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Plasma Electrochemical Sensor for Airborne Particulates
Allergic reaction to airborne pollen affect about 15% of the population of industrialised countries. Real-time detection and identification of airborne particles combined with antigen specific medication, can help improve the quality of life for many hay fever sufferers. Current methods for measuring airborne particles are based on the archaic capture and count technique which is expensive and laborious, and normally give an average over 24 hours. In this work a new approach to detect and identify particles such as pollen, or any bioaerosol in the atmosphere. The method relies on the breakdown of the particles in a flame to produce a large number of smaller fragments in a flame. These smaller particles are often charged and can then be measured by electrochemical means. [8] The advantage of this method is the amplification through the fragmentation process as shown in figure 2. Funding is provided by EPSRC EP/F028423/1.
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