1. BioPlasma Research Group, Dublin Institute of Technology, Sackville Place, Dublin 1, Ireland
2. BioPlasma Research Group, Dublin Institute of Technology, Sackville Place, Dublin 1, Ireland and School of Applied Technology, Dublin Institute of Technology, Bolton Street, Dublin 1, Ireland
3. BioPlasma Research Group, Dublin Institute of Technology, Sackville Place, Dublin 1, Ireland and School of Chemical Engineering, UNSW, Sydney, New South Wales 2052, Australia
4. BioPlasma Research Group, Dublin Institute of Technology, Sackville Place, Dublin 1, Ireland and Faculty of Physics, University of Belgrade, P.O.B. 368, Belgrade 11000, Serbia