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表单
liquid
pH值（酸碱度）
6.0-7.0 (20 °C in H2O)
密度
1.10-1.30 g/cm3 at 20 °C
储存温度
2-8°C
一般描述
Urease is a nickel-containing enzyme found in plants, bacteria, fungi, algae, and soil. It is a hexamer of a single chain of 840 amino acid residues. Urease is localized to mature seeds.
生化/生理作用
Ureases are metalloenzymes that catalyze the hydrolysis of urea to release ammonia (a nitrogen source for growth) and carbon dioxide. In plants, ureases are essential for the bioavailability/metabolism of nitrogen in nature and defense mechanisms. They exhibit internal peptides-mediated insecticidal action and fungicidal activity.
分析说明
Activity (Urea; pH 8.0; 25 °C): ≥ 1000 U/ml
Spec. activity (Urea; pH 8.0; 25 °C): about 500
Spec. activity (Urea; pH 8.0; 25 °C): about 500
储存分类代码
10 - Combustible liquids
WGK
WGK 1
商品
水和废水中尿素的酶法测定——尿素分解后通过靛酚蓝比色法测定
Urea in water and wastewater, enzymatic determination - Photometric determination using the indophenol blue method after cleavage of the urea
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