| 21. | However, if the polyelectrolyte is too heavy it will not dissolve in the solution.
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| 22. | As we increase the macroion separation, we simultaneously stretch the polyelectrolyte chain adsorbed to them.
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| 23. | When macromolecules, such as polyelectrolytes attach to surfaces, one rather calls this process adsorption.
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| 24. | Under the right conditions, oppositely charged polyelectrolyte chains can assemble into flexible, fluid complexes.
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| 25. | A'strong'polyelectrolyte is one which dissociates completely in solution for most reasonable pH values.
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| 26. | Polyelectrolytes which bear both cationic and anionic repeat groups are called "'polyampholytes " '.
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| 27. | Polyelectrolytes have many applications, mostly related to modifying flow and stability properties of aqueous solutions and gels.
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| 28. | It is water-soluble, forms gels when cross linked, and acts as a cationic polyelectrolyte.
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| 29. | At equilibrium, the relationship between these polyelectrolyte layers and a fluid bulk is called the Donnan equilibrium.
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| 30. | The three main research axes concern : polyelectrolytes, polymers at the interfaces and self-assembly systems.
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