L6136
Lipopolysaccharides from Serratia marcescens
purified by phenol extraction
Synonyme(s) :
LPS
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About This Item
Produits recommandés
Source biologique
Serratia marcescens
Niveau de qualité
Forme
lyophilized powder
Produit purifié par
phenol extraction
Impuretés
<3% Protein (Lowry)
Couleur
white to yellow cast
Solubilité
water: 4.90-5.10, faintly hazy to hazy, colorless to faint yellow or tan
Conditions d'expédition
ambient
Température de stockage
2-8°C
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Description générale
This product is phenol extracted from Serratia marcescens. The source strain is ATCC 21639.
Actions biochimiques/physiologiques
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.
Notes préparatoires
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.
Autres remarques
To gain a comprehensive understanding of our extensive range of Lipopolysaccharides for your research, we encourage you to visit our Carbohydrates Category page.
Code de la classe de stockage
11 - Combustible Solids
Classe de danger pour l'eau (WGK)
WGK 3
Point d'éclair (°F)
Not applicable
Point d'éclair (°C)
Not applicable
Certificats d'analyse (COA)
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