Dr. Prasoon Diwakar (withPramod Kulkarni) was granted patent March 3, 2015 for  "Method and apparatus for aerosol analysis using optical spectroscopy"

 Patent no US 8970840 B2  

Link: http://www.google.com/patents/US8970840

ABSTRACT

Particles of a flow of aerosol are collected and analyzed by passing them through a housing having an inlet area, an outlet area, and a collection and analysis area interconnecting the inlet and outlet areas. A collection electrode has a tip disposed in the collection and analysis area and particles are collected thereon. After collection, the particles are ablated and atomic emissions are collected for analysis of the particles.