L3137
Lipopolysaccharide aus Escherichia coli O127:B8
purified by gel-filtration chromatography
Synonym(e):
LPS
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About This Item
Empfohlene Produkte
Biologische Quelle
Escherichia coli (O127:B8)
Qualitätsniveau
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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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
Signalwort
Danger
H-Sätze
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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