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生物来源
bovine testis
质量水平
偶联物
conjugate (Glucosaminoglycan)
类型
Type IV-S
表单
lyophilized powder (essentially salt-free)
比活
750-3000 units/mg solid
分子量
~55 kDa (four subunits of 14 kDa each)
应用
diagnostic assay manufacturing
相关疾病
cancer
储存温度
−20°C
基因信息
cow ... HYAL1(515397) , HYAL2(281838)
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生化/生理作用
单位定义
其他说明
警示用语:
Danger
危险声明
预防措施声明
危险分类
Resp. Sens. 1
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
法规信息
历史批次信息供参考:
分析证书(COA)
How does the storage temperature relate to shipping conditions?
The storage conditions that a Sigma-Aldrich catalog and label recommend for products are deliberately conservative. For many products, long-term storage at low temperatures will increase the time during which they are expected to remain in specification and therefore are labeled accordingly. Where short-term storage, shipping time frame, or exposure to conditions other than those recommended for long-term storage will not affect product quality, Sigma-Aldrich will ship at ambient temperature. The products sensitive to short-term exposure to conditions other than their recommended long-term storage are shipped on wet or dry ice. Ambient temperature shipping helps to control shipping costs for our customers. At any time, our customers can request wet- or dry-ice shipment, but the special handling is at customer expense if our product history indicates that the product is stable for regular shipment. See Shipping and Storage for more information.
Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
How do I find price and availability?
There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 or view local office numbers.
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
Can stock solutions of Product H3884, Hyaluronidase from bovine testes, be stored frozen after reconstitution?
Although Sigma-Aldrich has not tested the stability of stock solutions of Product H3884, Hyaluronidase from bovine testes, several publications cite storage of solutions of H3884 at -20 °C:1. Campbell, Keith H.S, "Transgenic Sheep form Cultured Cells", from Transgenesis Techniques: Principles and Protocols, Methods Mol. Biol., 180, 289-301 (2002). A 1500 IU/mL stock solution was stored in 20 mL aliquots at -20 °C.2. Marschall, S. and de Angelis, M.H., "In Vitro Fertilization/Cryopreservation", from Transgenic Mouse: Methods and Protocols, Methods in Molecular Biology, 209, pp. 35-50. Humana Press (2003). 1 mg/mL stock solutions in M2 medium or water, sterile-filtered (0.22 mm filter) can be stored in aliquots at -20 °C.
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商品
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Glycosaminoglycans are large linear polysaccharides constructed of repeating disaccharide units.
实验方案
To measure hyaluronidase activity, a turbidimetric determination assay is used at 600 nm. One unit of hyaluronidase activity will cause a change in absorbance of 0.330 per minute at pH 5.35 at 37 °C.
在测定透明质酸酶活性时,使用了一种在600 nm处的比浊测定法进行测定。在pH 5.35、37 °C下,一单位的透明质酸酶活性可每分钟引起0.330的吸光值改变。
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