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Item #: DK02 -
Product Description Oxidative damage to DNA is a result of its interaction with reactive oxygen species (ROS), in particular, the hydroxy radical. Hydroxy radicals, which are produced from superoxide anion and hydrogen peroxide by the Fenton reaction, produce multiple modifications in DNA. Oxidative attacks by hydroxy radicals on the deoxyribose moiety will lead to the release of free bases from DNA, generating strand breaks with various sugar modifications and simple abasic sites (AP sites)....
Item #: D678 -
Product Description Changes in antioxidant capacity of the body are involved in the development of various diseases and health problems. As a result, this increases expectations for foods with antioxidant activity (antioxidant foods). Kochi University's Shimamura et al. have developed a method using DPPH (2,2-Diphenyl-1-picrylhydrazyl) for evaluating antioxidant activity with little difference between measurement facilities1). This product uses a method including a microplate based on the...
Item #: G257 -
Product DescriptionGlutathione (γ-L-glutamyl-L-cysteinylglycine) is a tripeptide present in the body, and it is involved in antioxidation, drug metabolism, and other as enzyme substrate of glutathione peroxidase, glutathione S-transferase, and thiol transferase, etc. Glutathione is usually present as reduced form (GSH), but GSH is converted into its oxidized form (GSSG) by stimulation such as oxidative stress. Therefore, the ratio of GSH and GSSG has been noted as index of oxidative stress.The...
Item #: S311 -
Product Description Superoxide dismutase (SOD), which catalyzes the dismutation of the superoxide anion (O2.-) into hydrogen peroxide and molecular oxygen, is one of the most important antioxidative enzymes. In mammals, cytosolic SOD has a greenish color and consists of two subunits, one containing copper and the other zinc (Cu/Zn-SOD). Mitochondrial and bacterial SOD has a reddish-purple color and contains manganese (Mn-SOD). E. coli has Mn-SOD and SOD containing iron (Fe-SOD). Several direct...
Item #: T419 -
Product Description Glutathione (GSH) is the most abundant thiol compound in animal tissues, plant tissues, bacteria, and yeast. GSH has many different roles, including protection against reactive oxygen species and the maintenance of protein thiol groups. During these processes, GSH is converted into its oxidized form, glutathione disulfide (GSSG). Since GSSG is then enzymatically reduced by glutathione reductase, GSH is the dominant form in organisms. DTNB (5,5 EDithiobis(2-nitrobenzoic...