• Green isolation of cellulosic materials from recycled pulp and paper sludge: a Box-Behnken design optimization 

  Evans K. Suter , Hilary L. Rutto , Tumisang S. Seodigeng , Sammy L. Kiambia , nd Wesley N. Omwoyo (2024)

  Cellulose was isolated from recycled pulp and paper sludge and used to synthesize cellulose nanocrystals. Response surface methodology and Box-Behnken design model were used to predict, improve, and optimize the cellulose ...
• Stabilized Bare Superparamagnetic Iron Oxide Nanoparticles: Synthesis and Characterization 

  E.K. Suter, H.L. Rutto, W.N. Omwoyo, Musamba Banza, (2023)

  Iron is a ubiquitous element found on Earth's crust, existing in various forms, such as Magnetite (Fe3O4) and Hematite (α-Fe2O3). Magnetic iron oxide nanoparticles (MIONPs) have become increasingly popular because they ...
• In situ capping of silver nanoparticles with cellulosic matrices from wheat straws in enhancing their antimicrobial activity: Synthesis and characterization 

  Shappo Tloua , Evans Suterb , Mitem Alfred , Hilary Rutto , and Wesley Omwoyo (2023)

  Silver nanoparticles have gained worldwide attention in the scientific community due to their high antimicrobial activity. However, they tend to agglomerate and lose their shape and properties, thus capping agents necessary ...
• Recycled pulp and paper sludge, potential source of cellulose: feasibility assessment and characterization 

  E. K. Suter, H. L. Rutto, T. S. Seodigeng, S. L. Kiambi & W. N. Omwoyo (2024)

  The pulp and paper industry stands out as an example of a technology based on a renewable resource, cellulose. The sludge, however, poses major environmental and public health problems. To effectively manage the sludge ...
• Modeling Dependence using Copula Garch 

  Floriane Nsabimana , Hellen Waititu and Cornelious Nyakundi (2023)

  This study sought to investigate the tail dependence between government debt and bank’s nonperforming loans. The objectives of this study were formulation of a bivariate copula model which captures the dependence between ...
• DETERMINING THE UNBIASED ESTIMATOR OF THE POPULATION GEOMETRIC MEASURES OF VARIATION ABOUT THE MEAN 

  Troon John Benedict , Obere Almadi , Karanjah Anthony , Alilah Anekeya David (2021)

  Geometric Measures of Variation about the mean is a measure that uses the geometric averaging technique to average the deviations from the mean. From previous studies, it has been determined that the measure is more ...
• Sa¨rndal Approach and Separate Type Quantile Robust Regression Type Mean Estimators for Nonsensitive and Sensitive Variables in Stratified Random Sampling 

  Usman Shahzad , Ishfaq Ahmad, Nadia H. Al-Noor , Soofa Iftikhar, A. H. Abd Ellah, and Troon J. Benedict (2022)

  Surprising perceptions may happen in survey sampling. Te arithmetic mean estimator is touchy to extremely enormous or potentially small observations, whenever selected in a sample. It can give one-sided (biased) results ...
• Repairing Event Logs to Enhance the Performance of a Process Mining Model 

  Shabnam Shahzadi, 1 Xianwen Fang, Usman Shahzad , Ishfaq Ahmad, and Troon Benedict (2022)

  Organizations and companies are starving to improve their business processes to stay in competition. As we know that process mining is a young and emerging study that lasts among data mining and machine learning. e main ...
• Properties and Construction Method for Symmetric Balanced Incomplete Block Design with λ=1 

  Troon John Benedict , Onyango Fredrick , Karanjah Anthony (2023)

  Symmetric Balanced Incomplete Block Designs with λ=1 is a common class of BIBDs which are mostly used in incomplete experimental block design set up because of their simplicity in set up and also in analysis. Over the ...
• Outlier Detection Technique for Univariate Normal Datasets 

  Ooko Silas Owuor , Troon John Benedict , Otieno Okumu Kevin (2022)

