An EMI shield for personal computers, cellular telephones, and other electronic devices is constructed from thermoformable polymeric material which is then metallized on all surfaces by vacuum metallization techniques to provide an inexpensive, lightweight, yet effective EMI shield. Users access an information inquiry platform with mobile phones, in order to search for and download information. The gaming device selects one of a plurality of designated sound recordings associated with such designated parameter. A valve set has a work configuration defining the closed recirculating loop including the connection of the process chamber with the filter, and a filter regeneration configuration in which the filter is blocked off from the process chamber and is connected with an exhaust. Peak area integration of the peptide pairs provides a direct measure for the amount of target protein in the crude solution.