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. 2015 Oct 13;9:1905–1913. doi: 10.2147/OPTH.S88199

Figure 1.

Figure 1

Impact of buffer agents on Acanthamoeba castellanii encystment rates.

Note: Red bar represents percentage of trophozoites that encysted after 24 hours’ incubation, while blue bars represent percentage of population that did not (*P<0.05).

Abbreviations: BBS, borate-buffered saline; BBS-PAPB-PG+, solution containing BBS, PAPB and PG; BBS-PAPB-PG−, solution containing BBS and PAPB, without PG; PAPB, polyaminopropyl biguanide; PBS, phosphate-buffered saline; PBS-PAPB-PG+, solution containing PBS, PAPB and PG; PBS-PAPB-PG−, solution containing PBS and PAPB, without PG; PG, propylene glycol; POS, positive.