TABLE 1.

Results of excystation protocols by both measures of excystation and with both AgNPs and Ag ions^a

Ag state and concn (μg/ml)	% excystation	Sporozoite/shell ratio
AgNPs
Control (no Ag)	83.33 ± 3.3	1.93 ± 0.03
0.005	79 ± 9.5	1.2 ± 0.46
0.05	88 ± 2.5	2.03 ± 0.58
0.5	62.33 ± 8.65	0.87 ± 0.52
5	53 ± 16.8	0.77 ± 0.38
50	71 ± 12.3	0.38 ± 0.3
500	33.33 ± 17.5	0.13 ± 0.07
Ag ions
Control (no Ag)	85.67 ± 3.93	2 ± 0.4
0.0005	82.67 ± 3	1.2 ± 0.46
0.005	72.33 ± 13.5	1.37 ± 0.57
0.05	78 ± 9	1.97 ± 0.47
0.5	80 ± 8.5	1.55 ± 0.35
5	79.67 ± 7	1.47 ± 0.09
50	83.33 ± 2	1.5 ± 0.35
500	66.33 ± 0.5	0.37 ± 0
5,000	62 ± 2.5	0.07 ± 0.03

^aData are means ± SEM. Values in bold are statistically significant (P < 0.05).