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L9641

Sigma-Aldrich

Lipopolysaccharides (rough strains) from Escherichia coli EH100 (Ra mutant)

Synonym(e):

LPS

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About This Item

EG-Nummer:
297-473-0
MDL-Nummer:
MFCD00164401
UNSPSC-Code:
12352201
NACRES:
NA.25

Biologische Quelle

Escherichia coli (EH100 Ra mutant)

Qualitätsniveau

200

Form

lyophilized powder

Verunreinigungen

<3% Protein (Lowry)

Farbe

white to yellow

Löslichkeit

water: 4.90-5.10 mg/mL, cloudy to turbid, colorless to faintly yellow

Versandbedingung

ambient

Lagertemp.

2-8°C

Verwandte Kategorien

Allgemeine Beschreibung

This product is phenol:chloroform:petroleum ether extracted from E. coli EH 100 (Ra mutant). The source strain is from a private collection.

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

Prepared by phenol-chloroform-petroleum ether extraction.

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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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

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)

Analysenzertifikate (COA)

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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.

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

Setzen Sie sich mit dem technischen Dienst in Verbindung.