Polydesoxynucleotide als DNA-Modelle

Wulff, Karl

doi:10.1007/bf00597202

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1996

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Networks of hydrogen bonds between pyridones ‐ structure breaking effects by organic solvents and sensor applications

Dickert¹,

Keppler²,

Zwissler³

et al. 1996

Ber Bunsenges Phys Chem

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Pyridone shows self-assembling properties via hydrogen bonds as can be shown by IR-spectroscopy. In this way networks are formed by intermolecular interaction of tris-(2-pyridone-5-carbonacid)-glycerol ester, each molecule containing three units of pyridone. The structure breaking effect of organic solvents leads to a reduced ordering of this material and can be observed directly by hyperchromic changes of the UV-absorbance. This process is traced by capacity measurements as the unpaired structures of pyridone possess a strong dipole moment. For this purpose the permittivity of an interdigital capacitor (IDC) coated with a thin solid film of the network-forming material is measured in an atmosphere of organic solvent vapours.

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