Now showing items 131-136 of 136
The presentation and interpretation of arrow symbolism in biology diagrams at secondary-level.
The literature contains conflicting ideas about the effectiveness of diagrams, and their constituent symbolism as teaching and learning tools. In addition, only limited research has been specifically conducted on the ...
The development of assays for atractyloside and its localisation in rat tissue.
An extract of the tuber of Callilepis laureola is regarded as the source of a powerful therapeutic agent, known as Impila. Its use is associated with fatal hepatic and renal necrosis, the renal toxin being atractyloside ...
A study of the proteinase, cathepsin L, in the context of tumour invasion.
The proteinase, cathepsin L, has been strongly implicated in the processes of tumour invasion and metastasis. A new purification method, three-phase partitioning, characterised in terms of the parameters which affected its ...
Induction of auto-antibodies to Cathepsin B.
Because tumours are comprised of "self" cells and antigens, they escape recognition by the immune system, which discriminates between "self" and "non-self". One such antigen is cathepsin B, a lysosomal cysteine proteinase, ...
Antioxidative and antidiabetic effects of some African medicinal plants.
Three (3) medicinal plants [Aframomum melegueta K. Schum., Xylopia aethiopica (Dunal.) A. Rich. and Capsicum annuum L.] were selected based on their traditional uses in the treatment of diabetes in Africa. Various crude ...
Investigation of anti-diabetic properties of Psidium guajava leaf in streptozocin induced diabetic rats.
Diabetes mellitus results in chronic hyperglycaemia, leading to defects in carbohydrate, fat and protein metabolism. Diabetes mellitus is also linked with elevated plasma cholesterol and triglyceride levels, which may ...