5 edition of Davydov"s Soliton Revisited: Self-Trapping of Vibrational Energy in Protein (NATO Science Series: B:) found in the catalog.
February 28, 1991
Written in English
|Contributions||Peter L. Christiansen (Editor), Alwyn C. Scott (Editor)|
|The Physical Object|
|Number of Pages||534|
Abstract. The origin of the anomalous infra-red and Raman modes in acetanilide (C 6 H 5 NHCOCH 3, or ACN) (1), remains a subject of considerable family of theoretical models involves Davydov-like solitons (2) nonlinear vibrational coupling (3), or “polaronic” localized modes (4)(5).An alternative interpretation of the extra-bands in terms of a Fermi resonance was proposed. Nonlinear interactions of vibrons with lattice solitons due to the soft cubic nonlinearity in a quasi-one-dimensional lattice yield supersonic vibron solitons. Their binding energy is larger than those of the conventional Davydov solitons and vibron solitons, and their propagation velocity is uniquely determined in contrast to the latter two.
After having established that the anomalous band indeed represents a self-trapped state, we may test the original hypothesis of Davydov [2, 3], namely, that vibrational self-trapping may stabilize the excitation and thereby extend its lifetime, similar to solitons in macroscopic physics. L. Cruzeiro-Hansson and P.A.S. Silva, ``Vibrational Energy Transfer and protein conformational changes'' in Book of Abstracts of the NATO Advanced Research Workshop ``Nonlinear Waves: Classical and Quantum Aspects'', Estoril, Portugal, Jul. , p. 17 ().
P.L. Christiansen, "Energy Localization in Small Biomolecules" in "Davydov's Soliton Revisited. Self-Trapping of Vibrational Energy in Protein" (eds. P.L. Christiansen and ) NATO ASI Series B: Physics. Vol. , , Plenum (). The current status of the Davydov/Scott model for energy transfer in proteins is reviewed. After a brief introduction to the theoretical framework and to the basic results, the problems of finite temperature dynamics and of the full quantum and mixed quantum-classical approximations are described, as well as recent results obtained within each of these approximations.
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Davydov’s Soliton Revisited: Self-Trapping of Vibrational Energy in Protein (Nato Science Series B:) th Edition by Peter L. Christiansen (Editor), Alwyn C. Scott (Editor). Davydov’s Soliton Revisited Self-Trapping of Vibrational Energy in Protein.
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Very good with light shelfwear. Proceedings of a NATO Advanced. Firstly, the bio-energy is accepted by the vibrational amides in protein molecules in virtue of resonant mechanism of frequency or energy, and can transport along the protein molecules in soliton.
The soliton is formed by self-trapping of the amide I energy by the induced lattice distortion. Davydov soliton is a quantum quasiparticle representing an excitation propagating along the protein α-helix self-trapped amide I.
It is a solution of the Davydov Hamiltonian. It is named for the Soviet and Ukrainian physicist Alexander Davydov. The Davydov model was first projected in to show the nonlinear mechanism for the storage and transfer of vibrational energy in α-helix proteins.
This model is based on the assumption that transport of amide-I bond energy along a protein α-helix is the same as transport in a molecular.
The transient reflectivity (TR) technique is considered as a means of investigating vibration solitons (called Davydov solitons) in long α‐helical polymer protein molecules. It is shown that TR may provide direct proof for the existence of Davydov solitons.
Following a brief survey of past research on Davydov's soliton mechanism for the storage and transport of vibrational energy in protein, the present status of the theory is evaluated. Previous studies of Davydov solitons modeled the amino acid residues as having equal mass, taken to be the average mass of an amino acid inside the protein α-helix, namely, M = zg (zeptogram).
This modeling assumption is feasible because the biochemical variability of amino acid masses is in the range 1 ± M and has minor effects on the dynamics of the soliton. Published e-Books. Help. Track your article. Contact Form. Annals of Proteomics and Bioinformatics ISSN: Research Article.
The properties of nonlinear excitations and verification of validity of theory of energy transport in the protein molecules Pang Xiao-Feng* Published: 04/09/ | Volume 2 - Issue 1 | Pages: It is shown that collective excitations—solitons, corresponding to a combination of vibrational excitations in peptide groups and a local deformation of molecules—are possible in α‐helical protein molecules.
These excitations move along the molecule without energy losses and are perfect energy. We study a fractional version of the two-dimensional discrete nonlinear Schrödinger (DNLS) equation, where the usual discrete Laplacian is replaced by its fractional form that depends on a fractional exponent s that interpolates between the case of an identity operator (s = 0) and that of the usual discrete 2D Laplacian (s = 1).
This replacement leads to a long-range coupling among sites that. Davydov's Soliton Revisited: Self-Trapping of Vibrational Energy in Protein edited by Peter L. Christiansen and Alwyn C. Scott Nonlinear Wave Processes in Excitable Media edited by Arun V.
Holden, Mario Markus, and Hans G. Othmer Differential Geometric Methods in Theoretical Physics: Physics and Geometry edited by Ling-Lie Chau and Werner Nahm. Abstract. The bio-energy released by the hydrolysis of adenosine triphosphate, which relate to plenty of life activities and is transported in a solution, and its theory of transport are first stated and built in helix protein molecule.
Launching of Davydov solitons in protein -helix spines Danko D. Georgieva, James F. Glazebrookb aInstitute for Advanced Study, 30 Vasilaki Papadopulu Str., VarnaBulgaria bDepartment of Mathematics and Computer Science, Eastern Illinois University, Charleston, ILUSA Abstract The biological order provided by -helical secondary protein structures is an important resource exploitable.The phosphorylation and de-phosphorylation reactions in the cell, through which the bio-energy is released from ATP hydrolysis in biological systems, are described in this paper.
Firstly, the bio-e. Vibrational energy storage and propagation are simulated in a fully atomic model of an α-helix by combining the AMBER force field for proteins with an extended version of the Davydov/Scott model for amide I vibrational transfer [A. Scott, Phys. Rep.1 ()].
Dipole-dipole interactions between transition dipole moments of amide I and its on-site energies are calculated from the.