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On a wildlife tracking and telemetry system : a wireless network approach
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The variability and dynamics of the Antartic Circumpolar Current south of Africa using proxy techniques
Published 2023“…The GoodHope program launched in early 2004 aimed to establish an intensive monitoring platform that would provide detailed information on the physical structure and volume flux of water masses south of Africa. …”
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The determination of β-endosulfan and endosulfan sulfate in human serum with dialkylphosphate metabolites as urinary markers using LC-MS/MS electrospray ionization
Published 2017“…A triple quadrupole mass spectrometer equipped with an electrospray ionization source operating in the negative ionization mode was used for mass detection of all the analytes, employing multiple reaction monitoring as scan mode. …”
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Biological nitrogen and phosphorus removal on large plants.
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Simultaneous quantification of first-line anti-tuberculosis drugs and metabolites in human plasma
Published 2020“…An AB Sciex API 4000 triple quadrupole mass spectrometer at unit mass resolution in the multiple reaction monitoring (MRM) mode was used for detection, monitoring the following transitions for the six analytes: AcINH 180 → 121, desRIF 784 → 752, EMB 205 → 116, INH 138 → 79, PZA 124 → 81 and RIF 823 → 792. …”
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Complementary and alternate medicines: a forensic analysis of the potential adulteration of over-the-counter anorectics and "lifestyle" medicines in South Africa
Published 2018“…An AB SCIEX 3200 TRAP® linear ion-trap quadrupole mass spectrometer was used to detect and subsequently quantitate these active pharmaceutical ingredients using a targeted multiple reaction monitoring mode. Samples were extracted with 50% v/v methanol in water. …”
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Development and validation of selective and sensitive LC-MS/MS Methods for determination of para-aminosalicyclic acid and cycloserine/terizidone applicable to clinical studies for...
Published 2019“…An AB Sciex API 3000 mass spectrometer at unit resolution in the multiple reaction monitoring (MRM) mode was used to monitor the transition of the protonated precursor ions m/z 154.1 and m/z 181.2 to the product ions m/z 80.2 and m/z 95.2 for PAS and the ISTD, respectively. …”
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Determination of Rifapentine and 25-O-desacetyl Rifapentine from 100 µl human breastmilk by LC-MS/MS using protein precipitation and solid phase extraction
Published 2020“…An AB Sciex 4000 mass spectrometer at unit resolution in the multiple reaction monitoring (MRM) mode was used to monitor the transition of the protonated precursor ions m/z 877.5, m/z 835.4 and m/z 827.4 to the product ions m/z 151.1, m/z 453.2 and m/z 151.200 for rifapentine, 25-Odesacetyl rifapentine and rifampicin-d3, respectively. …”
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The role of hydrocarbon oils in coal flotation : an investigation in to some pulp phase sub-processes
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Oxidant concentration effects in the hydroxylation of phenol over titanium-based zeolites Al-free Ti-Beta and TS-1
Published 2008Get full text
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Literature review of the use of common protective coatings for concrete structures with experiences in the South African context
Published 2019“…This is the classification system used by EN 1504 and is divided as follows: HYDROPHOBIC IMPREGNATION These are low viscosity fluids which penetrate several millimetres into the concrete and considerably increase the water penetration resistance of concrete, whilst still allowing the passage of water vapour and gases. …”
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Immobilized titanium dioxide for emerging contaminant removal in wastewater
Published 2018“…Dissolved oxygen levels, temperature and pH were monitored through all the conducted tests. The performance of the slurry water-bell was compared with other photo-reactors using two benchmarks: the degradation rate constant and the reactor throughput. …”
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Electrochemical reduction of carbon dioxide to liquid fuels : conversion of a thermal catalyst to an electrocatalyst
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Blood alcohol : forensic analysis by GC-MS and investigation of some pre-analytical factors that may influence the result
Published 2018Get full text
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Military integrated environmental management at the Donkergat military-training area
Published 2015Get full text
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