Nanomechanical Characterization of Bacterial Polyhydroxyalkanoates Using Atomic Force Microscopy
Polyhydroxyalkanoates are a promising class of biopolymers that can allow the production of sustainable plastic materials. The mechanical properties of such materials are very important for possible industrial applications, but the amount of polymer required for common mechanical testing can be orde...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-05-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/12/10/4994 |
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| author | Simone Bagatella Riccardo Ciapponi Stefano Turri |
| author_facet | Simone Bagatella Riccardo Ciapponi Stefano Turri |
| author_sort | Simone Bagatella |
| collection | DOAJ |
| description | Polyhydroxyalkanoates are a promising class of biopolymers that can allow the production of sustainable plastic materials. The mechanical properties of such materials are very important for possible industrial applications, but the amount of polymer required for common mechanical testing can be orders of magnitude more than what is possible to achieve with a lab-scale process. Nanoindentation with the Atomic Force Microscope allows an estimation of the Elastic Modulus that can be used as a preliminary measurement on PHA when only a limited amount of material is available. Poly(hydroxybutyrate-co-hydroxyvalerate) copolymers were analyzed, with moduli ranging from 528 ± 62 MPa to 1623 ± 172 MPa, according to both the composition and the crystallization kinetics. |
| first_indexed | 2024-03-10T03:24:47Z |
| format | Article |
| id | doaj.art-cb17e6eae5f84289a9b4c2d78fd46962 |
| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-10T03:24:47Z |
| publishDate | 2022-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj.art-cb17e6eae5f84289a9b4c2d78fd469622023-11-23T09:56:15ZengMDPI AGApplied Sciences2076-34172022-05-011210499410.3390/app12104994Nanomechanical Characterization of Bacterial Polyhydroxyalkanoates Using Atomic Force MicroscopySimone Bagatella0Riccardo Ciapponi1Stefano Turri2Dipartimento di Chimica, Materiali e Ingegneria Chimica “Giulio Natta”, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milan, ItalyDipartimento di Chimica, Materiali e Ingegneria Chimica “Giulio Natta”, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milan, ItalyDipartimento di Chimica, Materiali e Ingegneria Chimica “Giulio Natta”, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milan, ItalyPolyhydroxyalkanoates are a promising class of biopolymers that can allow the production of sustainable plastic materials. The mechanical properties of such materials are very important for possible industrial applications, but the amount of polymer required for common mechanical testing can be orders of magnitude more than what is possible to achieve with a lab-scale process. Nanoindentation with the Atomic Force Microscope allows an estimation of the Elastic Modulus that can be used as a preliminary measurement on PHA when only a limited amount of material is available. Poly(hydroxybutyrate-co-hydroxyvalerate) copolymers were analyzed, with moduli ranging from 528 ± 62 MPa to 1623 ± 172 MPa, according to both the composition and the crystallization kinetics.https://www.mdpi.com/2076-3417/12/10/4994AFMnanoindentationnanomechanicselastic modulusbiopolymerspolyhydroxyalkanoates |
| spellingShingle | Simone Bagatella Riccardo Ciapponi Stefano Turri Nanomechanical Characterization of Bacterial Polyhydroxyalkanoates Using Atomic Force Microscopy Applied Sciences AFM nanoindentation nanomechanics elastic modulus biopolymers polyhydroxyalkanoates |
| title | Nanomechanical Characterization of Bacterial Polyhydroxyalkanoates Using Atomic Force Microscopy |
| title_full | Nanomechanical Characterization of Bacterial Polyhydroxyalkanoates Using Atomic Force Microscopy |
| title_fullStr | Nanomechanical Characterization of Bacterial Polyhydroxyalkanoates Using Atomic Force Microscopy |
| title_full_unstemmed | Nanomechanical Characterization of Bacterial Polyhydroxyalkanoates Using Atomic Force Microscopy |
| title_short | Nanomechanical Characterization of Bacterial Polyhydroxyalkanoates Using Atomic Force Microscopy |
| title_sort | nanomechanical characterization of bacterial polyhydroxyalkanoates using atomic force microscopy |
| topic | AFM nanoindentation nanomechanics elastic modulus biopolymers polyhydroxyalkanoates |
| url | https://www.mdpi.com/2076-3417/12/10/4994 |
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