Colominic acid sodium salt
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| Category | Antibiotics |
| Catalog number | BBF-05917 |
| CAS | 70431-34-4 |
| Molecular Formula | (C11H16NNaO8)n |
Ordering Information
| Catalog Number | Size | Price | Stock | Quantity |
|---|---|---|---|---|
| BBF-05917 | 100 mg | $199 | In stock |
Online Inquiry
Add to cartDescription
Colominic acid sodium salt is an exquisite compound, used for studying bacterial infections evoked by Streptococcus pneumoniae and Haemophilus influenzae. Unveiling its remarkable antimicrobial activity, this compound emerges as a quintessential constituent within pharmaceutical formulations, including antibiotics and vaccines.
Specification
| Synonyms | Poly[2,8-(N-acetylneuraminic acid sodium salt)]; Polysialic Acid Sodium Salt |
Reference Reading
1. Separation of natural and synthetic heparin fragments by high-performance capillary electrophoresis
J B Damm, G T Overklift, B W Vermeulen, C F Fluitsma, G W van Dedem J Chromatogr . 1992 Sep 11;608(1-2):297-309. doi: 10.1016/0021-9673(92)87136-v.
The application of capillary electrophoresis (CE) for the analysis of natural and synthetic low-molecular-mass heparin fragments at low pH is described. It is demonstrated that under the applied conditions the separation is based on charge, charge distribution and molecular mass of the heparin molecules, yielding a high resolution. It is shown that the presence of sodium chloride in the sample solution has hardly any effect on the CE performance. However, the pH of the electrophoresis buffer is a critical parameter. The resolutions obtained with CE and high-performance anion-exchange chromatography (HPAEC) are compared for various heparin fragments and it is concluded that, at least for this type of molecule, CE forms an attractive alternative to HPAEC.
2. Purification and partial characterization of neuraminidase from type III group B streptococci
S J Mattingly, T W Milligan, D C Straus J Bacteriol . 1980 Oct;144(1):164-71. doi: 10.1128/jb.144.1.164-171.1980.
Extracellular neuraminidase from a type III fresh clinical isolate of a group B streptococcus was purified by a combination of salt fractionation, affinity chromatography of Affi-Gel blue, ion-exchange chromatography on diethylaminoethylcellulose, and gel filtration on Sephacryl S-200. These procedures yielded enzyme which was purified approximately 1,000-fold compared with the enzyme found in the original supernatant fluid. This type III streptococcal neuraminidase had a molecular weight of approximately 125,000 as estimated by filtration on Sephacryl S-200 and approximately 106,000 when analyzed by sodium dodecyl sulfate-polyacrylamide gel electrophoresis. In contrast to the majority of other bacterial neuraminidases, the type III group B streptococcal enzyme had no effect on colominic acid or N-acetylneuramin-lactose; however, it was quite active on bovine submaxillary mucin.
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Bio Calculators
* Our calculator is based on the following equation:
Concentration (start) x Volume (start) = Concentration (final) x Volume (final)
It is commonly abbreviated as: C1V1 = C2V2
* Total Molecular Weight:
g/mol
Tip: Chemical formula is case sensitive. C22H30N4O √ c22h30n40 ╳
