Beilstein J. Nanotechnol.2020,11, 991–999, doi:10.3762/bjnano.11.83
feedstock solution and winding the emerging fiber around a rotating magnetic collector needle upon coagulation. In summary, our helical chitosan microfibers are very attractive for future use in magnetictissueengineering or for the development of biocompatible actuator systems.
Keywords: biocompatible
actuators; chitosan fibers; helical fibers; magnetictissueengineering; mechanical properties; wet-spinning; Introduction
Helical fibrous structures are ubiquitous in nature and are found at virtually every length scale. A few examples are the structural motifs in proteins and DNA at the molecular level
cell behavior in vivo by applying external stimuli [41][42]. Emerging fields, such as magnetictissueengineering, which uses magnetic levitation to control cell growth, would greatly benefit from the use of magnetic scaffolds since these would replace the need for treating the cells with magnetic iron
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Figure 1:
(A, B) Shear viscosity and shear stress of bare chitosan solutions (black lines) and chitosan solut...