biological source
Escherichia coli (K-235)
Quality Segment
form
lyophilized powder
purified by
phenol extraction
impurities
<3% Protein (Lowry)
color
white to faint yellow
solubility
water: soluble
shipped in
ambient
storage temp.
2-8°C
General description
该产品通过苯酚提取自大肠杆菌血清型K235。源菌株为ATCC 13027。
Application
- Establishment of disseminated intravascular coagulation (DIC) model by a single iv administration of Escherichia coli-derived lipopolysaccharide (LPS) to cynomolgus monkeys and evaluation of its pathophysiological status.:大肠杆菌来源脂多糖(LPS)用于建立弥散性血管内凝血(DIC)食蟹猴模型,解析DIC的病理状态和可能的治疗措施(Minomo et al., 2017)。
- Different bacterial lipopolysaccharides as toxicants and stressors in the shrimp Palaemon elegans.:该文研究各种细菌LPS(包括大肠杆菌K-235)对长臂虾(Palaemon elegans)的毒性作用,促进了解海洋生物的LPS诱导应激反应(Lorenzon et al., 2002)。
Biochem/physiol Actions
脂多糖(LPS)位于膜的外层,并且在非包封的菌株中,其暴露于细胞表面。它们有助于外膜的完整性,并可保护细胞免受胆汁盐和亲脂性抗生素的作用。
Preparation Note
该产品可溶于水(5mg / ml)或细胞培养基(1mg / ml),产生浑浊的淡黄色溶液。当涡旋并升温至70-80 oC后,在盐水中可获得更高浓度的溶液(20mg/ml),但仍然是浑浊的溶液。脂多糖是一种在各种溶剂中都形成胶束的分子。在水和磷酸盐缓冲盐水中可观察到浑浊的溶液。有机溶剂无法使溶液变澄清。甲醇会产生含有漂浮物的混浊悬浮液,而水会产生均匀的混浊溶液。
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signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 2 Oral
存储类别
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
