Towards modelling of stochastic kinetics for process related to photochromic dye semi-intercalation in DNA-based polymer matrix

Antoni C. Mitus; Grzegorz Pawlik; Wojciech Kordas; Jaroslaw Mysliwiec; Andrzej Miniewicz; Francois Kajzar; Ileana Rau; James G. Grote

doi:10.1117/12.893549

2 September 2011 Towards modelling of stochastic kinetics for process related to photochromic dye semi-intercalation in DNA-based polymer matrix

Antoni C. Mitus, Grzegorz Pawlik, Wojciech Kordas, Jaroslaw Mysliwiec, Andrzej Miniewicz, Francois Kajzar, Ileana Rau, James G. Grote

Author Affiliations +

Proceedings Volume 8103, Nanobiosystems: Processing, Characterization, and Applications IV; 810309 (2011) https://doi.org/10.1117/12.893549
Event: SPIE NanoScience + Engineering, 2011, San Diego, California, United States

Abstract

The semi-intercalation of an azo-dye Disperse Red 1 (DR1) molecule into a biopolymeric material made of deoxyribonucleic acid (DNA) complexed with the cationic surfactant hexadecyltrimethyl-ammonium chloride (CTMA) formulated recently^1-3 has successfully explained the main experimental results⁴ of laser dynamic inscription of diffraction gratings: short response time, low diffraction efficiency, single-exponential kinetics and flat wavelength dependence.5 In this paper we generalize the analytic model of Ref.² to account for a more realistic dynamics of DNA-CTMA matrix. To this end we extend the model of paper⁵ by including into it probabilistic features of local free volume in DNA matrix which characterize, in a simple way, the spatial distribution of local voids which, in turn play the central role for the kinetics of photoinduced trans-cis-trans cycles of DR1 dye under the polarized laser light illumination. We discuss a stochastic master equation which generalizes the simple model of Ref.2 and address briefly the topic of non-exponential grating inscription in modelling and in recent experiments.

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Antoni C. Mitus, Grzegorz Pawlik, Wojciech Kordas, Jaroslaw Mysliwiec, Andrzej Miniewicz, Francois Kajzar, Ileana Rau, and James G. Grote "Towards modelling of stochastic kinetics for process related to photochromic dye semi-intercalation in DNA-based polymer matrix", Proc. SPIE 8103, Nanobiosystems: Processing, Characterization, and Applications IV, 810309 (2 September 2011); https://doi.org/10.1117/12.893549

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