  This paper presents an outlier detection technique for univariate normal datasets. Outliers are observations that lips an abnormal distance from the mean. Outlier detection is a useful technique in such areas as fraud ...
• Fitting Wind Speed to a 3-Parameter Distribution Using Maximum Likelihood Technique 

  Okumu Otieno Kevin, Troon John Benedict, Samuel Muthiga Ngaga (2021)

  : Kenya is one of the countries in the world with a good quantity of wind. This makes the country to work on technologies that can help in harnessing the wind with a vision of achieving a total capacity of 2GW of wind ...
• Estimating Average Variation About the Population Mean Using Geometric Measure of Variation 

  Troon John Benedict , Karanjah Anthony , Alilah Anekeya David (2020)

  Measures of dispersion are important statistical tool used to illustrate the distribution of datasets. These measures have allowed researchers to define the distribution of various datasets especially the measures of ...
• Determinants of Estimate Difference between Geometric Measure and Standard Deviation 

  Rukia Mbaita Mbaji , Troon John Benedict and Okumu Otieno Kevin (2023)

  Measures of variation are statistical measures which assist in describing the distribution of data set. These measures are either used separately or together to give a wide variety of ways of measuring variability of data. ...
• Construction of Non-Symmetric Balanced Incomplete Block Design through Combination of Symmetric Disjoint Balanced Incomplete Block Designs 

  Troon John Benedict, Onyango Fredrick, Karanjah Anthony, Njuguna Edward (2023)

  The existence of several non-symmetric balanced incomplete block designs (BIBDs) is still unknown. This is because the non-existence property for nonsymmetric BIBDs is still not known and also the existing construction ...
• Calibration Approach for Variance Estimation of Small Domain 

  Ashutosh Ashutosh , Usman Shahzad , Ishfaq Ahmad, Muhammad Ahmad Raza, and Troon J. Benedict (2022)
• On Skew Quasi-P-Class (Q) Operators 

  Wanjala Victor1, John Wanyonyi Matuya , Edward Njuguna , Vincent Marani (2023)

  Skew quasi-p-class (Q) operator is introduced. We show that this class satisfies Bishop’s property. We equally show that this class is isoloid and polaroid. Results linking this class to other classes such as class (Q) ...
• Guild Vertical Stratification and Drivers of Bat Foraging in a Semi-Arid Tropical Region, Kenya 

  Ana Rainho Diogo F. Ferreira, Beryl Makori , Michael Bartonjo , Miguel Repas-Gonçalves , Stanley Kirakou , Florah Maghuwa , Paul W. Webala and Ricardo Tomé (2023)

  Africa faces significant challenges in reconciling economic and social development while preserving its natural resources. Little is known about the diverse bat community on the continent, particularly in drier ecosystems. ...
• Seasonal variation in pesticide residue occurrences in surface waters found in Narok and Bomet Counties, Kenya 

  Bakari Chaka · Aloys M. Osano · Omwoyo N. Wesley · Patricia B. C. Forbes (2023)

  Narok and Bomet are agricultural counties in Kenya which depend on flowing surface waters for farming activities. Agrochemicals have frequently been used to increase agricultural produce in this region. Occasionally, ...
• A facile one-pot synthesis of Ag2Te nanoparticles and the fabrication of nanocomposites for the removal of chromium (VI) in wastewater 

  O. Sentse a , T. Xaba , N.D. Shooto , V.E Pakade , W. Omwoyo (2023)

  The sol–gel method has been used successfully for the preparation of crystalline PVA-Ag2Te nanoparticles at room temperature using water as a solvent, PVA as a capping agent, sodium borohydride as a reducing agent, telerium, ...
• Rejuvenating Kenyan Academic Library Services in the post-COVID-19 era 

  Rahab Koech , Nancy Kimile (2023)

  Academic libraries in Kenya have invested heavily in subscribing to electronic resources through the Kenya Library Information Services Consortium (KLISC), an attempt has been made to install relevant technological ...

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