A catalytic process for oxidizing SO(sub.2)

Article Abstract:

A catalytic process developed at the University of Waterloo, Ontario, for oxidizing moist SO(sub.2) to produce sulfuric acid is discussed. This novel process, which goes to completion at 25 degrees Celsius, uses an activated carbon catalyst. A solvent is used after that to recover H(sub.2)SO(sub.4) and industrial solvents from the oxidation product. The reaction rate seems to be several hundred times that of the vanadia catalysts process at 300-400 degrees Celsius.

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Getting the bugs out while getting the bugs in

Article Abstract:

Bioremediation of chlorinated solvents such as trichloroethylene and dense, nonaqueous-phase liquids using bacteria is discussed. Anaerobic bacterium Dehalococcoides ethenogenes 195 degrades trichloroethylene completely to ethylene and ethane, stripping away chlorine. This bacterium requires stringent conditions for its growth, which are discussed in the present article.

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One man's war on cancer

Article Abstract:

This article focuses on the relationship between apoptosis and cancer and the implications of the "inhibitor of apoptosis-proteins" (IAP) in carcinogenesis. Crystal structure of the second mitochondria-derived activator of caspaces (Smac) and IAP complex is presented.

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