REMOTE-SENSING USING AN AIRBORNE BIOSENSOR

There is no current method for remote identification of aerosolized ba cteria. In particular, such a capability is required to warn of a biol ogical warfare attack prior to human exposure. A fiber optic biosensor , capable of running four simultaneous immunoassays, was integrated wi th an automated fluidics unit, a cyclone-type air sampler, a radio tra nsceiver, and batteries on a small, remotely piloted airplane capable of carrying a 4.5-kg payload. The biosensor system was able to collect aerosolized bacteria in flight, identify them, and transmit the data to the operator on the ground. The results demonstrate the feasibility of integrating a biosensor into a portable, remotely operated system for environmental analysis.