Sonodynamic action of chlorin e6 on Staphylococcus aureus and Escherichia coli
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AbstractBacteria remain a great threat to human health. In the present study, we examined whether sonodynamic action of chlorin e6 had antibacterial activity on gram-positive bacterial strain Staphylococcus aureus (S. aureus) and gram-negative bacterial strain Escherichia coli (E. coli). Colony forming unit (CFU) assay showed that sonodynamic treatment of chlorin e6 induced a 2-log reduction in CFU of E. coli cells, 7-log reduction in CFU of S. aureus. Fluorescent microscopy observed that dead cells remarkably increased whereas live cells decreased after sonodynamic treatment of chlorin e6 on S. aureus cells. We first demonstrated that sonodynamic action of chlorin e6 has antibacterial effect on both gram-positive and negative bacteria, more powerful on gram-positive bacteria.
All Author(s) ListXu C., Dong J., Ip M., Wang X., Leung A.W.
Journal nameUltrasonics
Volume Number64
PublisherElsevier BV
Place of PublicationNetherlands
Pages54 - 57
LanguagesEnglish-United Kingdom
KeywordsChlorin e6, Escherichia coli, Sonodynamic action, Staphylococcus aureus

Last updated on 2022-09-01 at 23:32