产品详情
简单介绍：
Leukocyte Esterase, Unsonicated
详情介绍：
| Product Name | Whole Leukocyte Esterase |
| Source | Human Leukocytes |
| Catalogue Number | 341-10 |
| Form | Liquid |
| Activity | Elastase: 5.0 - 6.0 U/mL |
| Unit Definition | One unit will catalyze the hydrolysis of one micromole of methoxy succinyl-alanine-proline-valine-p-nitroanilide per minute at 37°C and pH 7.5 (In the presence of 500 mM sodium chloride and 0.2% Triton X-100) |
| Dipstick Assay | On lysing the leukocytes, 0.45 mL per liter of saline will give a positive reaction for leukocytes with Roche Chemstrip® 10 SG or Siemens Multistix® 10 SG test strips. |
| Formulation | Suspension in 154 mM sodium chloride. |
| Appearance | Milky, white to off-white suspension |
| Odor | None |
| Recertification | 2 years |
| Storage | -20°C |
| Infectious Disease Testing | Negative or non-reactive at the donor level for anti-HIV 1 and 2, anti-HCV, HBsAg, NAT HCV, NAT HIV 1, NAT HBV, and syphilis by FDA approved methods. |
| Synonyms | Unsonicated White Blood Cell Esterase, WBC Esterase |
| UNSPSC code | 51131907 |
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