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L3137

Sigma-Aldrich

Lipopolysaccharide aus Escherichia coli O127:B8

purified by gel-filtration chromatography

Synonym(e):

LPS

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About This Item

EG-Nummer:
297-473-0
MDL-Nummer:
MFCD00212998
UNSPSC-Code:
12352201
NACRES:
NA.25

Biologische Quelle

Escherichia coli (O127:B8)

Qualitätsniveau

200

Form

lyophilized powder

Aufgereinigt durch

gel-filtration chromatography

Verunreinigungen

<1% Protein

Farbe

white to yellow cast

Löslichkeit

water: soluble

Versandbedingung

ambient

Lagertemp.

2-8°C

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Verwandte Kategorien

Allgemeine Beschreibung

This product is extracted from E. coli serotype O127:B8 and purified by gel filtration. The source strain is ATCC 12740. This LPS serotype has been used in the study of septic shock and to induce NOS in murine macrophages and PAF synthesis in rat glomerular masangial cells.

Anwendung

Lipopolysaccharide (LPS) sind charakteristische Bestandteile der Zellwand von gramnegativen Bakterien. LPS und seine Lipid-A-Gruppe stimulieren Zellen des angeborenen Immunsystems durch den Toll-like-Rezeptor 4 (TLR4). TLR4 gehört zur Toll-like-Rezeptor-Proteinfamilie, die häufige Pathogen-assoziierte molekulare Strukturen (PAMPs) erkennt.

Biochem./physiol. Wirkung

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.

Angaben zur Herstellung

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.

Sonstige Hinweise

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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Produkt-Nr.
Beschreibung
Preisangaben

Piktogramme

Skull and crossbones
GHS06

Signalwort

Danger

H-Sätze

H300

Gefahreneinstufungen

Acute Tox. 2 Oral

Lagerklassenschlüssel

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

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

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Eugene S Yim et al.
Journal of biomedical materials research. Part A, 91(3), 894-902 (2008-12-17)
Hydrogel polymers comprise a novel category of synthetic materials being investigated for use in cartilage replacement. One candidate compound, a poly(ethylene glycol)/poly(acrylic acid) (PEG/PAA) interpenetrating polymer network (IPN), was developed for use in corneal prostheses and was recently engineered for
Choon Kit Tang et al.
Biomaterials, 30(7), 1389-1400 (2008-12-09)
Receptor mediated gene delivery is an attractive non-viral method for targeting genetic material to specific cell types. We have previously utilized oxidized (OMPLL) and reduced mannan poly-L-lysine (RMPLL) to target DNA vaccines to antigen presenting cells and demonstrated that it
Evelin Painsipp et al.
PloS one, 6(6), e20719-e20719 (2011-06-16)
Immune challenge by bacterial lipopolysaccharide (LPS) causes short-term behavioral changes indicative of depression. The present study sought to explore whether LPS is able to induce long-term changes in depression-related behavior and whether such an effect depends on mouse strain and
Gagan S Thangjam et al.
American journal of physiology. Lung cellular and molecular physiology, 310(10), L964-L974 (2016-04-03)
The ability of anti-heat shock protein 90 (Hsp90) drugs to attenuate NF-κB-mediated transcription is the major basis for their anti-inflammatory properties. While the molecular mechanisms underlying this effect are not clear, they appear to be distinct in human endothelial cells.
Mitsuaki Moriyama et al.
Neurochemical research, 41(11), 3138-3146 (2016-11-04)
The biomolecule acetate can be utilized for energy production, lipid synthesis, and several metabolic processes. Acetate supplementation reduces neuroglial activation in a model of neuroinflammation induced by intraventricular injection of lipopolysaccharide (LPS). To investigate the mechanisms underlying the anti-inflammatory effect
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Artikel

Lipopolysaccharides for Research – Structure, Function & Applications

Explore the structure, function, and diverse applications of Lipopolysaccharides. Discover their role in bacteria, serological specificity, and research potential.

Verwandter Inhalt

Lipopolysaccharides

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

Unser Team von Wissenschaftlern verfügt über Erfahrung in allen Forschungsbereichen einschließlich Life Science, Materialwissenschaften, chemischer Synthese, Chromatographie, Analytik und vielen mehr..

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