Browsing School of Science and Computing (JA) by Title

Browsing School of Science and Computing (JA) by Title

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  • Maximal activation weighted memory for aspect based sentiment analysis 
    Mokhosi, Refuoe; Shikali, Casper S.; Qin, Zhiguang; Liu, Qiao (Elsevier, 2022-11)
    The vast diffusion of social networks has made an unprecedented amount of user-generated data available, increasing the importance of Aspect Based Sentiment Analysis(ABSA) when extracting sentiment polarity. Although recent ...
  • Measurement of pozzolanic activity index of scoria, pumice, and rice husk ash as potential supplementary cementitious materials for portland cement 
    Mboya, Hieronimi A.; King’ondu, Cecil K.; Njau, Karoli N.; Mrema, Alex L. (Hindawi Publishing Corporation, 2017-08)
    This work investigated the properties of scoria and pumice as supplementary cementitious materials (SCMs) for Portland cement and compared to those of rice husk ash (RHA). X-ray fluorescence, X-ray diffraction, and pozzolanic ...
  • Measurement of the ω → π 0 e + e − and η → e + e − γ Dalitz decays with the A2 setup at the Mainz Microtron 
    Adlarson, P.; Afzal, F.; Aguar-Bartolome, P.; Ahmed, Z.; Annand, J. R. M.; Arends, H. J.; Bantawa, K.; Beck, R. (American Physical Society, 2017-03-22)
    The Dalitz decays η → e+e−γ andω → π0e+e− have been measured in the γp → ηp and γp → ωp reactions, respectively, with the A2 tagged-photon facility at the Mainz Microtron. The value obtained for the slope parameter of ...
  • Measurement of the decay η0 → π0π0η at MAMI 
    Adlarson, P.; Afzal, F.; Ahmed, Z.; Akondi, C. S.; Annand, J. R. M.; Arends, H. J.; Beck, R.; Borisov, N.; Braghieri, A.; Briscoe, W. J.; Cividini, F.; Collicott, C.; Costanza, S.; Denig, A.; Downie, E. J.; Dieterle, M.; Ferretti Bondy, M. I.; Gardner, S.; Garni, S.; Glazier, D. I.; Glowa, D.; Gradl, W.; Gurevich, G. .; Hamilton, D. J.; Hornidge, D.; Huber, G. M.; Käser, A.; Kashevarov, V. L.; Kay, S; Keshelashvili, I.; Kondratiev, R.; Korolija, M. .; Krusche, B.; Lazarev, A; Linturi, James M.; Livingston, K.; Macgregor, I. J.D.; Manley, D. M.; Martel, P. P.; McGeorge, J. C.; Middleton, D. G.; Miskimen, R.; Mushkarenkov, A.; Neganov, A.; Neiser, A.; Oberle, M.; Ostrick, M.; Ott, P.; Otte, P. B.; Oussena, B.; Paudyal, D.; Pedroni, P.; Polonski, A.; Prakhov, S.; Rajabi, A.; Ron, G.; Rostomyan, T.; Sarty, A.; Sfienti, C.; Sokhoyan, V.; Spieker, K.; ; Steffen, O.; Strakovsky, I. I.; Strub, T.; Supek, I.; Thiel, A.; Thiel, M.; Tiator, L.; Thomas, A.; Unverzagt, M.; Usov, Y. A.; Wagner, S.; Watts, D. P.; Werthmüller, D.; Wettig, J.; Witthauer, L.; Wolfes, M.; Workman, R. L.; Zana, L. A. (American Physical Society, 2018)
    An experimental study of the η0 → π0π0η → 6γ decay has been conducted with the best up-to-date statistical accuracy, by measuring η0 mesons produced in the γp → η0 p reaction with the A2 tagged-photon facility at the ...
