the production of hydrogen peroxide ( h2o2 ) by polymorphonuclear leukocytes ( pmns ) that are exposed to lambda-carrageenan ( 100 micrograms/ml ) and 12-0-tetradecanoylphorbol-13-acetate ( tpa , 100 ng/ml ) was measured by a colorimetric method .
C0031180
peroxide
C0020281
h2o2