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. 2018 Apr 20;8(3):20170058. doi: 10.1098/rsfs.2017.0058

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© 2018 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 3. — SEM images of the fibres formed using pressurized gyration at 0.2 MPa and 36 000 r.p.m. (a) Low magnification SEM image demonstrating fibre morphology of pure PMMA fibres (scale bar = 50 µm); (b) high-magnification SEM image illustrating pore morphology of pure PMMA fibres (scale bar = 5 µm); (c) low-magnification SEM image of 2 wt% GNP-loaded PMMA fibres (scale bar = 200 µm); (d) high-magnification SEM image of 2 wt% GNP-loaded PMMA fibres (scale bar = 3 µm); (e) low-magnification SEM image of 4 wt% GNP-loaded PMMA fibres (scale bar = 100 µm); (f) high-magnification SEM image illustrating surface topography of 4 wt% GNP-loaded PMMA fibres (scale bar = 3 µm); (g) low-magnification SEM image of 8 wt% GNP-loaded PMMA fibres (scale bar = 200 µm); (h) high-magnification SEM image of 8 wt% GNP-loaded PMMA fibres (scale bar = 50 µm).