Table 1.

The formulations of different SPRC-loaded poly (lactic acid) (PLA) microspheres (SPRC@PLAs).

Formulations	SPRC	W1	PLA	DCM	HS	W2
F-1	50 mg	1 mL	400 mg	12 mL	12,000 rpm	100 mL
F-2	50 mg	1 mL	800 mg	12 mL	12,000 rpm	100 mL
F-3	50 mg	1 mL	1200 mg	12 mL	12,000 rpm	100 mL
F-4	50 mg	1 mL	800 mg	12 mL	9000 rpm	100 mL
F-5	50 mg	1 mL	800 mg	12 mL	15,000 rpm	100 mL

W1 is the distilled water volume, HS is the homogenization speed, and W2 is the PVA volume.