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Now showing items 11-20 of 65
Growth-inhibiting and larvicidal effects of Melia volkensii extracts on Aedes aegypti larvae
(University of Nairobi, 1988)
Extracts from dry Melia volkensii fruits contain growth-inhibiting activity against larvae of the mosquito Aedes aegypti. The active fraction may be eluted from silica gel using hexane-ethyl acetate (1:1, v:v). At a ...
Determination of total fluorine in vegetables and plants by open-flame ashing and microdiffusion : Comparison with furnace ashing and oxygen-flask combustion
(1988)
The sample is ashed in a nickel crucible over an open flame with calcium hydroxide as the fixative; fluoride is separated by micro-diffusion and measured with a fluoride-selective electrode. The calcium hydroxide fixative ...
The Mystery of Trichothecene Antibiotics in Baccharis Species
(1988-08)
The Brazilian higher plant Baccharis coridifolia has been shown to synthesize de novo a series of highly toxic macrocyclic trichothecene antibiotics heretofore found to be produced only by fungi. These compounds are produced ...
Effect of chronic experimental Trypanosoma congolense infection on the ovaries, pituitary, thyroid and adrenal glands in female goats.
(Uniiversity of Nairobi., 1988-03)
Changes in the ovaries, pituitary, thyroid and adrenal glands in Small East African normally cycling female goats chronically infected with T. congolense are described. Marked fibrosis of the ovaries, a decrease in the ...
Annotated Bibliography On Irrigation And Drainage In Kenya.
(University of Nairobi, 1988)
This annotated bibliography lists 642 works (with abstracts) on irrigation and drainage in Kenya, from 1970-1988. A geographical and a subject index are included.