Inaugural Lectures
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Item Open Access Securing the havest to ensure food for all: A plant pathologist's perspective(Federal University of Technology, Owerri, 2004-07-28) Nwufo, Martin IkechukwuItem Open Access Occurrence of extended-spectrum β lactamases in Escherichia coli isolated from piggery farms in Imo State, Nigeria(Springer Science+Business Media, 2008) Akujobi, C. O.; Ogbulie, J. N.; Alisi, C. S.A total of 600 Escherichia coli isolates recovered from pig wastes from three Senatorial Zones of Imo State, Nigeria, were tested for production of extended spectrum b-lactamases (ESBLs) by the double-disk (DD) potentiation method. Of the numbers of isolates made, 190(32%) were positive for the ESBLs production. Results of testing 190 positive isolates for ESBL production by several recommended methods were as follows (percentage detection in parentheses): DD method with aztreonam (91), ceftazidime (82), ceftriaxone (84), or cefpodoxime (94); broth microdilution method with ceftazidime (77) or cefotaxime (96) alone or in combination with clavulanate; and the standard disk diffusion method with new breakpoints and standard concentrations of aztreonam (69), ceftazidime (81), ceftriaxone (77), or cefpodoxime (98) or a novel concentration (5 lg) of ceftazidime (84). These data indi cate that ESBLs occur at a relatively high incidence in our piggery farms and that the standard disks diffusion method with cefpodoxime and the DD method with several b-lactams are practical and cost-effective methods for detecting ESBL-producing isolates of E. coli.Item Open Access Effect of chemical agents on morphology, tensile properties and water diffusion behaviour of hibiscus sabdariffa fibers(IISTE, 2016) Azeez, Taofik Oladimeji; Onukwulii, Dominic OkechukwuEffective utilization of Hibiscus sabdariffa fibers in composites applications as a reinforcing fibers in polymer matrix have been a major concern due to its poor mechanical and hydrophilic properties. It will be of benefits to environmental and technological advancement, if its properties are properly handled. In this study, the morphological, tensile and water absorption characteristics of H. sabdariffa fibers was aimed to be investigated. H. sabdariffa fibers was modified using sodium hydroxides, sodium lauryl sulphate and ethylene diamine tetraacetic acid. The morphology using scanning electron microscopy, tensile properties (strength, modulus, elongation and energy at break), water absorption and water diffusion behaviours were studied. Chemical modifications improved fiber surface and roughness, tensile strength and modulus, elongation and energy at break with reduced water absorption of H. sabdariffa fibers. The water diffusion behaviour is less - Fickian controlled by water penetration rate. Hence improved the hydrophobic nature of H. sabdariffa fibers.Item Open Access Agricultural credit: A policy catalyst needed for property reduction and rural agricultural transformation in Nigeria(Federal University of Technology, Owerri, 2016-09-22) Orebiyi, Julius SundayItem Open Access Liquid metals: Searching for properties at elevated temperatures(Federal University of Technology, Owerri, 2016-10-19) Anusinonwu, Bede ChinyereItem Open Access Analytical assessment of atomospheric residual aerosol in the environment(Federal University of Technology, Owerri, 2017-03-29) Ubaezue, Ugochukwu EgereonuItem Open Access Human food and healthy lives: Confronting insufficient production and preservation of good quality meat and egg(Federal University of Technology, Owerri, 2017-04-26) Okeudo, Ndukwe JamesItem Open Access Leveraging food security challenges in Nigeria: Through agricultural production, processing and storage for mitigating economic recession(Federal University of Technology, Owerri, 2018-10-24) Asoegwu, Sabbas NwabuezeItem Open Access Effects of the chemical treatment of avocado pear wood filler on the properties of LDPE composites(Carl Hanser Verlag GmbH & Co. KG, 2019) Government, Rabboni Mike ; Ani, Kingsley Amechi; Azeez, Taofik Oladimeji; Onukwuli, Dominic OkechukwuItem Open Access Health Safty and Environment(Federal University of Technology, Owerri, 2019) School of Health Technology, Department of Public Health.Item Open Access Information Education and Communication(Federal University of Technology, Owerri, 2019-02-27) School of Health Technology, Department of Public Health.Item Open Access Microorganisms, microbia products and chronic disabling diseases of humans; New insight(Federal University of Technology, Owerri, 2019-06-29) Dozie, Ikechukwu Nosike Simplicius