推薦產品
生物源
Escherichia coli (K-235)
品質等級
形狀
lyophilized powder
純化經由
gel-filtration chromatography
雜質
<1% Protein
顏色
white to yellow cast
溶解度
water: 4.90-5.10 mg/mL, cloudy to hazy, colorless to faintly yellow
運輸包裝
ambient
儲存溫度
2-8°C
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相關類別
一般說明
本品从大肠杆菌血清型K235中提取，经凝胶过滤纯化。来源菌株为 ATCC 13027。
生化／生理作用
脂多糖（LPS）位于膜的外层，并且在非包封的菌株中暴露在细胞表面上。它们有助于外膜的完整性，并保护细胞免受胆汁盐和亲脂性抗生素的作用。
準備報告
产物可溶于水（5mg/ml）或细胞培养基（1mg/ml），产生浑浊的淡黄色溶液。在经过涡旋，并升温至 70-80oC 后，含水盐水变得更浓缩，但仍然浑浊（20mg/ml）。脂多糖分子在每种溶剂中均形成胶束。在水和磷酸盐缓冲盐水中观察到浑浊的溶液。使用有机溶剂，溶液也是浑浊的。甲醇产生具有漂浮物的浑浊悬浮液，而水则产生均匀浑浊的溶液。
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
個人防護裝備
Eyeshields, Gloves, type N95 (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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