  • Measurement of the omega -> pi^0 e^+e^- and eta -> e^+e^-g Dalitz decays with the A2 setup at MAMI 
    Adlarson, P.; Afzal, F.; Afzal, F.; Aguar-Bartolomé, P.; Ahmed, Z.; Annand, J. R.; Arends, H. J.; Bantawa, K.; Beck, R.; Berghäuser, H.; Biroth, M.; Borisov, N. S.; Braghieri, A.; Briscoe, W. J.; Cherepnya, S.; Cividini, F.; Collicott, C.; Costanza, S.; Danilkin, I. V.; Denig, A.; Dieterle, M.; Downie, E. J.; Drexler, P.; Ferretti Bondy, M. I.; Fil'kov, L. V.; Fil'kov, L. V.; Gardner, S.; Garni, S.; Glazier, D. I.; Glowa, D.; Gradl, W.; Gurevich, G. M.; Hamilton, D. J.; Hornidge, D.; Huber, G. M.; Jude, T. C.; Käser, A.; Kashevarov, V. L.; Kay, S.; Keshelashvili, I.; Kondratiev, R.; Korolija, M.; Krusche, B.; Lazarev,, A.; Linturi, James M.; Lisin, V.; Livingston, K.; MacGregor, I. J.; Macrae, R.; Manley, D. M.; Martel, P. P.; McGeorge, J. C.; McNicoll, E. F.; Metag, V.; Middleton, D. G.; Miskimen, R.; Mornacchi, E.; Mullen, C.; Mushkarenkov, A.; Neganov, A.; Neiser, A.; Nikolaev, A.; Oberle, M.; Ostrick, M.; Ott, P.; Otte, P. B.; Paudyal, D.; Pedroni, P.; Polonski, A.; Prakhov, S.; Rajabi, A.; Robinson, J.; Ron, G.; Rosner, G.; Rostomyan, T.; Sfienti, C.; Sikora, M. H.; Sokhoyan, V.; Spieker, K.; Steffen, O.; Strakovsky, I. I.; Strandberg, B.; Strub, Th.; Supek, I.; Thiel, A.; Thiel, M.; ; Thomas, A.; Unverzagt, M.; Usov, Yu. A.; Wagner, S.; Walford, N.; Watts, D. P.; Werthmüller, D.; Wettig, J.; Witthauer, L.; Wolfes, M.; Zana, L. A. (2017)
    The Dalitz decays η→e+e−γ and ω→π0e+e− have been measured in the γp→ηp and γp→ωp reactions, respectively, with the A2 tagged-photon facility at the Mainz Microtron. The value obtained for the slope parameter of the ...
  • Measurement of the π 0 → e +e −γ Dalitz decay at the Mainz Microtron 
    Adlarson, P.; Afzal, F.; Aguar-Bartolom´, P.; Ahmed, Z.; Akondi, C. S.; Annand, J. R. M.; Arends, H. J.; Bantawa, K.; Beck, R.; Berghauser, H.; Biroth, M.; Borisov, N. S.; Braghieri, A.; Briscoe, W. J.; Cherepnya, S.; Cividini, F.; Collicott, C.; Costanza, S.; Denig, A.; Dieterle, M.; Downie, E. J.; Drexler, P.; Ferretti Bondy, M. I.; Fil’kov, L. V.; Gardner, S.; Garni, S.; Glazier, D. I.; Glowa, D.; Gradl, W.; Gurevich, G. M.; Hamilton, D. J.; Hornidge, D.; Huber, G. M.; Jude, T. C.; Kaser, A.; Kashevarov, V. L.; Kay, S.; Keshelashvili, I.; Kondratiev, R.; Korolija, M.; Krusche, B.; Kulikov, V. V.; Lazarev, A.; Linturi, James M.; Lisin, V.; Livingston, K.; MacGregor, I. J. D.; Macrae, R.; Manley, D. M.; Martel, P. P.; Martemianov, M.; McGeorge, J. C.; McNicoll, E. F.; Metag, V.; Middleton, D. G.; Miskimen, R.; Mornacchi, E.; Mullen, C.; Mushkarenkov, A.; Neganov, A.; Neiser, A.; Nikolaev, A.; Oberle, M.; Ostrick, M.; Ott, P.; Otte, P. B.; Paudyal, D.; Pedroni, P.; Polonski, A.; Prakhov, S. (American Physical Society, 2017-02-07)
    The Dalitz decay π 0 → e +e −γ has been measured in the γp → π 0 p reaction with the A2 taggedphoton facility at the Mainz Microtron, MAMI. The value obtained for the slope parameter of the π 0 electromagnetic transition ...
