Research Papers: Recent submissions

Now showing items 161-180 of 396

Investigating the thermal stability of the chemical vapour deposited zirconium carbide layers

Biira, Saphina; Thabethe, T.T.; Hlatshwayo, T.T.; Bissett, H.; Ntsoane, T.; Malherbe, J.B. (Busitema University ; Elsevier, 2020)

The effect of thermal treatment on zirconium carbide (ZrC) layers deposited by chemical vapour deposition process was investigated using X-ray diffraction (XRD), Raman spectroscopy, nanoindention and scanning electron ...
Thermophysical behavior of boron nitride and boron trioxide ceramics compounds with high energy electron fluence and swift heavy ion irradiated.

Mirzayev, Matlab N.; Popov, E.; Demir, E.; Abdurakhimov, B.A.; Mirzayeva, D.M.; Sukratov, V.A.; Mutali, A.K.; Tiep, V.N.; Biira, S.; Tashmetov, M. Yu; Olejniczak, K.; Kristavchuk, O. (Busitema University ; Elsevier, 2020-04-08)

We report differential scanning calorimetry (DSC) studies of boron nitride and boron trioxide compounds under different irradiation conditions. In the present work, boron nitride (h-BN) (purity of 99.8% and density of 2.29 ...
A Mathematical model approach for prevention and intervention measures of the COVID–19 pandemic in Uganda.

Mbabazi, Fulgensia Kamugisha; Gavamukulya, Yahaya; Awichi, Richard; Olupot–Olupot, Peter; Rwawire, Samson; Biira, Saphina; Luboobi, Livingstone S. (Busitema University, 2020-05)

The human–infecting corona virus disease (COVID–19) caused by the novel severe acute respiratory syndrome corona virus 2 (SARS–CoV–2) was declared a global pandemic on March 11th, 2020. Current human deaths due to the ...
Rare presentation of primary uterine teratoma with congenital unilateral renal agenesis :

Sanini, Sarah; Nteziyaremye, Julius (Busitema University ; ADR, 2021)

Introduction: Uterine teratomas are a rare occurrence in gynaecology. The presentation can be elusive due to non-specific signs and symptoms. Its coexistence with Congenital Unilateral Renal Agenesis (CURA) is extremely ...
Incidence and predictors of hospital readmission in children presenting with severe anaemia in Uganda and Malawi :

Connon, Roisin; George, Elizabeth C.; Olupot-Olupot, Peter; Kiguli, Sarah; Chagaluka, George; Alaroker, Florence; Opoka, Robert O.; Mpoya, Ayub (Busitema University ; BMC Public Health, 2021)

Background: Severe anaemia (haemoglobin < 6 g/dL) is a leading cause of recurrent hospitalisation in African children. We investigated predictors of readmission in children hospitalised with severe anaemia in the TRACT ...
Concentration levels of radon in mines, industries and dwellings in selected areas of Tororo and Busia districts, Eastern Uganda.

Biira, Saphina; Kisolo, Akisophel W.; D’ujanga, Florence Mutonyi (Busitema University ; Pelagia Research Library., 2014)

Concentration levels and effective exposure dose of radon were determined in mines, industries and dwellings in the Districts of Tororo and Busia, Eastern Uganda in 60 indoor structures between November 2010 and April 2011, ...
CVD growth of ZrC layers at different temperatures.

Alawad, BAB; Biira, Saphina; Bissett, H; Nel, J. T; Hlatshwayo, T. T; Crouse, P. L; Malherbe, J. B (Busitema University ; SciEP, 2016)

Zirconium carbide (ZrC) layers were grown on a graphite substrate by chemical vapour deposition (CVD) at 1250°C, 1300°C and 1350°C. Zirconium tetrachloride (ZrCl4), methane (CH4), hydrogen (H2) and argon (Ar) were used as ...
Female Physicists in Ugandan Universities

D’ujanga, Florence M.; Ssentongo, Grace Spencer; Ayugi, Gertrude; Akoba, Rashida; Biira, Saphina (Busitema University ; AIP publishing, 2015)

For a long time, only one public university in Uganda had a department of physics. Several women graduated from this department, but not many showed much interest in pursuing higher degrees in physics. Currently, there are ...
Effect of temperature and CH4/ZrCl4 molar ratio on ZrC layers deposited in a vertical-wall CVD system

Biira, Saphina; Alawad; Bissett, H; Nel, J. T; Hlatshwayo, T. T; Crouse, P. L; Malherbe, J. B (Busitema University ; SA Institute of Physics, 2016)

The synthesis of ZrC layers was performed in an in-house developed, vertical-wall chemical vapour deposition (CVD) system operating at atmospheric pressure. Zirconium tetrachloride and methane were used as zirconium and ...
Optimisation of the synthesis of ZrC coatings in a radio frequency induction-heating chemical vapour deposition system using response surface methodology.

