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Polymyxin B nonapeptide TFA {[allProObj[0].p_purity_real_show]}

货号:A1352723

Polymyxin B nonapeptide TFA是 Polymyxin B 的衍生物,毒性较低,虽然失去了杀菌活性,但仍能破坏革兰氏阴性菌的外膜,适用于抗菌机制研究,特别是与多药耐药菌相关的研究。

Polymyxin B nonapeptide TFA 化学结构 CAS号:2220175-42-6
Polymyxin B nonapeptide TFA 化学结构
CAS号:2220175-42-6
Polymyxin B nonapeptide TFA 3D分子结构
CAS号:2220175-42-6
Polymyxin B nonapeptide TFA 化学结构 CAS号:2220175-42-6
Polymyxin B nonapeptide TFA 3D分子结构 CAS号:2220175-42-6
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Polymyxin B nonapeptide TFA 纯度/质量文件 产品仅供科研

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Polymyxin B nonapeptide TFA 生物活性

描述 Polymyxin B nonapeptide TFA is a cyclic peptide obtained by protein hydrolysis of polymyxin B by removal of the terminal aminoacyl residue. Polymyxin B nonapeptide TFA has low toxicity and lacks bactericidal activity, but still enhances bacterial susceptibility to a wide range of antibiotics by penetrating the outer membranes of Gram-negative bacteria[1][2]]3].Polymyxin B nonapeptide TFA acts synergistically with azithromycin in the concentration range of 2-32 μg/mL for 24 hours[1].In the 10 μg/mL concentration range, Polymyxin B nonapeptide TFA inhibited LPS-induced neutrophil activation in a concentration-dependent manner[2].

Polymyxin B nonapeptide TFA 动物研究

Animal study Polymyxin B nonapeptide TFA does not produce neuromuscular blockade, neurotoxicity, or nephrotoxicity in rats as polymyxin B sulfate does when administered intravenously at doses of 1.5 and 3.0 mg/kg for 29 days[2].

Polymyxin B nonapeptide TFA 参考文献

[1]Al-Marzooq F, et al. Discerning the role of polymyxin B nonapeptide in restoring the antibacterial activity of azithromycin against antibiotic-resistant Escherichia coli. Front Microbiol. 2022 Sep 21;13:998671.

[2]Danner RL,et al. Purification, toxicity, and antiendotoxin activity of polymyxin B nonapeptide. Antimicrob Agents Chemother. 1989 Sep;33(9):1428-34.

[3]Ofek I, et al. Antibacterial synergism of polymyxin B nonapeptide and hydrophobic antibiotics in experimental gram-negative infections in mice. Antimicrob Agents Chemother. 1994 Feb;38(2):374-7.

Polymyxin B nonapeptide TFA 实验方案

计算器
存储液制备 1mg 5mg 10mg

1 mM

5 mM

10 mM

0.93mL

0.19mL

0.09mL

4.64mL

0.93mL

0.46mL

9.28mL

1.86mL

0.93mL

Polymyxin B nonapeptide TFA 技术信息

CAS号2220175-42-6
分子式C45H75F3N14O13
分子量 1077.158
别名
运输蓝冰
存储条件

In solvent -20°C:3-6个月-80°C:12个月

Pure form Keep in dark place,Inert atmosphere,Store in freezer, under -20°C

溶解度

DMSO: 105 mg/mL(97.48 mM),配合低频超声助溶,注意:DMSO长时间开封后,会吸水并导致溶解能力下降,请避免使用长期开封的DMSO

H2O: 50 mg/mL(46.42 mM),配合低频超声,并水浴加热至45℃助溶

动物实验配方
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