LAPSE:2018.0376
Published Article
LAPSE:2018.0376
Modelling the Nanomechanical Responses of Biofilms Grown on the Indenter Probe
July 31, 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.
Keywords
biofilm, Modelling, nanoindentation
Suggested Citation
Xia Y, Duan P, Chen J. Modelling the Nanomechanical Responses of Biofilms Grown on the Indenter Probe. (2018). LAPSE:2018.0376
Author Affiliations
Xia Y: School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
Duan P: School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK [ORCID]
Chen J: School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK [ORCID]
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Journal Name
Processes
Volume
6
Issue
7
Article Number
E84
Year
2018
Publication Date
2018-07-02
Published Version
ISSN
2227-9717
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PII: pr6070084, Publication Type: Journal Article
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LAPSE:2018.0376
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doi:10.3390/pr6070084
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Jul 31, 2018
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