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Metabolic activity of human gingival fibroblast (HGFIB) in response to Alg/PLL and Alg/NITEGE nanoparticle suspensions after 24 h. Alg/PLL and Alg/NITEGE nanoparticles and MilliQ water as control were diluted in DMEM with 5% FCS. Untreated cells were set to 100% metabolic activity. Mean and standard deviation of three independent experiments are shown.
