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Sigma-Aldrich

Lipopolysaccharides from Escherichia coli K-235

purified by gel-filtration chromatography

Sinónimos:

LPS

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About This Item

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

origen biológico

Escherichia coli (K-235)

Nivel de calidad

formulario

lyophilized powder

purificado por

gel-filtration chromatography

impurezas

<1% Protein

color

white to yellow cast

solubilidad

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

Condiciones de envío

ambient

temp. de almacenamiento

2-8°C

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Descripción general

This product is extracted from E. coli serotype K235 and purified by gel filtration. The source strain is ATCC 13027.

Acciones bioquímicas o 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 preparación

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.

Otras notas

To gain a comprehensive understanding of our extensive range of Lipopolysaccharides for your research, we encourage you to visit our Carbohydrates Category page.

Producto relacionado

Referencia del producto
Descripción
Precios

Pictogramas

Skull and crossbones

Palabra de señalización

Danger

Frases de peligro

Clasificaciones de peligro

Acute Tox. 2 Oral

Código de clase de almacenamiento

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

Eyeshields, Gloves, type N95 (US)


Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Waleed Al Abdulmonem et al.
Journal of reproductive immunology, 141, 103152-103152 (2020-06-11)
During first trimester of human pregnancy, the maternal system develops immunity against infection and to provide protection of allogeneic foetus from abortion. This study was undertaken to determine the role of trophoblast specific CD74 isoforms in first trimester trophoblast derived
Peipei Zhang et al.
Science advances, 7(43), eabi9471-eabi9471 (2021-10-23)
[Figure: see text].
Jonathan J Hansen et al.
Inflammatory bowel diseases, 15(6), 890-899 (2009-01-13)
While others have described gene expression patterns in humans with inflammatory bowel diseases and animals with chemically induced colitis, a genome-wide comparison of gene expression in genetically susceptible animals that develop spontaneous colitis has not been reported. We used microarray
Taekyoung Kwak et al.
Cell reports, 33(13), 108571-108571 (2020-12-31)
Here, we report that functional heterogeneity of macrophages in cancer could be determined by the nature of their precursors: monocytes (Mons) and monocytic myeloid-derived suppressor cells (M-MDSCs). Macrophages that are differentiated from M-MDSCs, but not from Mons, are immune suppressive
Okito Hashimoto et al.
Brain, behavior, and immunity, 90, 319-331 (2020-09-21)
Allergic dermatitis (AD), associated with pruritus and itchiness, is one of the major stressful conditions early in life. AD also influences the incidence of neuropsychiatric disorders and developmental disorders through neuro-immune interactions. To the best of our knowledge, there is

Artículos

Explore the structure, function, and diverse applications of Lipopolysaccharides. Discover their role in bacteria, serological specificity, and research potential.

Contenido relacionado

Lipopolysaccharide (LPS) is a major component of Gram-negative bacteria, important for microbiological research.

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