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(a) Janus system created by electrospinning system using side−by−side nozzle. (b) Janus nanofibers consist of PS can CA, which was able to increase the efficiency in water harvesting [130]. Copyright 2021, American Chemical Society. (c) The different dissolve rates between the two sides of Janus nanofibers for drug delivery to multiple locations [132]. Copyright 2016, Elsevier.
