Search Results - "Marais, Johannes"

Modeling the Spectral Energy Distributions and Spectropolarimetry of Blazars—Application to 4C+01.02 in 2016–2017 by Schutte, Hester M., Britto, Richard J., Böttcher, Markus, van Soelen, Brian, Marais, Johannes P., Kaur, Amanpreet, Falcone, Abraham D., Buckley, David A. H., Rajoelimanana, Andry F., Cooper, Justin

“…The optical radiation emitted by blazars contains contributions from synchrotron radiation by relativistic electrons in the jets, as well as thermal radiation…”
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SALT Spectropolarimetry and Self-Consistent SED and Polarization Modeling of Blazars by Böttcher, Markus, van Soelen, Brian, Britto, Richard, Buckley, David, Marais, Johannes, Schutte, Hester

“…We report on recent results froma target-of-opportunity program to obtain spectropolarimetry observations with the Southern African Large Telescope (SALT) on…”
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Thrombotic thrombocytopenic purpura in the presence of connective tissue disease and HIV infection: A diagnostic and therapeutic challenge in a resource- constrained setting by Perumal, Rubeshan, Marais, Johannes Alexander, Brown, Susan

“…Thrombotic thrombocytopenic purpura is a catastrophic disease and may occur in the presence of other confounding diseases. We present a case of TTP in a…”
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Mycotoxin production by three different toxigenic fungi genera on formulated abalone feed and the effect of an aquatic environment on fumonisins by Greeff-Laubscher, Mariska Riana, Beukes, Ilze, Marais, Gert Johannes, Jacobs, Karin

“…Mycotoxins are toxic secondary metabolites produced by various filamentous fungi, of which Fusarium, Aspergillus and Penicillium are the three main genera…”
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Multigene Phylogeny and Pathogenicity Trials Revealed Alternaria alternata as the Causal Agent of Black Spot Disease and Seedling Wilt of Pecan ( Carya illinoinensis ) in South Africa by Achilonu, Conrad Chibunna, Marais, Gert Johannes, Ghosh, Soumya, Gryzenhout, Marieka

“…The pecan ( ) industry in South Africa is growing rapidly, and it is becoming increasingly crucial to understand the risks posed to pecans by fungal pathogens…”
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In Vitro Evaluation of Azoxystrobin, Boscalid, Fentin-Hydroxide, Propiconazole, Pyraclostrobin Fungicides against Alternaria alternata Pathogen Isolated from Carya illinoinensis in South Africa by Achilonu, Conrad Chibunna, Gryzenhout, Marieka, Ghosh, Soumya, Marais, Gert Johannes

“…Black spot disease or Alternaria black spot (ABS) of pecan ( ) in South Africa is caused by . This fungal pathogen impedes the development of pecan trees and…”
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Random amplified microsatellites (RAMS) analysis ascertains genetic variation of Alternaria alternata causing black spot disease on Carya illinoinensis in South Africa by Achilonu, Conrad Chibunna, Gryzenhout, Marieka, Marais, Gert Johannes, Madisha, M. Thabang, Ghosh, Soumya

“…Limited information regarding the occurrence of black spot disease of pecan ( Carya illinoinensis ), caused by A. alternata , in South Africa is known. The…”
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Phylogenetic analysis of the cytochrome P450 (CYP450) nucleotide sequences of the horse and predicted CYP450s of the white rhinoceros ( Ceratotherium simum ) and other mammalian species by Leiberich, Marion, Marais, Hendrik Johannes, Naidoo, Vinny

“…The plight of the white rhinoceros ( ) and the increasing need of treatment options for injured poaching victims led to the necessity to expand the knowledge…”
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Modeling the Spectral Energy Distributions and Spectropolarimetry of Blazars—Application to 4C+01.02 in 2016–2017 Based on observations made with the Southern African Large Telescope (SALT) under program 2016-2-LSP-001 (PI: D. A. H. Buckley) by Schutte, Hester M., Britto, Richard J., Böttcher, Markus, van Soelen, Brian, Marais, Johannes P., Kaur, Amanpreet, Falcone, Abraham D., Buckley, David A. H., Rajoelimanana, Andry F., Cooper, Justin

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An Assessment of Property-Liability Insurer Performance by Marais, Johannes Coetzee

