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Table 1 Size distribution, zeta potential and PDI of CuO NPs, FOL-PLGA-CuO NPs and CD-1, CD-2 and CD-3

From: Biosynthesis, characterization of PLGA coated folate-mediated multiple drug loaded copper oxide (CuO) nanoparticles and it’s cytotoxicity on nasopharyngeal cancer cell lines

Sl. no.   Size of nanoparticles (nm) Zeta potential (mV) Polydispersity index (PDI)
1. CuO NPs 115.24 ± 2.3 22.7 ± 0.1 0.112 ± 0.01
2. FOL-PLGA-CuO NPs 164.98 ± 1.3 − 25.7 ± 0.1 0.211 ± 0.03
3. CD-1 180.23 ± 1.1 − 26.5 ± 1.3 0.345 ± 0.01
4. CD-2 195.13 ± 1.6 − 26.3 ± 0.1 0.312 ± 0.02
5. CD-3 189.45 ± 1.4 − 24.5 ± 0.2 0.223 ± 0.03
  1. Note the shift in Zeta potential from +ve in CuO NPs to –ve in rest of formulations