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Elijah Ngumba, PhD
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Year
Occurrence of selected antibiotics and antiretroviral drugs in Nairobi River Basin, Kenya
E Ngumba, A Gachanja, T Tuhkanen
Science of the Total Environment 539, 206-213, 2016
2742016
Determination of caffeine content of tea and instant coffee brands found in the Kenyan market
HN Wanyika, EG Gatebe, LM Gitu, EK Ngumba, CW Maritim
African journal of food science 4 (6), 353-358, 2010
2052010
Occurrence of antibiotics and risk of antibiotic resistance evolution in selected Kenyan wastewaters, surface waters and sediments
P Kairigo, E Ngumba, LR Sundberg, A Gachanja, T Tuhkanen
Science of the Total Environment 720, 137580, 2020
1852020
A multiresidue analytical method for trace level determination of antibiotics and antiretroviral drugs in wastewater and surface water using SPE-LC-MS/MS and matrix-matched …
E Ngumba, P Kosunen, A Gachanja, T Tuhkanen
Analytical methods 8 (37), 6720-6729, 2016
852016
Contamination of surface water and river sediments by antibiotic and antiretroviral drug cocktails in low and middle-income countries: occurrence, risk and mitigation strategies
P Kairigo, E Ngumba, LR Sundberg, A Gachanja, T Tuhkanen
Water 12 (5), 1376, 2020
712020
Occurrence of antibiotics and antiretroviral drugs in source-separated urine, groundwater, surface water and wastewater in the peri-urban area of Chunga in Lusaka, Zambia
E Ngumba, A Gachanja, J Nyirenda, J Maldonado, T Tuhkanen
Water SA 46 (2), 278-284, 2020
572020
Emerging technologies for enhanced removal of residual antibiotics from source-separated urine and wastewaters: A review
KO Imwene, E Ngumba, PK Kairigo
Journal of Environmental Management 322, 116065, 2022
512022
Mass loading, distribution, and removal of antibiotics and antiretroviral drugs in selected wastewater treatment plants in Kenya
C Muriuki, P Kairigo, P Home, E Ngumba, J Raude, A Gachanja, ...
Science of The Total Environment 743, 140655, 2020
442020
Removal of selected antibiotics and antiretroviral drugs during post‐treatment of municipal wastewater with UV, UV/chlorine and UV/hydrogen peroxide
E Ngumba, A Gachanja, T Tuhkanen
Water and Environment Journal, 2020
322020
Pineapple peel biochar and lateritic soil as adsorbents for recovery of ammonium nitrogen from human urine
AO Otieno, PG Home, JM Raude, SI Murunga, E Ngumba, DO Ojwang, ...
Journal of Environmental Management 293, 112794, 2021
312021
Occurrence, distribution, and risk assessment of pharmerciuticals in wastewater and open surface drains of peri-urban areas: Case study of Juja town, Kenya
CW Muriuki, PG Home, JM Raude, EK Ngumba, GK Munala, PK Kairigo, ...
Environmental Pollution 267, 115503, 2020
312020
Isolation and identification of essential oils from Cymbopogan citratus (stapf) Dc Using GC-MS and FT-IR
ES Madivoli, L Gitu, E Gumba
Chemistry and Materials Research 2 (4), 13-22, 2012
172012
Physicochemical analysis of honey in the Kenyan retail market
F Nganga, A Onditi, A Gachanja, E Ngumba
Food Science and Quality Management 12, 30-36, 2013
132013
Production of Probiotic Yoghurt Flavored with the Spice, Aframomum danielli, Strawberry and Vanilla
GO Adegoke, S Musenbi, S Wachira, C Muigai, F Muigai, E Ngumba, ...
Food and Public Health 3 (2), 92-96, 2013
82013
Contamination of groundwater with sulfamethoxazole and antibiotic resistant Escherichia coli in informal settlements in Kisumu, Kenya
KJ Karimi, E Ngumba, A Ahmad, AG Duse, D Olago, SN Ndwigah, ...
PLoS Water 2 (4), e0000076, 2023
62023
Occurrence and control of selected antibiotics and antiretroviral drugs in urban hydrological cycles
E Ngumba
Jyväskylä studies in biological and environmental science, 2018
52018
Iron functionalized silica particles as an ingenious sorbent for removal of fluoride from water
P Kiprono, J Kiptoo, E Nyawade, E Ngumba
Scientific Reports 13 (1), 8018, 2023
42023
Experimental Investigations of the Effects of Secondary Air Injection on Gaseous Emission Profiles (NOx, NO, NO2, CO) and Hydrocarbons (CxHx) in Cookstoves Using Charcoal from …
P Njogu, P Muthoni, P Oketch, D Omondi, E Ngumba
Smart Grid and Renewable Energy 14 (1), 1-13, 2023
12023
Removal of Methylene Blue and Neutral Red Dyes from Spiked Waste-Water Using Edtad Modified Cellulose Obtained from Pennisetum purpureum
AM Salim, E Ngumba, B Oyaro
Chemical Science International Journal 30 (3), 1-12, 2021
12021
Studies on the Degradation Kinetics and the Levels of Chlorothalonil and Chlorpyrifos in the Water Systems Within the Coffee Growing Zones of Kiambu County, Kenya
EK Ngumba
Abstracts of postgraduate thesis, 2012
2012
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Articles 1–20