“…We also found that hydrogen peroxide sterilizers show lower sporicidal effect in stainless tube than in PTFE tube while the peracetic acid-containing hydrogen peroxide gas sterilizer shows high sporicidal effect in both tubes. This result suggests that hydrogen peroxide is decomposed by transition metal (Ni, Cr and Fe) in stainless steel (Amou et al, 2018) , while peracetic acid is not affected.…”