Lateral migration of electrospun hydrogel nanofilaments in an oscillatory flow.

Lateral migration of electrospun hydrogel nanofilaments in an oscillatory flow.
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DOI:
10.1371/journal.pone.0187815
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发表时间:
2017
期刊:
影响因子:
3.7
通讯作者:
Kowalewski TA
Kowalewski TA
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Pawłowska S;Nakielski P;Pierini F;Piechocka IK;Zembrzycki K;Kowalewski TA

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The recent progress in bioengineering has created great interest in the dynamics and manipulation of long, deformable macromolecules interacting with fluid flow. We report experimental data on the cross-flow migration, bending, and buckling of extremely deformable hydrogel nanofilaments conveyed by an oscillatory flow into a microchannel. The changes in migration velocity and filament orientation are related to the flow velocity and the filament’s initial position, deformation, and length. The observed migration dynamics of hydrogel filaments qualitatively confirms the validity of the previously developed worm-like bead-chain hydrodynamic model. The experimental data collected may help to verify the role of hydrodynamic interactions in molecular simulations of long molecular chains dynamics.
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