Faculty of Natural Sciences: Recent submissions
Now showing items 861-880 of 2638
-
Hi global scaling relations in the wise-whisp survey
(Oxford University Press, 2021)We present the global scaling relations between the neutral atomic hydrogen gas, the stellar disk and the star forming disk in a sample of 228 nearby galaxies that are both spatially and spectrally resolved in HI line ... -
School and work absenteeism due to menstruation in three West African countries: findings from PMA2020 surveys
(Taylor & Francis Open Access, 2021)Reports of school and work absences due to unmet menstrual needs have prompted increased attention to menstruation in policy and practice. However, there appear to be few quantitative studies reported in published ... -
Big data research infrastructure collaboration toward the SKA (BRICSKA)
(Academia Brasileira de Ciencias, 2021)Astronomy is entering an era of mega-data that will render conventional research methods as well as data and visual analytics tools ineffective. The Square Kilometre Array (SKA) drives one of the most significant big ... -
Dispersal dynamics of SARS-CoV-2 lineages during the first epidemic wave in New York City
(Public Library of Science, 2021)During the first phase of the COVID-19 epidemic, New York City rapidly became the epicenter of the pandemic in the United States. While molecular phylogenetic analyses have previously highlighted multiple introductions and ... -
A novel nano therapeutic using convalescent plasma derived exosomal (CPExo) for Covid-19: A combined hyperactive immune modulation and diagnostics
(Elsevier, 2021)Extracellular vesicles like exosomes are important therapeutic tactics for treating COVID -19. By utilizing convalescent plasma derived exosomes (CPExo) from COVID-19 recovered persistence could accelerate the treatment ... -
Quantifying and incentivizing exploration of reputable sources for argument formation in an online discussion forum
(Academic Conferences and Publishing International Limited, 2021)Nuclearpowerformspartofthefirst-yearphysicsundergraduatecourseworkinthe extended curriculum program at the University of the Western Cape. This investigation intendstoassiststudentsinmasteringtheirunderstandingof ... -
Gene expression modulation of apoptotic and oestrogen receptor alpha genes by active fractions of selected Nigerian plants on cervical cancer cell line (hela)
(University of Benin, 2021)The roles of natural product in drug discovery and development cannot be over emphasised. It plays a vital role in human therapy and gives a better understanding on the cellular pathways.This study investigated the ... -
A note on the stochastic version of the Gronwall lemma
(Taylor & Francis Group, 2022)We prove a stochastic version of the Gronwall lemma assuming that the underlying martingale has a terminal random value in Lp, where 1 p < 1: The proof of the present result is mainly based on a sharp martingale inequality ... -
In vitro evaluation of the antiproliferative activity of Carpobrotus edulis on human neuroblastoma cells
(Elsivier, 2021)Neuroblastoma is a solid neuroendocrine tumour located outside the cranial cavity and contributes about 15% of all cancer‑associated deaths in children. Treatment of neuroblastoma is quite challenging and involves the use ... -
Spectroscopy, morphology, and electrochemistry of electrospun polyamic acid nanofibers
(Frontiers Media, 2022)Polyamic acid (PAA) nanofibers produced by using the electrospinning method were fully characterized in terms of morphology and spectroscopy. A PAA nanofiber–modified screen-printed carbon electrode was applied to the ... -
Comparative study of the antioxidant constituents, activities and the gc-ms quantification and identification of fatty acids of four selected helichrysum species
(MDPI, 2022)Helichrysum Mill. (Asteraceae) is a plant genus comprising distinctively of aromatic plants of about 500–600 species. Since most of these plants have not been previously studied, extensive profiling helps to validate ... -
Aerosol mass and size‑resolved metal content in urban Bangkok, Thailand
(Springer, 2022)Inhalable particulate matter (PM) is a health concern, and people living in large cities such as Bangkok are exposed to high concentrations. This exposure has been linked to respiratory and cardiac diseases and cancers ... -
Does the landscape functionality approach provide insight into rangeland conditions in the Tanqua Karoo region, South Africa?
(PeerJ, 2022)The harsh environmental conditions coupled with a long history of overgrazing have altered the ecology of the arid Tanqua Karoo rangelands in South Africa, which necessitates rehabilitation. However, a suitable method ... -
Isolation and characterization of lytic proteus virus 309
(MDPI, 2022)Proteus mirabilis is frequently associated with complicated urinary tract infections (UTIs) and is the main cause of catheter-associated urinary tract infections (CAUTIs). Treatment of such infections is complicated and ... -
Planned, ongoing and completed tuberculosis treatment trials in Brazil, Russia, India, China and South Africa: A 2019 cross-sectional descriptive analysis
(BMJ Publishing Group, 2022)Tuberculosis (TB) remains a deadly challenge globally and Brazil, Russia, India, China and South Africa (BRICS) are among the countries with the highest TB burden. The objective of this study is to identify and ... -
Factors that influence cape fur seal predation on Cape gannets at Lambert’s bay, South Africa
(PeerJ, 2022)Seabird populations experience predation that can impact their breeding density and breeding success. The Cape gannet Morus capensis is endemic to the Benguela upwelling ecosystem and is classified as Endangered by the ... -
High-depth African genomes inform human migration and health
(Choudhury, A. et al. (2021). Author correction: High-depth African genomes inform human migration and health (nature, (2020), 586, 7831, (741-748), 10.1038/s41586-020-2859-7). Nature, 592(7856), E26. doi:10.1038/s41586-021-03286-9, 2021)The African continent is regarded as the cradle of modern humans and African genomes contain more genetic variation than those from any other continent, yet only a fraction of the genetic diversity among African individuals ... -
Insights into innovative therapeutics for drug-resistant tuberculosis: Host-directed therapy and autophagy inducing modified nanoparticles
(Elsevier, 2022)Tuberculosis (TB) remains one of the deadliest communicable dis- eases caused by Mycobacterium tuberculosis (Mtb) since its discovery in the 1880s (Cambau and Drancourt, 2014; Singh et al., 2020). Over 1 billion mortalities ... -
Prediction of Wetland Hydrogeomorphic Type Using Morphometrics and Landscape Characteristics
(Frontiers Media S.A., 2021)Accurate spatial maps of wetlands are critical for regional conservation and rehabilitation assessments, yet this often remains an elusive target. Such maps ideally provide information on wetland occurrence and extent, ... -
Endocrine contribution to the sexual dysfunction in patients with advanced chronic kidney disease and the role of hyperprolactinemia
(John Wiley and Sons Inc, 2021)In this study, we investigated the prevalence of sexual dysfunction among males with advanced chronic kidney disease and the effect of treating hyperprolactinemia among these patients. In this prospective study, patients ...