Vol 32, No 1 (2013)

Table of Contents

Original Research

Josef J. De Beer, Elizabeth Henning
9 bladsye
Ansie Dippenaar-Schoeman, Almie van den Berg, Robin Lyle, Charles Haddad, Stefan Foord, Leon Lotz
7 bladsye
Andries C. Hauptfleisch
8 bladsye
Francois P. Retief, Andr� Wessels, Johan F.G. Cilliers
4 bladsye
Danie F.M. Strauss
8 bladsye
Sanet Janse van Vuuren, Annelie Swanepoel, Germarie van Zyl
10 bladsye
Annalie Roux
9 bladsye
Pieter le Roux, Ordino Kok, Hennie Butler
5 bladsye
Piet Ankiewicz
9 bladsye
Melissa Andriessen, Madeleen Struwig, Stefan J. Siebert
5 bladsye
Francois P. Retief, Louise Cilliers
4 bladsye
Willie J. van Aardt
3 bladsye
Piet Ankiewicz
9 bladsye
Louise Cilliers, Francois P. Retief
4 bladsye
John J. Barnard
7 bladsye
Kenn� N. de Kock, Cornelius T. Wolmarans, Mathilde Kemp, Wietsche Roets
6 bladsye
Adriaan J. Reinecke, Sophie A. Reinecke
11 bladsye

Original Research: Food

Surette van Staden
7 bladsye
Johanna G. Ferreira
5 bladsye
Peet du Toit, Lee-Anne Naicker, Evangeline Nortje, Michael Kleynhans, Ron�l Ferreira, Gerda Gericke
6 bladsye
Josef J. De Beer, Ben-Erik Van Wyk
6 bladsye
Eric Eberlein
9 bladsye
Peet Du Toit, Paola Wood, Catherina C. Grant, Evangeline Nortje, Michael Kleynhans, Lizelle Fletcher, Pieter E. Kr�ger, Annie M. Joubert, Justin J. Kennedy, Ron�l Ferreira, Abert van Schoor, Fourie Joubert, Gerda Gericke
7 bladsye
Peet Du Toit, Lee-Anne Naicker, Evangeline Nortje, Michael Kleynhans, Ron�l Ferreira, Gerda Gericke
13 bladsye
Ronel Ferreira, William J. Fraser, Karien Botha, Elzaan Cook, Peet J. du Toit, Gerda Gericke
8 bladsye
Lesley le Grange
7 bladsye

Original Research: Mathematics Education

A. Barbara Posthuma, Jacobus G. Maree, Gerrit Stols
9 bladsye
Jacobus G. Maree
10 bladsye
Renette J. Blignaut, Retha Luus, Ronell Lombard, Abduraghiem Latief, Danelle Kotze
7 bladsye
Rian De Villiers, William J. Fraser
9 bladsye
Petro Erasmus
10 bladsye

Reviewer Acknowledgements

Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie Volume 32, Nommer 1
Redaksionele Kantoor
PDF
1 bladsy
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie Volume 32, Nommer 1
Redaksionele Kantoor
PDF
1 bladsy

