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Articles by O.P. Abioye
Total Records ( 4 ) for O.P. Abioye
  O.P. Abioye , R.O. Akinsola , S.A. Aransiola , D. Damisa and S.H. Auta
  The increase in demand for crude oil as a source of energy and as a primary raw material for industries has resulted in an increase in its production, transportation and refining, which in turn has resulted in gross pollution of the environment. In this study, Saccharomyces cerevisiae isolated from a commercially prepared local fermented beverage ‘zobo’ (prepared from Hibiscus flower) was tested to determine its potential to degrade crude oil for a period of 28 days under aerobic condition. The percentage of oil biodegradation was determined using weight loss method and gas chromatography mass spectroscopy (GC/MS) of the residual crude oil after 28 days. At the end of 28 days 49.29% crude oil degradation was recorded. The result suggests the potential of Saccharomyces cerevisiae for bioremediation of oil polluted sites.
  T.A. Akintunde , O.P. Abioye , S.B. Oyeleke , B.E. Boboye and U.J. J. Ijah
  Pseudomonas aeruginosa was isolated from 20 years abandoned mine site of Itagunmodi Atakunmosa West, Ilesha, Nigeria. Atomic absorption Spectrophotometry (AAS) revealed Fe, Mn, Cr, Zn, Pb and Cr, while, Fe has the highest concentration range of 29-289 ppm in the analysed soil samples. Soil samples were enriched in R2b agar, serially diluted and pour plated. Four bacteria strains were isolated and identified using standard biochemical test. After routine biosurfactant screening by oil spreading and emulsification test, biosurfactant producing bacteria was confirmed as Pseudomonas aeruginosa. The partially purified biosurfactants were characterized with TLC and GC-MS analysis. The analyses indicated glycolipid biosurfactant specifically designated as Rhamnolipid-sa1 containing isopalmitic acid, hexadecanoic acid, methyl ester and hydroxylated fatty acid linked to decanoic acids. Iron removal potential of the extracted biosurfactant was studied and the result revealed that Rhamnolipid-sa1 effectively reduced iron (60.34%) and could be useful as alternative remediation tool for treatment of iron contaminated soil.
  O.P. Abioye , O.P. Ekundayo and S.A. Aransiola
  This study was to assess the Phytoextraction of Acalypha inferno for Zinc (Zn) contaminated soil. Stems were planted in five kilograms (5 kg) of the soil placed in each plastic pot having 0 ppm (control), 5, 10, 15, 20 and 25 ppm of Zn. The experiment was on for a period of 12 weeks. The results revealed that pH, phosphorous and moisture contents increased while nitrogen and organic carbon contents decreased in polluted soil remediated with Acalypha inferno. The plant compartments were analyzed for Zn uptake. Appreciable concentrations of Zn in different compartment of the plant was recorded, 7.12, 7.10 and 9.06 ppm for stem, root and leave, respectively. Bioconcentration Factor (BCF) and Translocation Factor (TF) was assessed. It was observed that more concentration of Zn was translocated from the roots to the leaves. The results obtained suggest that Acalypha inferno have phytoextraction ability and could be used in restoring soil polluted with zinc (Zn).
  O.P. Abioye , E.O. Afolayan and S.A. Aransiola
  A study was designed to assess the efficacy of yeast isolated from spoilt water melon in the biological treatment of pharmaceutical effluent. Two yeast species were identified as Saccharomyces cerevisiae and Torulaspora delbrueckii. Each of the yeast was inoculated into the effluent and incubated for 15 days. Saccharomyces cerevisiae shows the highest percentage reduction of 52.5, 52.5 and 58.7% for BOD, COD and nitrate respectively of the pharmaceutical effluent and closely followed by the consortium which has 44.5, 44.5 and 72.0% for BOD, COD and nitrate reduction, respectively. The least percentage reduction was displayed by Torulaspora delbrueckii with 38.3, 38.3 and 79.7%. The study revealed that Saccharomyces cerevisiae isolated from spoilt water melon could be used in the biological treatment of pharmaceutical effluent.
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