University of Botswana Research, Innovation and Scholarship Archive: Recent submissions
Now showing items 1101-1120 of 2188
-
Are anatomical sciences adequately represented in the problems-based learning clinical cases?
(ScopeMed Journal Management System, http://www.scopemed.org, 2015-02)Problem-based learning (PBL) is a relatively new teaching method, which was introduced in medical education as an alternative to the traditional method of teaching. One of the major advantages of the PBL method was that, ... -
Does the traditional teaching component of the hybrid curriculum improve the PBL component, in the teaching of anatomy?
(ScopeMed Journal Management System, 2015-04-28)Problem-based learning (PBL) is a relatively new teaching method, which was introduced in many medical schools as an alternative to the traditional method of teaching. At the beginning, the PBL method quickly gained ... -
An in-vivo analysis of the protective effect of the methanol extract of ocimumbasilicum (L.)(MAEOB) on ethanol-induced oxidative stress in albino rats.
(Integrated Journal of British, 2015-09-09)This study was conducted to evaluate the protective effects of graded doses of methanol and aqueousextract of Ocimumbasilicum(L.)(MAEOB) onthe oxidative stress induced by ethanol toxicity. Forty male albino rats of Wister ... -
Virtualizing the p-ANAPL library: A step towards drug discovery from African medicinal plants
(Public Library of Science, http://www.plosone.org/, 2014)Background: Natural products play a key role in drug discovery programs, both serving as drugs and as templates for the synthesis of drugs, even though the quantities and availabilities of samples for screening are often ... -
Transpiration in various riparian woodland species of the Okavango Delta, Botswana
(2015-12-08)In arid and semi-arid areas, evapotranspiration (ET) by phreatophytes is a principal groundwater sink and a significant component of wetland water budgets. Understanding and accurately quantifying ET is necessary for water ... -
The susceptibility of different maize varieties to post-harvest infestation by Sitophilus zeamais (MOTSCH) (Coleoptera: Cuculionidae)
(Academic Journals, http://www.academicjournals.org/SRE, 2010-01)Nine maize varieties collected at IITA were investigated for their relative susceptibilities to attack by Sitophilus zeamais MOTSCH, an important insect pest of stored maize. The results obtained were summarized using ... -
Screening of the pan-African Natural Product Library identifies ixoratannin A-2 and boldine as novel HIV-1 inhibitors
(Public Library of Science, http://www.plosone.org/, 2015)The continued burden of HIV in resource-limited regions such as parts of sub-Saharan Africa, combined with adverse effects and potential risks of resistance to existing antiretroviral therapies, emphasize the need to ... -
Free radical scavenging and antioxidant properties of a truffle, Kalaharituber pfeilii found in Kalahari deserts of Botswana
(Int.J.Bioassays, http://www.ijbio.com/index.php/ijb, 2015)Natural anti-oxidants are the good source for scavenging excess of free radicals generated in the body after oxidative stress. The present study is aimed at in vitro evaluation of free radical scavenging potentials of two ... -
Effect of different grain spawns and substrate sterilization methods on yield of oyster mushroom in Botswana
(Int.J.Bioassays, http://www.ijbio.com, 2013)The effect of three different grain spawns and two substrate sterilization methods on the spawn quality and yield of a hybrid of Pleurotus ostreatus x P. florida (Po x Pf) was studied on maize cobs supplemented with 20% ... -
Fungi associated with seeds of two varieties of spinach beet and their possible control in vitro by fungicide treatment
(Int.J.Bioassays, http://www.ijbio.com, 2015)Seeds of Two spinach beet varieties namely; Fordhook giant and Lucullus obtained from commercial markets around Gaborone were used for detection of seed-borne fungi and their possible control in vitro by fungicide. Four ... -
Geo (λ)/ Geo (μ) +G/2 queues with heterogeneous servers operating under FCFS queue discipline
(Science and Education Publishing, http://www.sciepub.com, 2015-03-06)Please refer to the full text article for the abstract. -
Viral diversity and diversification of major non-structural genes vif, vpr, vpu, tat exon 1 and rev exon 1 during primary HIV-1 subtype C infection
(Public Library of Science, http://www.plosone.org/, 2012)To assess the level of intra-patient diversity and evolution of HIV-1C non-structural genes in primary infection, viral quasispecies obtained by single genome amplification (SGA) at multiple sampling timepoints up to 500 ... -
Biogenic amine producing bacteria associated with three different commercially fermented beverages in Botswana
(Academic Journals, http://www.academicjournals.org/AJMR, 2013)The microbial quality and predominant bacterial groups of three fermented beverages was investigated. The bacteria associated with sorghum beer, sour milk (madila/amasi) and sour maize beverage (mageu/mahewu) were ... -
tat Exon 1 exhibits functional diversity during HIV-1 subtype C primary infection
(American Society for Microbiology, http://jvi.asm.org/, 2013)Human immunodeficiency virus type 1 (HIV-1) Tat is a mediator of viral transcription and is involved in the control of virus replication. However, associations between HIV-1 Tat diversity and functional effects during ... -
Conflict resolution and management between local fishers and tour operators in the Okavango Delta's panhandle, Botswana
(Scientific Research Publishing, http://www.scirp.org/, 2015-04-22)Conflicts among different fisher groups are a global concern, and the Okavango Delta fishery is no exception, which is composed of commercial, subsistence and recreational fishers. Possibly due to conflicting value/use ... -
The genetic prehistory of southern Africa
(Macmillan Publishers Limited, http://www.nature.com/ncomms/index.html, 2012)Southern and eastern African populations that speak non-Bantu languages with click consonants are known to harbour some of the most ancient genetic lineages in humans, but their relationships are poorly understood. Here, ... -
Short and long term strategies for household water insecurity in Ngamiland, Botswana
(Canadian Center for Science and Education, http://www.ccsenet.org, 2014-05-16)The paper analyses coping (short-term) and adaptation (long-term) strategies by households to address water insecurity in Ngamiland, Botswana, a middle income and semi-arid country. Quantitative (i.e. structured household ... -
A multivariate test for three-factor Interaction in 3 - way contingency table under the multiplicative model
(Scientific Research Publishing Inc, 2014-06-16)Abstract Two test statistics that have been commonly used in analysing interactions in contingency table are the Pearson’s Chi-square statistic, χ2, and likelihood ratio test statistic, G2. Both test statistics, in tables ... -
Evaluation of maize yield in flood recession farming in the Okavango Delta, Botswana
(Academic Jornals, http://www.academicjournals.org, 2015-04-09)Flood recession farming locally known as molapo farming in the Okavango Delta is practiced along the edges of the river channels or seasonally flooded depressions on its fringes. It relies on residual moisture and natural ... -
Stand structure, diversity and regeneration status of woody species in open and exclosed dry woodland sites around Molapo farming areas of the Okavango Delta, northeastern Botswana
(Scientific Research Publishing, www.scirp.org/journal/ojf, 2015-03-20)Stand structure, diversity and regeneration status of woody species were investigated in open and exclosed dry woodland sites in Island Safari, Shorobe and Xobe, northeastern Botswana. A total of 105, 111 and 130 quadrats, ...