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University of Groningen Magnetic Nanoparticles for the Control of Infectious Biofilms Quan, Kecheng

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University of Groningen

Magnetic Nanoparticles for the Control of Infectious Biofilms

Quan, Kecheng

DOI:

10.33612/diss.170829667

IMPORTANT NOTE: You are advised to consult the publisher's version (publisher's PDF) if you wish to cite from

it. Please check the document version below.

Document Version

Publisher's PDF, also known as Version of record

Publication date:

2021

Link to publication in University of Groningen/UMCG research database

Citation for published version (APA):

Quan, K. (2021). Magnetic Nanoparticles for the Control of Infectious Biofilms. University of Groningen.

https://doi.org/10.33612/diss.170829667

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Magnetic Nanoparticles

for the Control of Infectious Biofilms

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Magnetic Nanoparticles for the Control of Infectious Biofilms

University Medical Center Groningen, University of Groningen

Groningen, The Netherlands

Copyright © 2021 by Kecheng Quan

Cover: Kecheng Quan

Layout: Kecheng Quan

Printed by xxxxxxxx

ISBN (printed version): xxxxxxx

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Magnetic Nanoparticles for the Control of Infectious Biofilms

PhD thesis

to obtain the degree of PhD at the

University of Groningen

on the authority of the

Rector Magnificus Prof. C. Wijmenga

and in accordance with

the decision by the College of Deans.

This thesis will be defended in public on

Wednesday 9 June, 2021 at 11:00 hours

by

Kecheng Quan

born on 23 August 1989

in Hebei, China

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Supervisors

Prof. H. J. Busscher

Prof. H. C. van der Mei

Prof. Y. Ren

Prof. Z. Zhang

Assessment committee

Prof.

A. W. Friedrich

Prof. L. Shi

Prof. W. J. Quax

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Paranimfen:

Ke Ren

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Table of Contents

Chapter 1 General Introduction and Aim of this Thesis

Chapter 1.1 Possibilities and Impossibilities of Magnetic Nanoparticle Use in the Control of Infectious Biofilms

(Journal of Materials Science & Technology 2021, 69: 69-78. IF: 6.155) Chapter 1.2 Water in Bacterial Biofilms

(Submitted)

Chapter 1.3 Aim of the thesis

1

Chapter 2 Homogeneous Distribution of Magnetic, Antimicrobial-Carrying Nanoparticles

through an Infectious Biofilm Enhances Biofilm-Killing Efficacy (ACS Biomaterials Science and Engineering 2020, 6: 205-212. IF: 4.152)

57

Chapter 3 Artificial Channels in an Infectious Biofilm Created by Magnetic Nanoparticles

Enhanced Bacterial Killing by Antibiotics (Small 2019, 15: 1902313. IF: 11.459)

81

Chapter 4 Influence of Interaction between Surface-Modified Magnetic Nanoparticles

with Infectious Biofilm Components in Artificial Channel Digging and Biofilm Eradication by Antibiotics In vitro and In vivo

(Nanoscale 2021, 13: 4644-4653. IF: 6.895)

101

Chapter 5 On-demand Pull-off of Magnetic Nanoparticles from Biomaterial Surfaces to

Create Channels in Implant-Associated Infectious Biofilms for Enhanced Antibiotic Killing Efficacy

(Submitted)

127

Chapter 6 General Discussion 149

Summary Samenvatting 总结

153

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This PhD thesis resulted from a 2 + 2 program, sponsored by

the University Medical Center Groningen, Groningen, The Netherlands

and Soochow University, Suzhou, China.

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