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L3012

Sigma-Aldrich

Lipopolysaccharides from Escherichia coli O111:B4

purified by gel-filtration chromatography

Synonim(y):

LPS

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About This Item

Numer WE:
297-473-0
Numer MDL:
MFCD00164401
Kod UNSPSC:
12352201
NACRES:
NA.25

pochodzenie biologiczne

Escherichia coli (O111:B4)

Poziom jakości

300

Postać

lyophilized powder

oczyszczone przez

gel-filtration chromatography

zanieczyszczenia

<1% Protein

kolor

white to faint yellow

rozpuszczalność

water: soluble

Warunki transportu

ambient

temp. przechowywania

2-8°C

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Opis ogólny

This product is extracted from E. coli serotype O111:B4 and purified by gel filtration. The source strain is from a private collection. This LPS serotype has been used to stimulate B-cells and induce NOS in human hepatocytes.

Zastosowanie

Lipopolysaccharides (LPSs) are characteristic components of the cell wall of Gram-negative bacteria. LPS and its lipid A moiety stimulate cells of the innate immune system by the Toll-like receptor 4 (TLR4), a member of the Toll-like receptor protein family, which recognizes common pathogen-associated molecular-patterns (PAMPs).

Działania biochem./fizjol.

Lipopolysaccharides (LPS) are localized in the outer layer of the membrane and are, in noncapsulated strains, exposed on the cell surface. They contribute to the integrity of the outer membrane, and protect the cell against the action of bile salts and lipophilic antibiotics.

Uwaga dotycząca przygotowania

The product is soluble in water (5 mg/ml) or cell culture medium (1 mg/ml) yielding a hazy, faint yellow solution. A more concentrated, though still hazy, solution (20 mg/ml) has been achieved in aqueous saline after vortexing and warming to 70-80 oC. Lipopolysaccharides are molecules that form micelles in every solvent. Hazy solutions are observed in water and phosphate buffered saline. Organic solvents do not give clearer solutions. Methanol yields a turbid suspension with floaters, while water yields a homogeneously hazy solution.

Inne uwagi

To gain a comprehensive understanding of our extensive range of Lipopolysaccharides for your research, we encourage you to visit our Carbohydrates Category page.

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Piktogramy

Skull and crossbones
GHS06

Hasło ostrzegawcze

Danger

Zwroty wskazujące rodzaj zagrożenia

H300

Zwroty wskazujące środki ostrożności

P264 - P270 - P301 + P310 - P405 - P501

Klasyfikacja zagrożeń

Acute Tox. 2 Oral

Kod klasy składowania

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

Klasa zagrożenia wodnego (WGK)

WGK 3

Temperatura zapłonu (°F)

Not applicable

Temperatura zapłonu (°C)

Not applicable

Certyfikaty analizy (CoA)

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Dokumenty związane z niedawno zakupionymi produktami zostały zamieszczone w Bibliotece dokumentów.

Odwiedź Bibliotekę dokumentów

Rong Huang et al.
Bone research, 5, 17019-17019 (2017-12-22)
The activation of M1 macrophages can be achieved by stimulating them with lipopolysaccharide (LPS) and interferon-γ (IFN-γ). However, M1 can be found under physiological conditions without any pathological stimuli. This study aimed to understand the involvement of RANKL-induced M1 macrophages
Matthew G Frank et al.
Brain, behavior, and immunity, 73, 352-363 (2018-05-29)
Exposure to stressors induces anxiety- and depressive-like behaviors, which are mediated, in part, by neuroinflammatory processes. Recent findings demonstrate that treatment with the immunoregulatory and anti-inflammatory bacterium, Mycobacterium vaccae (M. vaccae), attenuates stress-induced exaggeration of peripheral inflammation and stress-induced anxiety-like
Zhongjie Li et al.
PloS one, 9(5), e97539-e97539 (2014-05-16)
Antimicrobial peptides have attracted much interest as a novel class of antibiotics against a variety of microbes including antibiotics resistant strains. In this study, a new cationic antimicrobial peptide Hp1404 was identified from the scorpion Heterometrus petersii, which is an
Susanne A Wolf et al.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 23(9), 3121-3128 (2009-05-13)
To understand the link between peripheral immune activation and neuronal precursor biology, we investigated the effect of T-cell activation on adult hippocampal neurogenesis in female C57Bl/6 mice. A peripheral adaptive immune response triggered by adjuvant-induced rheumatoid arthritis (2 microg/microl methylated
Norihiko Takeda et al.
Genes & development, 24(5), 491-501 (2010-03-03)
Hypoxic response and inflammation both involve the action of the hypoxia-inducible transcription factors HIF-1alpha and HIF-2alpha. Previous studies have revealed that both HIF-alpha proteins are in a number of aspects similarly regulated post-translationally. However, the functional interrelationship of these two
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Powiązane treści

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Lipopolysaccharide (LPS) is a major component of Gram-negative bacteria, important for microbiological research.

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Lipopolisacharyd (LPS) jest głównym składnikiem bakterii Gram-ujemnych, ważnym dla badań mikrobiologicznych.

Nasz zespół naukowców ma doświadczenie we wszystkich obszarach badań, w tym w naukach przyrodniczych, materiałoznawstwie, syntezie chemicznej, chromatografii, analityce i wielu innych dziedzinach.

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