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    Wyświetlanie 1-5 z 5
    Tytuł:
    Economics of Environmental Pollution on Cassava-Based Farmers’ Health and Production Efficiency within Lafarge Cement Concession Area in Mfamosing, Cross River State, Nigeria
    Autorzy:
    Edet, E. O.
    Udoe, P. O.
    Isong, I. A.
    Abiam, N. E.
    Powiązania:
    https://bibliotekanauki.pl/articles/1077276.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Cement Pollution
    Lafarge
    Mfamosing
    Stochastic Frontier
    cassava-based farmers
    Opis:
    The paper undertakes an assessment of the economics of environmental pollution on cassava-based farmers’ health and production efficiency within the Lafarge cement concession area in Mfamosing, Akamkpa Local Government Area, Cross River State. Data for the study were sourced from 60 cassava-based farmers drawn from neighbourhood and non-neighbourhood locations and analyzed using descriptive statistics and stochastic production frontier techniques. The result showed that farming activities in the area have been dominated by females with an average age of 43 and 35 years of age and household size between 4 and 6 persons. Clearly, the results indicate that cement plant activities have reduced farm productivity over the last 5 years, and has affected the livelihood of the farmers. The study also averred that respiratory diseases, diarrhea, skin rashes, heart disease, asthma, coughs and skin cancer have been the various health challenges suffered by the farmers. According to the study results, farmers lost 44 days due to heart disease, 33 days due to respiratory diseases, and 7 days due to diarrhea. The result of the maximum likelihood estimates (MLEs) of the stochastic frontier production function indicate that hired labour, quantity of fertilizer used and quantity of cassava stem cuttings were the significant variables that influenced cassava yield. The estimated technical efficiency (TE) ranged from 0.45 - 0.99, with a mean index of 0.67 (target group) and 0.57 – 0.99, with a mean of 0.82 (control group). The number of days lost due to illness was the most significant variable influencing inefficiency levels in the study area. It was, therefore, recommended that policies aimed at increasing efficiency should focus on improving health care services in the farming communities, while encouraging efficient level of pollution control by the prescribed cement factory, ab initio.
    Źródło:
    World News of Natural Sciences; 2019, 23; 182-199
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Impact of climate variability on yield of maize and yam in Cross River State, Nigeria: An autoregressive distributed lag bound approach
    Autorzy:
    Edet, E. O.
    Udoe, P. O.
    Isong, I. A.
    Abang, S. O.
    Ovbiroro, F. O.
    Powiązania:
    https://bibliotekanauki.pl/articles/1031443.pdf
    Data publikacji:
    2021
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Sustainable development
    error correction model
    food security
    yield
    Opis:
    The study examined the impact of climate variability on yield of maize and yam in Cross River State, Nigeria. The specific objectives of the study were to determine the long-run and short-run impact of climate variability factors on yields of maize and yam. Data were sourced from the Nigerian Meteorological Agency (NiMeT) and Cross River State Ministry of Agriculture spanning from 1990-2016. Data obtained were analyzed using inferential statistics. Precisely, the model was estimated by the Ordinary Least Squares (OLS) multiple regression technique, which is within the Autoregressive Distributed Lag Bound approach and error correction testing framework. Both model-1 (maize yield) and model-2 (yam yield) passed through the conditions of the diagnostics and stability test. The study revealed that climate variables had a significant impact on maize yield both in the long and short-run. Based on the findings, it was concluded that proactive measures should be put in place to aid crop farmers adapt to the prevailing and looming threats of climate variability for the purpose of attaining the State’s food security balance sheet. To sustain this drive, an institutional and infrastructural support system is advocated in order to meet one of the goals of sustainable development agenda of the United Nations. Policy recommendations on how to cushion the impact of climate variability on the prescribed crops have been appropriately cited.
    Źródło:
    World News of Natural Sciences; 2021, 36; 60-74
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Antimicrobial studies and phytochemical analysis of the fruits and leaves of Cnestis ferruginea
    Autorzy:
    Ebana, R. U. B.
    Edet, U. O.
    Atang, D. E.
