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Dynamical light scattering for DNA-CTMA:DR1 chains: wormlike semi-flexible model, coil size and persistence length
Author(s): A. C. Mitus; W. Radosz; G. Pawlik; C. A. Lazar; F. Kajzar; I. Rau
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Paper Abstract

Recent experimental Dynamic Light Scattering (DLS) studies of the coil sizes of DNA-CTMA:Rh solutions have lead to numerical discrepancies with theoretical predictions amounting to one-two orders of magnitude.1 In this paper, which has partially character of a tutorial, we present the basic theoretical concepts underlying an analysis of the polymer coil sizes from DLS experiments. In particular, we discuss the limitations of those methods. We present a wormlike model of a polymer chain which is a promising candidate for inferring information about the spatial structure of the DNA chain from experimental data.

Paper Details

Date Published: 13 September 2016
PDF: 7 pages
Proc. SPIE 9928, Nanobiosystems: Processing, Characterization, and Applications IX, 992807 (13 September 2016); doi: 10.1117/12.2238000
Show Author Affiliations
A. C. Mitus, Wroclaw Univ. of Science and Technology (Poland)
W. Radosz, Wroclaw Univ. of Science and Technology (Poland)
G. Pawlik, Wroclaw Univ. of Science and Technology (Poland)
C. A. Lazar, Univ. Politehnica of Bucharest (Romania)
F. Kajzar, Univ. Politehnica of Bucharest (Romania)
Lab. de Chimie, CNRS, Univ. Claude Bernard, ENS Lyon (France)
I. Rau, Univ. Politehnica of Bucharest (Romania)


Published in SPIE Proceedings Vol. 9928:
Nanobiosystems: Processing, Characterization, and Applications IX
Norihisa Kobayashi; Fahima Ouchen; Ileana Rau, Editor(s)

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