L3023
Lipopolissacarídeos
Detoxified
Sinônimo(s):
LPS
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About This Item
Produtos recomendados
fonte biológica
Escherichia coli (O111:B4)
Nível de qualidade
forma
lyophilized powder
cor
white to beige
solubilidade
water: soluble
Condições de expedição
ambient
temperatura de armazenamento
2-8°C
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Descrição geral
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.
Aplicação
Os lipopolissacarídeos (LPSs) são componentes característicos da parede celular de bactérias gram negativas. Os LPS e sua porção lipídica A estimulam as células do sistema imunológico inato através do receptor do tipo Toll 4 (TLR4), um membro da família de proteínas do receptor do tipo Toll 4 que reconhece patógenos comuns associados a padrões moleculares (PAMPs).
Ações bioquímicas/fisiológicas
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 de preparo
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.
Outras notas
To gain a comprehensive understanding of our extensive range of Lipopolysaccharides for your research, we encourage you to visit our Carbohydrates Category page.
produto relacionado
Nº do produto
Descrição
Preços
Palavra indicadora
Danger
Frases de perigo
Declarações de precaução
Classificações de perigo
Acute Tox. 2 Oral
Código de classe de armazenamento
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
Classe de risco de água (WGK)
WGK 3
Ponto de fulgor (°F)
Not applicable
Ponto de fulgor (°C)
Not applicable
Equipamento de proteção individual
Eyeshields, Gloves, type N95 (US)
Certificados de análise (COA)
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Conteúdo relacionado
Lipopolysaccharide (LPS) is the major component of the outer membrane of Gram-negative bacteria. Lipopolysaccharide is localized in the outer layer of the membrane and is, in noncapsulated strains, exposed on the cell surface.
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