedral functionalization within the 2D system is achieved via chaperone guest encapsulation. The tailoring of surface properties of nanocapsules via coordination chemistry is also shown as an effective method for the fine-tuning magnetic properties, and electrochemical and spectroscopic studies support that the nanocapsule is an effective homogeneous water-oxidation electrocatalyst, operating at pH 6.07 with an exceptionally low overpotential of 368 mV.

AB - Supramolecular chaperones play an important role in directing the assembly of multiple protein subunits and redox-active metal ions into precise, complex and functional quaternary structures. Here we report that hydroxyl tailed C-alkylpyrogallol[4]arene ligands and redox-active MnII ions, with the assistance of proline chaperone molecules, can assemble into two-dimensional (2D) and/or three-dimensional (3D) networked nanocapsules. Dimensionality is controlled by coordination between the exterior of nanocapsule subunits, and endohedral functionalization within the 2D system is achieved via chaperone guest encapsulation. The tailoring of surface properties of nanocapsules via coordination chemistry is also shown as an effective method for the fine-tuning magnetic properties, and electrochemical and spectroscopic studies support that the nanocapsule is an effective homogeneous water-oxidation electrocatalyst, operating at pH 6.07 with an exceptionally low overpotential of 368 mV.

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Controlled hierarchical self-assembly of networked coordination nanocapsules: Via the use of molecular chaperones

Abstract

Bibliographical note

Funding

ASJC Scopus subject areas

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