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Browsing School of Science and Computing (CS) by Issue Date

Browsing School of Science and Computing (CS) by Issue Date

Now showing items 1-20 of 37

Mixed inoculum development for African acacias - poster no. 50

Muluvi, Geoffrey M.; Sutherland, J. M.; Odee, D. W.; Mcinroy, S. G.; Kimiti, Jacinta M.; Machau, J.; Stanforth, A.; Sprent, J. I. (DFID Research4Development, 1995)
Genetic structure of Kenyan populations of Melia volkensii inferred from random amplified polymorphic DNA (RAPD) analysis

Muluvi, Geoffrey M.; Odee, D. W.; Runo, M. S.; Gicheru, J. (2004)

Melia volkensii is a popular multipurpose tree species in Kenya’s arid and semi arid lands (ASALs). The species has been overexploited in the recent past leading to erosion of genetic diversity. The aim of this study ...
Conservation status and use of medicinal plants by traditional medical practitioners in Machakos District, Kenya

Kisangau, Daniel P.; Musila, Winfred; Muema, Joyce (2004)

From time immemorial, plants have been an indispensable source of both preventive and curative medicinal preparations for human beings. More than 90% of the Kenyan population use medicinal plants at one time or another ...
AHarvest-USAID Communication Seminar

Muluvi, Geoffrey M. (2006-09)
From release to absorption: elucidating the effects of a desert locust pheromone

Mutyambai, Daniel M.; Torto, B.; Njagi, P.; Mugambi, A.; Teal, P. E. (2008)
Unlocking heterosis: Implications of epigenetic polymorphism by considering maize as both a polyploid and a diploid

Kimatu, Josphert N. (2008)

Although heterosis has perhaps been exploited to the fullest extent in maize than in any other crops, the molecular basis of this phenomenon still remains largely elusive even in this crop. Maize had long been regarded and ...
Accessing Ethnoveterinary knowledge in rural Africa offers challenges to achieving millennium development goals.

Wanzala, Wycliffe (2008-04)
Optimisation of parameters for agrobacterium-mediated transformation of sweet potato

Muluvi, Geoffrey M.; Machuka, Jesse; Njagi, W.; Gichuki, S. T.; Macharia, C. (2010)

An Agrobacterium-mediated transformation and somatic regeneration protocol was adapted for a Kenyan sweet potato variety, KSP36. A model cultivar, CTP560 was used as a control. For selection of transformed explants paramomycin ...
Facile microwave accelerated hydrothermal synthesis of manganese oxide molecular sieve nanomaterials and their catalytic applications

King’ondu, Cecil K.; Dharmarathna, Saminda; Iyer, Aparna; Li, Nan; Kuo, Chung-Hao; Pahalagedara, Lakshitha; Suib, Steven L. (2012-08)
Tea and Health

Koech, Robert; Wachira, Francis N.; Raphael, Ngure; Kerio, Lilian (2013-12)

This study is part of the ASARECA regional Food Price Trend Analysis and Policy Options for Enhancing Food Security project being implemented in Tanzania, Kenya, Uganda, Ethiopia, and Rwanda. It contains preliminary ...
Non-tariff barriers in the tea trade and consumer safety: Selected heavy metals in CTC black tea

Moseti, Kelvin; Kinyanjui, Thomas; Kanyiri, Wanyoko J.; Wachira, Francis N. (2013-12)

Heavy metals, in addition to being associated with the etiology of a number of diseases have been listed as non-tariff trade barrier to the tea trade. Therefore, accurate quantitation of levels of certain elements in tea ...
Biochemical relationships involving multiple virus infections, dry matter and selected nutritional attributes in orange fleshed sweetpotato

Wachira, Francis N.; Kiarie, S. M.; Karanja, L. S.; Obonyo, M. (2014)

Sweet potato is a major source of dietary carbohydrate and a key food security crop in Kenya. Production of orange-fleshed sweetpotato (OFSP) in Kenya is constrained by sweetpotato virus diseases whose synergistic interaction ...
Antioxidant, antimicrobial and synergistic activities of tea polyphenols

Wachira, Francis N.; Koech, R. K.; Wanyoko, J. (Elsevier, 2014)

Background: Microbial resistance has become an increasing global problem and there is a need to find out novel potent antimi-crobial agents with alternative modes of action as accessories to antibiotic therapy. Methods ...
Optimized MHealth Batch Verification For a Variant of DSA

Angolo, Shem M.; Xu, Chunxiang; Kamenyi, Domenic M. (IEEE computer society, 2014)

With more and more research focusing on Health Care services, there is need for efficient authentication by use of digital signatures. Currently, the DSA is one of the most commonly used digital signature scheme. This paper ...
Water use conflic ts in East Africa: Lessons Learnt from International DAAD Alumni Expert Seminars on Integrated Water Resources Management within Tsavo River Catchmen

Wanzala, Wycliffe; Ali, A.; Okeyo, B.; Tewodros, T.; Handa, C.; Gerd, F.; Rugger, W.; Jane, N.; Neema, M. (2014 june)
Type: Poster Presentation Antioxidant, antimicrobial and synergistic activities of tea polyphenols

Wachira, Francis N.; Koech, Robert; Wanyoko, John K. (Elsevier, 2014-04)

Background: Microbial resistance has become an increasing global problem and there is a need to find out novel potent antimi-crobial agents with alternative modes of action as accessories to antibiotic therapy. Methods & ...
Assessing the effect of grading on the in vitro availability of Fe, Zn, Cu, Pb and Cd from CTC black tea

Wachira, Francis N.; Moseti, K. O.; Kinyanjui, Thomas; Wanyoko, John K. (2014-09)

In vitro analyses of trace element content in biological systems play an increasingly important role in assessing the environmental impact on health. A quantitative study of five trace elements namely Fe, Zn, Cu, Pb and ...
Assessing the interconnect reliability, stress and deformation around via in flip chips

Juma, Mary A.; Xuliang, Zhang (2014-09)

Analysis System (ANSYS) Tutorial, two dimensional (2D) fracture analysis release 14.0 helped us develop new ideas about stress development and deformation around via in flip chips. The chips are from five different materials ...
Optimization of deformations and hoop stresses in TSV liners to boost interconnect reliability in electronic appliances

Juma, Mary A.; Xuliang, Zhang; Bai, He S.; Ahmed, I. A. A. (International Society for Optics and Photonics, 2015)

Recently, there has been a lot of research with electronic products because more and different functions are integrated into devices and the final product sizes have to be small to meet the market demand. A lot of research ...
Hoop stress development on silicon dioxide liner in through silicon via

Juma, Mary A.; Zhang, Xuliang; Bai, He S. (IEEE, 2015)

Through Silicon Via Interconnects are usually protected with liners. A research on liners was done and conclusion made that they experience reliability problems like hoop stress which put them and the Through Silicon Via ...

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