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. 2019 Oct 4;14:8033–8046. doi: 10.2147/IJN.S217898

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© 2019 Safer et al.

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DLS data (A) gold NPs (zeta size 47.03±45.55 (d, nm) and PdI 0.328, zeta potential 39.5±5.74 (mV)); (B) chitosan TPP NPs (zeta size 156±45.55 (d, nm) and PdI 0.381, zeta potential −12.9±8.07 (mV)); (C) gold/chitosan NPs DLS data (zeta size 160.3±36.17 (d, nm) and PdI 0.581, zeta potential 63.9±4.01 (mV); (D) EGCG/chitosan NPs (zeta size 414.8±333.8 (d, nm) and PdI 0.363, zeta potential 67.6±4mV); (E) weighted mean zeta potential (EGCG), isoelectric point at pH 4.28 (EGCG), after centrifugation and auto-titration (F) weighted mean zeta potential (chitosan/poloxamer), isoelectric point at pH10.1 after centrifugation and auto-titration; (G) weighted mean zeta potential (chitosan/EGCG). Isoelectric point at pH 6.89 (chitosan/EGCG conjugation), after centrifugation and auto-titration.