Table 4. Assessment of the pH-Dependent Stability of AmST-MCs and AmT-MCs^a.

								AUL Ø (μm)		PDI		# MCs (1012 MCs/mL)		stability index
entry	buffer systemb	pH	salinity (ppt)	chaotropic (mM)	chaotropic (%)	kosmotropic (mM)	kosmotropic (%)	AmST	AmT	AmST	AmT	AmST	AmT	AmST	AmT
1	KCl/HCl	1	4.8	K+ [29.0]	100									<0.10	<0.10
				H+ [100.0]
				Cl– [100.0]
2	KCl/HCl	2	5.8	K+ [56.8]	100									<0.10	<0.10
				H+ [10.0]
				Cl– [100.0]
3	CH3COOH/CH3COONa	3	6.0	Na+ [1.8]	61	CH3COO– [1.8]	39							<0.10	<0.10
				H+ [1.0]
4	CH3COOH/CH3COONa	4	6.3	Na+ [1.5]	52	CH3COO– [1.5]	48							<0.10	<0.10
				H+ [0.1]
5	CH3COOH/CH3COONa	5	7.5	Na+ [642.0]	50	CH3COO– [642.0]	50							<0.10	<0.10
				H+ [0.01]
6	CH3COOH/CH3COONa	6	8.1	Na+ [948.0]	50	CH3COO– [948.0]	50							<0.10	<0.10
7	H2O [reference]	∼7						1.44	1.28	0.5	0.5	6.97	6.64	1.00	1.00
8	NaH2PO4/Na2HPO4	7	12.9	Na+ [139.0]	84	HPO42– [39.0]	16	1.58	0.95	0.4	0.4	1.18	1.26	0.17	0.19
				H2PO4– [61.0]
9	NaH2PO4/Na2HPO4	7	2.6	Na+ [27.8]	84	HPO42– [7.8]	16	1.39	1.35	0.5	0.5	6.90	6.71	0.99	1.01
				H2PO4– [12.2]
10	NaH2PO4/Na2HPO4	8	12.1	Na+ [105.3]	97	HPO42– [5.3]	3	1.57	0.80	0.5	0.4	2.58	4.12	0.37	0.62
				H2PO4– [94.7]
11	NaHCO3/Na2CO3	9	8.6	Na+ [110.0]	95	CO32– [10.0]	5	1.45	1.37	0.4	0.6	2.86	5.78	0.41	0.87
				HCO3– [90.0]
12	NaHCO3/Na2CO3	10	9.5	Na+ [150.0]	80	CO32– [50.0]	20	1.74	1.61	0.3	0.5	2.79	3.92	0.40	0.59
				HCO3– [50.0]
13	NaHCO3/Na2CO3	11	10.4	Na+ [190.0]	70	CO32– [90.0]	30	1.36	1.30	0.3	0.5	3.21	3.45	0.46	0.52
				HCO3– [10.0]
14	Na2HPO4/Na3PO4	12	9.1	Na+ [100.0]	50	HPO42– [50.0]	50	1.36	1.80	0.4	0.6	6.62	1.99	0.95	0.40
						PO43– [50.0]

^aThe stability index was determined as the ratio between the number of capsules before and after exposure to specified conditions.

^bPlease refer to Table S3 in the Supporting Information for details.