产品说明
应用
用于分化尿素代谢微生物。弱的脲酶生产者如克雷伯氏菌、肠杆菌等也可以分化。根据 Thal 和 Chen(1955)的研究，假结核耶尔森菌(尿素阳性)来自鼠疫耶尔森氏菌(尿素阴性)。
制备说明
将21g 溶解在960 mL蒸馏水中。在121℃下高压蒸汽灭菌15分钟。冷却至后50℃，通过无菌操作添加50ml(10 小瓶)无菌过滤的40% 尿素溶液(货号08582)并冷却为斜面。
其他说明
从粪便样本中筛选肠道致病菌
附注
我们现提供两种类型的培养基：GranuCult®优质颗粒状培养基和NutriSelect®高性价比粉末状培养基，满足用户不同层次的需求。
商标后的品级称号basic(基础)、plus(加强)或prime(特级)代表产品的不同质控水平，从基础的质控到标准质控加强版到全面合规的特级质控水平。
法律信息
GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany
NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany
基本信息
| NACRES | NA.74 |
产品性质
| 质量水平 | 200 |
| agency | according to GB 4789.4-2016 according to ISO 10273:2017 according to ISO 19250:2010 according to ISO 6579-1:2017 |
| 无菌性 | non-sterile |
| 产品线 | BioChemika |
| 形式 | powder |
| 保质期 | limited shelf life, expiry date on the label |
| 组成 | agar, 12 g/L gelatine peptone, 1 g/L phenol red, 0.012 g/L potassium dihydrogen phosphate, 2 g/L sodium chloride, 5 g/L |
| manufacturer/tradename | NutriSelect® Basic |
| technique(s) | microbe id | specific enzyme detection: suitable microbiological culture: suitable |
| 最终pH | 6.8±0.2 (25 ℃) |
| application(s) | clinical testing environmental food and beverages microbiology |
| 适用性 | nonselective and differential for Enterobacter spp. nonselective and differential for Escherichia coli nonselective and differential for Klebsiella spp. nonselective and differential for Proteus spp. nonselective and differential for Yersinia spp. nonselective and differential for coliforms |
安全信息
| 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) |
Sigma-Aldrich
m.cnreagent.com