Conference Abstract: Studentesimposium in die Natuurwetenskappe 2011

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A system for biometric authentication in online banking
Frans F. Blauw, Sebastiaan H. von Solms
2 bladsye
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Investigating the use of proper orthogonal decomposition to determine intra-ocular pressure
Natasha Botha, Schalk Kok, Helen Inglis
1 bladsy
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Measuring the effect of surface evaporation on the segregation process
Shaun Cronj�, W. D. Roos, R. E. Kroon, J. K.O. Asante
1 bladsy
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Local knowledge of insect pests and the management thereof by small-scale rooibos tea farmers in the Cederberg Mountains, South Africa.
Samantha de la Fontaine, R. R. Malgas
1 bladsy
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Photon degradation of Alq3 powder.
Mart-Mari Duvenhage, O. M. Ntwaeaborwa, H. C. Swart
1 bladsy
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Electronic properties of Mn(acac)3 complex: A cyclic voltammetry and computational chemistry study
Roxanne Freitag, Jeanet Conradie
2 bladsy
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The combination of fisiological and tradisional user test techniques to evaluate social networks on various technological platforms
Francois Greeff, Lizette de Wet
1 bladsy
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Synthesis of the C(1)�C(7) fragment of the HO-FC1 and ISO-FC1 fumonisin toxins
Chantal Hefti
1 bladsy
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Influence of skin colour on laser penetration
Aletta E. Karsten
1 bladsy
Ivan Henrico
1 bladsy
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Studying possible platinum group element nanostructures in monosulphide systems by means of synthetic sulphide melts.
Bianca Kennedy
1 bladsy
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Mineralogiese studie en vloeistofevolusie van die Noumas-pegmatiete, Noord-Kaap, Suid Afrika
Nequita MacDonald
1 bladsy
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Arduino and MATLAB make scientific contact
Jacques Maritz
1 bladsy
Victoria Rautenbach
1 bladsy
Pieter Snyman, A. Stephen Steyn
1 bladsy
Mauritz van den Worm
1 bladsy
Ryno van der Merwe
1 bladsy
Michael Vorster
1 bladsy
Claudia Zander
1 bladsy

