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Internalization of PEG200 (A) and PEG20K (B) into the SCSs. SCSs were incubated for 6 h in the PEG solutions (10 wt.%) in DMEM in the presence of inhibitors. The control indicates the same protocol in the absence of inhibitors. N = 3. No statistical significance in the internalization of PEG200 among the treated systems in (A). The asterisk * in (B) indicates P < 0.05.
