A continuous sampler that collects or traps airborne particles onto a filter for analysis is DFU.
The full form of DFU is dry filter unit and it is a biological agent detection technologies. The biological agent detector equipment are field kits and assays that are used to discriminate biological agent from harmless biological and non-biological material present in the environment or the sample. Biological agents include bacteria,viruses, fungi, other microorganism and their associated toxins.
The Joint Biological Point Detection System (JBPDS) was created to prevent big attacks, it identifies in advance any evidence of aerosolized biological warfare agents, and be able to start a medical treatment.
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