  • Measurement of the ω→π0e+e− and η→e+e−γ Dalitz decays with the A2 setup at MAMI 
    Adlarson, P.; Afzal, F.; Aguar-Bartolomé, P.; Ahmed, Z.; Annand, J. R.; Arends, H. J.; Bantawa, K.; Beck, R.; Berghäuser, H.; Biroth, M.; Borisov, N. S.; Braghieri, A.; Briscoe, W. J.; Cherepnya, S.; Cividini, F.; Collicott, C.; Costanza, S.; I. V. Danilkin,; Danilkin, I. V.; Denig, A.; Dieterle, M.; Downie, E. J.; Drexler, P.; Ferretti Bondy, M. I.; Fil'kov, L. V.; Gardner, S.; Garni, S.; Glazier, D. I.; Glowa, D.; Gradl, W.; Gurevich, G. M.; Hamilton, D. J.; Hornidge, D.; Huber, G. M.; Jude, T. C.; Käser, A.; ; Kashevarov, V. L.; Kay, S.; Keshelashvili, I.; Kondratiev, R.; Korolija, M.; Krusche, B.; Lazarev, A.; Linturi, James M.; Lisin, V.; Livingston, K.; MacGregor, I. J.; Macrae, R.; Manley, D. M.; Martel, P. P.; McGeorge, J. C.; McNicoll, E. F.; Metag, V.; Middleton, D. G.; Miskimen, R.; Mornacchi, E.; Mullen, C.; Mushkarenkov, A. (2017)
    The Dalitz decays η→e+e−γ and ω→π0e+e− have been measured in the γp→ηp and γp→ωp reactions, respectively, with the A2 tagged-photon facility at the Mainz Microtron. The value obtained for the slope parameter of the ...
  • Measurement of π 0 photoproduction on the proton at MAMI C 
    Adlarson, P.; Afzal, F.; Akondi, C. S.; Annand, J. R. M.; Arends, H. J.; Azimov, Ya. I.; Beck, R.; Borisov, N.; Braghieri, A.; Briscoe, W. J.; Cherepnya, S.; Cividini, F.; Collicott, C.; Costanza, S.; Denig, A.; Downie, E. J.; Dieterle, M.; Ferretti Bondy, M. I.; Fil'kov, L. V.; Fix, A.; Gardner, S.; Garni, S.; Glazier, D. I.; Glowa, D.; Gradl, W.; Gurevich, G.; Hamilton, D. J.; Hornidge, D.; Huber, G. M.; Käser, A.; Kashevarov, V. L.; Kay, S.; Keshelashvili, I.; Kondratiev, R.; Korolija, M.; Korolija, M.; Krusche, B.; Kulikov, V. V.; Lazarev, A.; Linturi, James M.; Lisin, V.; Livingston, K.; MacGregor, I. J.; Manley, D. M.; Martel, P. P.; Martemianov, M.; McGeorge, J. C.; Meyer, W.; Middleton, D. G.; Miskimen, R.; Mushkarenkov, A.; Neganov, A.; Neiser, A.; Oberle, M.; Ostrick, M.; Ott, P.; Otte, P. B.; Oussena, B.; Paudyal, D.; Pedroni, P.; Polonski, A.; Polyanski, V. V.; Prakhov, S.; Rajabi, A.; Reicherz, G.; Ron, G.; Rostomyan, T.; Sarty, A.; Schott, D. M.; Schumann, S.; Sfienti, C.; Sokhoyan, V.; Spieker, K.; Steffen, O.; Strakovsky, I. I.; Strub, Th.; Supek, I.; Taragin, M. F.; Thiel, A.; Thiel, M.; Tiator, L.; Thomas, A.; Unverzagt, M.; Usov, Yu. A.; Wagner, S.; Watts, D. P.; Werthmüller, D.; Wettig, J.; Witthauer, L.; Wolfes, M.; Workman, R. L.; Zana, L. A. (American Physical Society, 2015)
    Differential cross sections for the gamma p -> pi^0 p reaction have been measured with the A2 tagged-photon facilities at the Mainz Microtron, MAMI C, up to the center-of-mass energy W=1.9 GeV. The new results, obtained ...
  • Metagenomics survey unravels diversity of biogas microbiomes with potential to enhance productivity in Kenya 
    Muturi, Samuel M.; Muthui, Lucy W.; Njogu, Paul M.; Onguso, Justus M.; Wachira, Francis N.; Opiyo, Stephen O.; Pelle, Roger (Public Library of Science, 2021-01)
    The obstacle to optimal utilization of biogas technology is poor understanding of biogas microbiomes diversities over a wide geographical coverage. We performed random shotgun sequencing on twelve environmental samples. ...
  • Methylation analysis revealed salicylic acid affects pearl millet defense through external cytosine DNA demethylation 
    Ngom, Baba; Mamati, Edward; Goudiaby, Mame F.; Kimatu, Josphert N.; Sarr, Ibrahima; Diouf, Diaga; Kane, Ndjido A. (Taylor & Francis, 2018-05)
    The cytosine DNA methylation and demethylation have a role in regulating plant responses to the environment by affecting the promoter regions of most plant defense-related genes through the CpG islands or the CCGG motifs. ...
