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George Omwenga

Kenyatta University - Department of Biochemistry, Microbiology and Biotechnology

SCHOLARLY PAPERS

7

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355

TOTAL CITATIONS

0

Scholarly Papers (7)

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1.

Promising Anti-Cervical Cancer Efficacy of Vitex Doniana Sweet (Verbenaceae) Leaf Extracts: An in Vitro Investigation with Molecular Mechanisms

Number of pages: 34 Posted: 19 Mar 2024
Gervason Moriasi, Mathew Piero Ngugi, Peter Githaiga Mwitari and George Omwenga
Department of Biochemistry, Microbiology, & Biotechnology, Kenyatta University, Kenyatta University - Department of Biochemistry, Microbiology and Biotechnology, Kenya Medical Research Institute and Kenyatta University - Department of Biochemistry, Microbiology and Biotechnology
Downloads 91 (736,406)

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MTT Assay, Median Cytotoxic Concentrations (CC50), Median Inhibitory Concentrations (CC50), Androgen Receptor (AR), B-cell lymphoma-2 (BCL-2), caspase-3, cyclin-dependent kinase 1 (CDK1), tumour protein p53 (TP53).

2.

Cytotoxicity, Antiprostate Cancer Effects, and Phytochemical Composition of the Dichloromethane Stem Bark Extract of Acacia Gerrardii (Benth.): A Preliminary Preclinical Investigation

Number of pages: 19 Posted: 05 Dec 2024
Gervason Moriasi, Mathew Piero Ngugi, Dr. Peter Mwitari and George Omwenga
Department of Biochemistry, Microbiology, & Biotechnology, Kenyatta University, Kenyatta University - Department of Biochemistry, Microbiology and Biotechnology, affiliation not provided to SSRN and Kenyatta University - Department of Biochemistry, Microbiology and Biotechnology
Downloads 63 (933,592)

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DPPH assay, MTT assay, prostate cancer-associated genes, Phytochemicals, Ethnomedicine, phytopharmacology

3.

Production of Cellulases by Xylaria sp.KM01, Nemania sp.KM02 and Xylaria sp.KM03 Using Cypress, Eucalyptus and Maize Cobs Substrates and Sequential Saccharification of Maize Cobs for Bioethanol Production

Number of pages: 63 Posted: 30 May 2024
Stephen Mwaniki Kamande, George Omwenga and Mathew Piero Ngugi
Technical University of Kenya, Kenyatta University - Department of Biochemistry, Microbiology and Biotechnology and Kenyatta University - Department of Biochemistry, Microbiology and Biotechnology
Downloads 49 (1,074,648)

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lignocellulose substrates, cellulases, saccharification, Bioethanol

4.

Optimization of Cellulase Production by Nigrospora Oryzae (Berk and Br.) Petch and its Application in Biomass Saccharification and Ethanol Production

Number of pages: 42 Posted: 01 Jul 2025
DUKUZIMANA OLIVIER, George Omwenga, Dennis Kipngenoh Cheruiyot and Mathew Piero Ngugi
Kenyatta University, Kenyatta University - Department of Biochemistry, Microbiology and Biotechnology, Kenyatta University - Department of Biochemistry, Microbiology and Biotechnology and Kenyatta University - Department of Biochemistry, Microbiology and Biotechnology
Downloads 46 (1,109,210)

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Cellulase, Enzyme Optimization, Ethanol Production, Maize Cobs, Sugarcane Bagasse

5.

Cassava Mosaic Virus Vector-Based Delivery of Arabidopsis Thaliana Flowering Locus T (AtFT), Mahihot Esculenta (Cassava) Flowering Locus T1 (MeFT1) Genes into Different Plant Species

Number of pages: 29 Posted: 28 Feb 2024
Samwel Muiruri kariuki, Rose Harriet Okech, Angelyne A. Abuor, Leena Tripathi, Richard Oduor, George Omwenga, George Obiero and Rachel Okeyo-Ikawa
Kenyatta University, International Institute of Tropical Agriculture, University of Nairobi, International Institute of Tropical Agriculture, Kenyatta University, Kenyatta University - Department of Biochemistry, Microbiology and Biotechnology, University of Nairobi and Arbres Biotech
Downloads 44 (1,133,231)

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Transient, EACMV, silencing, AtFT, MeFT1, siRNA, virus vector, VIGS

6.

Bioactivity of Caesalpinia volkensii extracts Against Callosobruchus maculatus: Natural strategy for Cowpea weevil Management

Number of pages: 27 Posted: 07 Oct 2025
Kiplagat John Noel, Mathew Piero Ngugi, George Omwenga and Dennis Kipngenoh Cheruiyot
Kenyatta University - Department of Biochemistry, Microbiology and Biotechnology, Kenyatta University - Department of Biochemistry, Microbiology and Biotechnology, Kenyatta University - Department of Biochemistry, Microbiology and Biotechnology and Kenyatta University - Department of Biochemistry, Microbiology and Biotechnology
Downloads 38 (1,209,354)

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Caesalpinia volkensii, Callosobruchus maculatus, biopesticide, Phytochemicals, GC-MS, cowpea, storage pest

7.

Optimization of In Vitro Chemotherapy for Virus Elimination in Sweet Potato: Toward Sustainable Clean Seed Production in Kenya

Number of pages: 48 Posted: 23 Feb 2026
Rosemary Gatimu, Dennis Kipngenoh Cheruiyot, Steven Runo and George Omwenga
Kenyatta University, Kenyatta University - Department of Biochemistry, Microbiology and Biotechnology, Kenyatta University and Kenyatta University - Department of Biochemistry, Microbiology and Biotechnology
Downloads 24 (1,424,331)

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Ipomoea batatas, Combine therapy, salicylic acid, ribavirin, Sweet Potato Chlorotic Stunt Virus (SPCSV), Sweet Potato Feathery Mottle Virus (SPFMV)