Aims: The present study aimed at assessing the toxicity effects of phone battery wastes on aquatic and terrestrial bioindicators. Study Design: Five treatments and the controls designs designated as 6.25%, 12.5%, 25%, 50%, 100%, CTRL and 1 mg/kg, 2 mg/kg, 3 mg/kg, 4 mg/kg, 5 mg/k...
Open access
Research Article10.9734/ajbgmb/2020/v5i130117
Aims: This study was undertaken to monitor the different effects of spent Toshiba and Dell laptop battery on the growth and germination indices of Selenastrum capricornutum Prinz, Zea mays L. and Phaseolus vulgaris L. Study Design: Five treatments and the controls designs designa...
Open access
Research Article10.9734/ajarr/2020/v13i130300
Bright Obidinma Uba, Ebele Linda Okoye, Charles Onuora Chude & Joshua Okwuchukwu Ogamba·Asian Journal of Biology·2020
Aims: The study was undertaken to assess the toxicity potentials of spent laptop battery wastes on essential soil microbes and plant bio-indicators. Study Design: Five treatments and the controls designs were set up in triplicates and incubated at 25 ± 2°C for 21 days. The five t...
Open access
Research Article10.9734/ajob/2020/v9i230085
Aims: This research work was designed to evaluate the ecotoxicity potentials of e-waste using Selenastrum capricornutum, Eisenia fetida and Allium cepa as bioindicators. Study Design: Selenastrum capricornutum and Allium cepa bulbs were exposed for 72 h at concentration ranging f...
Aims: To determine the aromatic hydrocarbons degradability and plasmid profile of the marine bacteria isolated from Rivers State contaminated marine environments of Niger Delta. Study Design: Nine treatments and the controls designs were set up in triplicates containing 100 mL of...
Open access
Research Article10.9734/mrji/2019/v27i130087
Aims: To determine effects of aromatic hydrocarbons and marine sediments from Niger Delta on the growth of microalga Phaeodactylum tricornutum. Study Design: Fifteen treatments and the control were designed in triplicates in which long cells containing 25 mL of the algae-toxicant...
Open access
Research Article10.9734/bji/2018/v22i430064
Aims: To explore the phylogenetic framework of bacteria isolated from contaminated marine environments of Niger Delta and the expression of the metabolic genes coding for aromatic hydrocarbon degradation and surfactant production. Study Design: Nine treatments designs were set up...
Open access
Research Article10.9734/arrb/2018/v30i530024
Aims: To determine effects of aromatic hydrocarbons and marine water from Niger Delta on the β-Galactosidase activity mutant Escherichia coli. Study Design: Fifteen treatments and the control designs were set up in triplicates in microtitre plates containing 200 µL of the 100% co...
Open access
Research Article10.9734/acri/2019/v16i330090
Bright Obidinma Uba, Edna Ifeoma Chukwura, Ebele Linda Okoye, Onyedikachi Ubani, Charles Onuora Chude & Ugochukwu Christopher Akabueze·Advances in Research·2019
Aims: To determine the in vitro degradation and reduction of aromatic hydrocarbons by marine bacteria isolated from contaminated marine environments of Niger Delta. Study Design: Nine treatments and nine controls designs were set up in triplicates containing 100 mL of sterile mod...
Open access
Research Article10.9734/air/2019/v18i330090
Bright Obidinma Uba, Edna Ifeoma Chukwura, Ebere Linda Okoye, Amala Amechi Umebosi, Uchechukwu Fidelia Agbapulonwu, Olisaemeka Charles Muogbo, Chidiogo Leticia Okoye, Lilian Onyinyechukwu Oranta, Adaeze Mercy Odunukwe, Chinonso Peace Ndurue & Ogechi Salvation Ehirim·Journal of Applied Life Sciences International·2019
Aims: To examine the effects of biofilm and biosurfactant associated cells of marine bacteria isolated from contaminated marine environments of Niger Delta on aromatic hydrocarbon degradation. Study Design: Nine treatments and the controls designs were set up in triplicates conta...
Open access
Research Article10.9734/jalsi/2018/v19i430069
Aims: To determine the growth profile and catabolic pathways involved in degradation of aromatic hydrocarbons by marine bacteria isolated from Niger Delta, Nigeria. Study Design: Nine treatments designs were set up in triplicate in 500 mL conical flask containing 100 mL of steril...
Open access
Research Article10.9734/mrji/2018/v26i530075
Bright Obidinma Uba, Edna Ifeoma Chukwura, Ebere Linda Okoye, Onyedikachi Ubani, Mark Iyere Irabor, Nwanneka Vivian Onyekwuluje, Joseph Ebuka Ajeh, Calista Sochima Mmuogbo, Maryann Chizoba Nwafor, Chibundom Christiana Igboesorom, Chidera Juliet Nwodo, Jennifer Chinenye Okafor & Chinenyenwa Jennifer Nwachukwu·Journal of Advances in Biology & Biotechnology·2019
Aims: To determine multiple degradation and resistance capabilities of marine bacteria isolated from Rivers State, Nigeria on petroleum pollutants and heavy metals. Study Design: Nine treatments and the controls designs were set up in triplicates containing 100 mL of...
Open access
Research Article10.9734/jabb/2018/v20i130068
Aim: To study the growth rate and antifungal activities of acetone extracts of Ocimum gratissimum (scent leaf) and Allium sativum (garlic) on cassava and banana peels formulated media. Study Design: Nine treatments and control designs were set up in triplicates and incubated at 2...
Open access
Research Article10.9734/jamb/2020/v20i430233
Aims: To determine the toxic effect of refinery industrial effluents using three toxicity bioassays. Study Design: Five treatments and the controls designs were set up in triplicates containing 6.25%,12.5%, 25%, 50%, 100% and 0% of the industrial effluents and incubated at 24°C f...
Open access
Research Article10.9734/sajrm/2020/v6i230145
Franca Ngozi Okafor, Michael Uchenna Orji, Samuel Chinedu Onuorah, Bright Obidinma Uba, Chinweike Unoma Dokubo & Joypat Ogechukwu Ofunnwa·Asian Journal of Biology·2021
Aims: To assess the toxicities of some herbicides as individuals and in binary mixtures to Lysinibacillus fusiformis isolated from Oryzasativa plant using dehydrogenase activity as an endpoint. Study Design: The binary mixture consists of combination of any two herbicides selecte...
Open access
Research Article10.9734/ajob/2021/v12i330165
Franca Ngozi Okafor, Michael Uchenna Orji, Christian Okechukwu Nweke, Samuel Chinedu Onuorah, Bright Obidinma Uba & Chinweike Unoma Dokubo·Archives of Current Research International·2021
Aims: To assess the toxicity of glyphosate (as an active ingredient in drysate), three phenols (2,4-dichlorophenol, 4-chlorophenols and phenol) and quaternary mixtures of glyphosate, 2,4-dichlorophenol, 4-chlorophenol and phenol on the dehydrogenase activity (DHA) of P. vermicola...
Open access
Research Article10.9734/acri/2021/v21i430239