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Merck
CN

L2143

Sigma-Aldrich

脂多糖 来源于大肠杆菌 K-235

purified by phenol extraction

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别名:
LPS
EC 号:
MDL编号:
UNSPSC代码:
12352201
NACRES:
NA.25

生物来源

Escherichia coli (K-235)

质量水平

形式

lyophilized powder

纯化方式

phenol extraction

杂质

<3% Protein (Lowry)

颜色

white to faint yellow

溶解性

water: soluble

运输

ambient

储存温度

2-8°C

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一般描述

该产品通过苯酚提取自大肠杆菌血清型K235。源菌株为ATCC 13027。

应用


  • 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。

制备说明

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。

其他说明

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。

象形图

Skull and crossbones

警示用语:

Danger

危险声明

危险分类

Acute Tox. 2 Oral

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)


分析证书(COA)

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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
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
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
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
Stefka Gyoneva et al.
Glia, 62(8), 1345-1360 (2014-05-09)
Microglia, the resident immune cells of the central nervous system, exist in either a "resting" state associated with physiological tissue surveillance or an "activated" state in neuroinflammation. We recently showed that ATP is the primary chemoattractor to tissue damage in

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