Browsing Journal Articles by Title

Browsing Journal Articles by Title

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  • The Nairobi castaways: novelistic representations of slum dwellers 
    Yenjela, Wafula (IFRA - Institut Français de Recherche en Afrique, 2023)
    This article is a critique of Nairobi city’s socio-political histories as portrayed in Kenyan literary works of the 1970s, focusing on Mwangi Gicheru’s Across the Bridge (1979), Charles Mangua’s Son of Woman (1971), Meja ...
  • The Nairobi prostitution histories: perspectives from Kenyan novels 
    Yenjela, Wafula (2019-11)
    This article articulates novelists’ constructions of prostitutes’ humanity in the city’s complex spaces that are both enabling and problematic. Through a reading of selected novels in tandem with Kenyan social histories, ...
  • Nano-size layered manganese–calcium oxide as an efficient and biomimetic catalyst for water oxidation under acidic conditions: comparable to platinum 
    King’ondu, Cecil K.; Najafpour, Mohammad M.; Leonard, Kevin C.; Fan, Fu-Ren F.; Tabrizi, Mahmoud A.; Bard, Allen J.; Suib, Steven L.; Haghighi, Behzad; Allakhverdiev, Suleyman I. (2013)
    Inspired by Nature's catalyst, a nano-size layered manganese–calcium oxide showed a low overvoltage for water oxidation in acidic solutions, which is comparable to platinum.
  • Nano-sized manganese oxide–bovine serum albumin was synthesized and characterized. It is promising and biomimetic catalyst for water oxidation 
    King’ondu, Cecil K.; Najafpour, Mohammad M.; Sedigh, Davood J.; Suib, Steven L. (2012)
    Nano-sized manganese oxide–bovine serum albumin was synthesized and characterized by scanning electron microscopy (SEM), atomic force microscopy (AFM), UV-vis, X-ray diffraction (XRD), infrared spectroscopy (FTIR), ...
  • Nanoscale manganese oxide octahedral molecular sieves (OMS-2) as efficient photocatalysts in 2-propanol oxidation 
    King’ondu, Cecil K.; Iyer, Aparna; Galindo, Hugo; Sithambaram, Shanthakumar; Chen, Chun-Hu; Suib, Steven L. (Elsevier, 2010-03)
    Crystalline tunnel structure cryptomelane type manganese oxides (OMS-2) have been studied as photocatalysts for the selective oxidation of 2-propanol to acetone. The reaction is carried out with visible light irradiation ...
  • Natural dyes for solar cell application: UV-visible spectra and outdoor photovoltaic performance 
    King’ondu, Cecil K.; Pamain, Adriano; Pogrebnaya, Tatiana (2014)
    Successful conversion of visible light into electrical output was achieved by using four locally available natural dyes as wide band gap semiconductor sensitizers in Dye sensitized solar cells. Natural dyes ...
  • Natural radioactivity and radiological hazard analysis of construction stones from various quarries in Machakos County-Kenya 
    Mutua, John O.; Linturi, James M.; Maweu, Onesmus M.; Kebwaro, Jeremiah M,.; Matsitsi, Muthama S. (2023-07-27)
    The radioactivity levels of rocks sampled from the quarries of Kyasioni, Mavoloni and Kathaana located in the lower Eastern County of Machakos in Kenya were determined. Forty-two samples were collected using stratified ...
  • Natural radioactivity levels of selected cement brands used in kenya using gamma ray spectroscopy 
    Mulwa, Vincent; Linturi, James M.; Riara, Martin M. (Science and Education Publishing, 2023)
    Cements contain traces of natural radionuclides because the raw materials originate from the earth’s crust. Elevated levels of natural radioactivity can have harmful health effects on living tissues. This study aimed at ...
  • Natural rhizobial populations and nodulation status of woody legumes growing in diverse Kenyan conditions 
    Kimiti, Jacinta M.; Odee, D. W.; Sutherland, J. M.; Sprent, J. I. (Kluwer Academic Publishers, 1995-06)
    The rhizobial populations and nodulation status of both indigenous (mainly Acacia species) and some introduced woody legume species were assessed under glasshouse conditions in soils collected from 12 sites located in ...
  • Naturally Occurring Potentially Harmful Elements in Groundwater in Makueni County, South-Eastern Kenya: Effects on Drinking Water Quality and Agriculture 
    Gevera, Patrick K.; Cave, Mark; Dowling, Kim; Gikuma-Njuru, Peter; Mouri, Hassina (Geosciences, 2020-02-06)
    Makueni County is located in the semi-arid south-eastern Kenya region characterized by unreliable rainfall and limited surface water resources. This necessitates a high reliance on groundwater for domestic and agricultural ...
  • The negative effects of the who covid-19 prevention guidelines on the human immune system 
    Kimatu, Josphert N. (Oriental Scientific Publishing Company, 2020)
