Modupe Ogunlesi

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Zinc and vitamin C have been found to be essential for male factor fertility. In this study we report the concentrations of zinc and vitamin C in several plants which are being used in herbal medicine to correct male factor infertility. Some of these, namely, Momordica charantia, Newbouldea laevis (leaves) and Rauvolfia vomitoria (leaves) were found to have(More)
BACKGROUND We describe the development of an electrochemical sensor array for monitoring the proliferation effects of cissus populnea plant extracts on TM4 Sertoli cells. METHODS The proliferation activities of the extracts on Sertoli cells were studied using a high-throughput electrochemical sensor array (DOX-96) and the analytical sensor characteristics(More)
Antigenic phenol phase S-type lipopolysaccharides (LPS) isolated from Brucella abortus (B. abortus) strains 7 and Mustapha were observed to have 13C n.m.r. spectra which were almost identical to the one reported for the Brucella abortus 1119-3. The glycosyl content of the lipid A obtained from the LPS of strain 7 was found to be 2-acetamido-2-deoxyglucose(More)
The major water-soluble polysaccharide isolated from the stipules of Musanga cercropoides has been investigated, using n.m.r. spectroscopy, methylation analysis, and solvolysis in liquid hydrogen fluoride as the main methods. It is concluded that the polysaccharide is of the rhamnogalacturonan type and is, at least mainly, composed of tetrasaccharide(More)
The lipo-oligosaccharide (LOS) from Campylobacter coli Labet 227 was extracted by aqueous phenol. After delipidation and gel chromatography, two oligosaccharides were isolated. The higher molecular weight material OS (I) which was estimated to contain six to seven sugar units was found to contain glucose, galactose, 2-acetamido-2-deoxyglucose,(More)
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