L3023
Lipopolisaccaridi
Detoxified
Sinonimo/i:
LPS
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Cambia visualizzazione
5 MG
CHF 237.00
About This Item
Prodotti consigliati
Origine biologica
Escherichia coli (O111:B4)
Livello qualitativo
Stato
lyophilized powder
Colore
white to beige
Solubilità
water: soluble
Condizioni di spedizione
ambient
Temperatura di conservazione
2-8°C
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Descrizione generale
This product is extracted from E. coli serotype O111:B4 and purified by chromatography. The source strain is from a private collection. The lipid A moiety has been partially delipidated by alkaline hydrolysis. Removal of the fatty acid portions of lipid A results in a detoxified LPS with an endotoxin level about 10,000 times lower than that of the parent LPS.
Applicazioni
I lipopolisaccaridi (LPS) sono componenti caratteristici della parete cellulare dei batteri gram negativi. Il LPS e la sua frazione lipide A stimolano le cellule del sistema immunitario innato attraverso il recettore Toll-like 4 (TLR4), un elemento della famiglia delle proteine recettoriali Toll-like, che riconosce i profili molecolari associati ai patogeni (PAMP) comuni.
Azioni biochim/fisiol
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.
Nota sulla preparazione
Chromatographically purified; delipidized by alkaline hydrolysis
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.
Altre note
To gain a comprehensive understanding of our extensive range of Lipopolysaccharides for your research, we encourage you to visit our Carbohydrates Category page.
Prodotti correlati
N° Catalogo
Descrizione
Determinazione del prezzo
Avvertenze
Danger
Indicazioni di pericolo
Consigli di prudenza
Classi di pericolo
Acute Tox. 2 Oral
Codice della classe di stoccaggio
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
Classe di pericolosità dell'acqua (WGK)
WGK 3
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
Dispositivi di protezione individuale
Eyeshields, Gloves, type N95 (US)
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Contenuto correlato
Lipopolysaccharide (LPS) is a major component of Gram-negative bacteria, important for microbiological research.
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