A review of sources, fate, levels, toxicity, exposure and transformations of organophosphorus flame-retardants and plasticizers in the environment TB Chokwe, OA Abafe, SP Mbelu, JO Okonkwo, LL Sibali Emerging Contaminants 6, 345-366, 2020 | 52 | 2020 |
Distribution, exposure pathways, sources and toxicity of nonylphenol and nonylphenol ethoxylates in the environment TB Chokwe, JO Okonkwo, LL Sibali Water Sa 43 (4), 529-542, 2017 | 50 | 2017 |
Alkylphenol ethoxylates and brominated flame retardants in water, fish (carp) and sediment samples from the Vaal River, South Africa TB Chokwe, JO Okonkwo, LL Sibali, EJ Ncube Environmental Science and Pollution Research 22, 11922-11929, 2015 | 41 | 2015 |
Levels, distributions, and ecological risk assessments of polybrominated diphenyl ethers and alternative flame retardants in river sediments from Vaal River, South Africa TB Chokwe, MN Magubane, OA Abafe, JO Okonkwo, IV Sibiya Environmental Science and Pollution Research 26, 7156-7163, 2019 | 35 | 2019 |
Occurrence, distribution and ecological risk assessment of organophosphorus flame retardants and plasticizers in sediment samples along the Vaal River catchment, South Africa TB Chokwe, JO Okonkwo Emerging contaminants 5, 173-178, 2019 | 29 | 2019 |
Concentrations and human exposure assessment of per and polyfluoroalkyl substances in farmed marine shellfish in South Africa OA Abafe, LR Macheka, OT Abafe, TB Chokwe Chemosphere 281, 130985, 2021 | 25 | 2021 |
Optimization and simultaneous determination of alkyl phenol ethoxylates and brominated flame retardants in water after SPE and heptafluorobutyric anhydride derivatization … TB Chokwe, JO Okonkwo, LL Sibali, EJ Ncube Chromatographia 75, 1165-1176, 2012 | 24 | 2012 |
An integrated method for the simultaneous determination of alkylphenol ethoxylates and brominated flame retardants in sewage sludge samples by ultrasonic-assisted extraction … TB Chokwe, JO Okonkwo, LL Sibali, EJ Ncube Microchemical Journal 123, 230-236, 2015 | 21 | 2015 |
Potential of valourized Moringa oleifera seed waste modified with activated carbon for toxic metals decontamination in conventional water treatment PR Sera, PN Diagboya, SO Akpotu, FM Mtunzi, TB Chokwe Bioresource Technology Reports 16, 100881, 2021 | 19 | 2021 |
Occurrence and distribution of tetrabromobisphenol A and its derivative in river sediments from Vaal River Catchment, South Africa TB Chokwe, JO Okonkwo, MS Nwamadi Emerging Contaminants 3 (3), 121-126, 2017 | 19 | 2017 |
Occurrence and distribution pattern of alkylphenol ethoxylates and brominated flame retardants in sediment samples from Vaal River, South Africa TB Chokwe, OJ Okonkwo, LL Sibali, SM Mporetji Bulletin of environmental contamination and toxicology 97, 353-358, 2016 | 17 | 2016 |
Legacy and novel brominated flame-retardants in different fish types from inland freshwaters of South Africa: levels, distribution and implications for human health TB Chokwe, E Krȕger, MN Magubane, OA Abafe, SM Mporetji, ... International Journal of Environmental Health Research 32 (2), 321-331, 2022 | 9 | 2022 |
Organophosphorus flame retardants in surface and effluent water samples from the Vaal River catchment, South Africa: levels and risk to aquatic life TB Chokwe, SM Mporetji Water sa 45 (3), 469-476, 2019 | 9 | 2019 |
Improved derivatization protocol for simultaneous determination of alkylphenol ethoxylates and brominated flame retardants followed by gas chromatography-mass spectrometry analyses TB Chokwe, JO Okonkwo, LL Sibali, EJ Ncube Water science and technology 69 (12), 2389-2396, 2014 | 9 | 2014 |
Non-targeted screening of emerging contaminants in South African surface and wastewater OA Abafe, MA Lawal, TB Chokwe Emerging Contaminants 9 (4), 100246, 2023 | 7 | 2023 |
Development and validation of a confirmatory method for the determination of stilbene estrogens in ostrich serum OA Abafe, PM Gatyeni, T Chokwe Food Additives & Contaminants: Part A 35 (3), 458-466, 2018 | 6 | 2018 |
Alkylphenols and alkylphenol ethoxylates in dust from homes, offices and computer laboratories: Implication for personal exposure via inadvertent dust ingestion OA Abafe, TB Chokwe, JO Okonkwo, BS Martincigh Emerging Contaminants 3 (4), 127-131, 2017 | 5 | 2017 |
Determination of alkylphenol ethoxylates (APEs) and alkylphenols (APs) in water and sediment from River Benue, North Central Nigeria SM Tongu, R Shaâ, OJ Okonkwo, IS Eneji, TB Chokwe, TA Tor-Anyiin Journal of Chemical Society of Nigeria 43 (2), 2018 | 4 | 2018 |
A review on the formation and remediations of polychlorinated dibenzo p-dioxins and dibenzo-furans (PCDD/Fs) during thermal processes with a focus on MSW process N Themba, LL Sibali, TB Chokwe Air Quality, Atmosphere & Health 16 (10), 2115-2132, 2023 | 3 | 2023 |
A simplified analytical procedure for simultaneous determination of alkylphenol ethoxylates and brominated flame retardants in fish tissue samples from Vaal River, South Africa. T Chokwe, J Okonkwo, L Sibali, E Kruger, H du Preez, R Hariram, ... Scientific Research Publishing, 2015 | 3 | 2015 |