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L3755
Lipopolysaccharide aus Escherichia coli O26:B6
purified by trichloroacetic acid extraction
Synonym(e):
LPS
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| Größe/SKU | Verfügbarkeit | Preis |
|---|---|---|
100 mg | Warenkorb auf Verfügbarkeit prüfen | € 263,00 |
500 mg | Warenkorb auf Verfügbarkeit prüfen | € 1.040,00 |
Über diesen Artikel
Technischer Dienst
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Unterstützung erhaltenbiological source
Escherichia coli (O26:B6)
Quality Segment
form
lyophilized powder
purified by
trichloroacetic acid extraction
impurities
1-10% Protein (Lowry)
color
white to yellow
solubility
water: soluble
shipped in
ambient
storage temp.
2-8°C
General description
This product is TCA extracted from E. coli serotype O26:B6. The source strain is ATCC 12795. LPS from serotype 026:B6 is the only LPS from E. coli which exhibits short chain-length behavior on SDS-PAGE. The short chain-length of this LPS is closer to that of the mutant rough strain LPS.
Application
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 Actions
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.
Preparation Note
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.
Other Notes
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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Dieser Artikel | |||
|---|---|---|---|
| description purified by trichloroacetic acid extraction | description purified by gel-filtration chromatography | description Ready Made solution, 1 mg/mL, 0.2 μm filtered | description ≥10,000 EU/mg, purified by phenol extraction |
| biological source Escherichia coli (O26:B6) | biological source Escherichia coli (O26:B6) | biological source Escherichia coli (O26:B6) | biological source Escherichia coli (O26:B6) |
| solubility water: soluble | solubility water: 4.90-5.10 mg/mL, cloudy to hazy, colorless to faintly yellow | solubility water: soluble | solubility water: soluble |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| form lyophilized powder | form lyophilized powder | form aqueous solution | form lyophilized powder |
| storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C |
| impurities 1-10% Protein (Lowry) | impurities <5% Protein | impurities - | impurities <3% Protein (Lowry) |
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Signalwort
Danger
Gefahrencodes
Sicherheitshinweise
Hazard Classifications
Acute Tox. 2 Oral
Lagerklasse
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
Was ist los?
WGK 3
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
PSA (Persönliche Schutzausrüstung)
Eyeshields, Gloves, type N95 (US)
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