Disclosed is substantially pure eotaxin DNA sequence and eotaxin polypeptide, and methods of using such DNA and polypeptide to direct chemotaxis of eosinophils. The attribute information includes fixed information settled at the time of member registration and record-information which may be changed in accordance with performance of each member. Also provided herein are methods of screening for modulators of EG-VEGF. A demultiplexer has an input, a switched input and two outputs. The control gate and gates of the first and second floating gates are formed within a single lithographic square. As the selected portion of the multi-purpose reclosable zipper strip is being positioned and deposited onto the elevator, the web of flexible film is being positioned above the platform.