  • Methylation sensitive amplified polymorphism (MSAP) reveals that alkali stress triggers more DNA hypomethylation levels in cotton (Gossypium hirsutum L.) roots than salt stress 
    Kimatu, Josphert N.; Cao, Dong-hui; Gao, Xiang; Liu, Jie; Geng, Shu-juan; Wang, Xiao-ping; Zhao, Jing; Shi, De-cheng (Academic Journals, 2011-12-19)
    Cytosine-5 hypomethylation or hypermethylation have been shown to regulate plant development and abiotic stress-responsive genes expression. However, some combinatory stresses in plants like saline and alkaline could ...
  • Methylene blue inhibits lumefantrine-resistant Plasmodium berghei. 
    Mwangi, Victor I.; Mumo, Ruth M.; Kiboi, Daniel M.; Omar, Sabah A.; Ng'ang'a, Zipporah W.; Ozwara, Hastings S. (2016-06)
    Introduction: Chemotherapy still is the most effective way to control malaria, a major public health problem in sub-Saharan Africa. The large-scale use of the combination therapy artemether-lumefantrine for malaria treatment ...
  • Microsatellite analysis of the correlation between molecular and morphological traits in assorted maize inbred lines 
    Kimatu, Josphert N.; Karanja, J.; Amugune, N. O.; Ininda, J.; Danson, J. W. (2009)
    The success in identifying heterosis in hybrid maize (Zea mays L.) breeding depends on the availability of reliable genetic diversity among maize inbred lines. Conventional methods of breeding have been boosted by the ...
  • Microsatellite typing reveals strong genetic structure of Schistosoma mansoni from localities in Kenya 
    Muluvi, Geoffrey M.; Agola, L. E.; Mburu, D. N.; DeJong, R. J.; Mungai, B. N.; Njagi, E. N. M.; Loker, E. S.; Mkoji, G. M. (Elsevier, 2006-11)
    Genetic diversity and population structure of seven populations of Schistosoma mansoni sampled in Kenya were assessed using five microsatellite markers. The mean number of alleles per locus, expected heterozygosity in ...
  • Microwave-assisted hydrothermal synthesis of Cryptomelane-type octahedral molecular sieves (OMS-2) and their catalytic studies 
    King’ondu, Cecil K.; Huang, Hui; Sithambaram, Shanthakumar; Chen, Chun-Hu; Xu, Linping; Iyer, Aparna; Garces, Hector F.; Suib, Steven L. (2010)
    Manganese oxide octahedral molecular sieves (OMS) are important materials in environmental chemistry, electrochemistry, and heterogeneous catalysis. Here, a rapid process to prepare cryptomelane-type octahedral molecular ...
  • Microwave-assisted hydrothermal synthesis of α-MnO2: lattice expansion via rapid temperature ramping and framework substitution 
    King’ondu, Cecil K.; Pahalagedara, L. R.; Dharmarathna, S.; Pahalagedara, M. N.; Kuo, C. H.; Suib, S. L.; Meng, Y. T. (2014 Augus)
    Cobalt-doped cryptomelane-type manganese oxide (K-OMS-2) microwires have been successfully synthesized and characterized. Their catalytic activity was tested in an oxidation reaction with benzyl alcohol as the substrate, ...
  • Microwave-assisted synthesis of Manganese Oxide Octahedral Molecular Sieve (OMS-2) nanomaterials under continuous flow conditions 
    King’ondu, Cecil K.; Opembe, Naftali N.; Espinal, Anais E.; Chen, Chun-Hu; Nyutu, Edward K.; Crisostomo, Vincent M.; Suib, Steven L. (2010)
    A continuous flow microwave method has been developed for the synthesis of cryptomelane-type K-OMS-2 nanomaterials in a mixed aqueous−organic solvent system. The system is ideal for multikilogram synthesis of K-OMS-2 ...
  • Microwave-assisted synthesis of manganese oxide octahedral molecular sieves: Effects of flow rates, power delivery, and solvent system 
    King’ondu, Cecil K.; Opembe, N. N.; Suib, S. L. (2010-08)
  • Migration through host cells: the first steps of Plasmodium sporozoites in the mammalian host 
    Ng'ang'a, Zipporah W.; Omollo, Asito; Rodriguez, Ana (Wiley, 2004)
    Malaria starts with the infection of the liver by plasmodium sporozoites. This form ofthe parasite migrates through several host cells breaching their plasma membranes before infecting a final hepatocyte which they ...
  • Mineral Elements in the Kenyan Tea Seed Oil Cake 
    Njuguna, D. G.; Wanyoko, J. K.; Kinyanjui, T.; Wachira, Francis N. (2013-01)
    Studies were conducted on essential and toxic elements in the de-oiled tea seed oil cake in the Kenyan tea clones. They were analyzed for calcium, zinc, magnesium, copper, lead, cadmium and manganese by use of Atomic ...

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