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Merck

L2143

Sigma-Aldrich

脂多糖 来源于大肠杆菌 K-235

purified by phenol extraction

别名:

LPS

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About This Item

EC號碼:
MDL號碼:
分類程式碼代碼:
12352201
NACRES:
NA.25

生物源

Escherichia coli (K-235)

品質等級

形狀

lyophilized powder

純化經由

phenol extraction

雜質

<3% Protein (Lowry)

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

该产品通过苯酚提取自大肠杆菌血清型K235。源菌株为ATCC 13027。

應用


  • 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.: This study established a DIC model in cynomolgus monkeys using E. coli-derived LPS, providing insights into the pathophysiological status and potential therapeutic interventions for DIC (Minomo et al., 2017).

  • Different bacterial lipopolysaccharides as toxicants and stressors in the shrimp Palaemon elegans.: This research explored the toxic effects of various bacterial LPS, including E. coli K-235, on the shrimp Palaemon elegans, advancing the understanding of LPS-induced stress responses in marine organisms (Lorenzon et al., 2002).

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,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。

準備報告

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。

其他說明

为了全面了解我们针对客户研究提供的各种脂多糖产品,建议您访问我们的碳水化合物分类页面。

象形圖

Skull and crossbones

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)


分析证书(COA)

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Jessica F Hoffman et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 36(39), 10039-10049 (2016-09-30)
Identifying and understanding critical periods in brain development is essential to decoding the long-term impact of widespread, poorly defined, and frequently occurring insults such as inflammation. Using the laboratory rat Rattus norvegicus, we have discovered a narrowly constrained critical period
Jay W Chaplin et al.
Journal of immunology (Baltimore, Md. : 1950), 187(8), 4199-4209 (2011-09-16)
CD180 is homologous to TLR4 and regulates TLR4 signaling, yet its function is unclear. We report that injection of anti-CD180 mAb into mice induced rapid Ig production of all classes and subclasses, with the exception of IgA and IgG2b, with
Jay W Chaplin et al.
The Journal of experimental medicine, 210(10), 2135-2146 (2013-09-11)
Antigen (Ag) targeting is an efficient way to induce immune responses. Ag is usually coupled to an antibody (Ab) specific for a receptor expressed on dendritic cells (DCs), and then the Ag-anti-receptor is inoculated with an adjuvant. Here we report
Agnieszka Zdybicka-Barabas et al.
Amino acids, 51(2), 175-191 (2018-09-01)
Cecropins constitute an important family of insect antimicrobial peptides involved in humoral innate immune response. In comparison with the highly basic cecropins A and B, cecropins D are less cationic and more hydrophobic. Interestingly, cecropins D were described only in
Franziska Noe et al.
Chemical senses, 42(3), 195-210 (2016-12-06)
The detection of key food odorants appears to be an important capability of odorant receptors. Here, thiols occupy an outstanding position among the 230 known key food odorants because of their very low odor thresholds. Members of the homologous series

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