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What allows for colloidal solutions of polymers to act like solutions despite the large size of polymers?

I have been introduced to a paragraph in my textbook that I am trying to understand. Macromolecular colloids: Macromolecules in suitable solvents form solutions in which the size of the ...
Hash's user avatar
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1 vote
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What is the influence of citrate on PEG-modified polyacrylamide hydrogels?

I've been having a puzzle explaining the experimental results with the citrate anions and PEG modified polyacrylamide: According to the experimental data there is a hydrogel swelling whenever citrate ...
Žygimantas Gricius's user avatar
2 votes
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hydrodynamic thickness of polymer vs. concentration of electrolyte?

I've measured the hydrodynamic thickness of a NaPSS layer on polystyrene latex and plotted it against the concentration of the supporting electrolyte, NaCl. My graph shows a general decrease in ...
cjperkie's user avatar