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Institution

University of Johannesburg

EducationJohannesburg, South Africa
About: University of Johannesburg is a education organization based out in Johannesburg, South Africa. It is known for research contribution in the topics: Population & Tourism. The organization has 8070 authors who have published 22749 publications receiving 329408 citations. The organization is also known as: UJ.


Papers
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Journal ArticleDOI
TL;DR: In this paper, the abstract of the full text item is extracted from the publisher's website and the abstract is used to obtain a full text version of the abstract for the full article.
Abstract: Copyright: 2016 Wiley. Due to copyright restrictions, the attached PDF file only contains the abstract of the full text item. For access to the full text item, kindly consult the publisher's website.

105 citations

Journal ArticleDOI
TL;DR: In this paper, cross-linked nanoporous polymers that have been copoly-merized with previously functionalized carbon nanotubes were used to remove organic contaminants from water.
Abstract: Some organic compounds are major water pol- lutants. They can be toxic or carcinogenic even at low con- centrations. Current technologies, however, fail to remove these contaminants to parts per billion (ppb) levels. Here we report on the removal of organic pollutants from water using cross-linked nanoporous polymers that have been copoly- merized with previously functionalized carbon nanotubes. These novel polymers can remove model organic species such as p-nitrophenol by as much as 99% from a 10 mg/L spiked water sample compared to granular activated carbon and native cyclodextrin polymer that removed only 47 and 58%, respectively. These polymers have also demonstrated the ability to remove trichloroethylene (10 mg/L spiked sam- ple) to non-detectable levels (detection limit <0.01 ppb) compared to 55 and 70% for activated carbon and native cyclodextrin polymers, respectively.

105 citations

Journal ArticleDOI
TL;DR: In this paper, the authors reported new uranium-lead (U-Pb) radiometric ages obtained from sheets of calcium carbonate flowstone interbedded between clastic cave sediments at the site of Swartkrans, providing bracketing ages for the fossiliferous deposits.

105 citations

Journal ArticleDOI
TL;DR: In this paper, carbon isotope values of carbonate and organic matter in carbonates and shales of the Silverton Formation, South Africa and in the correlative Sengoma Argillite Formation, near the border in Botswana were determined.

105 citations

Journal ArticleDOI
TL;DR: The adsorption kinetics of the composite materials fitted well with the pseudo second-order kinetic model while the adsorptive data could be well described by the Langmuir isotherm model.

104 citations


Authors

Showing all 8414 results

NameH-indexPapersCitations
Vinod Kumar Gupta16571383484
Arnold B. Bakker135506103778
Trevor Vickey12887376664
Ketevi Assamagan12893477061
Diego Casadei12373369665
Michael R. Hamblin11789959533
E. Castaneda-Miranda11754556349
Xiaoming Li113193272445
Katharine Leney10845952547
M. Aurousseau10340344230
Mika Sillanpää96101944260
Sahal Yacoob8940825338
Evangelia Demerouti8523649228
Lehana Thabane8599436620
Sahal Yacoob8439935059
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Performance
Metrics
No. of papers from the Institution in previous years
YearPapers
2023196
2022526
20213,152
20202,933
20192,706
20182,150