推薦產品
生物源
Escherichia coli (O111:B4)
品質等級
形狀
lyophilized powder
純化經由
gel-filtration chromatography
雜質
<1% Protein
顏色
white to faint yellow
溶解度
water: soluble
運輸包裝
ambient
儲存溫度
2-8°C
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一般說明
该产品是从E. coli血清型 O111:B4中提取，胶过滤纯化。来源菌株由私人提供。该LPS血清型已用于刺激B细胞并诱导人肝细胞的NOS。
應用
脂多糖（LPS）是革兰氏阴性菌细胞壁的特征组分。LPS及其脂质A部分可通过能够识别常见的病原体相关分子模式（PAMP）的Toll样受体蛋白家族成员Toll样受体4（TLR4）刺激先天性免疫系统细胞。
生化／生理作用
脂多糖（LPS）位于膜的外层，并且暴露在无包膜菌株的细胞表面。它们有助于维持外层膜的完整性，并保护细胞免受胆汁盐和亲脂性抗生素的破坏。
準備報告
本品溶于水(5 mg/ml)或细胞培养基（1 mg/ml），得到浑浊的淡黄色溶液。以中更为浓缩但仍然模糊的溶液（20 mg/ml）可形成于涡旋并升温至70-80oC后。脂多糖是在每种溶剂中都形成胶束的分子。在水和磷酸盐缓冲液中都能观察到模糊的溶液。有机溶剂也不会产生更为清澈的溶液。甲醇可产生具有漂浮物的混浊悬浮液，而水则能产生均匀模糊的溶液。
相關產品
產品號碼
描述
訂價
訊號詞
Danger
危險聲明
危險分類
Acute Tox. 2 Oral
儲存類別代碼
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
水污染物質分類（WGK）
WGK 3
閃點（°F）
Not applicable
閃點（°C）
Not applicable
分析證明 (COA)
輸入產品批次/批號來搜索 分析證明 (COA)。在產品’s標籤上找到批次和批號，寫有 ‘Lot’或‘Batch’.。
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