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Nuclear factor kappa-B (NF-κB) activity from LPS-stimulated RAW 264.7 macrophages (1 µg/mL) after 24h treatment with 30 µg/mL and 300 µg/mL of chitosan 70% (A) and 95% (B) DD and viscosity 10 and 3000 mPas and in combination with 30 µg/mL 5-ASA (n = 6; data given as mean ± S.D., * = p < 0.05 compared to 5-ASA 30 μg/mL alone).
