%0 Journal Article %T Fabrication of CA/TPU Helical Nanofibers and its Mechanism Analysis %A Huihui Wu %A Lei Han %A Shihang Zhao %J Archive of "Nanoscale Research Letters". %D 2018 %R 10.1186/s11671-018-2516-3 %X a Schematic of the off-centered co-electrospinning system. b Formation mechanism of helical nanofiber %K Fabrication %K Interfacial interaction %K Helical nanofibers %K Mechanism %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5902439/