The present invention relates to an item produced via injection molding comprising:i) from 50 to 85% by weight of a biodegradable polyester with MVR to ISO 1133 of from 10 to 100 cm310 min comprising: a) from 90 to 99. The resulting structures can include a semiconductor substrate, a buried diffusion region formed on the semiconductor substrate, and at least one of a silicide film, for example tungsten silicide, and a self-aligned silicide film, for example cobalt silicide andor nickel silicide, above the buried diffusion layer. Both a phase reference signal and a vibration reference signal are generated, which signals are used to calculate lateral and angular vibration of the rotating elements. A determinator receives and analyzes the results from the high frequency detector, the data sample correlator, and the other detectors and generates a control signal in response to these results. The source region and the drain region are formed by self-aligned process in which one or more elements selected from Group 15 elements are added to the semiconductor layer with the use of a gate electrode as a mask. This invention relates to any antineoplastic agents and their derivatives chemically attached with nitroxide free radicals, such as TEMPO and its radical derivatives.