We then moved to characterize the self-associative properties of two-component heterogeneous SSA systems, co-formulated in 1:1 molecular ratio, giving rise to co-formulations a -j, listed in Figure . These co-formulations were prepared in a H2O:EtOH 19:1 solution. Homogenous solutions of each SSA were combined at equal volumes. The heterogeneous solution subsequently underwent an annealing process, in which the solution was heated to 50 °C for 60 seconds, before cooling to room temperature. As summarised in Table , the properties of aggregates formed from co-formulations a -j differ quite considerably from the homogenous aggregates of 1 -5, prepared under identical experimental conditions.