earthworm bioluminescence ( species diplocardia longa ) is a sensitive tool for determination of peroxide titers in biological systems , with linearity of the standard curve for hydrogen peroxide extending from 10 nmol/l in the assay to greater than 1 mmol/l , and with sensitivity to 2 pmol of peroxide per assay .
C0020281
hydrogen peroxide
C0031180
peroxide