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Chlorhexidine

氯己定
Mechanism of action:
Chlorhexidine 是一種二雙胍類(bisbiguanide)陽離子表面活性劑。Chlorhexidine 透過與細菌細胞膜帶負電的磷脂與蛋白質結合,改變細胞膜的通透性,導致細胞內容物外漏而死亡。由於 chlorhexidine 主要針對的是細胞表面的磷脂與蛋白質,對人類細胞亦可能造成刺激或細胞毒性,不過通常使用的濃度低,傷害較小。
Reference(s):
1. McBain AJ et al. (2003). Effects of a chlorhexidine gluconate-containing mouthwash on the vitality and antimicrobial susceptibility of in vitro oral bacterial ecosystems. Appl Environ Microbiol.
2. Karpinski TM et al. (2015). Chlorhexidine: Pharmaco-biological activity and application. Eur Rev Med Pharmacol Sci.
3. Betcher DL et al. (1990). Chlorhexidine. J Pediatr Oncol Nurs.
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