A case structure of an electronic device includes a main case, a cover, and an elastic driving element. % of at least one C6 to C18 alkyl ester, or C5 to C8 cycloalkyl ester of 2-cyano-3,3-diphenylacrylic acid and 90 to 10 wt. The system comprises encoder logic at each source processor that operates to associate a unique segment identifier with each of the packet segments before they are transmitted. Also included are kits containing said molecules or chimera thereof, including their use to evaluate and regulate an immune response in an animal.