TUTDoR

Okonkwo, J. O.

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Date: 2015/07/06
Language: en
Type: Text
Identifier: tut:2906
Description: In this study leachate and sediment samples were collected from six municipal solid waste landfill sites across Gauteng Province in South Africa to determine the levels of 2-ethylhexyl 2,3,4,5 tetrabro ... More
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Date: 2015/07/01
Language: en
Type: Text
Identifier: tut:2900
Description: Generally, a major route of alkylphenol ethoxylates (APEs) and brominated flame retardants (BFRs) to enter the environment is via the wastewater treatment works (WWTW) facilities. Consequently, the lev ... More
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Date: 2015/06/13
Subject: Indoor dust | PBDEs
Language: en
Type: Text
Identifier: tut:2935
Description: Information on polybrominated diphenyl ethers (PBDEs) in the indoor environment in developing countries is still relatively scarce. In this study, house (n¼10) and office (n¼11) dusts samples collected ... More
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Date: 2015/06/03
Language: en
Type: Text
Identifier: tut:2899
Description: In the present study, the levels of polybrominated diphenyl ethers in car dust samples collected from 12 random-ly selected cars in Nigeria were measured, and the daily intake via dust ingestion were ... More
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Date: 2015/03/20
Language: en
Type: Text
Identifier: tut:3218
Description: Alkylphenol ethoxylates (APEs) and brominated flame retardants (BFRs) are known to be bio-accumulative, persistent, and endocrine disruptors and can cause adverse health effects in animals and humans. ... More
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Date: 2015/01/11
Language: en
Type: Text
Identifier: tut:2934
Description: In this study, wild hatched eggshells were collected from the nests of threatened Wattled Crane and South Ground-Hornbill in an attempt to determine their total Hg concentrations. A total of fourteen ... More
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Date: 2014/12/12
Language: en
Type: Text
Identifier: tut:3191
Description: An electrochemical sensor for oxidation of triclosan at a nano-zinc oxide-multiwalled carbon nanotube (nZnO–MWCNT) composite modified glassy carbon (GC) electrode was examined by cyclic voltammetry (CV ... More
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Date: 2014/10/17
Language: en
Type: Text
Identifier: tut:3217
Description: The determination and remediation of three pheno- lic compounds bisphenol A (BPA), ortho-nitrophenol (o- NTP), parachlorophenol (PCP) in wastewater is reported. The analysis of these molecules in wast ... More
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Date: 2014/09/11
Subject: PBDEs | Eggshell
Language: en
Type: Text
Identifier: tut:2928
Description: This study was undertaken to assess the levels of eight PBDE congeners, namely: PBDE-17, 47, 100, 99, 154, 153, 183 and 209 in eggshells of Southern Ground-Hornbill (SGH) Bucorvus leadbeateri and Watt ... More
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Date: 2014/08/12
Language: en
Type: Text
Identifier: tut:3216
Description: Polybrominated diphenyl ethers (PBDEs) are known to be persistent, endocrine disruptors and bioaccumulative and can cause adverse health effects in ani- mals and humans. In this study, river and landf ... More
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Date: 2012-06-01
Type: Text
Identifier: tut:1422
Description: The concentration of mercury vapour in ambient air is routinely determined using specialised instruments. As an economical alternative, actively pumped Hopcalite sorbent tubes can be used to trap atmo ... More
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Date: 2010-04-18
Type: Text
Identifier: tut:1604
Description: The environmental impact of mining and other industrial activities on land and water quality can affect human health as well as disturb the ecological system (Chang, 1996). Consequently, over the last ... More
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Date: 2010-04-13
Type: Text
Identifier: tut:1607
Description: Copper is a widely used metal which is also an essential micronutrient for human life. This metal, however, can be toxic to humans in high concentrations. The mining of copper has resulted in the cont ... More
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Date: 2010-04-13
Type: Text
Identifier: tut:1606
Description: The last few decades have seen dramatic growth in the scale of production and the use of polybrominated diphenyl ethers (PBDEs) as flame retardants. Consequently, PBDEs such as BDE-47, BDE-99 and BDE- ... More
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Date: 2009-04-09
Type: Text
Identifier: tut:1577
Description: Surface water and sediment samples collected from Jukskei River in South Africa, were subjected to different extraction techniques, liquid–liquid (LLE), solidphase extraction (SPE), activated carbon e ... More
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