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Merck
CN
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主要文件

安全信息

P1189

Sigma-Aldrich

Polymyxin B

liquid, suitable for cell culture, BioReagent

别名:

Aerosporin, PMB, PMX, Polymyxin, Polymyxin B

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About This Item

UNSPSC代码:
12352207
NACRES:
NA.76

产品名称

Polymyxin B ready made solution, Cell culture tested, 17 mg/mL in H2O

质量水平

表单

liquid

浓度

17 mg/mL in H2O

储存温度

2-8°C

一般描述

Polymyxin B (PMB) is a cyclic cationic lipopeptide antibiotic originally produced by soil bacterium Bacillus polymyxa. Polymyxin B binds specifically to gram negative bacteria by interacting with the anionic lipopolysaccharide (LPS, or endotoxin). Polymyxin B interferes with the outer membrane normal function causing leakage and enhanced uptake of the antibiotic.

Polymyxin B has several applications:
  • It is used to neutralize LPS contamination in vitro and in vivo. Its neutralizing effect is dose-dependent. In vitro experiments showed that PMB inhibits a septic shock by endotoxin inactivation.
  • Cell cultures can be treated with PMB (100U/mL) to avoid early contaminations. PMB is considered a broad spectrum antibiotic and is used to treat infections caused by bacteria resistant to a combination of Penicillin and Streptomycin.
  • PMB is also used as negative and positive control in minimum microbicidal concentration (MIC) assay.

Working concentration:
The suggested concentration of PMB in cell culture mediums is 100U/mL. Therefore, it is recommended to dilute PMB ready made solution 1:1000.

储存分类代码

12 - Non Combustible Liquids

WGK

WGK 2

闪点(°F)

Not applicable

闪点(°C)

Not applicable

法规信息

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分析证书(COA)

Lot/Batch Number

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