Conference Abstract: Annual Congress of the Biological Sciences Division 2010

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Histologieal assessment of the main visceral organs of Sternophysinx filaris and Sternophysinx calceola (Crustacea: Amphipoda)
B. Bester, P.E. de Lange-Jacobs
1 page
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In vitro effects of polyunsaturated fatty acids on osteoclast formation and bone resorption in RAW 264.7 murine monocytes
J.E.A. Boeyens, W-H. Ehua, M.E. Kruger, A.M. Joubert, M. Coetzee
1 page
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Massavrekte van Nylkrokodille (Crocodylus niloticus) in die Nasionale Kruger Wildtuin, Suid-Afrika
P.L. Booyens, H. Bouwman, R. Pieters, D. Pienaar, D. Govender
1 page
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Seleksie en karakterisering van rhizobiumrasse vir wortelknopvorming en voortplanting van weidingspeulgewasse
F.L. Bopape, A.I. Hassen
1 page
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�n Histologiesgebaseerde visgesondheidstudie op Clarias gariepinus in die Hartebeespoortdam met �n fokus op voortplanting
T.L. Botha, G.M. Pieterse, I.E.J. Barnhoorn, J.E. van Dyk, M.J. Marchand
1 page
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Scanning electron microscopic study of eriophyoid mite (Acari: Eriophyoidea) morphology.
C. Craemer
1 page
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The South African National Survey of Arachnida (SANSA): A wealth of information now available
A.S. Dippenaar-Schoeman, C. Haddad
1 page
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A patient journey of understanding � Navigating the avenues of assisted reproductive technologies: Three case studies
K. Ferreira, L. Grant, C. Huyser
1 page
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Sperm purification for the removal of bacteria, HIV-1 RNA and proviral DNA from human semen
J.M. Fourie, N.M. Loskutoff, C. Huyser
2 pages
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Soil microbial community dynamies in the Zeekoegat Conservation Agriculture trial, Roodeplaat
J. Habig
2 pages
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The association between body mass index and mood state
J.E. Harvey, E.O. Govender, P. Du Toit, R. Grant
1 page
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Prevention of infections in an assisted reproduction laboratory in a developing country
C. Huyser, J.M. Fourie
1 page
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Disturbed sleep and quality of life in female Fibromyalgia patients
F.M. Hoosen, E. Govender, H.P. Meyer
1 page
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Nematodes of the Bakwena Cave in Irene, South Africa
E. Jansen van Rensburg, A. Swart, W. Decraemer, W. Bert, J.F. Durand
2 pages
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Determining the algal composition along a pollution gradient in the Vaal River
L. Knoetze, N. Olivier, S. Janse van Vuuren
1 page
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Observations on the pathology of Ergasilus (Crustacea: Copepoda) from Lake Tanganyika on the gills of Lamprichtys tanganicanus
E. Kilian, A. Avenant-Oldewage
1 page
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Diversity-wonder of the world of Mushrooms
S.H. Koch
1 page
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Wellness testing on recruits to determine current state of wellbeing
J. Lawson, M. Kleynhans, E. Grobbelaar, P.J. du Toit
1 page
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A study of the endemic trapdoor spider genus Ctenolophus Purcell, 1904 (Araneae: Idiopidae) from southern Africa
R. Lyle, A. S. Dippenaar-Sehoeman
1 page
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Evaluation of a maximum entropy geographic distribution model: A case study of the Philoliche aethiopica species complex (Diptera: Tabanidae) in South Africa
P. Maharaj, B. Muller
2 pages
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The South African Plant-Parasitic Nematode Survey: A snap shot of the last 23 years
M. Marais, A. Swart
1 page
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The South African National Collection of Arachnida: Documenting South Africa�s Arachnida biodiversity.
P. Marais, A. S. Dippenaar-Sehoeman
1 page
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2-Methoxyestradiol-3,17,0,0-bis-sulfamate (2MEBM) induces two types of cell death in a cervical adenocarcinoma cell line
S. Marais, B. A. Stander, A. M. Joubert
1 page
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Sulphur dioxide contamination and drought lead to reduced PSII-activity and CO2 assimilation in maize plants (Zea mays)
M. M. Minnaar, R. J. Strasser, G. H.J. Kruger
1 page
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Effect of ozone on photosynthesis and seed yield of sensitive (S156) and resistant (R123) Phaseolus vulgaris L. genotypes in open-top chambers
C. C.W. Scheepers, R. J. Strasser, G. H.J. Kruger
1 page
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A semi-quantitative histological assessment of selected organs from two Cichlid species from the Phongolo River, Kwazulu-Natal
A. Mooney, J. E. van Dyk, N. J. Smit
1 page
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In vitro evaluation of 2-methoxyestradiol-bis-sulphamate on cell growth, morphology, cell cycle progression and possible induction of types of cell death in an oesophageal carcinoma (sno) cell line
T. V. Mqoco, S. Marais, A. M. Joubert
1 page
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Does sexual selection explain the courtship song of field crickets (Gryllus bimaculatus)?
A. Prins, L. Verburgt, J. W.H. Ferguson
2 pages
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Invasive Harmonia axyridis (Coleoptera: Coccinellidae) in southern Africa
R. Stals
2 pages
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In vitro effects of a new and novel antimitotic compound in human breast adenocarcinoma metastatic epithelial cells
B. A. Stander, F. Joubert, A. M. Joubert
1 page
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In vitro evaluation of a novel antimitotic estradiol analog and dichloroacetic acid on breast adenocarcinoma and breast non-tumorigenic cells
X. X. Stander, A. Stander, F. Joubert, A. Joubert
1 page
