Articles by Author: Jean Maritz

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  1. HIV-1 RNA testing of pooled dried blood spots is feasible to diagnose acute HIV infection in resource limited settings

    HIV-1 RNA testing of pooled dried blood spots is feasible to diagnose acute HIV infection in resource limited settings

    Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases
    Objectives: Rapid human immunodeficiency virus (HIV) antibody tests, routinely used for diagnosis in adults and older children in resource-limited settings (RLS), do not detect early HIV infections prior to seroconversion or when antibody levels are still low. Nucleic acid amplification...
  2. The impact of cerebrospinal fluid viral analysis on empiric antibiotic use in children admitted to Tygerberg Children’s hospital with suspected meningitis

    The impact of cerebrospinal fluid viral analysis on empiric antibiotic use in children admitted to Tygerberg Children’s hospital with suspected meningitis

    Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases
    Background: Viral meningitis is the most common form of aseptic meningitis and requires minimal investigation and treatment. Polymerase chain reaction (PCR) has become the ‘gold standard’ for identifying viruses in cerebrospinal fluid and can provide rapid results. The objective of...
  3. Geno-Phenotypic Regression and Juvenile-Mature Correlations: Methodological Tools for Clonal Selection of <em>Eucalyptus</em> Hybrids in Congo

    Item type: Journal Article • Journal: South African Forestry Journal
    This paper discusses different ways to improve clonal selection and clonal variety propagation for the industrial plantations in Congo.
  4. <em>Citrus tristeza virus</em> cross-protection of ‘Palmer’ navel orange in the Eastern Cape Province of South Africa

    <em>Citrus tristeza virus</em> cross-protection of ‘Palmer’ navel orange in the Eastern Cape Province of South Africa

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Citrus tristeza virus (CTV) is endemic in southern Africa due to the abundance of the citrus brown aphid, To x -optera citricida Kirk., the main insect vector. Virus-free propagation material in the Southern African Citrus Improvement Scheme is pre-inoculated with...
  5. ON A THEOREM OF A.A. LYAPUNOV

    ON A THEOREM OF A.A. LYAPUNOV

    Item type: Journal Article • Journal: Quaestiones Mathematicae
    In this note we obtain some extensions and an approximation of the Lyapunov convexity theorem by means of the bilinear integration of a set-valued function. The integration is performed successively with respect to a non-atomic, a direct sum and a...
  6. <em>Bisisimi</em> or the language of the wise

    <em>Bisisimi</em> or the language of the wise

    Item type: Journal Article • Journal: South African Journal of African Languages
    Some speakers of Teke (a Bantu language spoken in the Congo) use a kind of linguistic virtuosity called Bisisimi which is entirely based on a competitive use of chanted proverbs. In this article I attempt to define the term Bisisimi,...
  7. <em>Mbyi Bandzogho</em>: ridicule among Teke youngsters

    <em>Mbyi Bandzogho</em>: ridicule among Teke youngsters

    Item type: Journal Article • Journal: South African Journal of African Languages
    This article deals with a speech event among Teke youngsters. The participants meet in the evening and play a game that entails a decision to refrain from speaking. Whoever breaks the silence becomes the target of unpleasant jokes in the...
  8. THE INTERIORITY OF A MULTIFUNCTION

    THE INTERIORITY OF A MULTIFUNCTION

    Item type: Journal Article • Journal: Quaestiones Mathematicae
    We study the set of points of a topological space X at which a multifunction F: X → Y is interior. This paper also deals with the valuation of the Borel class of this set. The necessary examples and counterexamples...
  9. Role of the laboratory notebook in students’ acquisition of written scientific literacy

    Role of the laboratory notebook in students’ acquisition of written scientific literacy

    Item type: Journal Article • Journal: South African Journal of Linguistics
    In hierdie artikel kyk ons na die verwerwing van studente se wetenskaplike geletterdheid deur die skryf van 'n belangrike wetenskaplike genre: die Laboratoriumnotaboek. Ons soek getuienis van ryp wetenskaplike skryfwerk in ons monster van Fisika-Laboratoriumnotaboeke wat deur eerstejaarstudente gehou word...