L1887
Lipopolysaccharide aus Salmonella abortus equi
purified by gel-filtration chromatography
Synonym(e):
LPS
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About This Item
Empfohlene Produkte
Biologische Quelle
Salmonella enterica (Serotype abortus equi)
Form
lyophilized powder
Aufgereinigt durch
gel-filtration chromatography
Verunreinigungen
<1% Protein
Versandbedingung
ambient
Lagertemp.
2-8°C
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Allgemeine Beschreibung
This product is extracted and purified by gel filtration from Salmonella abortus equi and purified by gel filtration. The source strain is ATCC 9842. Lipopolysaccharide from Salmonella abortus equi stimulates human mononuclear cells to produce tumor necrosis factor. This LPS is also mitogenic for frog and mouse lymphocytes.
Anwendung
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).
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.
Sigma typically tests the solubility of FITC dextrans in water at concentrations at or above 25 mg/ml. Solutions should be protected from light. In vivo, FITC-dextran is stable for more than 24 hours.
Sigma typically tests the solubility of FITC dextrans in water at concentrations at or above 25 mg/ml. Solutions should be protected from light. In vivo, FITC-dextran is stable for more than 24 hours.
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.
Ähnliches Produkt
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
Analysenzertifikate (COA)
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Verwandter Inhalt
Lipopolysaccharide (LPS) is a major component of Gram-negative bacteria, important for microbiological research.
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