

The Guardian ETP represents the next generation in security checkpoint technology for explosives ...
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Syagen’s PhotoMate® APPI® sources provide enhanced capabilities to users of LC-MS instrumentation. The principal benefits include analysis of problem compounds (e.g., non-polars) and minimization of ion-suppression, which are frequent problems with other ionization methods, such as electrospray ionization (ESI). The ability of APPI to analyze a wide range of compounds and reduce matrix effects greatly improves the robustness of methods and the overall work flow making APPI a valuable productivity tool for LC-MS users.
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The Guardian ETP uses a harmless air shower to collect minute particles from the human body and clothing and then analyzes them for the presence of a wide range of explosives. This is a fast, accurate and non-invasive approach to the screening of airline passengers for the presence of concealed explosive devices. Unlike body scanners, the Guardian ETP does not invade the personal privacy of the traveling public and improves on older "puffer" style trace portals, which proved unsuitable for aiport use. It also inspects shoes for the presence of IED's, allowing passengers the convenience of leaving their shoes on during the screening process. Watch video
For further information on the scientific basis of the Guardian's technical approach, please see the National Academy of Sciences Report - "Opportunities to improve airport passenger screening with mass spectrometry"
PhotoMate APPI sources provide enhanced capabilities to users of LC/MS instrumentation.
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Syagen has launched the first commercial systems incorporating next generation mass spectrometry technology.
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Syagen, Guardian, Photomate and APPI are registered trademarks of Syagen Technology, Inc.