推薦產品
生物源
Escherichia coli (O55:B5)
品質等級
形狀
aqueous solution
濃度
1 mg/mL
顏色
white to faint yellow
溶解度
water: 4.90-5.10 mg/mL, faintly hazy to hazy, colorless to faintly yellow
運輸包裝
wet ice
儲存溫度
2-8°C
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一般說明
本品为 0.2 μm 过滤水溶液，含 1 mg/mL 来自大肠杆菌血清型 O55:B5 的脂多糖 (LPS)。来源菌株为 CDC 1644-70。这种 LPS 血清型已被用于感染性休克和心肌炎的研究。
應用
脂多糖（LPS）是革兰氏阴性细菌细胞壁的特征组分。脂多糖及其脂质 A 部分通过 Toll 样受体 4（TLR4）刺激先天免疫系统的细胞，Toll 样受体 4是 Toll 样受体蛋白家族的成员，其识别常见的病原体相关分子模式（PAMP）。
生化／生理作用
脂多糖位于膜的外层，在非包膜菌株中，暴露在细胞表面。它们有助于外膜的完整性，保护细胞免受胆盐和亲脂性抗生素的作用。
準備報告
用于制备溶液的 LPS 经过苯酚提取和凝胶过滤层析纯化。通过苯酚提取制备的脂多糖含有高达 60% 的 RNA 和少于 1% 的蛋白质。随后通过凝胶过滤色谱法进行纯化，可去除苯酚提取的 LPS 中存在的大部分蛋白质，但留下的产物仍含有 10-20% 的核酸。采用离子交换色谱法进一步纯化，得到含 < 1% 蛋白质和 < 1%RNA 的 LPS 产品。
相關產品
產品號碼
描述
訂價
儲存類別代碼
12 - Non Combustible Liquids
水污染物質分類（WGK）
WGK 1
閃點（°F）
Not applicable
閃點（°C）
Not applicable
個人防護裝備
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
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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文章
Explore the structure, function, and diverse applications of Lipopolysaccharides. Discover their role in bacteria, serological specificity, and research potential.
相關內容
Lipopolysaccharide (LPS) is a major component of Gram-negative bacteria, important for microbiological research.
脂多醣 (LPS) 是革蘭氏陰性細菌的主要成分，對微生物研究非常重要。
我們的科學家團隊在所有研究領域都有豐富的經驗，包括生命科學、材料科學、化學合成、色譜、分析等.
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