Browsing Research articles (Dept of Biological Sciences) by Title
Now showing items 21-40 of 78
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Effect of Momordica charantia on lipid profile and oral glucose tolerance in diabetic rats
(John Wiley & Sons, Ltd, http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)1099-1573, 2004)In this study, the methanol extract of Momordica charantia fruit extract was administered to diabetic rats to assess the long term effect of the extract on the lipid profile and the oral glucose tolerance test. Treatment ... -
Effect of water stress on photosynthetic characteristics of two sorghum cultivars
(Global Science Books, http://www.globalsciencebooks.info/, 2011)The effects of water stress on the photosynthetic characteristics of two locally-cultivated sorghum cultivars (‘Segaolane’ and ‘Town’) were investigated over a period of weeks. Water stress was imposed on 1-week-old plants ... -
Effects of different types of water decoctions of fruit of Melia azedarach on glucose induced hyperglycemia, liver transaminases, lipid peroxidation and reduced glutathione in normal albino rats
(Academic Journals http://www.academicjournals.org/SRE/index.htm, 2007)Four types of extracts were prepared from Melia azedarach fruits. These were methanol extract and three types of water decoctions; urine treated water decoction (UE), milk treated water decoction (ME) and plain water ... -
Effects of prolonged UV-B exposure in plants
(Academic Journals. http://www.academicjournals.org/AJB, 2008)Over the past few decades, there has been a depletion of the stratospheric ozone layer due to emissions of halogen-containing compounds of anthropogenic origin. This has resulted in a concomitant increase in solar ... -
The Effects of Soil Cover on Soil Respiration and Microbial Population in the Mopane (Colophospermum mopane) Woodland of North Western Botswana
(Global Science Books http://www.globalsciencebooks.com/index.php?page=shop.product_details&category_id=1&flypage=shop.flypage&product_id=5&option=com_virtuemart&Itemid=56&vmcchk=1&Itemid=56, 2008)Soil cover influences soil biological and chemical processes in various ways. The effects of soil cover (bare soil without litter, litter cover, Mopane tree canopy and grass cover) on soil respiration and microbial ... -
Effects of used sunflower oil and ghee (clarified butter) on lipid profile and antioxidants in SD rats
(Dr. Petkova, V., http://www.ejbps.com/, 2016)This study was aimed at determining the effects of used ghee and sunflower oils after potato frying on antioxidant status and lipid profile in SD rats. Male albino SD rats weighing approximately 200-250g were used for the ... -
Efficacy of locally available fungicides in controlling powdery mildew of Butternut squash (Cucurbita moschata Duchesne ex Poiret) in greenhouse at Sebele, Botswana
(Sjournals Publishing Company, http://www.sjournals.com/index.php/SJCS, 2017)The powdery mildew of butternut squash (Cucurbita moschata Duchesne ex Poiret) caused by Podosphaera xanthii (Castagne) U. Braun and Shiskoff is the most severe disease in Botswana. The disease causes a significant reduction ... -
Evaluation of methods for the isolation, detection and quantification of cyanobacterial hepatotoxins
(Elsevier Ltd. http://www.elsevier.com/wps/find/journaldescription.cws_home/505509/description#description, 2006)Cyanobacterial hepatotoxins such as microcystins and nodularins have been responsible for the poisoning of both animals and humans who ingest or come into contact with toxic blooms. They are extremely stable in water due ... -
Fire and its influence on microbial community structure and soil biochemical properties in the Okavango Delta, Botswana
(Academic Journals. http://www.academicjournals.org/SRE, 2007)The influence of wild fires on microbial community structure, soil organic matter, sulphur oxidising and nitrifying microbial populations in the floodplains of the Okavango Delta of Botswana was assessed. Microbial ... -
Flooding and its influence on diazotroph populations and soil nitrogen levels in the Okavango Delta
(South African Journal of Botany http://www.elsevier.com/wps/find/journaldescription.cws_home/707238/description#description, 2004)Effects of flooding on soil nitrogen (N), and asymbiotic nitrogen fixing bacterial (diazotroph) populations of the Okavango Delta were investigated. Diazotrophs from the rhizosphere of dominant annual and perennial grasses ... -
Floristic diversity and uses of medicinal plants sold by street vendors in Gaborone, Botswana
(Global Science Books, http://www.globalsciencebooks.info/, 2011)The sale of herbal medicine, either as concoctions or single plant specimens, has become common in the streets and main shopping centres of major towns and cities in Botswana. A study was undertaken to collect information ... -
Fly maggots (Diptera: Calliphoridae, Muscidae) and associated microorganisms in Gaborone
(Applied Zoologists Research Association (AZRA), http://www.azra-india.com/journal.html, 2017)Synathropic species of flies carry pathogenic organisms that result in diseases such as bacillary dysentery, salmonellosis, cholera and diarrhea. Microorganisms associated with fly maggots were isolated and identified in ... -
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 ... -
Fungal infestation of termite mounds in Kopong, Botswana and their effects in mice red blood cells
(Society for Advance Healthcare Research, http://www.ejbps.com/ejbps/index, 2017-02)This paper aims to determine the fungal infestation, pH and moisture contents of termite mound soil from five locations in Kopong, Botswana and in vitro, effect of fungal extracts of species recovered from termite mound ... -
Fungi and their use in the possible control of Nematodes in Botswana soils
(Global Science Books, http://www.globalsciencebooks.info/, 2011)A study assessing fungi isolated from three climatic regions of Botswana as a possible control for root knot nematodes (Meloidogyne spp.) affecting the tomato(Lycopersicon esculentum L. var. ‘Money maker’) crops was ... -
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 ... -
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, ... -
Hepatoprotective potentials of water extract of Bauhinia purpurea bark against alcohol induced toxicity
(Academic Journals, http://www.academicjournals.org/SRE, 2011)Bark of Bauhinia purpurea tree was collected and both the water and methanol extracts were prepared. Both extracts were tested for free radical scavenging activities and phenol content. Water extract was then tested for ... -
Incidence and antimicrobial susceptibility testing of Listeria monocytogenes in four street-food vending sites in Gaborone, Botswana
(Applied Zoologists Research Association (AZRA), http://www.azra-india.com/, 2016-02)Listeria monocytogenes is widely distributed in nature and a significant foodborne pathogen. Where outbreaks of listeriosis have occurred, high fatalities ensue especially among the immune suppressed, pregnant women and ... -
The influence of range fire on soil fungi, microbial activity and soil properties along the Boro route of the Okavango Delta
(Global Science Books, http://www.globalsciencebooks.info/, 2011)The influence of burning on soil microbial dehydrogenase activity, nitrogen content and fungal population along the Boro route in the Okavango Delta was assessed in the flood and dry seasons. Soil samples from the burnt ...