Table 2. Variation in the Particle Size, Polydispersity Index, and Zeta Potential of the Formulated SLNs Prepared Using the Optimum Concentration of Different Stabilizers.

			particle size/(d/nm)			PDI			zeta Potential/(ζ/mV)
s. no.	drug weight/mg	% (w/w)	KP@CPT–GEL	KP@CPT–POL	KP@CPT–PLU	KP@CPT–GEL	KP@CPT–POL	KP@CPT–PLU	KP@CPT–GEL	KP@CPT–POL	KP@CPT–PLU
1	8	2	535 ± 56	485 ± 39	498 ± 42	0.51 ± 0.06	0.43 ± 0.05	0.51 ± 0.04	–23.5 ± 2.4	–22.6 ± 4.1	–24.5 ± 3.8
2	20	5	542 ± 48	505 ± 58	511 ± 43	0.48 ± 0.05	0.45 ± 0.06	0.56 ± 0.03	–23.9 ± 3.2	–23.7 ± 3.9	–24.2 ± 4.1
3	40	10	591 ± 50	518 ± 47	523 ± 37	0.56 ± 0.07	0.51 ± 0.05	0.61 ± 0.04	–24.1 ± 2.9	–22.9 ± 3.1	–24.1 ± 3.9
4	60	15	624 ± 43	553 ± 48	589 ± 39	0.53 ± 0.06	0.58 ± 0.04	0.58 ± 0.06	–22.4 ± 3.1	–24.3 ± 4.1	–23.6 ± 4.4
5	80	20	683 ± 52	589 ± 57	634 ± 64	0.59 ± 0.06	0.53 ± 0.07	0.57 ± 0.06	–23.2 ± 2.6	–22.3 ± 3.5	–22.4 ± 3.6
6	100	25	742 ± 69	676 ± 52	699 ± 58	0.61 ± 0.08	0.59 ± 0.09	0.59 ± 0.05	–23.6 ± 2.8	–21.7 ± 3.3	–22.7 ± 3.2