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Article

Modelling the Nanomechanical Responses of Biofilms Grown on the Indenter Probe

by , and *
School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
*
Author to whom correspondence should be addressed.
These two authors contribute equally to this study, so they are co-first authors.
Processes 2018, 6(7), 84; https://doi.org/10.3390/pr6070084
Received: 17 May 2018 / Revised: 11 June 2018 / Accepted: 19 June 2018 / Published: 2 July 2018
Biofilms have a profound impact on the environment, human health and industrial systems. In order to manage and control them, it is important to measure their mechanical properties intact. Therefore, it has been proposed to grow the biofilms on the atomic force microscope prior to nanoindentation tests with the same probe. However, for nanoindentation of biofilm grown on spherical indenter itself, the existing nanoindentation models become invalid. Therefore, modified models have been proposed to describe the nanoindentation response of biofilm grown on a sphere based on finite element modelling. It was found that the applicability of the models depends on the biofilm thickness and constitutive mechanical models adopted for biofilms. The models developed here would enable more reliable determination of viscoelastic properties of biofilms that grow intact on the indenter itself. View Full-Text
Keywords: nanoindentation; modelling; biofilm nanoindentation; modelling; biofilm
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MDPI and ACS Style

Xia, Y.; Duan, P.; Chen, J. Modelling the Nanomechanical Responses of Biofilms Grown on the Indenter Probe. Processes 2018, 6, 84. https://doi.org/10.3390/pr6070084

AMA Style

Xia Y, Duan P, Chen J. Modelling the Nanomechanical Responses of Biofilms Grown on the Indenter Probe. Processes. 2018; 6(7):84. https://doi.org/10.3390/pr6070084

Chicago/Turabian Style

Xia, Yuqing, Pengfei Duan, and Jinju Chen. 2018. "Modelling the Nanomechanical Responses of Biofilms Grown on the Indenter Probe" Processes 6, no. 7: 84. https://doi.org/10.3390/pr6070084

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