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L5418

Sigma-Aldrich

Lipopolissacarídeos

Ready Made solution, 1 mg/mL

Sinônimo(s):

LPS

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About This Item

Número MDL:
MFCD00164401
Código UNSPSC:
12352201
NACRES:
NA.25

fonte biológica

Escherichia coli (O55:B5)

Nível de qualidade

200

forma

aqueous solution

concentração

1 mg/mL

cor

white to faint yellow

solubilidade

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

Condições de expedição

wet ice

temperatura de armazenamento

2-8°C

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Descrição geral

This product is a 0.2 um filtered aqueous solution containing 1 mg/mL of lipopolysaccharides (LPS) from E. coli serotype O55:B5. The source strain is CDC 1644-70. This LPS serotype has been used in studies of septic shock and to induce myocarditis.

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

The LPS used to prepare the solution have been phenol-extracted and chromatographically purified by gel filtration. Lipopolysaccharides prepared by phenol extraction contain up to 60% RNA and less than 1% protein. Subsequent purification by gel filtration chromatography removes much of protein present in the phenol-extracted LPS, but leaves a product that still contains 10-20% nucleic acids. Further purification using ion exchange chromatography yields an LPS product which contains <1% protein and <1% RNA.

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.

Código de classe de armazenamento

12 - Non Combustible Liquids

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)

Certificados de análise (COA)

Busque Certificados de análise (COA) digitando o Número do Lote do produto. Os números de lote e remessa podem ser encontrados no rótulo de um produto após a palavra “Lot” ou “Batch”.

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Janny C de Grauw et al.
Arthritis research & therapy, 11(2), R35-R35 (2009-03-11)
Inflammation is an important feature of many joint diseases, and levels of cartilage biomarkers measured in synovial fluid may be influenced by local inflammatory status. Little is known about the magnitude and time course of inflammation-induced changes in cartilage tissue
Qing Lu et al.
American journal of physiology. Lung cellular and molecular physiology, 301(6), L847-L857 (2011-10-11)
Cigarette smoke (CS) is a major cause of chronic lung and cardiovascular diseases. Recent studies indicate that tobacco use is also a risk factor for acute lung injury (ALI) associated with blunt trauma. Increased endothelial cell (EC) permeability is a
David Just et al.
Psychoneuroendocrinology, 126, 105162-105162 (2021-02-13)
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