Zobrazeno 1 - 10
of 15
pro vyhledávání: '"David M. K. Ongeri"'
Publikováno v:
International Journal of Biochemistry Research & Review. :1-16
Proper nutrition contributes to declines under-five mortality rates and improves the productivity of adults. Addressing nutritional problems requires adequate information on the diets of individuals and populations. African leafy vegetables (ALVs) ar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc9d517fd9a2f6a385121b6b999645d8
https://doi.org/10.9734/ijbcrr/2019/v25i330076
https://doi.org/10.9734/ijbcrr/2019/v25i330076
Autor:
Haluk Bingol, Ilker Akin, Ali Tor, Yasin Ramazan Eker, David M. K. Ongeri, Wilfrida Nyanduko Nyairo, Chrispin O. Kowenje
Publikováno v:
Separation Science and Technology. 53:1498-1510
Polypyrrole coated oxidized multiwalled carbon nanotubes (oMWCNT/Ppy) were applied to determine the adsorption characteristics of Pb(II) and Cu(II) from their aqueous solutions. Structural and morp...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7028720f70f39a6188ceb43747e74e6
https://doi.org/10.1080/01496395.2018.1424203
https://doi.org/10.1080/01496395.2018.1424203
Autor:
Yasin Ramazan Eker, Wilfrida Nyanduko Nyairo, Haluk Bingol, David M. K. Ongeri, Chrispin O. Kowenje, Erhan Zor, Ali Tor
Publikováno v:
Water, Air, & Soil Pollution. 228
Graphene oxide (GO) and graphene oxide modified with methyl-β-cyclodextrin denoted as GO-mβCD were prepared and applied as adsorbents to determine the adsorption characteristics of Pb(II) from aqueous solutions. The characteristic results of Fourie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0a5ce77cb471cf02044eb27eafb8867e
https://doi.org/10.1007/s11270-017-3589-9
https://doi.org/10.1007/s11270-017-3589-9
Publikováno v:
Toxicological & Environmental Chemistry. 96:1489-1500
The speciation of trace metals in surface sediment in Kisumu Carwash area of Winam Gulf, was studied and results compared with those found at Usoma beach which was found to be several orders of magnitude less polluted. High proportions of the metals
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b38885fb87661857b400b87a075a13d
https://doi.org/10.1080/02772248.2015.1030665
https://doi.org/10.1080/02772248.2015.1030665
Publikováno v:
Environmental Earth Sciences. 71:5121-5127
Various industrial facilities including a fish-processing factory, a matchbox factory, a flour mill and a landfill, all in Kisumu City in Kenya, were studied and found to discharge significant amounts of NO2 −–N, NO3 −–N, org N, total N and t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c699653b2921e9ec36c0a226079bff86
https://doi.org/10.1007/s12665-013-2915-9
https://doi.org/10.1007/s12665-013-2915-9
Publikováno v:
Environmental Earth Sciences. 71:4297-4308
Sugarcane farming is the most important cash crop cultivation activity in the Lake Victoria basin of Kenya practised in an area covering approximately 114,000 Ha in total. For better yields, various agronomic inputs including fertilizers and herbicid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::77a0dd48bf1a1720c38a16597c91b6d0
https://doi.org/10.1007/s12665-013-2824-y
https://doi.org/10.1007/s12665-013-2824-y
Autor:
David M. K. Ongeri, Francis Kiema, Chamula Patrick Musungu, Joseph O. Lalah, Richard Chepkui, Isaac Jondiko Ogoche
Publikováno v:
Ecohydrology & Hydrobiology. 13:236-240
Kisat Wastewater Treatment Plant (KWWTP) and Nyalenda Waste Stabilization Ponds (NWSP) clean wastewater before discharge into Winam Gulf (Lake Victoria), but there is lack of information on their efficiency. The current study was carried out to deter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d167337fe97133ec0690b7f0b9f88fa3
https://doi.org/10.1016/j.ecohyd.2013.10.002
https://doi.org/10.1016/j.ecohyd.2013.10.002
Autor:
Lagat C. Sylus, Solomon Omwoma, Joseck O. Alwala, Joseph O. Lalah, W. Nyaigoti Omwoyo, David M. K. Ongeri
Publikováno v:
The Environmentalist. 32:494-502
Due to intensive use of agronomic inputs in sugarcane farming, runoff water from these farms is loaded with high concentrations of nutrients. These nutrients find their way into rivers, lakes and sinks, eutrophicating them. Reducing the levels of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bef8ea55f06cea27968e1bfcb4694c47
https://doi.org/10.1007/s10669-012-9416-3
https://doi.org/10.1007/s10669-012-9416-3
Publikováno v:
Bulletin of Environmental Contamination and Toxicology. 85:602-608
Analysis of heavy metals in top soil samples from Nzoia sugarcane farms in Western Kenya found elevated levels of heavy metals in the soils with mean concentrations (mg kg⁻¹ dry weight) of 142.38, 59.12, 73.35, 116.27, 409.84 (dry season) and 144.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::333e31ddbeddd8200e577b3c4f8492c1
https://doi.org/10.1007/s00128-010-0133-7
https://doi.org/10.1007/s00128-010-0133-7
Publikováno v:
The Environmentalist. 30:254-259
Speciation studies revealed that the heavy metals in sediments of Lake Victoria Basin, Kenya, are highly bioavailable with % average values of 73.3, 66.9, 65.6, 57.1 and 55.8 for Zn, Pb, Fe, Cu and Cd respectively being recorded. The high percentages
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b36a6ca0e4f2c72c1a8d7dee0bc6820
https://doi.org/10.1007/s10669-010-9269-6
https://doi.org/10.1007/s10669-010-9269-6