AAAR 37th Annual Conference October 14 - October 18, 2019 Oregon Convention Center Portland, Oregon, USA
Abstract View
Biological Particle Resuspension from Simulated Children's Walking
Lu Zhang, Xinyue Li, Ting Zhang, MAOSHENG YAO, Peking Universirty
Abstract Number: 819 Working Group: The Air We Breathe: Indoor Aerosol Sources and Chemistry
Abstract Lower respiratory infection represents one of major killers for children below age 5 in the world. In this work, we applied a robot to simulate children's walking with shoes of different characteristics. The particle re-suspensions were simultaneously monitored by an optical particle counter and also an ATP-based bioaerosol sensor. In addition, air samples were also taken using a high volume sampler. Our preliminary results showed that walking indeed generated a significant amount of particles, and different shoes seemed to have produced different size and level particles, thus representing different inhalation exposure risks. Air samples with and without walking were being sequenced and will be presented in details during the conference. This work will further discuss how to protect children from re-suspending floor biological materials to reduce the infection risk and to protect children’s health.