SPRAYING COATING WITH BIOLOGICS
Ultrasonic spray nozzles have been successfully used as a means of spraying living organisms onto a variety of surfaces. Atomization occurs on the tip of an ultrasonic nozzle by means of creating standing capillary waves at high frequency that separate into droplets with an increase in amplitude. The power generation source that sets up a liquid containing biologic organisms for atomization can be precisely controlled to limit the impact of atomization on living organisms. Unlike conventional and rotary spray systems, mechanical shear which can destroy living organisms can be minimized with an ultrasonic system.
Bioaerosol Formation for Detection Purposes
Ultrasonic spray nozzles are well documented as a means for generating an aerosol of harmful biological agents such as spores, viruses, toxins and bacteria that can be analyzed in the development of a variety of standoff detection systems. These standoff detection devices are used by both researchers and government agencies for environmental monitoring as part of early warning efforts in combating bioterrorism and other biological threats and accidents.
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