Given a real-analytic manifold M, a compact connected Lie group G and a principal G-bundle P ! M, there is a canonicaìgeneralized measure' on the space A=G of smooth connections on P modulo gauge transformations. This allows one to deene a Hilbert space L 2 (A=G). Here we construct a set of vectors spanning L 2 (A=G). These vectors are described in terms of`spin networks': graphs embedded in M,...

The transport of cytoplasmically synthesized mitochondrial proteins was investigated in whole cells of Neurospora crassa, using dual labelling and immunological techniques. In pulse and pulse-chase labelling experiments the mitochondrial proteins accumulate label. The appearance of label in mitochondrial protein shows a lag relative to total cellular protein, ribosomal, microsomal and cytosolic...

The production of 67Ga at iThemba LABS is performed by the proton bombardment of a tandem natZn/natZn target. 67Ga is separated from the target material using a method based on target dissolution, in acidic media, and dual chromatographic methods on Amberchrom CG-161M. The result is a product with a high radionuclidic purity 67Ga having such a low Fe content in the final product that it may be ...

OBJECTIVE Increased consumption of sugar-sweetened beverages has contributed to rising obesity levels. Under Canadian law, calories for pre-packaged foods and beverages are presented by serving size; however, serving sizes differ across products and even for the same product in different containers. This study examined consumer understanding of calorie amounts for government nutrition labels an...

The nutritional quality of Australian breakfast cereals is not systematically monitored despite the importance of breakfast for general health. We examined whether the nutritional quality of Australian breakfast cereals has improved between 2004 and 2010, and whether any change could be detected after the introduction of Daily Intake Guide (DIG) front-of-pack labelling. Supermarket surveys were...