Browsing Journals: Department of Physical Sciences by Author "Ahmed, Hassanali"
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Chemical composition and mosquito repellency of essential oil of Conyza newii propagated in different geographical locations of Kenya
Mayeku, Philip Wafula; Omollo, N. I.; Odalo, O. J.; Ahmed, Hassanali (John Wiley & Sons, 2014)Previously, essential oil of Conyza newii (Asterale: Asteracea, Oliv. & Hiern) growing in the northern part of West Pokot (35◦E, 1◦N) of Kenya was shown to be highly repellent [RD50 =8.9×10−5 mg/cm2, 95% confidence interval ... -
Phenolic and Monoterpenoid Mosquito Repellent Constituents of Headspace Vapors of Conyza newii
Mayeku, Philip Wafula; Sauda, Swaleh; Ahmed, Hassanali (2013-01)The plant Conyza newii has been reported to posses, mosquito repellent and fumigant toxicity properties. In this study headspace vapors emitted by the plant were obtained by adsorption on porapak Q® through headspace ...