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Merck
CN

92283

多粘菌素B 溶液

20 mg/mL in H2O

别名:

Aerosporin, Polymyxin B, Polymyxin B Sulfate

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化学文摘社编号:
1405-20-5
UNSPSC Code:
51283106
NACRES:
NA.85
MDL number:
MFCD00131991

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产品名称

多粘菌素B 溶液, 20 mg/mL in H2O

SMILES string

[S](=O)(=O)(O)O.N1CCC(C(=O)NC(C(=O)NC(C(=O)NC(C(=O)NC(C(=O)NC(C(=O)NC(C1=O)CCO)CCN)CCN)CC(C)C)Cc2ccccc2)CCN)NC(=O)C(NC(=O)C(NC(=O)C(NC=O)CCN)CCO)CCN

InChI

1S/C48H82N16O13.H2O4S/c1-27(2)24-37-47(76)59-32(11-19-52)41(70)56-31(10-18-51)43(72)61-35(14-22-65)39(68)54-21-13-34(45(74)57-33(12-20-53)44(73)64-38(48(77)63-37)25-28-6-4-3-5-7-28)60-42(71)30(9-17-50)58-46(75)36(15-23-66)62-40(69)29(8-16-49)55-26-67;1-5(2,3)4/h3-7,26-27,29-38,65-66H,8-25,49-53H2,1-2H3,(H,54,68)(H,55,67)(H,56,70)(H,57,74)(H,58,75)(H,59,76)(H,60,71)(H,61,72)(H,62,69)(H,63,77)(H,64,73);(H2,1,2,3,4)

InChI key

HNDFYNOVSOOGDU-UHFFFAOYSA-N

biological source

Bacillus polymyxa (fermentation)

form

liquid

optical activity

[α]/D 20/D (Rotation: -2.3 +/- 0.2 degrees)

concentration

20 mg/mL in H2O

color

colorless to slightly yellow

solubility

H2O: soluble 20 mg/mL

antibiotic activity spectrum

Gram-negative bacteria
Gram-positive bacteria
fungi

mode of action

cell membrane | interferes

storage temp.

2-8°C

Quality Level

200

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相关类别

Application

Polymyxin B is used to study multidrug-resistant pathogens, as an immobilized agent for removal of endotoxins, and to induce pore formation in the membranes of cortex cells from excised sorghum roots.

Biochem/physiol Actions

Mode of Action: Polymyxin B Sulfate binds to the lipid A portion of bacterial lipopolysaccharides, disrupting the cytoplasmic membrane by inducing pores large enough to permit nucleotide leakage in bacterial walls. This disrupts the permeability of the cytoplasmic membrane.

Mode of Resistance: The activity of Polymyxin B sulfate is inhibited by iron(II), Co(II), Mn(II) and Magnesium ions. Polymyxin B may also be incompaitible with other microbial agents, including amphoterecin, cephalothin sodium, cephasolin sodium and heparin sodium.

Antimicrobial Spectrum: Has bactericidal action on most gram-negative bacilli, including E. Coli and on most fungi and gram-positive bacteria.

General description

Polymyxin B sulfate is a strongly cationic cyclic polypeptide antibiotic that is derived from fermentation of Bacilus polymyxa. It is a mixture of B1 and B2 sulfate. The product has been used clinically to treat infections of the urinary tract, meninges and blood stream caused by susceptible strains of Pseudomonas aeruginosa.

Other Notes

Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage.Handle and store under inert gas.

Packaging

10ml, 125ml

Preparation Note

This product is concentrated at 20 mg/mL in water, and should be stored at 2-8°C.

存储类别

12 - Non Combustible Liquids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves

法规信息

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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCJ6544
12009331
0001435856
BCCB9362
BCBJ8934V

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Lerner, H.R., et al.
Physiologia Plantarum, 57, 90-90 (1983)
Andrea Giacometti et al.
The Journal of antimicrobial chemotherapy, 49(1), 193-196 (2001-12-26)
The efficacy of two polymyxin-like peptides, KFFKFFKFF and IKFLKFLKFL, alone and combined with levofloxacin, was investigated in a rat model of septic shock. Rats were given an ip injection of 2 x 10(10) cfu of Escherichia coli and randomized to
Sang-Won Lee et al.
Journal of bacteriology, 190(6), 2183-2197 (2008-01-22)
The rice pathogen recognition receptor, XA21, confers resistance to Xanthomonas oryzae pv. oryzae strains producing the type one system-secreted molecule, AvrXA21. X. oryzae pv. oryzae requires a regulatory two-component system (TCS) called RaxRH to regulate expression of eight rax (required
Xiaodong Xiao et al.
Biochemical and biophysical research communications, 387(2), 387-392 (2009-07-21)
Isolated immunoglobulin CH2 domains were proposed as scaffolds for selection of binders with potential effector functions. We tested the feasibility of this approach by constructing a large (size 5 x 10(10)) library where all amino acids in two loops (BC
Michael Hogardt et al.
The Journal of antimicrobial chemotherapy, 54(6), 1057-1061 (2004-10-29)
With their potent activity against Gram-negative bacteria, the polymyxins are important alternative antibiotics for cystic fibrosis (CF) patients. A retrospective evaluation of polymyxin activity against 6001 Pseudomonas aeruginosa, 150 Achromobacter xylosoxidans and 506 Stenotrophomonas maltophilia CF isolates was initiated. In
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