Single polymer chain elongation by atomic force microscopy

Langmuir

Volumn 15, Issue 8, 1999, Pages 2799-2805

  Bemis, Jason E ^a   Akhremitchev, Boris B ^a   Walker, Gilbert C ^a  

^a UNIVERSITY OF PITTSBURGH   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ATOMIC FORCE MICROSCOPY; ELASTICITY; ENTROPY; MATHEMATICAL MODELS; MOLECULAR WEIGHT; NANOSTRUCTURED MATERIALS;

KUHN LENGTHS; NONLINEAR ELASTIC RESPONSE; SINGLE POLYMER CHAIN ELONGATION;

POLYMER BLENDS;

EID: 0345580190     PISSN: 07437463     EISSN: None     Source Type: Journal    
DOI: 10.1021/la980853t     Document Type: Article

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30. In both the single chain and multichain models the last elastic response is from one chain. This demands the same fitted values for the last response for both models. In Figure 3b (single chain model fit), the six elastic responses were fit by a single persistence length, resulting in a slightly different result for the last response than that for the multichain model used in Figure 3a.
31. The vertical tip sample separation is 230 nm. With 125 mn of lateral offset between the first and third plot the total tip sample separation is 262 nm. The maximum extension ratio is 0.93 giving an estimated contour length of 282 nm.
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37. Note added in proof: A related study published after acceptance of this paper is as follows: Ortiz, C.; Hadziioannou, G. Macromolecules 1999, 32, 780-787.