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Browsing Research Articles (Chemistry) by Title
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Landman, Marile; Van der Westhuizen, Belinda; Bezuidenhout, Daniela Ina; Liles, David C.
(International Union of Crystallography, 2011)
The title compound, (C21H25N2)[ReO4], was formed as the
unexpected product in an attempted synthesis of a
rhenium(I)–N-heterocyclic carbene (NHC) complex. The
compound has crystallographic mirror symmetry with both
the ...
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Rademeyer, Melanie
(International Union of Crystallography, 2011)
Please read abstract in article.
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Cukrowski, Ignacy; Adeyinka, Adedapo S.; Liles, David C.
(International Union of Crystallography, 2012-07-02)
The asymmetric unit of the title salt C8H22N4
2+2C7H5O2
,
comprises two independent pairs of half a 2,2'-(piperazine-1,4-
diyl)diethanaminium dication plus a benzoate anion. The
dications are symmetrical and lie across ...
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Dubois, Robert J.; Landee, Christopher P.; Rademeyer, Melanie; Turnbull. Mark M.
(Taylor and Francis, 2018)
Please read abstract in the article.
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Cukrowski, Ignacy; Adeyinka, Adedapo S.; Liles, David C.
(International Union of Crystallography, 2012-07-02)
The asymmetric unit of the title salt, C6H20N4
2+ 2I , comprises
half a 3,6-diazaoctane-1,8-diaminium dication plus an I
anion. The dications are symmetrical and lie across crystallographic
centres of inversion. In ...
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Rademeyer, Melanie; Liles, David C.
(International Union of Crystallography, 2010)
A fundamental understanding of the role of oxyanion geometry on molecular packing and non-covalent interactions in salt crystal structures is central to the fields of both molecular recognition and crystal engineering. The ...
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Malan, F.P. (Frederick); Mansour, Ahmed M.; Manicum, Amanda-Lee E.
(International Union of Crystallography, 2023-08)
The crystal structure of the racemic title compound, C20H16Cl2N4 is described,
where the formation of a di-substituted 6,8-dichloro quinoxaline, containing two
stereogenic centres, is confirmed.
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Akpomie, Kovo G.; Ezeofor, Chidinma Christiana; Olikagu, Chisom S.; Odewole, Olufemi A.; Ezeorah, Chigozie J.
(Springer, 2018-12)
Chemical modification of montmorillonite though popular may be expensive and environmentally noxious and can result in secondary contamination. Therefore, there is a need for eco-friendly and efficient treatment techniques. ...
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Fouche, Gerda; Adenubi, Olubukola Tolulope; Leboho, Tlabo; McGaw, Lyndy Joy; Naidoo, Vinny; Wellington, Kevin W.; Eloff, Jacobus Nicolaas
(AOSIS OpenJournals, 2019-07-22)
Hot water and hydroethanolic (70:30) extracts were prepared from 15 plant species, which
were investigated to discover eco-friendly and less expensive tick control methods as an
alternative to synthetic acaricides. A ...
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Dehouche, Nadjet; Kaci, Mustapha; Focke, Walter Wilhelm; Van der Merwe, Liezel
(Wiley, 2022-08)
The effect of various clays nanofillers on the photo-oxidation of polyamide 11 (PA11) has been investigated by accelerated ultraviolet (UV) test up to 780 h. Organo-modified montmorillonite, halloysite nanotubes, and ...
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Olasunkanmi, Lukman O.; Idris, Aishat O.; Adewole, Adetola Henry; Wahab, Olaide O.; Ebenso, Eno E.
(Elsevier, 2020-12)
Experimental studies, supported by comprehensive density functional theory (DFT) and Monte Carlo simulation studies have been carried out on 2-(2-hydroxybenzylidene)hydrazinecarboxamide (SEMISCAD) and 2-((p-tolylimino)me ...
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Adeola, Adedapo Oluwasanu; De Lange, Jurgens Hendrik; Forbes, Patricia B.C.
(Elsevier, 2021-12)
The increasing concentrations of pharmaceutical and personal care products in water bodies have attracted attention due to the risk of non-target exposures. The application of any graphene-based material for the remediation ...
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Menkiti, Matthew Chukwudi; Aneke, Mathew Chidiebere; Ejikeme, Paul Madus; Onukwuli, Okechukwu Dominic; Menkiti, Nwasinachi Uzoma
(SpringerOpen, 2014-07)
Chrysophyllum albidium seed shell, an abundant, biodegradable and inexpensive natural resource was used as a
precursor to bioadsorbent production for the removal of suspended and dissolved particles (SDP) from ...
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Mphahlele, Malehlogonolo R.R.; Mosai, Alseno Kagiso; Tutu, Hlanganani; Kotze, Izak A.
(Royal Society of Chemistry, 2024-03)
Please read abstract in the article.
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Thatyana, Maxwell; Dube, Nondumiso P.; Kemboi, Douglas; Manicum, Amanda-Lee E.; Mokgalaka, Ntebogeng; Tembu, Jacqueline V.
(MDPI, 2023-09-22)
Nanoparticles and nanotechnology developments continue to advance the livelihood
of humankind. However, health challenges due to microorganisms and cancerous cells continue
to threaten many people’s lives globally. ...
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Adeola, Adedapo Oluwasanu; Forbes, Patricia B.C.
(Wiley, 2021-03)
In the last two decades, environmental experts have focused on the development of several biological, chemical, physical, and thermal methods/technologies for remediation of PAH-polluted water. Some of the findings have ...
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Wooding, Madelien; Dodgen, Tyren; Rohwer, Egmont Richard; Naude, Yvette
(Wiley, 2024-01)
High-resolution mass spectrometry and ion mobility spectrometry provide additional confidence in biological marker discovery and elucidation by adding additional peak capacity through physiochemical separation orthogonal ...
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Tabler, Andreas; Häusser, Anette; Roduner, Emil
(Elsevier, 2013-11)
Various Cu/HZSM5-zeolites were prepared and their catalytic properties were investigated by productanalysis via GC/MS chromatography in order to trace down the mechanism of the gas phase one-stepoxidation of benzene to ...
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Makonese, Tafadzwa; Forbes, Patricia B.C.; Mudau, Lorraine; Annegarn, Harold J.
(National Association for Clean Air, 2014)
A study carried out at the University of Pretoria characterised aerosol particle morphology of residential coal combustion smoke. The
general approach in this study was on individual particle conglomerations because the ...
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Van Vuuren, Estefan; Naude, Yvette
(South African Chemical Institute, 2019)
We introduce a compact mini-denuder air sampling device consisting of a regular gas chromatograph (GC) inlet liner for the
simultaneous concentration of separate airborne gaseous and particulate phases in a single-step. ...