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Where are the charges? Which carboxylic acids along an alginate chain are
dissociated for a given
α
? This we cannot answer simply because these
equilibria are dynamic. Protons jump quickly on an off, only limited by the
criterion of an overall charge:
3.1.7. Charges and
isoelectric point of an amino acid protein
Example 1: Alanine:
⊝ ⊝⊝ ⊝ ⊝⊝⊝ ⊝
⊝⊝ ⊝ ⊝⊝ ⊝ ⊝ ⊝
⊝ ⊝ ⊝⊝⊝⊝ ⊝ ⊝
Example:
α
= 0.50