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.