Christian Okechukwu Nweke

Joint Effects of Water-Miscible Solvents on Kluyveromyces marxianus Cell-Free β-Galactosidase Activity

Oluchukwu Roseline Nweke, Christian Okechukwu Nweke, Christian Chibuzor Opurum, Obioma Kelechi Mejeha, Chinonso Judith Pius & Chidimma Precious Onyeka · Biotechnology Journal International · 2026

Aim: The study aims to assess the inhibitory effects of ethanol-N,N-dimethylformamide (DMF) and ethanol-dimethyl sulfoxide (DMSO) binary mixtures on Kluyveromyces marxianus cell-free β-galactosidase activity. Study design: A cell-free enzyme assay integrating concentration-respon...

Open access Research Article 10.9734/bji/2026/v30i4888

Toxicity of Quaternary Mixture of Formulated Glyphosate and Phenols on Providencia vermicola Dehydrogenase Activity

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 Article 10.9734/acri/2021/v21i430239