نتایج جستجو برای: nystatin
تعداد نتایج: 1214 فیلتر نتایج به سال:
nystatin oral suspension is a safe firstline therapy; fluconazole is more effective (strength of recommendation [sor]: B, 1 small randomized controlled trial [rCT]) but has not been approved by the Food and Drug Administration (FDA) for use in immunocompetent infants. Miconazole oral gel is also more effective than nystatin suspension, but is not commercially available in the united states (sor...
Wide differences exist among the polyene antibiotics, nystatin, rimocidin, filipin, pimaricin, and amphotericin B, with reference to steroid interference with their antifungal activities against Candida albicans. Of the numerous steroids tested, ergosterol was the only one which effectively antagonized the antifungal activity of all five polyene antibiotics. The antifungal activities of nystati...
Two polyene antibiotics, nystatin and amphotericin A, were compared by physico-chemical and microbiological methods. The two antibiotics were found to have the same molecular weight, 926, by plasma desorption and electron-impact MS. However, 13C NMR spectrometry and HPLC studies indicated that the two molecules are different. The 200 MHz NMR studies indicated a chemical environment of 24 carbon...
A rapid, reversed-phase liquid chromatographic method was developed for the assay of nystatin in the bulk drug and a variety of dosage forms. Analysis was performed on a Symmetry C18 reversed-phase column using a mobile phase of methanol-water-dimethylformamide (DMF; 55 + 30 + 15, v/v/v), with detection by UV at 305 nm. Quantitation is based on the sum of the peak areas of the 2 major isomers o...
The responses of Chinese hamster ovary epithelial cells, caused by the pore-forming agent nystatin, were investigated using brightfield and fluorescence microscopy. Different phenomena, i.e., the detachment of cells, the formation of blebs, the occurrence of "cell-vesicles" and cell ruptures, were observed. These phenomena were compared to those discovered in giant lipid vesicles. A theoretical...
Fatty acids cause a decrease in the absorption spectra of the antifungal polyene macrolide antibiotics nystatin, filipin, candicidin, and amphotericin B. For nystatin, filipin, and candicidin, this decrease in absorption could be correlated with the activity of the fatty acids in protecting the yeast Saccharomyces cerevisiae against the action of these antibiotics. With amphotericin B a correla...
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