Gichuru Muriuki

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(-)-Cathinone and d-norpseudoephedrine (DNE) in the dose range 0.2-1.2 mg/ml produced a reduction in contractions of skeletal muscle, evoked by direct and indirect electrical stimulation and antagonised the facilitatory action of physostigmine on the neuromuscular junction; but failed to antagonise a partial blockade induced by d-tubocurarine (dTb) as(More)
Human population pressure and accompanying intensification of cultivation has exacerbated natural resource overuse in sub-Saharan Africa. This is evident in the Lambwe Valley of southwestern Kenya, where intensified cultivation could be a threat to natural resource conservation in Ruma National Park. Land-cover change in the park towards bush encroachment(More)
Field trips to herbalists' practices in an area about 200 miles around Nairobi (Kenya) enabled us to make a list of medicinal plant species preferentially used to treat malaria. Ajuga remota and Caesalpinia volkensii were further investigated as being the most frequently used species. Aqueous decoctions, ethanol macerates, and petroleum ether, methanol and(More)