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Su-Kyoung Chae, Edward Kang, Ali Khademhosseini and Sang-Hoon Lee Micro/Nanometer-Scale Fiber with Highly Ordered Structures by Mimicking the Spinning Process of Silkworm Advanced Materials 25

Version of Record online: 25 APR 2013 | DOI: 10.1002/adma.201300837

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A new method for the microfluidic spinning of ultrathin fibers with highly ordered structures is proposed by mimicking the spinning mechanism of silkworms. The self-aggregation is driven by dipole–dipole attractions between polar polymers upon contact with a low-polarity solvent to form fibers with nanostrands. The induction of Kelvin–Helmholtz instabilities at the dehydrating interface between two miscible fluids generates multi-scale fibers in a single microchannel.

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