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Brevetoxin — an elusive toxin in New Zealand waters
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: P McNabb L Rhodes J Adamson P HollandLiquid chromatography mass spectrometry (LCMS) was used to test 34 microalgal isolates, all known or reported to be brevetoxin producers. Only Karenia brevis strains, imported from the USA, produced brevetoxin. In contrast, all isolates cultured in New Zealand proved non-toxic... -
Detection methods and their limitations: PSP toxins in the southern puffer fish Sphoeroides nephelus responsible for human poisoning events in Florida in 2004
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: S Etheridge J Deeds S Hall K White L Flewelling J Abbott J Landsberg S Conrad D Bodager G JackowHigh-performance liquid chromatography (HPLC) with post-column derivatisation and fluorescence detection has been commonly used for analysing paralytic shellfish poisoning (PSP) toxins. However, identifying peaks with confidence requires that steps be taken beyond simple chromatographic runs, owing in part to the... -
Characterisation of new analogues of palytoxin isolated from an Ostreopsis mascarenensis bloom in the south-western Indian Ocean
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: S Lenoir L Ten-Hage J Turquet JP Quod MC HennionA preliminary screening of toxins of the crude extract of Ostreopsis mascarenensis Quod, a benthic dinoflagellate from the south-western Indian Ocean, revealed a neurotoxicity in mice similar to that induced by palytoxin, one of the most potent marine toxins involved... -
COLISTIN: adult and paediatric guideline for South Africa, 2016
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Quinten Labuschagne --- South African Society of Clinical Pharmacy (SASOCP), South Africa Natalie Schellack --- South African Society of Clinical Pharmacy (SASOCP), South Africa Andries Gous --- South African Society of Clinical Pharmacy (SASOCP), South Africa Elmien Bronkhorst --- South African Society of Clinical Pharmacy (SASOCP), South Africa Gustav Schellack --- South African Society of Clinical Pharmacy (SASOCP), South Africa Lindie van Tonder --- South African Society of Clinical Pharmacy (SASOCP), South Africa Archele Truter --- South African Society of Clinical Pharmacy (SASOCP), South Africa Caroline Smith --- South African Society of Clinical Pharmacy (SASOCP), South Africa Ruth Lancaster --- South African Society of Clinical Pharmacy (SASOCP), South Africa Sonya Kolman --- South African Society of Clinical Pharmacy (SASOCP), South AfricaThis document was created to serve as a guideline for colistin prescribing in South Africa. Antimicrobial resistance is threatening the effective prevention and treatment of a wide variety of infections, especially those that are caused by multi-drug-resistant (MDR) gram-negative bacteria... -
Assessing the impact of climate change on crop production in southern Africa: a review
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: AC Franke --- , South AfricaThis paper provides a systematic review of studies assessing the impact of climate change on crop yields in southern Africa. Moreover, it synthesises the current knowledge of the impact of elevated ambient CO2 levels (eCO2) and temperatures on physiological processes,... -
Changing structure of India’s exports with Africa: Where do the technology-intensive exports stand?
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mohd Fayaz --- Central University of Punjab, India Sandeep Kaur --- Central University of Punjab, IndiaThe present study is an endeavour to document the pattern of comparative advantage and structural changes of Indian exports with Africa with the help of revealed comparative advantage index and the constant market share model for the period 1980–2021. The...