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Browsing School of Pure and Applied Sciences by Author

Browsing School of Pure and Applied Sciences by Author "Lalah, Joseph O."

Now showing items 1-8 of 8

Analysis of Moss and Topsoil to Monitor Metal Emissions from a Pulp and Paper Mill in Western Kenya

Lalah, Joseph O. (Springer, 2010-07-05)

The mean concentrations of Zn, Cu, Cd, Cr and Fe in mosses around Webuye Pan Paper factory were found to be significantly higher than in controls taken from Kakamega, indicating atmospheric contribution from the anthropogenic ...
Anthropogenic Sources of Heavy Metals in the Indian Ocean Coast of Kenya

Lalah, Joseph O. (Springer Science+Business Media, LLC, 2008-11-28)

Water and surface sediment samples from Rivers Sabaki, Ramisi and Vevesi that flow into the Indian Ocean coast of Kenya were analysed for heavy metals. The sediment concentrations of exchangeable cations (in μg/g) for ...
The bioaccumulation and fate of a branched 14C-p-nonylphenol isomer in Lymnaea stagnalis L.

Lalah, Joseph O.; Behechti, Akbar; Severin, Gabriele F; Lenoir, Dieter; Günther, Klaus; Kettrup, Antonius; Schramm, Karl-Werner (2003)

A single branched isomer of p-nonylphenol, 4(3′,6′-dimethyl-3′-heptyl)-phenol, previously identified by gas chromatography-mass spectrometry as one of the major constituent isomers in p-nonylphenol (constituting approximately ...
The Effect of Local Cooking Methods on Polycyclic Aromatic Hydrocarbons (PAHs) Contents in Beef, Goat Meat, and Pork as Potential Sources of Human Exposure in Kisumu City, Kenya

Lalah, Joseph O. (Taylor & Francis Group, LLC, 2012-11-13)

Roasted meat is known to be a major source of human exposure to PAHs. The contribution of direct-heat charcoal-roasted, electric- oven grilled, and shallow-pan fried meat to human exposure in Kisumu City was not known ...
Effects of a Branched p-Nonylphenol Isomer (4(3 -,6 -dimethyl-3 -heptyl)-phenol) on Embryogenesis in Lymnae stagnalis L.

Lalah, Joseph O.; Severin, G. F. (2015-05-19)

The tertiary branched alkyl-chain isomers of p-nonylphenol (NP) are perceived to have more estrogenic potency than its constituent secondary and primary straight alkyl-chain isomers. Investigations with single tertiary ...
High Concentrations of Polycyclic Aromatic Hydrocarbons Found in Water and Sediments of Car Wash and Kisat Areas of Winam Gulf, Lake Victoria-Kenya

Lalah, Joseph O. (Springer Science+Business Media, 2009-08-28)

Mean concentrations of selected USEPA priority polycyclic aromatic hydrocarbons (PAHs) in surface sediments and water samples from Car Wash and Kisat areas of Winam Gulf, Lake Victoria in Kenya have been determined using ...
Seasonal variability of persistent organochlorine pesticide residues in marine fish along the Indian Ocean coast of Kenya

Lalah, Joseph O.; Barasa, M. W.; Wandiga, S. O. (Taylor & Francis, 2008-05-01)

The adsorption behaviour of DDT in a tropical silt-clay soil from Kenya showed that addition of increasing metal ion concentrations from 10 to 100 lg/g of soil, reduced the % DDT adsorption in the soil by factors ranging ...
Seasonal variation in concentrations of organochlorine pesticide residues in tropical estuarine sediments along the Indian Ocean Coast of Kenya

Lalah, Joseph O.; Barasa, M. W.; Wandiga, Shem O. (2015-05-19)

Browsing School of Pure and Applied Sciences by Author "Lalah, Joseph O."

Browsing School of Pure and Applied Sciences by Author "Lalah, Joseph O."

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