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Key Documents

L9516

Sigma-Aldrich

Lipopolysaccharides (rough strains) from Salmonella enterica serotype typhimurium SL1181

동의어(들):

LPS

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About This Item

MDL number:
UNSPSC 코드:
12352201

생물학적 소스

Salmonella enterica (Serotype typhimurium SL1181)

형태

lyophilized powder

불순물

≤5% Protein (Lowry)

배송 상태

ambient

저장 온도

2-8°C

일반 설명

This product is phenol:chloroform:petroleum ether extracted from Salmonella typhimurium strain SL1181. The source strain is from a private collection. This LPS has been used as a negative control for antibody binding to LPS.

생화학적/생리학적 작용

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.

제조 메모

Prepared by phenol-chloroform-petroleum ether extraction.

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.

기타 정보

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

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

Eyeshields, Gloves, type N95 (US)


시험 성적서(COA)

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The mechanisms of neurodegeneration in Alzheimer's disease (AD) remain under investigation. Alterations in the blood-brain barrier facilitate exchange of inflammatory mediators and immune cells between the brain and the periphery in AD. Here, we report analysis of phenotype and functions
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