Microbial Contaminants in the Commercial Aviation Fuel Obtained from Benin City Airport, Nigeria

Samuel, Onuorah; Ifeanyi, Obika; Michael, Orji; Frederick, Odibo

doi:10.13189/ujmr.2015.030301

Cited by 10 publications

(4 citation statements)

References 18 publications

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“…The morphological and biochemical characteristics of the isolates were determined. Gram staining, indole, coagulase, voges proskaeur, methyl red, citrate utilization, catalase, spore, carbohydrate fermentation and oxidase tests were performed as carried out by Onuorah et al [14]. The isolates were identified as described by Holt et al [15].…”

Section: Characterization and Identification Of The Isolatesmentioning

confidence: 99%

Prevalence of Asymptomatic Bacteriuria among the Pregnant Women Receiving Antenatal Care at Federal Medical Centre Owerri, Nigeria

Samuel¹,

Victoria²,

Ifeanyi³

2016

ujcm

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The prevalence of asymptomatic bacteriuria among the pregnant women receiving antenatal care at Federal Medical Centre Owerri, Nigeria was studied using one hundred and forty urine samples from the pregnant women in the in-patient and outpatient departments. Thirty-five of the women had significant bacteriuria, with a prevalence rate of 25%. The bacteria in the samples were Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa and Proteus mirabilis. Escherichia coli occurred most frequently (40%) while Pseudomonas aeruginosa had the lowest frequency of occurrence (14%) in the samples. The infection was most prevalent among the women aged between 21 and 30 years (38.1%) and lowest among those between 41 and 50 years of age (9.4%). The prevalence was highest among the pregnant farmers and lowest among the pregnant civil servants in both the in-patient and outpatient departments. Pregnant women in the outpatient department had a higher prevalence than the women in the in-patient department. Pregnancy promotes the progression of asymptomatic to symptomatic bacteriuria with its consequences such as pyelonephritis, urinary tract infections and increased foetal mortality, therefore regular urine analysis of all pregnant women by certified health authorities is recommended.

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Section: Characterization and Identification Of The Isolatesmentioning

confidence: 99%

Prevalence of Asymptomatic Bacteriuria among the Pregnant Women Receiving Antenatal Care at Federal Medical Centre Owerri, Nigeria

Samuel¹,

Victoria²,

Ifeanyi³

2016

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“…The bacterial isolates were characterized morphologically and biochemically. Gram staining, catalase, spore, methyl red, voges proskaeur, citrate utilization, oxidase, indole, nitrate reduction, motility and sugar (sucrose, glucose, fructose, and galactose) fermentation tests were carried out as done by Onuorah et al [6]. They were identified as described by Holt et al [7].…”

Section: Characterization and Identification Of The Bacterial Isolatesmentioning

confidence: 99%

Microbial Contamination of Electrical Power Transformer Oil Obtained from Onitsha, Nigeria

Samuel¹,

Michael²,

Ifeanyi³

2016

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Microbial contamination of in-use and unused electrical power transformer oils obtained from Onitsha, Nigeria was studied using cultural techniques. The average bacterial and fungal counts of the in-use oil were 1.2 x 10 2 cfu/ml and 0.7 x 10 2 cfu/ml respectively while the mean bacterial and fungal counts of the unused oil were 0.5 x 10 2 cfu/ml and 0.3 x 10 2 cfu/ml respectively. The microorganisms from the in-use oil were Micrococcus luteus, Pseudomonas aeruginosa, Serratia marcescens, Corynebacterium bovis, Bacillus subtilis, Klebsiella aerogenes, Aspergillus niger, Aspergillus flavus and Mucor pusillus while those from the unused oil were Micrococcus luteus, Serratia marcescens, Bacillus subtilis, Klebsiella aerogenes and Aspergillus fumigatus. Bacillus subtilis occurred most frequently in both oils. The P H of the medium decreased to the acidic level while there was an increase in the viable counts, indicating the utilization of the transformer oils by the isolates. These isolates may cause the deterioration in the oils quality leading to the failure of the transformer with its attendant economic losses. Regular inspection and maintenance of the transformer as well as periodic changing of its oil is recommended to curb the economic losses.

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“…Colony morphology, Cellular morphology, Lactophenol cotton blue staining, Germ tube test, Slide culture, Gram staining, Sugar assimilation, urease, motility and Chlamydospore formation tests were carried out as done by Onuorah et al [9] to characterize the fungi. They were identified according to the description of David et al [10].…”

Section: Characterization and Identification Of The Fungal Isolatesmentioning

confidence: 99%

Mycology of Hand-dug Shallow Water Wells in Awka Metropolis, Anambra State, Nigeria

Samuel¹,

Rosemary²,

Frederick³

2016

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Samples collected from hand-dug shallow water wells in Awka metropolis during the dry and wet seasons were subjected to mycological analysis to determine their safety for use. The fungal counts during the dry and wet seasons were 3.5x10 3 cfu/ml-8.2x10 3 cfu/ml and 5.1x10 3 cfu/ml-10.6x10 3 cfu/ml respectively. The fungi isolated during the dry and wet seasons respectively were Candida albicans (42.0% and 44.8%), Cryptococcus neoformans (9.6% and 10.2%), Rhodotorula Harrison (11.5% and 12.6%), Microsporium canis (0.0% and 0.2%), Penicillium chrysogenum (28.0% and 29.3%), Alternaria alternata (0.0% and 0.3%), Mucor mucedo (8.9% and 9.2%) and Sepedonium chrysospermum (0.0% and 0.2%). Candida albicans, Cryptococcus neoformans, Rhodotorula harrison, Penicillium chrysogenum and Mucor mucedo were isolated from 46.7%, 6.7%, 20.0%, 26.7% and 6.7% of the samples respectively during the dry season while 60.0%, 20.0%, 26.7%, 6.7%, 40.0%, 13.3%, 20.0% and 6.7% of the samples respectively had Candida albicans, Cryptococcus neoformans, Rhodotorula harrison, Microsporium canis, Penicillium chrysogenum, Alternaria alternata, Mucor mucedo and Sepedonium chrysospermum. These fungi are human pathogens which are known to cause diseases of animals and humans which if untreated may lead to fatal consequences, therefore adequate treatment of the water will safeguard the health of the users.

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Microbial Contaminants in the Commercial Aviation Fuel Obtained from Benin City Airport, Nigeria

Cited by 10 publications

References 18 publications

Prevalence of Asymptomatic Bacteriuria among the Pregnant Women Receiving Antenatal Care at Federal Medical Centre Owerri, Nigeria

Prevalence of Asymptomatic Bacteriuria among the Pregnant Women Receiving Antenatal Care at Federal Medical Centre Owerri, Nigeria

Microbial Contamination of Electrical Power Transformer Oil Obtained from Onitsha, Nigeria

Mycology of Hand-dug Shallow Water Wells in Awka Metropolis, Anambra State, Nigeria

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