A device has at least one sensor for determining one or more constituents of a medium flowing in an installation duct. A cache buffer receives incoming data and buffers a storage array. The disclosed compounds increase the viscosity of the compositions formulated therewith. The example method includes simulating the distributive computing network using the data to determine an operating configuration for adjusting the first resource allocation to satisfy the resource request with a third resource allocation, different than the second resource allocation. Spleen cells from mice of three distinct MHC haplotypes sharing the Dd class I MHC molecule but with different class II molecules, immunized with the compound peptides, exhibited enhanced gp160-specific CTL activity.