Astatine sublimes less readily than does iodine, having a lower vapor pressure.[8] Even so, half of a given quantity of astatine will vaporize in approximately an hour if put on a clean glass surface at room temperature.[a] The absorption spectrum of astatine in the middle ultraviolet region...
Alpha-particle radiotherapy has gained considerable attention owing to its potent anti-cancer effect.211At, with a relatively short half-life of 7.2 h, emits an alpha particle within a few cell diameters with high kinetic energy, which damages cancer cells with high biological effectiveness. In th...