Isoindolin-1-one and Isoindoline-1,3-dione substituted in the 2-position with a 2,6-dioxo-3-hydroxypiperidin-5-yl group, which may be further substituted in the 5-position with alkyl or halogeno, and in the 4-position with alkyl or a nitrogen-containing group are inhibitors of, and thus useful in the treatment of disease states mediated by, TNF. More particularly, the invention relates to a system and method for radio channel allocation where the radio quality on candidate radio channels is measured and the interference effects of establishing a radio connection on the candidate radio channels on already existing radio connections is estimated. There is also provided a catalyst suitable for the vapor phase production of alkylene oxide from olefins and oxygen comprising an alumina-based carrier having a sodium solubilization rate no greater than 5 ppmw5 minutes; and catalytically reactive silver deposited on said carrier. Otherwise, once the central k-space data is acquired for each station, the patient table is adjusted to the scan stations that require additional data acquisition. Fluorescence intensity is well linearly correlated to Pd2+ concentration. Accordingly, each element is accessible in a random manner.