Novel compositions of matter containing aromatic compounds and terpenoids which are present in and may preferably be derived from the plant Alpinia galanga show synergistic effects with respect to immunomodulation, and they significantly suppress hypersensitivity reactions. The capillary array assembly can include an injection end that can be arranged to interface with output wells of a fluid processing device, for example, a microfluidic card-type device. In some embodiments, the first PUBLISH message utilizes a user-agent header to indicate that the communications server originated the first PUBLISH message.