Biira, Saphina; Crouse, PL; Bissett, H; Alawad, BAB; Hlatshwayo, T. T; Nel, J. T; Malherbe, J. B (Busitema University ; Elsevier, 2017-01-11)

A chemical vapour deposition process using radio frequency induction heating operating at atmospheric pressure was developed for the deposition of ZrC coatings. The precursors utilised in this process were zirconium ...
Influence of the substrate gas-inlet gap on the growth rate, morphology and microstructure of zirconium carbide films by chemical vapour deposition.

Biira, Saphina; Alawad, B.A.B.; Bissett, H.; Nel, J.T.; Ntsoane, T.P.; Hlatshwayo, T.T.; Crouse, P.L.; Malherbe, J.B. (Busitema University ; Elsevier, 2017)

The influence of the gap between the gas inlet and the substrate in an in-house developed thermal chemical vapour deposition (CVD) reactor, on the growth rate, surface morphology, phase composition and microstructure of ...
Analysis of solar radiation in Uganda :

Biira, Saphina; Kilama, George (Busitema University ; JCR, 2014-08-31)

Solar energy is an alternative to fossil fuels for more sustainable and reliable energy options; with a huge potential to meet many times the present world energy demand. Readily available solar radiation data is a key to ...
Analysis of the shift from knowledge based to competency based education among secondary school teachers in Uganda

Olema, D.K.; Nabitula, A.; Manyiraho, D.; Atibuni, D.Z. (Busitema University ; University of Johannesburg., 2021)

This paper analyzes the context of secondary school teachers’ continuous professional development as a key requirement of shifting from knowledge based to competency based education in Uganda. The shift is aimed at equipping ...
Enhancing innovative work behaviour in higher institutions of learning :

Namono, Rehema; Kemboi, Ambrose; Chepkwony, Joel (Busitema University ; Emerald Publishing Limited, 2021-03-04)

Purpose – Despite the current dynamism in the education sector that was manifested in new approaches to work that require innovative workforce, little empirical studies have been conducted on how to influence innovativeness ...
Traditional medicinal uses, phytoconstituents, bioactivities, and toxicities of erythrina abyssinica lam. ex DC. (Fabaceae ):

Obakiro, Samuel Baker; Kiprop, Ambrose; Kigondu, Elizabeth; K’Owino, Isaac; Odero, Mark Peter; Manyim, Scolastica; Omara, Timothy; Namukobe, Jane; Owor, Richard Oriko; Gavamukulya, Yahaya; Bunalema, Lydia (Busitema University ; Hindawi, 2021)

Background. Many studies have been undertaken on the medicinal values of Erythrina abyssinica Lam. ex DC. (Fabaceae). The details, however, are highly fragmented in different journals, libraries, and other publication ...
Appropriateness and affordability of prescriptions to diabetic patients attending a tertiary hospital in Eastern Uganda :

Obakiro, Samuel Baker; Kiyimba, Kenedy; Napyo, Agnes; Kanyike, Andrew Marvin; Mayoka, Wilberforce John; Nnassozi, Aishah Ggalabuzi; Aguti, Beatrice; Akech, Gabriel Madut; Waako, John Paul (Busitema University ; Plos One., 2021-01-05)

Irrational prescription of drugs can lead to high cost of treatment thus limiting access to essential medicines. We assessed the affordability and appropriateness of prescriptions written for diabetic patients in Eastern ...
Ethnobotany, ethnopharmacology, and phytochemistry of traditional medicinal plants used in the management of symptoms of tuberculosis in East Africa :

Obakiro, Samuel Baker; Kiprop, Ambrose; Kowino, Isaac; Kigondu, Elizabeth; Odero, Mark Peter; Omara, Timothy; Bunalema, Lydia (Busitema University ; BMC, 2020)

Objective: Many studies on the treatment of tuberculosis (TB) using herbal medicines have been undertaken in recent decades in East Africa. The details, however, are highly fragmented. The purpose of this study was to ...
Botanical control of pre and post-harvest crop pests in the Teso farming system.

Matovu, H.; Olila, D. (Busitema University., 2010)

The study was carried out within Soroti and Kumi district in Eastern Uganda in which agriculture is the main economic activity. Participatory methods were used for collecting informantion. Plant samples were collected and ...
Additive Main Effects and Multiplicative Interaction and Genotype Main Effect and Genotype by Environment Interaction Effects-Biplot Analysis of Sorghum Grain Yield in Uganda.

Andiku, Charles; Lubadde, John; Aru, Charles John; Ugen, Micheal Adrogu; Ebiyau, Johnie (Busitema University ; Canadian Center of Science and Education, 2020-05-15)

Genotype-by-environment interaction analysis is vital for cultivar release, and to identify suitable crop production sites. The current study aimed to determine sorghum grain yield stability and adaptability and to identify ...
Registration of ‘NAROSORG1 and NAROSORG3’ Sorghum Varieties with High Grain Yield and Superior Grain Qualities from Uganda.

Andiku, Charles; Lubadde, Geofrey; Aru, Charles John; Emanio, John; Ugen, Micheal Adrogu; Ebiyau, Johnie (2020-08-20)

Sorghum [Sorghum bicolor (L.) Moench] is the third most important cereals after maize and rice in Uganda. It is mainly grown by the resource-poor rural farmers in Uganda as a staple food, but this trend has changed recently ...

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