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Effect of various factors on swelling degree of uncoated microgels and release behavior of coated microgels. (A) Alginate concentration; (B) chitosan concentration; (C) chitosan molecular weight; (D) CaCl2 concentration; (E) polyelectrolyte layers; and (F) ratio of polyelectrolyte and NaCl (n = 3).
Abbreviations: PAH, poly(allylamine hydrochloride); PSS, sodium poly(styrene-sulfonate).
