Table 1.

The mean diameter and EE of the PLGA, CS and PLGA@CS microspheres

	MS formulations	BSA and CHA (mg)			Mean diameter (μm)	EE (%)
		BSA	CHA	Total
PLGA MS	PLGABSA	5	0	5	7.1 ± 0.6	BSA/92.2 ± 3.6
	PLGACHA	0	5	5	7.0 ± 0.4	CHA/90.8 ± 2.6
	PLGABSA+CHA	2.5	2.5	5	7.0 ± 0.3	BSA/92.1 ± 3.2
						CHA/91.6 ± 2.6
CS MS	CSCHA	0	5	5	260.3 ± 23.3	CHA/88.5 ± 5.3
	CSBSA	5	0	5	266.2 ± 19.3	BSA/90.5 ± 4.5
	CSBSA+CHA	2.5	2.5	5	264.3 ± 26.3	BSA/89.7 ± 3.8
						CHA/90.6 ± 4.3
PLGA@CS MS	PLGACHA@CSBSA	2.5	2.5	5	290.4 ± 24.3	CHA/93.5 ± 3.7
						BSA/89.3 ± 4.6
	PLGABSA@CSCHA	2.5	2.5	5	288.2 ± 17.4	BSA/93.1 ± 3.6
						CHA/92.3 ± 4.6
	PLGABSA+CHA@CS	2.5	2.5	5	294.4 ± 12.3	BSA/92.4 ± 1.6
						CHA/91.6 ± 2.7
	PLGACHA+BSA@CSCHA+BSA	2.5	2.5	5	289.6 ± 20.8	BSA/90.9 ± 3.7
						CHA/89.9 ± 5.7