Zobrazeno 1 - 10 of 13 pro vyhledávání: '"Chima Ngumah"'
1
Akademický článek
Optimizing biomethanation of a lignocellulosic biomass using indigenous microbial-cellulases systems
Autor: Chima Ngumah, Jude Ogbuli, Justina Orji, Ekperechi Amadi, Chris Nweke, Jude Allino
Publikováno v: BioTechnologia, Vol 98, Iss 3, Pp 245-255 (2018)
Studies on enhancing biomethanation were performed to ascertain whether amending lignocellulosic biomass waste with indigenous microbial-cellulases systems will improve biomethane output. To evaluate this, gastrointestinal contents of slaughtered bee
Externí odkaz: https://doaj.org/article/77ac8d858a5b4b2888baa530ebcf2120
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2
Akademický článek
Effects of cobalt and manganese on biomass and nitrogen fixation yields of a free-living nitrogen fixer - Azotobacter chroococcum
Autor: Justina Orji, Chima Ngumah, Hanna Asor, Anulika Anuonyemere
Publikováno v: European Journal of Biological Research, Vol 8, Iss 1 (2018)
The effects of different concentrations of cobalt and manganese on the biomass and the ability of Azotobacter chroococcum to fix nitrogen were investigated. In vitro trials were conducted in Jensen’s (nitrogen free) broth (half strength) under cont
Externí odkaz: https://doaj.org/article/682665d5421742aaaa7e93025f369020
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3
Akademický článek
Antifungal potencies of ethanol leaf extracts of four plants found around traditional Yan Barns in south eastern Nigeria on five Yam pathogens implicated in postharvest Yam rot
Autor: Chima Ngumah, Sarah Umeh, Etienne Chinakwe, Jane Ngumah
Publikováno v: All Results Journals: Biol, Vol 6, Iss 2, Pp 24-29 (2015)
The susceptibilities of five fungi implicated in postharvest rot of yam, namely, Aspergillus niger, Penicillium oxalicum, Mucor circinelloides, Fusarium oxysporum, and Rhizopus nigricans were evaluated using ethanol leaf extracts of four plants commo
Externí odkaz: https://doaj.org/article/d697e028a6db4472a0d76940f8a0c974
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4
Microbial Assessment and Health Risks of Consumption of Uncooked Smoked Horse Mackerel Fish (Trachurus trachurus) Sold in Open Markets in Owerri Metropolis, South Eastern Nigeria
Autor: Chima Ngumah, C. E. Ihejirika, E. C. Ezenweani, E. C. Chinakwe, N. U. Nwogwugwu, E. E. Mike Anosike
Publikováno v: South Asian Journal of Research in Microbiology. :15-20
Aim: To assess the microbiological quality of uncooked smoked horse mackerel fish (Trachurus trachurus) sold in Owerri and ascertain the presence and prevalence of microorganisms of public health importance. Study Design: Random sampling was done. Pl
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9ca523e77df28cac173bd505f976afcb
https://doi.org/10.9734/sajrm/2021/v10i330230
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5
Optimizing biomethanation of a lignocellulosic biomass using indigenous microbial-cellulases systems
Autor: Justina Orji, Chima Ngumah, Chris O. Nweke, E. S. Amadi, Jude Allino, Jude Ogbuli
Publikováno v: BioTechnologia, Vol 98, Iss 3, Pp 245-255 (2018)
Studies on enhancing biomethanation were performed to ascertain whether amending lignocellulosic biomass waste with indigenous microbial-cellulases systems will improve biomethane output. To evaluate this, gastrointestinal contents of slaughtered bee
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f5090a7de7f6c2acd1420034df3635b
https://www.termedia.pl/Optimizing-biomethanation-of-a-lignocellulosic-biomass-r-nusing-indigenous-microbial-cellulases-systems,85,30834,1,1.html
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7
ANTIBACTERIAL ACTIVITIES OF DRIED LEAF EXTRACTS OF CARICA PAPAYA, PTEROCARPUS SOYAUXII, AND VERNONIA AMYGDALINA ON CLINICAL ISOLATES OF ESCHERICHIA COLI, KLEBSIELLA PNEUMONIAE, STAPHYLOCOCCUS AUREUS AND BACILLUS SUBTILIS
Autor: Chima NGUMAH, Sarah UMEH, Etienne CHINAKWE, Nnenna ONYEMEKARA, Jane NGUMAH, MaryJoan NGUMAH
Publikováno v: Annals of West University of Timisoara: Series of Biology, Vol 19, Iss 1, Pp 35-40 (2016)
The antibacterial activities of cold and hot ethanol extracts of air-dried leaves of Carica papaya, Pterocarpus soyauxii, and Vernonia amygdalina on clinical isolates of Escherichia coli, Klebsiella pneumoniae, Staphylococcus aureus and Bacillus subt
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doajarticles::cfe1274fd7593863ca72a351336249be
http://biologie.uvt.ro/annals/vol_19_1/AWUTSerBio_June2016_35-40.pdf
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8
BIOGAS POTENTIAL OF ORGANIC WASTE IN NIGERIA
Autor: Justina Orji, Amadi Es, Chima Ngumah, JN Ogbulie
Publikováno v: Journal of Urban and Environmental Engineering, Vol 7, Iss 1, Pp 110-116 (2013)
With the growing demerits of fossil fuels - its finitude and its negative impact on the environment and public health - renewable energy is becoming a favoured emerging alternative. For over a millennium anaerobic digestion (AD) has been employed in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::387ee19240f6aaa3715c501079fa5f49
http://www.redalyc.org/articulo.oa?id=283227995011
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9
Biomethanation of Carpet Grass (Axonopus fissifolius)
Autor: E. S. Amadi, Chima Ngumah, Justina Orji, JN Ogbulie
Publikováno v: Environmental Research, Engineering and Management; Vol 66, No 4 (2013); 34-37
Axonopus fissifolius commonly called “carpet grass” was subjected to anaerobic digestion for 30 days. Anaerobic digestion was carried out in a batch-fed process at the ambient temperature of 27-29 0 C. Biomethane measurements were obtained by mea
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b749f0e0f1be224c97b5770c3e5de0a1
http://www.erem.ktu.lt/index.php/erem/article/view/5228
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10
Effects of initiating anaerobic digestion of layer-hen poultry dung at sub-atmospheric pressure
Autor: JN Ogbulie, E. S. Amadi, Chima Ngumah, Justina Orji
Publikováno v: Revista Ambiente & Água v.8 n.3 2013
Revista Ambiente & Água
Instituto de Pesquisas Ambientais em Bacias Hidrográficas (IPABHI)
instacron:IPABHI
Revista Ambiente & Água, Vol 8, Iss 3, Pp 33-42 (2013)
This study investigated the effects of initiating anaerobic digestion (AD) of dry layer-hen poultry dung at the sub-atmospheric pressure of -30 cmHg on biodegradation, biogasification, and biomethanation. The setup was performed as a batch process at
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::694612e53ee6a44a3f2ea08f619d17e9
https://doi.org/10.4136/ambi-agua.1238
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