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Open AccessArticle

Structure and Properties of Biodegradable PLLA/ZnO Composite Membrane Produced via Electrospinning

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Laboratory of Advanced Materials and Technology, Tomsk State University, Tomsk 634050, Russia
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Laboratory of Hybrid Plasma Systems, National Research Tomsk Polytechnic University, Tomsk 634050, Russia
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Laboratory of Biopolymers and Biotechnology, Tomsk State University, Tomsk 634050, Russia
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Department of Mechanical Engineering, Tokai University, Hiratsuka, Kanagawa 259-1259, Japan
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Division of Physical Science and Engineering, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
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Research Institute of Science and Technology, Tokai University, Hiratsuka, Kanagawa 259-1259, Japan
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School of Natural Sciences, Far Eastern Federal University, Vladivostok 690091, Russia
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Authors to whom correspondence should be addressed.
Materials 2021, 14(1), 2; https://doi.org/10.3390/ma14010002
Received: 20 November 2020 / Revised: 17 December 2020 / Accepted: 18 December 2020 / Published: 22 December 2020
These days, composite materials based on polymers and inorganic nanoparticles (NPs) are widely used in optoelectronics and biomedicine. In this work, composite membranes of polylactic acid and ZnO NPs containing 5–40 wt.% of the latter NPs were produced by means of electrospinning. For the first time, polymer material loaded with up to 40 wt.% of ZnO NPs (produced via laser ablation in air and having non-modified surface) was used to prepare fiber-based composite membranes. The morphology, phase composition, mechanical, spectral and antibacterial properties of the membranes were tested by a set of analytical techniques including SEM, XRD, FTIR, UV-vis, and photoluminescence spectroscopy. Antibacterial activity of the materials was evaluated following standard procedures (ISO 20743:2013) and using S. aureus and E. coli bacteria. It is shown that incorporation of 5–10 wt.% of NPs led to improved mechanical properties of the composite membranes, while further increase of ZnO content up to 20 wt.% and above resulted in their noticeable deterioration. At the same time, the antibacterial properties of ZnO-rich membranes were more pronounced, which is explained by a larger number of surface-exposed ZnO NPs, in addition to those embedded into the bulk of fiber material. View Full-Text
Keywords: PLLA/ZnO composite membranes; ZnO nanoparticles; pulsed laser ablation; antibacterial properties PLLA/ZnO composite membranes; ZnO nanoparticles; pulsed laser ablation; antibacterial properties
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MDPI and ACS Style

Goncharova, D.A.; Bolbasov, E.N.; Nemoykina, A.L.; Aljulaih, A.A.; Tverdokhlebova, T.S.; Kulinich, S.A.; Svetlichnyi, V.A. Structure and Properties of Biodegradable PLLA/ZnO Composite Membrane Produced via Electrospinning. Materials 2021, 14, 2. https://doi.org/10.3390/ma14010002

AMA Style

Goncharova DA, Bolbasov EN, Nemoykina AL, Aljulaih AA, Tverdokhlebova TS, Kulinich SA, Svetlichnyi VA. Structure and Properties of Biodegradable PLLA/ZnO Composite Membrane Produced via Electrospinning. Materials. 2021; 14(1):2. https://doi.org/10.3390/ma14010002

Chicago/Turabian Style

Goncharova, Daria A.; Bolbasov, Evgeny N.; Nemoykina, Anna L.; Aljulaih, Ali A.; Tverdokhlebova, Tamara S.; Kulinich, Sergei A.; Svetlichnyi, Valery A. 2021. "Structure and Properties of Biodegradable PLLA/ZnO Composite Membrane Produced via Electrospinning" Materials 14, no. 1: 2. https://doi.org/10.3390/ma14010002

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