Viscoelastic relaxation of segment orientation in dilute polymer solutions

Abstract

Articles you may be interested inDirect measurement of polymer segment orientation and distortion in shear: Semidilute solution behavior of a conjugated system AIP Conf. On the relaxation spectra for models of dilute polymer solutions J. Rheol. 36, 885 (1992); 10.1122/1.550321 Viscoelastic relaxation of segment orientation in dilute polymer solutions. III. Results in the optimized Rouse-Zimm approximation to the rotational isomeric state hierarchy of models J. Chem. Phys. 88, 3996 (1988); 10.1063/1.453850 Viscoelastic relaxation of segment orientation in dilute polymer solutions. II. Stiffness dependence of fluorescence depolarization

Synthesis and fluorescence studies of oligoethylene glycols labeled with naphthalene by a phosphate triester linkage

“…It is well known that the ends of a polymer chain move faster than the interior segments: the dangling chain ends introduce extra drag on the interior groups undergoing large amplitude motion. Recently, Perico et al developed a model that describes the relaxation behavior of bond segments at specified locations within the polymer chain (5)(6)(7)(8). This model suggests that the rate of cyclization will depend on the specific location of the cyclizing groups within the chain interior.…”

Mode-coupling Smoluchowski dynamics of a double-stranded DNA oligomer

“…and in turn, through an analytic relation, the first-order ORZLD (optimized Rouse-Zimm local dynamics) solution to P 2 (l ) (t), 22 which will be used in the section on local dynamics of the DNA fragment.…”

Predicting protein dynamics from structural ensembles

“…This expression relies on assuming a Gaussian form for the joint probabilities in normal mode coordinates. [26] For dipolar relaxation, the Fourier transform of P 2,i (t) defines the spectral density from which spin-lattice (T 1 ) and spin-spin (T 2 ) relaxation times, and nuclear…”

“…[25,26] Proteins are anisotropic in shape and have a hydrophobic core which is only partially exposed to solvent, with this effect depending on the position of each amino acid in the protein. The LE4PD includes both rotational anisotropy and the hydrophobic core, which are features characteristic of biological macromolecules but are uncommon in synthetic polymers in solution.…”