Table 7. Mann–Kendall trend test data for correlation between incubation period (hr.) and core size (nm), hydrodynamic diameter (nm), zeta potential (mV) and polydispersity index (PDI).

Parameter	Core size (nm)	Hydrodynamic diameter (nm)	Zeta potential (mV)	Polydispersity index (PDI)
Kendall's tau	0.097	0.121	0.085	0.179
S	79	11	13	14
Var (S)	7923.667	333.667	697.000	268.667
p-Value (two-tailed)	0.381	0.584	0.649	0.428
α	0.05	0.05	0.05	0.05