    Iyere, L. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1076689.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Antimicrobials
    Cnestis ferruginea
    GC-MS
    Phytochemicals
    clinical isolates
    resistance
    Opis:
    Few studies have shown that Cnestis ferruginea possess some therapeutic properties. The present study was aimed screening the extracts of the fruits and leaves of Cnestis ferruginea for phytochemicals using crude screening and gas chromatography-mass spectrophotometer (GC-MS) methods, and also antimicrobial activity against clinical isolates. Preparation of the extracts (aqueous and ethanolic), identification of isolates, and antimicrobial sensitivity were done using previously reported standard methodologies. Replicate readings for the antimicrobial sensitivity were analysed using analysis of variance at 95% level of significance. The result of the crude qualitative screening revealed the presence of phenol, terpenes, alkaloids, saponins, tannin and polyphenol in various amounts in both the leaves and fruits. Quantitative analysis using GC-MS revealed a total of 14 similar phytochemicals each in the leaves and fruits of the study plant in varying amounts. In the fruits, phenol had the highest concentration of 15.01%, followed by terpenes (10.64%), alkaloid (5.43%), and tannins (5.16%). Others were anthocyanins, phytate, phytosterol, steroids, saponins, cardiac glycosides, oxalate, flavonoids, cyanogenic glycosides and coumarin with concentrations that ranged from to 0.01- 4.21%. On the other hand, in the leaves, alkaloids had the highest concentration of 31.62%, followed by phenol (20.59%), phytate (15.18%), and tannin (12.34%). Others include were flavonoid, terpenes, phytosterol, cardiac glycosides, saponins, cyanogenic glycosides, oxalate, anthocyanins, steroids and coumarin with concentrations that ranged from 0.16-8.45%. The isolates were identified as Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa and Proteus spp. The results of the antimicrobial sensitivity revealed varying zones of inhibitions; however, it increased as the concentration of the extract increased. The observed highest zones of inhibitions were 33.86 mm for the fruit ethanolic extract and 30.56 mm for the aqueous extract of the leaves against Proteus and Staphylococcus aureus, respectively.
    Źródło:
    World News of Natural Sciences; 2019, 25; 188-198
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Prevalence and antimicrobial susceptibility of Klebsiella pneumoniae isolated from hospitalized patients at General Hospital, Etim Ekpo, Akwa Ibom State, Nigeria
    Autorzy:
    Anosike, I. Kelechi
    Edet, U. Okon
    Umoafia, G. E.
    Agbo, B. E.
    Ejelonu, V. O.
    Onyesoro, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/1030832.pdf
    Data publikacji:
    2020
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Antibiotic susceptibility
    Klebsiella pneumonia
    Nosocomial
    Prevalence
    Resistance
    Opis:
    Klebsiella pneumoniae (KP) was investigated in respondents presenting signs and symptoms of urinary tract infection (UTI) in a rural community. Using simple random sampling, a total of 360 respondents (144 males and 216 females) were recruited into the study following informed consent and ethical approval. Mid-stream urine samples were collected from all the respondents aseptically using standard protocol. Isolation of K. pneumoniae was done using morphological characteristics and various biochemical tests while antibiotic sensitivity testing using various antibiotics was done using guidelines of Clinical and Laboratory Standard Institute. A total of 16 samples gave positive culture representing an overall prevalence of 4.4%. Furthermore, prevalence rates of 2.8%, 5.6%, 47.82%, 4.9%, 3.50%, and 8.60% for males, females, diabetics, in-patients, out-patients, and respondents above 60 years of age respectively were obtained. Resistance to antibiotics ranged from 37.50 to 56.25% for gentamycin and nalidixic, and tarivid, respectively. There is need for preventive measures aimed at sensitization of dwellers in community settings.
    Źródło:
    World Scientific News; 2020, 145; 222-233
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Human microbiome diversity: implications in health, disease, and applications
    Autorzy:
    Mboto, C. I.
    Edet, U. O.
    Mbim, E. N.
    Zenoh, D. A.
    Umego, C. F.
    Odidi, F. S.
    Tarh, J.
    Upula, S. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1109197.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Human microbiome
    applications of microbiome
    gut
    health and disease
    Opis:
    The human microbiome is a complex collection of microorganisms, including their genes and the metabolites colonizing the human body, and playing various functions in health and disease. The arrival of culture-independent molecular techniques such as metagenomics, transcriptomics, proteomics, and metabolomics have removed the limitations imposed by culture-dependent techniques. These advanced techniques have also brought about some paradigm shifts in what is known about the structural and functional diversities of the human microbiome in health and disease. The dynamics of the human microbiome is implicated in a number of human gastrointestinal and non-gastrointestinal diseases. This makes it a contemporary issue in biological and medical sciences. Of interest, some applications have already emerged for the human microbiome. These include being the source of antimicrobial substances, faecal microbiome therapy, probiotics, prebiotics and phage therapy. Given that a number of factors can alter the host microbiome - such as environment, lifestyle, stage of life, occupation, mode of delivery, therapy and so on, there is a need for more human microbiome projects that will help to capture these diversities in various continents. Furthermore, for the full impact of the various applications (both potentials and current) of human microbiome to be felt, there is need for more studies that will fully elucidate their physiology in humans.
    Źródło:
    World News of Natural Sciences; 2018, 21; 98-117
    2543-5426
    Pojawia się w:
    World News of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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