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Merck

F3665

Sigma-Aldrich

Lipopolysaccharide aus Escherichia coli O111:B4

FITC conjugate

Synonym(e):

LPS

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About This Item

EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352201
NACRES:
NA.25

Biologische Quelle

Escherichia coli (O111:B4)

Qualitätsniveau

Konjugat

FITC conjugate

Form

lyophilized powder

Kennzeichnungsgrad

2-10 μg FITC per mg LPS

Farbe

yellow to orange

Löslichkeit

H2O: soluble 4.90-5.10 mg/mL, faintly hazy to hazy, pale yellow to yellow

Lagertemp.

2-8°C

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Anwendung

FITC-Lipopolysaccharides (FITC-LPS) may be used to study processes such as the movement/transport of LPS across tissue barriers such as the colonic epithelium and cellular binding and internalization of lipopolysaccharides with fluorescence-based assay systems. It may be used to evaluate, qualify and quantify lipopolysaccharides (LPS) removal reagents and procedures. FITC-LPS conjugate may be used for the detection of LPA binding proteins and motifs.
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. Wirkung

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.

Angaben zur Herstellung

The product is soluble in water (5 mg/ml) yielding a hazy, yellow to orange solution. 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. For cell culture use, LPS should be reconstituted by adding 1 ml of sterile balanced salt solution or cell culture medium to a vial (1 mg) and swirling gently until the powder dissolves. Solutions can be further diluted to the desired working concentration with additional sterile balanced salt solutions or cell culture media.

Sonstige Hinweise

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

Piktogramme

Skull and crossbones

Signalwort

Danger

H-Sätze

Gefahreneinstufungen

Acute Tox. 2 Oral

Lagerklassenschlüssel

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

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)


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International journal of molecular sciences, 15(1), 1143-1161 (2014-01-21)
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