Int J Infect Control 2020, v16:i1 doi: 10.3396/ijic.v16i1.004.20 Page 1 of 6 not for citation purposes Cold plasma changes antibiotic resistance Martiěnez-Barrera et al Melina E Martínez-Barrera 1 , Jaime Bustos-Martínez 2 , Leonor Sánchez-Pérez 2 , Aída Hamdan-Partida 2 , A. Enrique Acosta-Gío 1 1 Laboratorio de Microbiología, Posgrado de la Facultad de Odontología, Universidad Nacional Autónoma de México, Mexico City. 2 Departamento de Atención a la Salud, Universidad Autónoma Metropolitana, Unidad Xochimilco, Mexico City. International Journal of Infection Control ISSN 1996-9783 www.ijic.info 10.3396/ijic.v16i1.004.20 Sub-lethal exposure to cold atmospheric plasma in vitro induces changes in bacterial antibiotic resistance profiles. A pilot study ORIGINAL ARTICLE Corresponding Author Enrique Acosta-Gio P.O. Box 70-421, Ciudad Universitaria, 04510 México D.F., México. E-mail: acostag@unam.mx Keywords: cold atmospheric plasma, antimicrobial drug resistance. Abstract To evaluate the effect of sub-lethal exposure to cold atmospheric plasma (CAP) on their antibiotic resistance, meticillin-resistant Staphylococcus aureus, Staphylococcus epidermidis, Pseudomonas aeruginosa, Escherichia coli, Streptococcus mutans, and Candida albicans were exposed in vitro to a commercially available CAP. This antimicrobial CAP inhibited growth but changed survivors’ antibiotic resistance.