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This article reviews our understanding of ionization processes of weak polyelectrolytes. The emphasis is put on a general introduction to site binding models, which are able to account for many experimental features of linear and branched polyelectrolytes, including dendrimers. These models are fully compatible with the classical description of acid–base equilibria. The review further discusses the...
Ionization properties of simple polyprotic acids and bases (oligoprotic carboxylic acids, polyelectrolytes, latex particles, proteins) can be described quantitatively with Ising models. These mechanistic models incorporate relevant molecular details and allow determination of exact affinity distributions (pK spectra). At present, such a molecularly based approach is too involved for complex heterogeneous...
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