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. 1997 Oct 6;139(1):1–12. doi: 10.1083/jcb.139.1.1

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Breakage of the thin filament after 75 times extension. Note the irregular undulating shape that appeared. (a) t = 0.0 s; (b) t = 0.2 s; (c) t = 0.5 s; and (d) t = 0.8 s. Because of the fast breakage and relaxation dynamics, it is hard to keep the filament in focus. Bar, 10 μm.