Fig. 1From: Designing an ideal alcohol-based hand sanitizer: in vitro antibacterial responses of ethanol and isopropyl alcohol solutions to changing compositionEffect of varying the pH on the percentage microbial death (mean ± S.D.) recorded by freshly prepared alcoholic solutions a 85% ethanol, S. aureus (Et); b 85% isopropyl alcohol (IPA), S. aureus; c 85% ethanol (ET), E. coli; and d 85% isopropyl alcohol (IPA), E. coli. N = 3Back to article page