    Currently there is little universal language on how practitioners can trace and treat the progression of the COVID-19 and also much less information on its impacts on the human immune system. The emerging results from such ...
  • Neuroprotective Effects of Tea Against Cadmium Toxicity 
    Karori, S. M.; Areba, G. O.; Ngure, R. M.; Khalid, R.; Maloba, F.; Nyaga, N.; Moseti, K. O.; Ngotho, M.; Wanyoko, J. K.; Wachira, Francis N. (2019)
    Background: Cadmium (Cd) is a common pollutant and potential neuro-toxicant to humans. The main treatment for heavy metal toxicity is chelation therapy which is however replete with grave side effects. This study was ...
  • Neutron Pairing Energy of Finite Nuclei 
    Masinde, Fred W. (2019-08-27)
    Neutron pairing energies of some of the finite nuclei have been calculated to understand how the neutron pairing changes as the neutron and proton numbers change from odd to even values in isotopes. How its value changes ...
  • Neutron Star and Its Properties 
    Masinde, Fred W.; Mukubwa, Abel (Scientific Research Publishing, 2020-07-09)
    Neutron stars are created due to the cataclysmic merger of two superdense stellar corpses. It is now evident that neutron-star smash-ups are the source of much of the universe’s gold platinum, uranium and other heavy ...
  • New biologically active compounds from Kenyan propolis. 
    Muli, Elliud; Petrova, Assya; Popova, Milena; Kuzmanova, Christina; Tsvetkova, Iva; Naydenski, Hristo; Bankova, Vassya (Elsevier, 2010-09)
    From propolis samples from Kenya, two new arylnaphtalene lignans were isolated, tetrahydrojusticidin B 1 and 6-methoxydiphyllin 2, along with four known phenolic compounds 5–8, found for the first time in propolis. The ...
  • New indirect immunofluorescence assay as a confirmatory test for human immunodeficiency virus type 1. 
    Ng'ang'a, Zipporah W.; Kiptoo, Michael K.; Mpoke, S. S. (Kenya Medical Association, 2004-05)
    BACKGROUND: Screening of blood and blood products for human immunodeficiency virus (HIV) is routinely performed using the enzyme-linked immunosorbent assay (ELISA), and the results confirmed by Western blot (WB). However, ...
  • A new isoflavanone from the stem bark of Erythrina latissima 
    Wanjala, Cornelius C.; Majinda, Runner R. T. (Elsevier, 2000-08-01)
    Two isoflavonoids — including the new compound 5,7-dihydroxy-2′,4′,5′-trimethoxyisoflavanone (1) — six flavanones and a feruloyl ester were isolated from the stem bark of Erythrina latissima.
  • A new measurement of the neutron detection efficiency for the NaI Crystal Ball detector 
    Martemianov, M.; Kulikov, V.; Demissie, B. T.; Marinides, Z.; Akondi, C. S.; Annand, J. R.; Arends, H. J.; Beck, R.; Borisov, N.; Braghieri, A.; Briscoe, W. J.; Cherepnya, S.; Collicott, C.; Costanza, S.; Downie, E. J.; Dieterle, M.; Ferretti Bondy, M. I.; Fil'kov, L. V.; Garni, S.; Glazier, D. I.; Glowa, D.; Gradl, W.; Gurevich, G.; Hornidge,D.; Huber, G. M.; Kaeser, A.; Kashevarov, V. L.; Keshelashvili, I.; Kondratiev, R.; Korolija, M.; Krusche, B.; Lazarev, A.; Linturi, James M.; Lisin, V.; Livingston, K.; MacGregor, I. J.; Manley, D. M.; Martel, P. P.; Middleton, D. G.; Miskimen, R.; Mushkarenkov, A.; Neganov, A.; Neiser, A.; Oberle, M.; Ostrick, M.; Ott, P.; Otte, P. B.; Oussena, B.; Pedroni, P.; Polonski, A.; Prakhov, S.; Ron, G.; Rostomyan, T.; Sarty, A.; Schott, D. M.; Schumann, S.; Sokhoyan, V.; Steffen, O.; Strakovsky, I. I.; Strub, Th.; Supek, I.; Thiel, M.; Thomas, A.; Unverzagt, M.; Usov, Yu.A.; Wagner, S.; Watts, D. P.; Wettig, J.; Werthmüller, D.; Witthauer, L.; Wolfes, M. (IOP Publishing, 2015-04)
    We report on a measurement of the neutron detection efficiency in NaI crystals in the Crystal Ball detector obtained from a study of single π0 photoproduction on deuterium using the tagged photon beam at the Mainz Microtron. ...
  • A new stilbene glycoside from Elephantorrhiza goetzei. 
    Wanjala, Cornelius C.; Majinda, Runner R. T. (Elsevier, 2001-08)
    A new stilbene glycoside, 5-methoxy-(E)-resveratrol 3-O-rutinoside (1) was isolated from the root bark of Elephantorrhiza goetzei, along with known compounds, namely gallic acid, (E)-resveratrol, (±)-catechin, (±)-gallocatechin ...
  • New Zealand dairy farm effluent, irrigation and soil biota management for sustainability: Farmer priorities and monitoring 
    Manono, Bonface O. (Cogent OA, 2016-08)
    Agricultural science has produced compelling data to show that soil biota may be exploited to increase agricultural efficiency. However, field application is entirely dependent on farmers’ knowledge. This study assessed ...

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