Core Functionality and Scaling Behavior of Lysine Dendrimers | Zendy

Fritzinger Bernd | Zendy; Appelhans Dietmar | Zendy; Voit Brigitte | Zendy; Scheler Ulrich | Zendy

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Core Functionality and Scaling Behavior of Lysine Dendrimers

Author(s) -

Fritzinger Bernd,

Appelhans Dietmar,

Voit Brigitte,

Scheler Ulrich

Publication year - 2005

Publication title -

macromolecular rapid communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.348

H-Index - 154

eISSN - 1521-3927

pISSN - 1022-1336

DOI - 10.1002/marc.200500320

Subject(s) - dendrimer , molar mass , hydrodynamic radius , radius , scaling , exponent , materials science , chemical physics , chemistry , molecule , polymer chemistry , polymer , organic chemistry , composite material , mathematics , geometry , linguistics , philosophy , computer security , computer science , copolymer

Summary: A scaling exponent to describe the dependence of the hydrodynamic radius as a characteristic length of the molecule on the molecular weight, has been determined for low generation dendrimers with a thiacalixarene core and lysine dendrons. The hydrodynamic radius has been calculated from the diffusion coefficient measured by pulsed‐field‐gradient NMR spectroscopy. Scaling exponents of 2.0 for the lysine monodendron, 2.3 for a dendrimer with a bifunctional core, and 3.9 for a dendrimer with a tetrafunctional core have been determined. For a given structure of the dendrons, the scaling exponent reflects the functionality of the core of the dendrimers.Hydrodynamic radius of lysine dendrons as a function of molar mass.

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