Volume 132, Issue 35 pp. 15311-15315
Zuschrift

Emissive Metallacycle-Crosslinked Supramolecular Networks with Tunable Crosslinking Densities for Bacterial Imaging and Killing

Dr. Ponmani Jeyakkumar

Dr. Ponmani Jeyakkumar

State Key Laboratory for Mechanical Behavior of Materials, Shaanxi International Research Center for Soft Matter, School of Materials Science and Engineering, Xi'an Jiaotong University, Xi'an, 710049 P. R. China

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Yongping Liang

Yongping Liang

Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710054 P. R. China

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Mengying Guo

Mengying Guo

Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710054 P. R. China

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Shuai Lu

Shuai Lu

Department of Chemistry, University of South Florida, Tampa, FL, 33620 USA

College of Chemistry, Zhengzhou University, Zhengzhou, 450001 P. R. China

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Dr. Donghua Xu

Dr. Donghua Xu

State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022 P. R. China

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Prof. Xiaopeng Li

Prof. Xiaopeng Li

Department of Chemistry, University of South Florida, Tampa, FL, 33620 USA

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Prof. Baolin Guo

Prof. Baolin Guo

Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710054 P. R. China

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Prof. Gang He

Prof. Gang He

Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710054 P. R. China

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Dr. Dake Chu

Dr. Dake Chu

Department of Gastroenterology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061 P. R. China

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Prof. Mingming Zhang

Corresponding Author

Prof. Mingming Zhang

State Key Laboratory for Mechanical Behavior of Materials, Shaanxi International Research Center for Soft Matter, School of Materials Science and Engineering, Xi'an Jiaotong University, Xi'an, 710049 P. R. China

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First published: 18 May 2020
Citations: 12

Abstract

The chemical structures and topologies of the crosslinks in supramolecular networks play a crucial role in their properties and functions. Herein, the preparation of a type of poly(N-isopropylacrylamide) (PNIPAAM)-based supramolecular networks crosslinked by emissive hexagonal metallacycles is presented. The topological connections in these networks greatly affect their properties, as evidenced by their differences in absorption, emission, lower critical solution temperature, and modulus along with the variation of crosslinking densities. The integration of PNIPAAM and metallacycles in the networks benefits them improved bioavailability, making them serve as reagents for bacterial imaging and killing. This study provides a strategy to prepare cavity-crosslinked polymer networks for antibacterial applications.

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