Journal Articles: Recent submissions
Now showing items 2361-2380 of 29992
-
Spectrophotmetric evaluation of rotenone extraction from leaves and seeds of mature Tephrosia vogelii plant
(University of Nairobi, 2018)The percentage yield of rotenone extracted from Tephrosia vogelii leaves and seeds was investigated. Ten samples of well ground leaves and seeds were each subjected to extraction in soxhlet extraction system using ... -
Spectrophotmetric evaluation of rotenone extraction from leaves and seeds of mature Tephrosia vogelii plant
(University of Nairobi, 2018)The percentage yield of rotenone extracted from Tephrosia vogelii leaves and seeds was investigated. Ten samples of well ground leaves and seeds were each subjected to extraction in soxhlet extraction system using ... -
Characterization of Kenyan ceramics for production of medium duty alumina firebrick incinerator linings
(University of Nairobi, 2019)The aim of this study was to evaluate locally available ceramic raw materials for the manufacture of Medium Duty Alumina Refractory Firebrick for incinerator lining.The clays were collected from two sites, Eburru in Nakuru ... -
Biopiracy Versus One-world Medicine–from Colonial Relicts to Global Collaborative Concepts
(University of Nairobi, 2019)Background Practices of biopiracy to use genetic resources and indigenous knowledge by Western companies without benefit-sharing of those, who generated the traditional knowledge, can be understood as form of ... -
Two Lignans Derivatives and Two Fusicoccane Diterpenoids From the Whole Plant of Hypoestes Verticillaris (L.f.) Sol. Ex Roem. & Schult
(University of Nairobi, 2019)Bioassay-guided screening of Hypoestes verticillaris whole plant CH2Cl2:MeOH (1:1) extract for anti-plasmodial activity yielded four new compounds: two lignans 2, 6-dimethoxysavinin (1), 2,6-dimethoxy-(7E)-7,8-dehydrohel ... -
Electronically Divergent Triscyclometalated Iridium (Iii)2-1-naphthyl)pyridine Complexes and Their Application in Three Component Methoxytrifluoromethylation of Styrene.
(University of Nairobi, 2019)A systematic study of the photophysical and electrochemical properties of triscyclometalated homoleptic iridium(III) complexes based on 2-(1-naphthyl)pyridine (npy) ligands is presented. A systematic investigation of ligand ... -
Content of Vignettes and Ethical Decision Making Among Business Education Students at the University of Nairobi, Kenya
(University of Nairobi, 2018)Vignette-based methodologies are frequently used to examine judgments, decision-making processes and ethical sensitivity of business education teachers and learners during the learning process in business ethics instruction. ... -
“Invisible Obstacle” To Gender Equality: Gender Stereotype Messages In Early Childhood Education Books In Kenya.
(University of Nairobi, 2018)Globally, research on gender stereotype messages or 'invisible obstacle' in the teaching and learning materials especially for primary and secondary schools is well documented. Findings from studies show illustrations, ... -
Preschools Stakeholders’ Perceptions Of Relevance Of Physical Education And Implementation Of Its Programme In Nairobi And Nyeri Counties, Kenya.
(University of Nairobi, 2018)Physical Education (PE) plays a key role inthe holistic development of a child. It is valued for its immensecontribution to the physical, mental, social and emotional growthof a child. Thus, the need and ... -
Kenya Sign Language (KSL) Phonology: Articulatory Properties and Phonological Processes
(University of Nairobi, 2018)The study of phonology is concerned with the contrastive units of language whether these contrastive units are based on an audio language (like spoken languages) or a visual language (like ... -
Kenya Sign Language (KSL) Phonology: Articulatory Properties And Phonological Processes
(University of Nairobi, 2018)The study of phonology is concerned with the contrastive units of language whether these contrastive units are based on an audio language (like spoken languages) or a visual language (like ... -
Pure non-gestational ovarian choriocarcinoma
(University of Nairobi, 2019)We present a case of a 9-year-old female child who we are managing for pure non-gestational ovarian choriocarcinoma at Kenyatta National Hospital. It is an extremely rare germ cell tumor and quite aggressive. Sub-total ... -
The Gender Variable In The Meanings Assigned To Three English Address Terms By Teachers In Kenya
(UoN, 2018)This paper investigated the range of meanings assigned to the address terms madam, boss and my dear in English usage in Kenya, with gender as an independent variable. It started from three working hypotheses: a) both men ... -
Topic, Focus, And Word Order In The Kiswahili Clause
(University of Nairobi, 2018)The Kiswahili language has been classified as an SVO language. This paper argues that the SVO word order is dependent on the occurrence of both the subject and object overtly. When the two do not surface overtly, the word ... -
Effect of intercropping maize and promiscuous Soybean on growth and yield.
(University of Nairobi, 2018)An study was carried out in Kenya to assess the suitab ility of three promiscuous soybean varieties (SB19, GAZELLE and TGX1990-5F) intercropped with Mai ze (Duma 43). A randomised complete block design ... -
The inheritance of yield components and beta carotene content in sweet potato
(University of Nairobi, 2018)Analysis of the gene action exhibited by an agronomic trait in crop plants is useful in the planning of an effective plant breeding program. This study sought to establish the inheritance variance of root yield components ... -
Burden of cancer in Kenya: types, infection-attributable and trends. A national referral hospital retrospective survey
(University of Nairobi, 2018)Background: Cancer in Africa is an emerging health problem. In Kenya it ranks third as a cause of death after infectious and cardiovascular diseases. Nearly 31% of the total cancer burden in sub-Saharan Africa is attributable ... -
Screening upland Rice genotypes for grain yield and grain quality in Kenya
(University of Nairobi, 2018)Smallholder farmers in Kenya grow local rice cultivars that have low yield potential and poor culinary qualities. Therefore, urban consumers prefer imported rice. The imported rice is expensive and unaffordable to the ... -
Combining ability and heterosis for agronomic and yield traits in indica and Japonica Rice crosses
(University of Nairobi, 2018)Understanding genetic variability and mode of gene action for agronomic and yield related traits is important in formulation of effective rice breeding program for genetic enhancement of grain yield. Combining ability ... -
Determinants of pastoral and agro-pastoral households ’ participation in fodder production in Makueni and Kajiado Counties, Kenya
(University of Nairobi, 2018)Fodder production has been regarded as one of the suitable strategies for increasing feed availability for enhanced livestock production among pastoral and agro-pastoral communities in the drylands of Kenya. Previous studies ...
