质量
lyophilized from 5 ml vibrio culture fluid
溶解性
0.2% BSA: 2 mg/mL, very faintly hazy, yellow
异质活性
neuraminidase ~0.1 U/vial
储存温度
2-8°C
单位定义
1 U corresponds to the amount of enzyme which releases 1μmol of N-acetylneuraminic acid per minute at pH 4.5 and 37°C (Neu5Acα(2-3,6)Gal(1-4)Glc as substrate)
其他说明
Used for the serological testing (research use only) for influenza after reconstitution with 5 mL sterile water; it will then contain 0.01 % thimerosal as preservative
World Health Organ., WHO Expert Com. on Influenza, WHO Tech. Rep. Ser., 64-64 (1953)
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