Relaxation times dendrimer structures

Hence, the free relaxation time of dendrimers macromolecule in solution is a function of its structure that was to be expected by virtue of the general postulate any property of an object is controlled by its structure... 

Kozlov, G. V Dolbin, I. V Tlenkopachev, M. A. The intercommunication of free relaxation time and macromolecule structure for dendrimers solutions. Proceedings of Vl-th International Sci.-Techn. Conf Mathematical and Computer Simulation of Natural Scientific an Social Problems. Penza, PSU, 2012,133-136. 

The use of dendrimers as micelles was envisaged by Newkome in 1985 and was the driving force behind the gronp s original arborol synthesis however, it was not nntil 1989 that the first evidence for this phenomenon was reported by Tomalia et al. Dramatic decreases in the T relaxation times for nuclei of acetylsalicylic acid were observed when measured in solution with PAMAM dendrimers above the fourth generation, when compared to measurements recorded in solutions that contained lower generation dendrimers. This result indicated that the acetylsalicylic acid probes were at least transiently encapsulated within dendrimers. Turro and coworkers have also demonstrated encapsulation of metal ions within dendritic structures when solutions of Cu(II) and acid-terminated... 

As discussed in Sect. 8, the relaxation spectrum of a dendrimer differs considerably from that of a polymer chain. Due to the symmetry of the dendrimer many of its eigenvalues (relaxation times) are degenerate. This contrasts with the relaxation times of the Rouse chain which are all distinct (nondegenerate), see Sect. 4. Therefore, considering hybrid structures formed... 

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