污水處理設備 污泥處理設備 水處理過濾器 軟化水設備/除鹽設備 純凈水設備 消毒設備|加藥設備 供水/儲水/集水/排水/輔助 水處理膜 過濾器濾芯 水處理濾料 水處理劑 水處理填料 其它水處理設備
上海勁馬生物科技有限公司
高純,30u/mg
Description
Application Useful in the determination of lactose.
Biochem/physiol Actions 2-Deoxy-D-galactose, lactose, melibiose, raffinose and stachyose react with galactose oxidase in the peroxidase:o-tolidine system.
Essentially no oxidation of D-glucose, L-galactose, L-arabinose or D-glucuronate has been observed.
Preparation Note Chromatographically purified
Unit Definition One unit will produce a ΔA425 of 1.0 per min at pH 6.0 at 25 °C, in a peroxidase and o-tolidine system. Reaction volume = 3.4 mL. Light path = 1 cm.
Physical form Lyophilized, contains buffer salts and stabilizer
Properties
composition Protein, 5-20% biuret
storage temp. −20°C
Safety
WGK Germany 3
References
reference Avigad, G., et al. J. Biol. Chem. 237, 2736, (1962)
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