Figure 11. Typical microbial growth of gram-positive bacteria in the presence of commercially available disinfectants and antiseptics in culture. (A) Bacillus subtilis + ‘HiGeen Hand and Body Wash Gel’ at various concentrations (undiluted, 1/2, 1/4, 1/8, 1/16, and 1/32 + negative control, methanol), noting zones of inhibition. (B) Group D Streptococcus (GDS; E. faecalis)+ ‘Carrefour Nettoyant Disinfectant’ at various concentrations (undiluted, 1/2, 1/4, 1/8, 1/16, and 1/32 + positive control, novobiocin (30 μg)), noting zones of inhibition. (C) Staphylococcus aureus + ‘Spartan Max WC Lavender’ at various concentrations (undiluted, 1/2, 1/4, 1/8, 1/16, and 1/32 + positive control, novobiocin (30 μg)), noting zones of inhibition.(D) Group A Streptococcus (GAS)+ ‘La Croix Sans Javel’ at various concentrations (undiluted, 1/2, 1/4, 1/8, 1/16, and 1/32 + negative control, methanol), noting zones of inhibition.(E) Group B Streptococcus (GBS)+ ‘Clorox Bleach Rain Clean’at various concentrations (undiluted, 1/2, 1/4, 1/8, 1/16, and 1/32 + positive control, novobiocin (30 μg)), noting zones of inhibition.The number of experimental observations is n = 3. DF = Dilution factor

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The Immunomodulatory, Antimicrobial and Bactericidal Efficacy of Commonly Used Commercial Household Disinfectants, Sterilizers and Antiseptics in Vitro: Putative Anti-Inflammatory Infection Control Mechanisms and Comparative Biochemical Analysis of the Microbial Growth of Gram-Positive Bacteria

Niveen M. Masri, Lama B. Hanbali, Ahmad H. Kamar, Lana M.S. Kanafani, Mohamed B. Hanbali, John J. Haddad

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