Nanotech Coating for Air Filters (IMAGE) University of Houston Caption Seamus Curran, a physics professor at the University of Houston, has developed a coating designed designed to be used on air filters, capable of capturing airborne virus particles and trapping them on the filter's coating without limiting air flow. Credit University of Houston Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.