Chima Ngumah
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View article: Microbial corrosion inhibition of mild steel by Bacillus thuringiensis
Microbial corrosion inhibition of mild steel by Bacillus thuringiensis Open
The mechanism of microbial corrosion inhibition cannot be linked to a single biochemical reaction or particular species or group of microbes. Some microorganisms are able to both cause and inhibition corrosion. Studies on the effect of Bac…
View article: 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
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 Open
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 …
View article: Impacts of different concentrations of Copper and Zinc on in vitro responses of Azotobacter chroococum in biomass and nitrogen fixing outputs
Impacts of different concentrations of Copper and Zinc on in vitro responses of Azotobacter chroococum in biomass and nitrogen fixing outputs Open
The responses of Azotobacter chroococum for copper and zinc were surveyed in this study. The impacts of different concentrations of copper and zinc on biomass formation and nitrogen fixation of Azotobacter chroococum were investigated. Bat…
View article: Effects Of Cobalt And Manganese On Biomass And Nitrogen Fixation Yields Of A Free-Living Nitrogen Fixer - Azotobacter Chroococcum
Effects Of Cobalt And Manganese On Biomass And Nitrogen Fixation Yields Of A Free-Living Nitrogen Fixer - Azotobacter Chroococcum Open
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…
View article: Optimizing biomethanation of a lignocellulosic biomassusing indigenous microbial-cellulases systems
Optimizing biomethanation of a lignocellulosic biomassusing indigenous microbial-cellulases systems Open
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 slau…
View article: 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
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 Open
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 p…