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. 2023 Mar 23;15(4):1043. doi: 10.3390/pharmaceutics15041043

Table 4.

Effect of storage on particle size, PDI, and ZP of nicotine−stearic acid conjugate SLNs at 4 °C and RT.

Storage Condition
4 °C RT 4 °C RT 4 °C RT
Time (Days) Particle Size (nm) PDI ZP (mV)
0 113.5 ± 00.91 113.5 ± 0.91 0.211 ± 0.01 0.211 ± 0.01 −48.1 ± 5.75 −48.1 ± 5.75
30 128.3 ± 10.40 116.0 ± 3.36 0.291 ± 0.04 0.230 ± 0.011 −43.1 ± 4.12 −51.3 ± 6.72