Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Jan H. van der Westhuizen"'
Publikováno v:
SA Journal of Industrial Psychology, Vol 45, Iss 0, Pp e1-e17 (2019)
Orientation: Technology-based simulation exercises are popular assessment measures for the selection and development of human resources. Research purpose: The primary goal of this study was to investigate the construct validity of an electronic in-b
Externí odkaz:
https://doaj.org/article/47be37d062f0474e8a64a0e993538fa3
Autor:
Jan H. van der Westhuizen, David G. Reid, Melinda J. Duer, Susan L. Bonnet, Frederik H. Romer, Andrew P. Underwood, Nadine D. Senekal
Publikováno v:
Molecules, Vol 16, Iss 2, Pp 1240-1252 (2011)
Solid state 13C-NMR spectra of pure tannin powders from four different sources – mimosa, quebracho, chestnut and tara – are readily distinguishable from each other, both in pure commercial powder form, and in leather which they have been used to
Externí odkaz:
https://doaj.org/article/3900d0be653c4566b1067913d5bee668
Publikováno v:
Molecules, Vol 15, Iss 8, Pp 5196-5245 (2010)
Flavonoids and their photochemical transformations play an important role in biological processes in nature. Synthetic photochemistry allows access to molecules that cannot be obtained via more conventional methods. This review covers all published s
Externí odkaz:
https://doaj.org/article/35b6e2670aef4bd7be6e1ffc472d498d
Publikováno v:
SA Journal of Industrial Psychology, Volume: 45, Issue: 1, Pages: 1-17, Published: 2019
SA Journal of Industrial Psychology, Vol 45, Iss 0, Pp e1-e17 (2019)
SA Journal of Industrial Psychology, Vol 45, Iss 0, Pp e1-e17 (2019)
Orientation: Technology-based simulation exercises are popular assessment measures for the selection and development of human resources.Research purpose: The primary goal of this study was to investigate the construct validity of an electronic in-bas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8efa983090e670865cb05b8fdfb17216
https://doi.org/10.4102/sajip.v45i0.1582
https://doi.org/10.4102/sajip.v45i0.1582
Publikováno v:
Phytochemistry. 162
Wattle (Acacia mearnsii De Wild., Leguminosae) bark extract is used commercially to tan leather and manufacture adhesives. The extract is treated with sodium hydrogen sulfite (sulfited) to improve its tanning properties. These include reduced viscosi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::143cfc2fcfb131d0e7556d00c60bb96c
https://pubmed.ncbi.nlm.nih.gov/30884255
https://pubmed.ncbi.nlm.nih.gov/30884255
Autor:
Matthias Hamburger, Jan H. van der Westhuizen, Andrew Marston, Daneel Ferreira, Sandy van Vuuren, Pieter C. Zietsman, Maria De Mieri, Kun Du, Markus Neuburger
Publikováno v:
Journal of Natural Products. 78:2494-2504
Five labdane (1-5), an isolabdane (6), and five clerodane diterpenoids (7-11), were isolated from seeds, husks, and leaves of Colophospermum mopane. Compounds 1-3 and 6-9 are new, and their structures were elucidated by means of physical data analysi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::96b2b7d9c9d208230aa8a089cd7a6d6a
https://doi.org/10.1021/acs.jnatprod.5b00729
https://doi.org/10.1021/acs.jnatprod.5b00729
Autor:
Steffen Hering, Kun Du, Priyanka Saxena, Pieter C. Zietsman, Khanya V. Phungula, Jan H. van der Westhuizen, Maria De Mieri, Matthias Hamburger, Anke Wilhelm, Elmarie van Rensburg, Madalina Marina Hrubaru
Publikováno v:
Planta Medica. 81:1154-1162
The human ether-a-go-go-related gene channel is a voltage-activated K + channel involved in cardiac action potential. Its inhibition can lead to QT prolongation, and eventually to potentially fatal arrhythmia. Therefore, it is considered a primary an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d8b71a268e171bc065c21da6f4e39a3f
https://doi.org/10.1055/s-0035-1545929
https://doi.org/10.1055/s-0035-1545929
Autor:
M. Karim, Saad M. H. Ayuob, M. J. A. Abualreish, Himat M. A. Fadul, Jan H. Van Der Westhuizen Van Der Westhuizen, Anwar E. M. Noreljaleel
Publikováno v:
International Research Journal of Pure and Applied Chemistry. 5:106-112
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2297dfdd602762a16450836f072f9e7f
https://doi.org/10.9734/irjpac/2015/13111
https://doi.org/10.9734/irjpac/2015/13111
Autor:
Jan H. van der Westhuizen, Joop T. V. M. de Jong, Charlotte I.E.A. van’t Klooster, Talkmore Ngarivhume
Publikováno v:
Journal of Ethnopharmacology, 159, 224-237. Elsevier
Ethnopharmacological relevance: Because about 50% of the Zimbabwean population is at risk of contracting malaria each year, the majority of people, especially in rural areas, use traditional plant-based medicines to combat malaria. This explorative e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ba27b054ccf95c4f6080e6a80a3b74bb
https://doi.org/10.1016/j.jep.2014.11.011
https://doi.org/10.1016/j.jep.2014.11.011
Autor:
Jan H. van der Westhuizen, Eutrophe Le Doux Kamto, Dominique Serge Bikobo Ngono, Alex de Théodore Atchadé, Joséphine Ngo Mbing, Dieudonné Emmanuel Pegnyemb
Publikováno v:
Phytochemistry Letters. 10:lxxvi-lxxxi
Two new compounds, an aromatic amide C -glycoside, 4- C - β -D-glucopyranosyl-3,5-dihydroxy-2-methoxybenzamide ( 1 ) and a cyclitol derivative, 4- O -caffeoyl-2- C -methoxycarbonyl-1- C -methyl-2,3,6-trihydroxycyclohexanecarboxylic acid ( 2 ), were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0211f0f5303d137ab63fa0e6ab540e5b
https://doi.org/10.1016/j.phytol.2014.09.008
https://doi.org/10.1016/j.phytol.2014.09.008