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8 Pages

Lect_06_wormlikechain

Course: PHYS 850, Fall 2009
School: UMass (Amherst)
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Word Count: 120

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D. A. D. 9/29/2004 Physics 850: Soft Condensed Matter Physics, Fall04 A.D. Dinsmore Lecture 6: the Worm-like Chain (Kratky-Porod) Model (see next page for definition of u) A.D.D. Phys 850 9/04 1 all of the molecular detail is in this one parameter A.D.D. Phys 850 9/04 2 A.D.D. Phys 850 9/04 3 A.D.D. Phys 850 9/04 4 A.D.D. Phys 850 9/04 5 A.D.D. Phys 850 9/04 6 DNA 97,000-base experiment: DNA...

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D. A. D. 9/29/2004 Physics 850: Soft Condensed Matter Physics, Fall04 A.D. Dinsmore Lecture 6: the Worm-like Chain (Kratky-Porod) Model (see next page for definition of u) A.D.D. Phys 850 9/04 1 all of the molecular detail is in this one parameter A.D.D. Phys 850 9/04 2 A.D.D. Phys 850 9/04 3 A.D.D. Phys 850 9/04 4 A.D.D. Phys 850 9/04 5 A.D.D. Phys 850 9/04 6 DNA 97,000-base experiment: DNA force-vs.-extension curve measured with laser trap and microscopy. (from R.H. Austin et al, Physics Today Feb., 1997 p32). Solid curve: WLC model, lp = 50 nm. Dashed curve: FJC model. A.D.D. Phys 850...

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