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Comparison of the nine-point Beighton hypermobility score between males and females
H. C. Terblanche, M. Kleynhans, C. Janse van Rensburg, P. J. du Toit
1 page
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A new Globodera cyst nematode from South Africa (Tylenchida: Heteroderidae)
A. Swart, R. Knoetze, L. R. Tiedt
1 page
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Nematodes associated with the Natal long-fingered bat (Miniopterus natalensis) colony in Bakwena Cave, Gauteng
J-L. Szamosvari, J. F. Durand
1 page
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Biopsy techniques in fish health research
M. Tresise, J. E. van Dyk, L. Mokae, G. M. Pieterse
1 page
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Comparison of several parameters of sports vision tests between male and female recruits in the armed services
A. Tsotetsi, P. du Toit, P. Soma
1 page
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Tetranychus urticae and Tetranychus cinnabarinus: Synonymous or not?
E. A. Ueckermann, M. Navajas, P. Auger, A. Migeon, L. R. Tiedt, D. Yanar
1 page
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The use of a tissue culture line to determine the estrogen-active substances in municipal water of Potchefstroom in the North West Province
A. van Gessellen, R. Pieters
1 page
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Spider diversity of the Kalahari: Adaptation to survive
A. M. van den Berg, A. S. Dippenaar-Sehoeman
1 page
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The effect of Meloidogyne incognita (Nematoda), on lipoxygenase and peroxidase activity in soybean leaves
C. Venter, J. M. Berner, H. Fourie
1 page
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Evaluation of the cancer specificity of intracellular events caused by 2-methoxyestradiol-bis-sulphamate and aqueous Sutherlandia frutescens extracts
C.J.J. Vorster, A. M. Joubert
1 page
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Soil ecological risk assessments of selected South African soils and derivation of soil quality standards
J.J. Wahl, M. S. Maboeta, H. J.P. Eijsackers, L. van Rensburg
2 pages
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Water quality in the Mooi River system: A comparative study
D. H. Bomman, J. J.P. Lubbe, S. Barnard
1 page
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The influence of seed coatings on the activities of ?-amylase, lipoxygenase and peroxidase on the germination of gras seeds
M. Botha, J. M. Berner, M. Westcott, K. Kellner
1 page
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The identification and verification of optimal re-introduction sites for the southern ground hornbill in the Limpopo Province, South Africa
H. C. Coetzee, D. Cilliers, F. Jerling, L. van Rensburg
1 page
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Calvatia Fr. (Fungi, Lycoperdaceae) in southern Africa: 50 Years after Bottomley
J. C. Coetzee, A. E. van Wyk
2 pages
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Decline in the photosynthetic capability of wheat plants after fumigation with SO2 in open-top chambers
J. du Plessis, L. Henning, J. M. Berner
1 page
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Identification of phenolic acids in wheat plants after fumigation with SO2 in open-top chambers (OTCs)
B. Durand, J. M. Berner
1 page
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Comparing the Cardio Stress Index of a training population with University students.
E. Henning, M. Kleynhans, N. de Villiers, P. J. du Toit
1 page
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Identification of a cyanoprocaryote using a poliphasic approach
E. Heystek, N. J.J. Niemand, S. Bamard
1 page
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Effects of cold stress and the recovery thereafter on soybean (Glycine max) plants
E. Kriel, M. de Beer, M. M. Minaar, C. C.W. Scheepers
1 page
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An evaluation of embryo characteristic score to select the most favorable embryo for transfer
P. Maharaj, C. Huyser
1 page
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The effect of sports vision exercises on the visual skills of university students
A. F. Mahomed, M. Kleynhans, C. Govender, P. J. du Toit
1 page
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The genus Helicotylenchus in the Grassland Biome of South Africa
M. Marais, A. Swart, A. S. Schoeman, L. R. Tiedt
1 page
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Comparing visual skills in sedentary and active work environments
L. Naicker, P. J. du Toit, M. Kleynhans, E. Kruger
1 page
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Ex situ monitoring of Frithia humilis Burgoyne: A control study for a translocation project
T. Orlekowsky, J. Viviers, E. Kruger, S.J. Siebert
1 page
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Structural damage caused by SO2, on leaves of wheat (Triticum aestivum)
K. J. Radojevic, E. P.J. Kleynhans, A. Jordaan
1 page
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Termite eating spiders of the Cedarberg Wilderness Area (Araneae: Ammoxenidae).
S. L. Seshothela, A. S. Dippenaar-Schoeman, T. Bird
1 page
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Histology as a biomarker to determine the effect of pollution on two fish species from the Hartebeespoort Dam: Prelimanary results
N. N. Sikhakhane, J. C. van Dyk, G. M. Pieterse
1 page
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Induction of the phenylpropanoid pathway in wheat plants after fumigation with SO2 in open-top chambers (OTCs)
L. Snyders, J. M. Berner
1 page
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The first arachnid survey from the North-West Province: The Kgaswane Mountain Reserve
A. van den Berg, A. S. Dippenaar-Schoeman, S. Mathebula
1 page
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In vitro cell signaling events of 2-methoxyestradiol-bis-sulphamate in a breast adenocarcinoma- and a non-tumorigenic breast epithelial cell line
M. H. Visagie, A. M. Joubert
1 page
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Nano-calciumphosphate generation with novel surface and chemical features for improvement of cell activity in bone repair and replacement
I. Wepener, W. Richter, A. Joubert
1 page