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Browsing Department of Information & Library Sciences by Issue Date

Browsing Department of Information & Library Sciences by Issue Date

Now showing items 21-40 of 103

Obstacles to utilization of information held by archival institutions

Kemoni, Henry N.; Kiplang'at, Joseph; Wamukoya, Justus (Emerald Group Publishing Limited, 2003)

The paper reviews literature on the obstacles that hinder the use of information held in archival institutions. First, it highlights the importance of records and archives as sources of information. Second, the paper ...
Women librarians in Kenya: a study of their status and occupational characteristics

Kiplang'at, Joseph; Majanja, Mabel (Emerald Group Publishing Limited, 2003)

This study investigated the current status and occupational characteristics of women librarians in Kenya. The study’s objectives were to: compare their status to that of their male counterparts; establish their career ...
Removal of Cu(II) from Aqueous Solution Using a Micaceous Mineral of Kenyan Origin

Attahiru, Stephen; Shiundu, Paul M; Onyari, John; Mathu, Eliud (2003)

A micaceous mineral (MicaM) available locally in Kenya was utilized as an inexpensive and effective adsorbent for the removal of Cu2+ ions from aqueous solution. The effects of contact time, pH, temperature, adsorbate and ...
Retention behavior of metal particle dispersions in aqueous and nonaqueous carriers in thermal field-flow fractionation

Shiundu, Paul M; Munguti, Stephen M; Ratanathanawongs, S.Kim Williams (Elsevier, 2003)

Until quite recently, theories on thermophoresis of particles predicted very low thermophoretic velocities of metal particles in liquids. This prediction was based on the understanding that the very high thermal conductivities ...
Magnitude and direction of thermal diffusion of colloidal particles measured by thermal field-flow fractionation

Shiundu, Paul M; Williams, P.Stephen; Giddings, J.Calvin (Elsevier, 2003)

In this paper we provide experimental evidence showing that various types of submicrometer-sized particles (latexes, inorganic, and metallic), suspended in either aqueous or nonaqueous carrier liquids to which a temperature ...
Diffusion of Information and Communication Technologies in communication of agricultural information among agricultural researchers and extension workers in Kenya

Kiplang’at, Joseph (South African Journal of Library and Information Science, 2005)

The paper reports on the findings of a study that investigated the diffusion of Information and Communication Technologies (ICTs) in communication of agricultural information among agricultural researchers and extension ...
The diffusion of innovations theory as a theoretical framework in library and information science research

Kiplang’at, Joseph; Minishi, Majanja, Mabel K. (South African Journal of Library and Information Science, until Vol 67, Issue 2, 2005)

This paper discusses the appropriateness of Diffusion of Innovations (DoI) Theory as a platform for explaining aspects of information and communication technology (ICT) innovation adoption process in the field of Library ...
Essentiality of a Newly Identified Carbohydrate-Binding Module for the Function of CelB (BH0603) from the Alkaliphilic Bacterium Bacillus halodurans▿

Wamalwa, Benson Munyali; Sakka, Makiko; Shiundu, Paul M; Ohmiya, Kunio; Kimura, Tetsuya; Sakka, Kazuo (2006)

CelB (BH0603) from Bacillus halodurans is a modular glycoside hydrolase with a family 5 catalytic module, an immunoglobulin-like module, and module PfamB of unknown function. The recombinant PfamB module bound to Avicel ...
Microbiology & Fermentation Technology-High-Level Heterologous Expression of Bacillus halodurans Putative Xylanase Xyn11A (BH0899) in Kluyveromyces lactis.

Wamalwa, Benson Munyali; Zhao, Guangshan; Sakka, Makiko; Shiundu, Paul M; Kimura, Tetsuya; Sakka., Kazuo (2007)
Optical Immunosensor and ELISA for the Analysis of Pyrethroids and DDT in Environmental Samples

Kramer, Petra M; Weber, Cristina M; Kremmer, Elisabeth; Rauber, Christina; Martens, Dieter; Forster, Stephan; Stanker, Larry H; Rauch, Peter; Shiundu, Paul M; Mulaa, Francis J (2007)

