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. 2015 Jun 19;10(6):e0129960. doi: 10.1371/journal.pone.0129960

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© 2015 Guo et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Fig 5 — SEM images of Express coronary stents coated by electrosprayed droplets obtained at different electrospraying modes: (A) cone-jet mode, (B) precession mode, and (C) multi-jet mode. These electrospraying modes were achieved at an increasing electric field of (A) 1.5 kV/cm, (B1) 1.6 kV/cm, (B2) 1.7 kV/cm, and (C) 1.8 kV/cm, respectively. Round and stretched deposited droplets were highlighted in empty yellow triangles (A) and solid yellow triangles (B), respectively.