Vishal Verma

Oxidative potential of semi-volatile and non volatile particulate matter (PM) from heavy-duty vehicles retrofitted with emission control technologies.

Flemming R Cassee, Constantinos Sioutas, J. Schauer, 2009, Environmental science & technology.

Contribution of transition metals in the reactive oxygen species activity of PM emissions from retrofitted heavy-duty vehicles

Constantinos Sioutas, James J. Schauer, Martin M. Shafer, 2010 .

Redox activity of urban quasi-ultrafine particles from primary and secondary sources

Zhi Ning, Constantinos Sioutas, James J. Schauer, 2009 .