Browsing Faculty of Natural and Agricultural Sciences by Title
Now showing items 2938-2957 of 4825
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Multiwavelength study of quiescent states of Mrk 421 with unprecedented hard x-ray coverage provided by NuSTAR in 2013
(IOP Publishing, 2016)We present coordinated multiwavelength observations of the bright, nearby BL Lacertae object Mrk 421 taken in 2013 January–March, involving GASP-WEBT, Swift, NuSTAR, Fermi-LAT, MAGIC, VERITAS, and other collaborations and ... -
A multiwavelength view of the flaring state of PKS 2155-304 in 2006
(EDP Sciences, 2012)Context: Multiwavelength (MWL) observations of the blazar PKS 2155-304 during two weeks in July and August 2006, the period when two exceptional flares at very high energies (VHE, E ≳ 100 GeV) occurred, provide a detailed ... -
Municipal sports officers perceptions of performance appraisal and their relationship with satisfaction with the process
(LAM Publications; AJOL; Sabinet, 2013)One of the human resources management functions is the appraisal of employee performance. Given the fact that employees are the most important source of capital advantage to an organisation, the overall aim of performance ... -
MutPred mutational load analysis shows mildly deleterious mitochondrial DNA variants are not more prevalent in Alzheimer's patients, but may be under-represented in healthy older individuals
(Elsevier, 2017)Mitochondrial DNA (mtDNA) association studies have been conducted for over a decade using the haplogroup (lineage) association method, but this frequently produces conflicting results. Here we analyzed complete mtDNA ... -
The mutualistic relationship between information systems and the humanities
(IBIMA, 2010)The paper explores the nature of the relationship between the study fields of Information Systems and the humanities. Although literature on Humanities Computing states in principle that there is a bidirectional, beneficial ... -
Mycobacterium tuberculosis curli pili (MTP) deficiency is associated with alterations in cell wall biogenesis, fatty acid metabolism and amino acid synthesis
(Springer, 2020)Introduction In an effort to find alternative therapeutic interventions to combat tuberculosis, a better understanding of the pathophysiology of Mycobacterium tuberculosis is required. The Mycobacterium tuberculosis curli ... -
Mycobacterium tuberculosis curli pili (MTP) is associated with significant host metabolic pathways in an A549 epithelial cell infection model and contributes to the pathogenicity of Mycobacterium tuberculosis
(Springer, 2020)Introduction A clear understanding of the metabolome of Mycobacterium tuberculosis and its target host cell during infection is fundamental for the development of novel diagnostic tools, effective drugs and vaccines ... -
Mycobacterium tuberculosis curli pili (MTP) is associated with significant host metabolic pathways in an A549 epithelial cell infection model and contributes to the pathogenicity of Mycobacterium tuberculosis
(Springer, 2020)Introduction A clear understanding of the metabolome of Mycobacterium tuberculosis and its target host cell during infection is fundamental for the development of novel diagnostic tools, effective drugs and vaccines ... -
Mycorrhiza–induced resistance against the root-knot nematode Meloidogyne incognita involves priming of defense gene responses in tomato
(Elsevier, 2013)Arbuscular mycorrhizal fungi (AMF) have great potential as biocontrol organisms against the rooteknot nematode Meloidogyne incognita which causes severe gall formation in plants, but knowledge about the underlying molecular ... -
Myth as a biodiversity conservation strategy for the Vhavenda, South Africa
(Lamela Communications, 2010)The use of myth and superstition is an integral part of indigenous communities in Africa. It is used as a traditional approach for sustainable use and management of natural resources. The use of myths has significantly ... -
Myth-busting tropical grassy biome restoration
(Wiley, 2020)The historical focus in research and policy on forest restoration and temperate ecosystems has created misunderstandings for the restoration of tropical and subtropical old‐growth grassy biomes (TGB). Such misconceptions ... -
'n Model van faktore wat die sukses van onderrigleer van tegnologie-gebaseerde modules beïnvloed
(LitNet, 2011)Dit wil voorkom asof daar groepe studente is wat meer probleme ondervind met die bemeestering van tegnologiegebaseerde modules as ander modules. Bestaande navorsing dui op spesifieke faktore wat sterk figureer in die sukses ... -
'n Model van faktore wat die sukses van onderrigleer van tegnologie–gebaseerde onderwerpe beinvloed
(Universiteit van Stellenbosch, 2011)There appear to be groups of students who experience more problems with the mastering of technology-based subjects (where technology is used, but is not the main subject of the study) than other (non-technology-based) ... -
'n Vergelyking van die Mollusca-diversiteit in die Mooirivier (Noordwes-Provinsie) soos gevind met opnames wat gemaak is in 1963 en weer 50 jaar later
(AOSIS, 2015)Die hoogste getal gedokumenteerde uitsterwings van enige belangrike taksonomiese groep word aan die Mollusca toegedig. Faktore wat hoofsaaklik hiervoor verantwoordelik is, sluit onder meer omgewingsveranderinge en ... -
N-gram based language identification of individual words
(PRASA, 2013)Various factors influence the accuracy with which the language of individual words can be classified using n-grams. We consider a South African text-based language identification (LID) task and experiment with two different ... -
N-Methyl-N,N,N-trioctylammonium chloride as a novel and green corrosion inhibitor for mild steel in an acid chloride medium: electrochemical, DFT and MD studies
(Royal Society of Chemistry, 2017)In the present work, N-methyl-N,N,N-trioctylammonium chloride (Aliquat 336) has been evaluated as a green and novel corrosion inhibitor for mild steel in a 1 M HCl solution using electrochemical impedance spectroscopy ... -
Nagumoea serrata, a new diatom species (Bacillariophyceae) found on seagrass from the south-eastern coast of Africa (Indian Ocean)
(Czech Phycological Society, 2020)A novel diatom species belonging to the genus Nagumoea is described based on detailed light and scanning electron microscopy observations. The new taxon was found abundantly in several samples collected from seagrass on ... -
The Namaqua rock mouse (Micaelamys namaquensis) as a potential reservoir and host of arthropod vectors of diseases of medical and veterinary importance in South Africa
(BioMed Central, 2014)Background The role of endemic murid rodents as hosts of arthropod vectors of diseases of medical and veterinary significance is well established in the northern hemisphere. In contrast, endemic murids are comparatively ... -
Nannodromus reveilleti (Acari, Anystida, Saxidromidae) a new genus and species from South Africa
(Pensoft Publishers, 2014)The description of a new genus Nannodromus and a new species Nannodromus reveilleti (Acari: Anystides: Saxidromidae) from South Africa, based on adult males and females. -
Nanomaterials in the aquatic environment: a European Union United States perspective on the status of ecotoxicity testing, research priorities, and challenges ahead
(Wiley, 2016)The European Union–United States Communities of Research were established in 2012 to provide a platform for scientists to develop a “shared repertoire of protocols and methods to overcome nanotechnology environmental health ...