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Abstract:

We study the effect of translational-rotational hydrodynamic coupling on the transient electric linear dichroism of DNA fragments in aqueous solution. As opposed to previous theoretical works, where analytic solutions valid in the limit of low electric field were reported, we present here a numerical approach which allows to obtain numerical results valid independently from the applied electric field strength. Numerical procedures here used are an extension to the transient-state of those developed in a previous work for the study of the problem in the steady-state. The molecular orientational processes induced by an electric field is characterized with statistical arguments solving the Fokker-Planck equation by means of the finite difference method to know the orientational distribution function of molecules. © 2013 American Institute of Physics.

Registro:

Documento: Artículo
Título:Electric linear dichroism transients of bent DNA fragments
Autor:Umazano, J.P.; Bertolotto, J.A.
Filiación:Facultad de Ciencias Exactas y Naturales, Universidad Nacional de la Pampa, Santa Rosa, L6300CLB, Argentina
Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, C1033AAJ, Argentina
Idioma: Inglés
Palabras clave:Analytic solution; Electric field strength; Hydrodynamic coupling; Molecular orientational; Numerical approaches; Numerical procedures; Numerical results; Orientational distribution functions; Dichroism; Electric fields; Finite difference method; Power quality; DNA; water; article; chemical structure; chemistry; electromagnetic field; hydrodynamics; solution and solubility; DNA; Electromagnetic Fields; Hydrodynamics; Models, Molecular; Solutions; Water
Año:2013
Volumen:138
Número:9
Número de artículo:095102
DOI: http://dx.doi.org/10.1063/1.4793984
Título revista:Journal of Chemical Physics
Título revista abreviado:J Chem Phys
ISSN:00219606
CODEN:JCPSA
CAS:DNA, 9007-49-2; water, 7732-18-5; DNA, 9007-49-2; Solutions; Water, 7732-18-5
PDF:https://bibliotecadigital.exactas.uba.ar/download/paper/paper_00219606_v138_n9_p_Umazano.pdf
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00219606_v138_n9_p_Umazano

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Citas:

---------- APA ----------
Umazano, J.P. & Bertolotto, J.A. (2013) . Electric linear dichroism transients of bent DNA fragments. Journal of Chemical Physics, 138(9).
http://dx.doi.org/10.1063/1.4793984
---------- CHICAGO ----------
Umazano, J.P., Bertolotto, J.A. "Electric linear dichroism transients of bent DNA fragments" . Journal of Chemical Physics 138, no. 9 (2013).
http://dx.doi.org/10.1063/1.4793984
---------- MLA ----------
Umazano, J.P., Bertolotto, J.A. "Electric linear dichroism transients of bent DNA fragments" . Journal of Chemical Physics, vol. 138, no. 9, 2013.
http://dx.doi.org/10.1063/1.4793984
---------- VANCOUVER ----------
Umazano, J.P., Bertolotto, J.A. Electric linear dichroism transients of bent DNA fragments. J Chem Phys. 2013;138(9).
http://dx.doi.org/10.1063/1.4793984