“…This dissertation consists of two essays that examine the financial performance of property-liability insurance firms with common-stock ownership structure…”
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Phenolic Extracts of Cranberry Positively Modulate Endogenous Antioxidant Defenses and Signalling Pathways Against Oxidative Challenge by Khoo, Christina, Martin, Maria, Ramos, Sonia, Mateos, Raquel, Bravo, Laura, Marais, Johannes, Goya, Luis

“…Abstract only Oxidative stress and reactive oxygen species (ROS)‐mediated cell damage are implicated in various chronic pathologies. Emerging studies show…”
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Thrombotic thrombocytopenic purpura in the presence of connective tissue disease and HIV infection: a diagnostic and therapeutic challenge in a resourceconstrained setting by Perumal, R, Marais, J.A, Brown, S

“…Thrombotic thrombocytopenic purpura (TTP) may occur in the presence of other confounding diseases. We present a case of TTP in a patient with connective tissue…”
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Sodium dichloroisocyanurate oxidation of a sterically hindered tetrahydro-9(10H)-acridinone by Marais, Johannes L. C, Pickl, Wolfgang, Staskun, Benjamin

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Differential Detection of Alternaria alternata Haplotypes Isolated from Carya illinoinensis Using PCR-RFLP Analysis of Alt a1 Gene Region by Achilonu, Conrad Chibunna, Gryzenhout, Marieka, Marais, Gert Johannes, Ghosh, Soumya

“…Alternaria black spot disease on pecan is caused by the opportunistic pathogen and poses a serious threat to the local South African and global pecan industry…”
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Differential Detection of IAlternaria alternata/I Haplotypes Isolated from ICarya illinoinensis/I Using PCR-RFLP Analysis of IAlt a1/I Gene Region by Achilonu, Conrad Chibunna, Gryzenhout, Marieka, Marais, Gert Johannes, Ghosh, Soumya

“…Alternaria black spot disease on pecan is caused by the opportunistic pathogen Alternaria alternata and poses a serious threat to the local South African and…”
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In Vitro Evaluation of Azoxystrobin, Boscalid, Fentin-Hydroxide, Propiconazole, Pyraclostrobin Fungicides against IAlternaria alternata/I Pathogen Isolated from ICarya illinoinensis/I in South Africa by Achilonu, Conrad Chibunna, Gryzenhout, Marieka, Ghosh, Soumya, Marais, Gert Johannes

“…Black spot disease or Alternaria black spot (ABS) of pecan (Carya illinoinensis) in South Africa is caused by Alternaria alternata. This fungal pathogen…”
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Multigene Phylogeny and Pathogenicity Trials Revealed IAlternaria alternata/I as the Causal Agent of Black Spot Disease and Seedling Wilt of Pecan in South Africa by Achilonu, Conrad Chibunna, Marais, Gert Johannes, Ghosh, Soumya, Gryzenhout, Marieka

“…The pecan (Carya illinoinensis) industry in South Africa is growing rapidly, and it is becoming increasingly crucial to understand the risks posed to pecans by…”
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Zinc Oxide:Gold Nanoparticles (ZnO:Au NPs) Exhibited Antifungal Efficacy Against Aspergillus niger and Aspergillus candidus by Achilonu, Conrad Chibunna, Kumar, Promod, Swart, H. C., Roos, W. D., Marais, Gert Johannes

“…Fungal pathogens are a major health issue that threatens the era of antifungal drugs commonly used in the treatment of infections. An effective approach of…”
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Synthesis of 3,4-dihydro-3,3,4-trichloroquinolin-2(1H)-ones and their conversion to indeno[1,2,3-de]quinolin-2(1H)-ones by Marais, Johannes, Staskun, Benjamin

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Antifungal activity of Carya illinoinensis extracts against Alternaria alternata pathogen and their cytotoxicity effects on HEK-293T cells: HPLC analysis of bioactive compounds by Achilonu, Conrad Chibunna, Gryzenhout, Marieka, Marais, Gert Johannes, Johar, Dina, Ghosh, Soumya, Hassanin, Soha Osama

“…Derivatives of Carya illinoinensis (pecan) are used as dietary supplements and their leaf and nuts-in-shuck extracts are used in the treatment of various…”
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