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Fig. 3 | Journal of Nanobiotechnology

Fig. 3

From: Self-powered portable melt electrospinning for in situ wound dressing

Fig. 3

Optical pictures showing the process of melt e-spinning PCL fibers directly onto the skin producing by the hand-held melt e-spinning apparatus in 5 min and SEM images of fibers with various polymer materials produced by the hand-held melt e-spinning apparatus to further test the performances of the apparatus. a The apparatus was operated by one hand and the other hand receives the PCL fibers. b Magnified view of spinning jet. c Comparison of two hands with or without fiber membrane. d The picture shows the e-spun fiber membrane has good flexibility and the inset SEM picture is the e-spun fibers. e PLA fibers. f PLGA fibers. g hot-melt adhesive fibers

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