An optical immunosensor (AQUA-OPTOSENSOR) and ELISA (enzyme-linked immunosorbent assay) for the analysis of pyrethroids and DDT in river water and/or sediment, are described. The optical immunosensor consists of a bench-top ...
Optical Immunosensor and ELISA for the Analysis of Pyrethroids and DDT in Environmental Samples

Krämer, Petra M; Weber, Cristina M; Kremmer, Elisabeth; Räuber, Christina; Martens, Dieter; Forster, Stephan; Stanker, Larry H; Rauch, Peter; Shiundu, Paul M; Mulaa, Francis J (American Chemical Society, 2007)

An optical immunosensor (AQUA-OPTOSENSOR) and ELISA (enzyme-linked immunosorbent assay) for the analysis of pyrethroids and DDT in river water and/or sediment, are described. The optical immunosensor consists of a bench-top ...
High-level heterologous expression of Bacillus halodurans putative xylanase xyn11a (BH0899) in Kluyveromyces lactis

Wamalwa, Benson Munyali; Zhao, Guangshan; Sakka, Makiko; Shiundu, Paul M; Kimura, Tetsuya; Sakka, Kazuo (2007)

The putative xyn11A structural gene (BH0899) encoding a family-11 xylanase from alkaliphilic Bacillus halodurans strain C-125 was heterologously expressed in the yeast Kluyveromyces lactis CBS 1065 and secreted to a level ...
Biodegradability of Poly (lactic acid), Preparation and Characterization of PLA/Gum Arabic Blends

Onyari, John M; Mulaa, Francis; Muia, Joshua; Shiundu, Paul (2008)

In this study, the biodegradation of PLA films using microorganisms from Lake Bogoria (Kenya) were investigated. The biodegradation tests done using certain strains of thermophilic bacteria showed faster biodegradation ...
Information ethics as a global Issue/north/south

Kibugi, Sarah (2009)

In order to appreciate the implications of information ethics as aglobal issue and specifically reflecting the North/and South, we needfirst to look at the Universal Declaration of Human Rights Article 19Everyone has the ...
Release kinetics of a synthetic tsetse allomone derived from waterbuck odour from a tygon silicon dispenser under laboratory and semi field conditions.

Shem, P. M; Shiundu, P.M; Gikonyo, N K; Ali, A.H; Saini, R.K (2009)

The tsetse allomone consisted of pentanoic, hexanoic and heptanoic acids, guaiacol, geranylacetone, 2-undecanone and -octalactone. These compounds were dispensed singly or as a blend from dispensers with 6.028 cm2 diffusion ...
Effect of heavy metal pollution on microalgae richness and diversity in Lake Victoria

Mwita, CJ; Nguu, EK; Wasonga, CO; Shiundu, P.M (2009)
Kinetics of copper desorption from regenerated spent bleaching earth

Wambu, EW; Muthakia, GK; Shiundu, PM (2009)

Recent studies have shown that spent bleaching earth (SBE) , a clayey waste from edible oil refineries, could be used to remove Cu from aqueous solutions. Th is could result in copper-laden material whose continual disposal ...
Regeneration of spent bleaching earth and its adsorption of copper (II) ions from aqueous solutions

Wambua, Enos W; Muthakia, Gerald K; Shiundu, Paul M; wa-Thiong'o, Joseph K (2009)

This study was designed to provide a comprehensive investigation into heat and acid reactivation of spent bleaching earth (SBE) and adsorption of Cu(II) ions from aqueous solutions. Heat treatment was the master variable ...
Kinetics and thermodynamics of aqueous Cu(II) adsorption on heat regenerated spent bleaching earth

Wambu, Enos W; Muthakia, Gerald K; wa-Thiong’o, Joseph K; Shiundu, Paul M (2011)

This study investigated the kinetics and thermodynamics of copper(II) removal from aqueous solutions using spent bleaching earth (SBE). The spent bleaching earth, a waste material from edible oil processing industries, was ...
Biosorption of Malachite Green from Aqueous Solutions onto Polylactide/Spent Brewery Grains Films: Kinetic and Equilibrium Studies

Chanzu, Harry Amuguni; Onyari, John Mmari; Shiundu, Paul M (2012)

Batch experiments were conducted to study the biosorption of Malachite Green (MG) onto polylactide (PLA)/spent brewery grains (SBGs) films. Films were prepared by solvent-casting method using dichloromethane. Effects of ...

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