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Rhodes eResearch Repository (2,508 recursos)
Repository of the academic and research output of the Rhodes University community.

Mostrando recursos 21 - 40 de 552

21. A yellowwood by any other name: molecular systematics and the taxonomy of Podocarpus and the Podocarpaceae in southern Africa - Barker, N.P.; Muller, E.M.; Mill, R.R.
In particular, molecular data support the recognition of Afrocarpus as distinct from Podocarpus.

22. Mycorrhizal status of indigenous tree species in a forest biome of the Eastern Cape, South Africa - Hawley, Greer L.; Dames, Joanna F.
Mycorrhizal fungi are intimately associated with plant roots, affecting plant growth, health and increasing the plants' tolerance to environmental stress.

23. Three decades of hydrological modelling research in South Africa - Hughes, D.A.
The focus is on deterministic, rainfall-runoff models and addresses issues related to model design as well as to the application of models in practice.

24. The development of a toxicity database using freshwater macroinvertebrates, and its application to the protection of South African water resources - Palmer, C.G.; Muller, W.J.; Gordon, A.K.; Scherman, P-A.; Davies-Coleman, H.D.; Pakhomova, L.; De Kock, E.
In both cases toxicity test results are the core data used.

25. Livelihood benefits from the local level commercialization of savanna resources: a case study of the new and expanding trade in marula (Sclerocarya birrea) beer in Bushbuckridge, South Africa - Shackleton, Sheona Elizabeth
One product that has recently entered into local commercial markets is a traditional alcoholic beverage brewed from the fruits of Sclerocarya birrea (marula), commonly known as marula beer.

26. The importance of non-timber forest products in rural livelihood security and as safety nets: a review of evidence from South Africa - Shackleton, C.M. (Charles Michael); Shackleton, Sheona Elizabeth
The most commonly used such products are wild spinaches, fuelwood, wooden utensils edible fruits, grass hand-brushes, and twig hand-brushes, used by 85% or more of households.

27. Molecular chaperones in biology, medicine and protein biotechnology - Boshoff, A.; Nicoll, W.S.; Hennessy, F.; Ludewig, M.; Daniel, S.; Modisakeng, K.W.; Shonhai, A.; McNamara, C.; Bradley, G.; Blatch, Gregory L.
Molecular chaperones consist of several highly conserved families of proteins, many of which consist of heat shock proteins.

28. The use of a quartz crystal microbalance with dissipation for the measurement of protein–protein interactions: a qualitative and quantitative analysis of the interactions between molecular chaperones - Limson, Janice; Odunuga, Odutayo O.; Green, Hans; Höök, Fredrik; Blatch, Gregory L.
Biotechnology research and innovation depends on the ability to understand the molecular mechanisms of biological processes such as protein–protein and protein–ligand interactions.

29. Isolation of genes encoding heat shock protein 70 (hsp70s) from the coelacanth, Latimeria chalumnae - Modisakeng, Keoagile W.; Dorrington, Rosemary A.; Blatch, Gregory L.
We are interested in determining if the genome of the coelacanth (Latimeria chalumnae) encodes a heat shock protein-based cytoprotection mechanism.

30. Pictograms for conveying medicine instructions: comprehension in various South African language groups - Dowse, R.; Ehlers, M.
In cases where low literacy constitutes a possible barrier to understanding written medicine information fully, the inclusion of pictograms may facilitate comprehension.

31. An indirect method to assess the energy expenditure of manual labourers in situ - Scott, P.A.; Christie, C.J.
It is therefore desirable that in a developing country such as South Africa we have some basic, yet valid and usable means of measuring worker responses to physically demanding manual tasks.

32. The Baylis-Hillman entrée to heterocyclic systems — the Rhodes contribution - Kaye, P.T.
This review focuses on applications of the Baylis-Hillman reaction in the synthesis of various heterocyclic products, which include indolizines, chromenes, thiochromenes, coumarins and quinolines.

33. Science after a century at Rhodes University - Woods, D.R.

34. Role of percutaneous penetration enhancers - Walker, R.B.; Smith, E.W.
Elucidation of the biochemical composition and functioning of the intrinsic diffusional barrier of the stratum corneum has prompted investigation of chemical and physical means of enhancing the percutaneous penetration of poorly absorbed drugs.

35. Procedural meanings of "well" in a corpus of Xhosa English - De Klerk, Vivian A.
This article explores the use of the pragmatic marker well in a large corpus of the discourse of non-mother tongue speakers of Xhosa English, which is a sub-variety of Black South African English.

36. Ten years of marine natural products research at Rhodes University - Davies-Coleman, Michael T.; Beukes, Denzil R.
Marine invertebrates, algae and microorganisms produce a plethora of structurally unique and biologically active secondary metabolites.

37. The sound patterns of English nicknames - De Klerk, Vivian A.; Bosch, B.
Because nicknames are relatively impermanent informal names which allow users considerable linguistic licence in breaking the rules, this study analyses the phonological patterns of English nicknames in order to test the validity of the claims which have been made about English phonological preferences in general and specifically in names and favoured words.

38. Phylogeny, biogeography, and the evolution of life-history traits in Leucadendron (Proteaceae) - Barker, N.P.; Vanderpoorten, A.; Morton, C.M.; Rourke, J.P.
Leucadendron is a moderately large genus of Proteaceae almost entirely restricted to the Cape Floristic Region of southern Africa.

39. Synthesis and electrochemical characterisation of benzyl mercapto and dodecylmercapto tetra substituted cobalt, iron, and zinc phthalocyanines complexes - Nyokong, Tebello; Ozoemena, Kenneth; Agboola, Bolade
The processes for FePc derivatives (6a) are assigned to FeIIIPc-1/FeIIIPc-2, FeIIIPc-2/FeIIPc-2, FeIIPc-2/FeIPc-2, FeIPc-2/FeIPc-3 and FeIPc-3/FeIPc-4 and for the CoPc derivative (5a) to CoIIIPc-1/CoIIIPc-2, CoIIIPc-2/CoIIPc-2, CoIIPc-2/CoIPc-2 and CoIPc-2/CoIPc-3.

40. Ameliorating poverty in South Africa through natural resource commercialisation - Shackleton, Sheona Elizabeth
This short policy brief advocates for more attention to be paid to the potential of natural resource commercialisation as a means to livelihood security and poverty alleviation in rural South Africa.

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