Browsing Department of Chemistry by Issue Date
Now showing items 1-20 of 73
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Determination of cyanobacterial cyclic peptide hepatotoxins in drinking water using CE
(Electrophoresis, 2009-03-23)Four cyanobacteria hepatotoxins microcystin LR, microcystin RR, microcystin YR, and nodularin were simultaneously determined in drinking water using CZE and MEKC coupled with UV detection. The toxins were satisfactorily ... -
Novel methods for quantitative analysis and evaluation of effects of chronic exposure to microcystins by capillary electrophoresis and metabolomics studies
(2010)This thesis describes capillary electrophoresis (CE) methods for separation and quantification of cyan toxins in water; and “metabolomics” and “metabonomic” approaches for investigation of the effect of exposure of a human ... -
Metabolomics Approach for Investigation of Effects of Dengue Virus Infection Using the EA.hy926 Cell Line
(Journal of Proteome Research, 2010-10-18)This paper describes a multiplatform analytical approach combining proton nuclear magnetic resonance (1H NMR) spectroscopy and mass spectrometry (MS), together with pattern recognition tools in a metabolomics study used ... -
Investigation of the effect of exposure to non cytotoxic amounts of microcystins
(Metabolomics, 2010-12-12)This paper describes a metabolomic approach for investigation of the potential effect of exposure of humans to low amounts of microcystins using HepG2 cell line. Microcystins are hepatotoxins produced by cyanobacteria ... -
Purple anthocyanin colouration on lower (abaxial) leaf surface of Hemigraphis colorata (Acanthaceae)
(Phytochemistry, 2014)The functional significance of anthocyanin colouration of lower (abaxial) leaf surfaces is not clear. Two anthocyanins, 5-O-methylcyanidin 3-O-(300-(b-glucuronopyranosyl)-b-glucopyranoside) (1) and 5-O-methylcyanidin ... -
Occurrence of selected pharmaceuticals in water and sedimentof Umgeni River, KwaZulu-Natal, South Africa
(Environ Sci Pollut Res, 2015-02-05)Selected pharmaceuticals including antibiotics, an-tipyretics, a stimulant, an antiepileptic and an antipsychoticdrug were determined in wastewater, surface water and sedi-ment along the Umgeni River which is the main ... -
Pharmaceutical residues in water and sediment of Msunduzi River, KwaZulu-Natal, South Africa
(Chemosphere, 2015-03-27)The little data about pharmaceutical residue contamination in African water bodies motivated our study on the occurrence of pharmaceutical residues in the water and sediment of Msunduzi River in the KwaZulu-Natal province ... -
Occurrence and significance of polychlorinated biphenylsin water, sediment pore water and surface sedimentsof Umgeni River, KwaZulu-Natal, South Africa
(Environ Monit Assess, 2015-08-05)The Umgeni River is one of the main sourcesof water in KwaZulu-Natal, South Africa; however;there is currently a lack of information on the presenceand distribution of polychlorinated biphenyls (PCBs) inits sediment, ... -
Occurrence and significance of polychlorinated biphenyls in water, sediment pore water and surface sediments of Umgeni River, KwaZulu-Natal, South Africa
(Environ Monit Assess, 2015-08-05)The Umgeni River is one of the main sources of water in KwaZulu-Natal, South Africa; however; there is currently a lack of information on the presence and distribution of polychlorinated biphenyls (PCBs) in its sediment, ... -
Detection and quantification of acidic drug residues in South African surface water using gas chromatography-mass spectrometry
(Chemosphere, 2016-10-26)A method was optimized for derivation, separation, detection and quantification of salicylic acid, acetylsalicylic acid, nalidixic acid, ibuprofen, phenacetin, naproxen, ketoprofen, meclofenamic acid and diclofenac in ... -
Detection and Quantification of Emerging Organic Pollutants in the Umgeni and Msunduzi Rivers
(Water Research Commission, 2016-12)BACKGROUND Globally, there is a strong interest and extensive research activities on emerging organic contaminants and there is an increasing need to monitor these compounds in order to understand the risks posed to human ... -
Effects of Seasonal Variations in Physical Parameters on Quality of Gravity Flow Water in Kyanamira Sub-County, Kabale District, Uganda
(Journal of Water Resource and Protection, 2016-12-23)The effect of seasonal variations in physical parameters on quality of gravity flow water was investigated in Kyanamira Sub-County, Kabale District, Uganda. The seasonal variations in the physical parameters (pH, temperature, ... -
Assessment of Seasonal Variation in Water Quality in River Rwizi Using Multivariate Statistical Techniques, Mbarara Municipality, Uganda
(Journal of Water Resource and Protection, 2017-01-25)Assessment of seasonal variations in surface water quality characteristics is essential aspect for evaluating water pollution due to both natural and anthropogenic influences on water resources. In this study, temporal ... -
Detoxification of Nyar-Udota Cassava Variety in Zombo District by Fermentation
(International Journal of Nutrition and Food Sciences, 2017-03-09)Fermentation is capable of detoxifying cassava cultivars. Cassava is one of the most important food crops in the world and in Uganda it is the second most consumed food crop after bananas. However, cassava has some toxic ... -
Temporal and Spatial Seasonal Variations in Quality of Gravity Flow Water in Kyanamira Sub-County, Kabale District, Uganda
(Journal of Water Resource and Protection, 2017-04-20)The study was designed to investigate temporal and spatial seasonal variations in quality properties of gravity flow water samples collected from Kigata, Kacuro, Kihanga, Kitibya and Kanjobe located in Kyanamira Sub-County, ... -
Potential of Artocarpus heterophyllus Seed Powder in the Adsorption of Chromium(VI) from Aqueous Solution
(Journal of Water Resource and Protection, 2017-05-22)The potential of Artocarpus heterophyllus (Jackfruit) seed powder in adsorption of chromium(VI) from aqueous solution was studied using batch technique. The performance of the adsorption process was evaluated against contact ... -
Assessment of nonsteroidal anti-inflammatory drugs by ultrasonic-assisted extraction and GC-MS in Mgeni and Msunduzi river sediments, KwaZulu-Natal, South Africa
(Environ Sci Pollut Res, 2017-06-27)The occurrence of eight pharmaceuticals was monitored during four seasons (spring, summer, autumn, and winter) along a 250-km stretch of the Msunduzi and Mgeni rivers in KwaZulu-Natal, South Africa. This paper describes ... -
Physio-Chemical Properties of Tomatoes (Lycopersicon esculentum) Stored in Locally Constructed Postharvest Cold Storage House
(EC NUTRITION, 2018)The quality of tomatoes (Lycopersicon esculentum.cv ‘Padma’) stored in a farmer cooling storage innovation in comparison with the ambient and fridge storage conditions were assessed for a period of 28 days. The temperature ... -
Partition distribution of selected organochlorine pesticides in water, sediment pore water and surface sediment from uMngeni River, KwaZulu-Natal, South Africa
(Water sA, 2018)Organochlorine pesticides (OCPs) were analysed in surface water, pore water and surface sediment samples collected from the uMngeni River, which is one of the largest rivers in the province of KwaZulu-Natal, South Africa. ... -
Heavy Metal Accumulation in Maize (Zea mays L.) Grown on Chromated Copper Arsenate (CCA) Contaminated Soil Amended with Treated Composted Sewage Biosolid
(Journal of Environmental Protection, 2018)A pot experiment was conducted to investigate the heavy metal accumulation in maize ( Zea mays L.) plant grown in chromated copper arsenate (CCA) soil amended with treated composted sewage biosolid. The initial concentrations ...
