Cellulose-based electrospun fibers are fragmented by sonication-induced cavitation in water. The fragmentation process reveals a hierarchical structure of the electrospun structures, which are composed of closely-packed nanofilaments aligned along the fiber main axis. The limiting length of the electrospun filaments, which is reached after sonication, can be related to their mechanical properties allowing for the determination of a single fiber's tensile strength by using a high-volume statistical method developed by Terentjev et al. Further details can be found in the article by J. Avó, S. N. Fernandes, and M. H.
Original languageEnglish
Pages (from-to)1220-1220
Number of pages1
JournalMacromolecular Rapid Communications
Issue number12
Publication statusPublished - 2015


  • cellulose acetate micro/nano fibers
  • electrospinning
  • sonication–fragmentation
  • tensile strength of nano filaments


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