Efficient adsorption of lead (II) and copper (II) from aqueous phase using oxidized multiwalled carbon nanotubes/polypyrrole composite WN Nyairo, YR Eker, C Kowenje, I Akin, H Bingol, A Tor, DM Ongeri Separation Science and Technology 53 (10), 1498-1510, 2018 | 79 | 2018 |
Impact of fertilizers on heavy metal loads in surface soils in Nzoia nucleus estate sugarcane farms in Western Kenya S Omwoma, JO Lalah, DMK Ongeri, MB Wanyonyi Bulletin of environmental contamination and toxicology 85, 602-608, 2010 | 38 | 2010 |
Levels of toxic metals in multisectoral samples from Winam Gulf of Lake Victoria DMK Ongeri, JO Lalah, SO Wandiga, KW Schramm, B Michalke Bulletin of Environmental Contamination and Toxicology 82, 64-69, 2009 | 34 | 2009 |
Efficient removal of lead (II) ions from aqueous solutions using methyl-β-cyclodextrin modified graphene oxide WN Nyairo, YR Eker, C Kowenje, E Zor, H Bingol, A Tor, DM Ongeri Water, Air, & Soil Pollution 228, 1-10, 2017 | 24 | 2017 |
Declining commercial fish catches in L ake V ictoria's W inam G ulf: The importance of restructuring Kenya's aquaculture programme S Omwoma, PO Owuor, DMK Ongeri, M Umani, JO Lalah, KW Schramm Lakes & Reservoirs: Research & Management 19 (3), 206-210, 2014 | 17 | 2014 |
Seasonal variability in cadmium, lead, copper, zinc and iron concentrations in the three major fish species, Oreochromis niloticus, Lates niloticus and Rastrineobola argentea … DMK Ongeri, JO Lalah, SO Wandiga, KW Schramm, B Michalke Bulletin of environmental contamination and toxicology 88, 166-171, 2012 | 17 | 2012 |
Speciation of Cd, Cu, Zn, Fe and Pb in sediments sampled from Lake Victoria basin, Kenya DMK Ongeri, JO Lalah, SO Wandiga The Environmentalist 30, 254-259, 2010 | 14 | 2010 |
Effect of genotypes in different environments on micronutrient content of black tea WN Omwoyo, PO Owuor, DM Ongeri, DM Kamau | 12 | 2014 |
Availability of some inorganic micronutrients and effects of grading on their levels in East African black teas and infusions. WN Omwoyo, PO Owuor, DM Ongeri, DM Kamau, BO Kwach, PM Munyao | 10 | 2013 |
Accumulation, Distribution and Metabolism of 14C- 1,1,1- Trichloro-2, 2-, Bis- (P-Chlorophenyl) Ethane (p,p′-DDT) Residues in a Model Tropical Marine Ecosystem SO Wandiga, DMK Ongeri, L Mbuvi, JO Lalah, IO Jumba Environmental technology 23 (11), 1285-1292, 2002 | 10 | 2002 |
Physicochemical parameters heavy metal residue levels and their speciation studies in the Victoria basin DMK ONGERI Maseno University, 2008 | 9 | 2008 |
The impact of agronomic inputs on selected physicochemical features and their relationships with heavy metals levels in surface sediment and water in sugarcane farms in Nzoia … S Omwoma, JO Lalah, DMK Ongeri, KW Schramm Environmental Earth Sciences 71 (10), 4297-4308, 2014 | 8 | 2014 |
The impact of nitrogenous and phosphorous nutrients from selected point sources in Kisumu City on River Kisat and Nyalenda Wigwa Stream before their discharge into Winam Gulf … PC Musungu, JO Lalah, IO Jondiko, DMK Ongeri Environmental earth sciences 71, 5121-5127, 2014 | 7 | 2014 |
Removal of tebuconazole from wastewater by zeolite X: kinetics and thermodynamics studies VO Shikuku, CO Kowenje, DMK Ongeri, R Zanella, OD Prestes International Journal of Engineering, Research and Technology 3 (8), 584-1590, 2014 | 7 | 2014 |
Effect of genotypes in different tea-growing locations in Kenya on some micronutrients content of black tea PO Owuor, WN Omwoyo, DM Ongeri, DM Kamau International Journal of Tea Science 9 (04), 06-13, 2013 | 7 | 2013 |
The extent of nutrient removal by wastewater treatment plants along the Nyalenda Wigwa Stream and the River Kisat (Kenya) CP Musungu, IJ Ogoche, J Lalah, D Ongeri, R Chepkui, F Kiema Ecohydrology & Hydrobiology 13 (4), 236-240, 2013 | 7 | 2013 |
Speciation study of trace elements in surface sediment of Winam Gulf, Lake Victoria, by sequential extraction, aqua-regia acid digestion, and ICP-OES DMK Ongeri, JO Lalah, B Michalke, KW Schramm Toxicological & Environmental Chemistry 96 (10), 1489-1500, 2014 | 6 | 2014 |
Nutrient reduction in runoff water from sugarcane farms by sedimentation method S Omwoma, W Nyaigoti Omwoyo, JO Alwala, DMK Ongeri, LC Sylus, ... The Environmentalist 32, 494-502, 2012 | 6 | 2012 |
Effects of nitrogenous fertilizer rates, plucking intervals and location of production on the micronutrient levels of clonal black tea PO Owuor, WN Omwoyo, DM Ongeri, DM Kamau International Journal of Tea Science 10 (01 and 02), 25-33, 2014 | 4 | 2014 |
Impact of anthropogenic activities on copper and lead levels in Kisumu city soils GO Achieng, DMK Ongeri, WN Omwoyo | 3 | 2013 |