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eprints.ru.ac.za 檢索結果共 4125 筆,本頁資料從第 133 筆到第 144 筆

This inaugural lecture is in two parts: each related to a different nexus of the four types of scholarly activity. The first reflects on my career and is an examination of how I have developed as a teacher and learner. The key scholarly activities being discovery, integration and teaching. The second part reflects on the evolution of my research interests and leads up t....

By R.C. Fox----2003-08-06
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By C.A. Lewis----2003-05-23
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The effects of solvents on the singlet oxygen, photobleaching and fluorescence quantum yields for zinc phthalocyanine (ZnPc) and its derivatives; (pyridino)zinc phthalocyanine ((py)ZnPc), zinc octaphenoxyphthalocyanine (ZnOPPc) and zinc octaestronephthalocyanine (ZnOEPc), is presented. The effects of the solvents on the ground state spectra are also discussed. The large....

By A. Ogunsipe,D. Maree,T. Nyokong----2003-05-13
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By C.A. Lewis----2003-04-25
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Murine stress-inducible protein 1 (mSTI1) is a co-chaperone that is homologous with the human Hsp70/Hsp90-organizing protein (Hop). Guided by Hop structural data and sequence alignment analyses, we have used site-directed mutagenesis, co-precipitation assays, circular dichroism spectroscopy, steady-state fluorescence, and surface plasmon resonance spectroscopy to both q....

By O.O. Odunuga,J.A. Hornby,C. Bies,R. Zimmerman,D.J. Pugh,G.L. Blatch----2003-02-28
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The Insizwa sill, is a 25-km-diameter, >1000-m-thick layered mafic intrusion, part of the Karoo Igneous Province in South Africa. The peridotitic and gabbronoritic rocks are undeformed and mineral fabrics demonstrably result from magma flow. A horizontal, centimeter-scale model layering is visible in numerous outcrops. Plagioclase crystals are both tabular and elongated....

By E.C. Ferré,C. Bordarier,J.S. Marsh----2002-08-30
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By C.A. Lewis----2002-08-30
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By C.A. Lewis----2002-08-09
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In sharp contrast to the debates concerning land policy, land tenure and sustainable resource management in South Africa is any input concerning the geographical distribution of land productivity. This paper attempts to redress this imbalance by providing an empirical investigation of land potential in South Africa. In this way we intend to provide the crucial context f....

By R.C. Fox,Kate Rowntree----2002-08-06
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By C.A. Lewis----2002-08-02
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Recently, the homolog of yeast protein Sec63p was identified in dog pancreas microsomes. This pancreatic DnaJ-like protein was shown to be an abundant protein, interacting with both the Sec61p complex and lumenal DnaK-like proteins, such as BiP. The pancreatic endoplasmic reticulum contains a second DnaJ-like membrane protein, which had been termed Mtj1p in mouse. Mtj1p....

By J. Dudek,J. Volkmer,C. Bies,A. Müller,M. Lerner,P. Feick,K.H. Schäfer,E. Mor----2002-06-17
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By C.A. Lewis----2002-06-07
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