Gold nanoparticles having luminol covalently linked thereto and optionally functionalized with an oligonucleotide and bacterial or viral detection assays. The rotor is configured to convey the powder enclosed in the cavity while moving the cavity. in real time based on the actual current operating state of the process and the business data associated with the finished product, raw materials, etc. The stand has legs that are extendable to rest on multiple levels as might be found in a stadium.