Division of Environmental Physics - User: student
Faculty of Mathematics, Physics and Informatics, Comenius University Bratislava

Assoc. Prof. Zdenko MACHALA, PhD.

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associate professor
F2-88
+421-2-60295-618
machala

fmph.uniba.sk
Google Scholar Publons ORCID R^G Scopus

Degrees

2008	Associate professor in physics (Doc.), Comenius University, Bratislava, Slovakia
2001	PhD. in plasma physics, Comenius University, Bratislava, Slovakia
2000	Dr. es science (= PhD.) in gas and plasma physics, University Paris-Sud XI, France
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Awards, Fellowships, Membership of Professional Societies

from 2017	President - International Society for Plasma Medicine (ISPM)
from 2016	Assoc. editor of IEEE Transactions on Radiation and Plasma Medical Sciences (journal)
2016	chair of the 6th International Conference on Plasma Medicine
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Professional Experience

2013:	visiting professor University of California, Berkeley, USA, Department of Chemical and Biomedical Engineering
2011:	invited professor - 1-month research program, Ecole Centrale Paris, France
since 2008:	associate professor at Faculty of Mathematics, Physics and Informatics, Comenius University, Bratislava, Slovakia; research oriented at atmospheric plasmas and electric discharges and their environmental and biological applications
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Teaching Activities

Current courses:
Physics of water - Fyzika vody (1-OZE-302)
Plasma diagnostics - Diagnostika plazmy (2-FFP-111)
Experimental vademecum - Experimentálne vademecum (3-FFP-001)
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Supervised students
PhD:	MostafaE. HASSAN Igor JEDLOVSKÝ Zuzana KOVAĽOVÁ, rod. Šipoldová ...
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Research Interests and Projects

Research interests
Fundamental physics of atmospheric pressure plasmas and electrical discharges
	Transient spark and transition discharges (air, nitrogen, N2-CO2-H2O mixtures) Streamer corona discharges (positive, negative, pulsed) Discharges with water (bulk and electrosprays) DC atmospheric pressure glow discharges (air and nitrogen) DC, AC and pulsed microdischarges in porous ceramics (air and nitrogen) Microwave atmospheric pressure plasmas (air and nitrogen) Plasma chemistry and kinetics
Biomedical and Environmental applications of cold plasmas
	Bio-decontamination (water and surface disinfection from bacteria and biofilms) Plasma activated water chemistry and bio-effects Cold plasmas and plasma activated water in dentistry (periodontal biofilms, endodontics) Cold plasmas and plasma activated water for wound healing and urinary tract infections Cold plasmas and plasma activated media for cancer treatment (in-vitro) Flue gas cleaning (abatement of VOCs, combustion exhaust) Waste carbon benefication in microwave plasma
Plasma diagnostics: electrical, optical, spectroscopic
	Electrical oscilloscopic measurements Optical emission spectroscopy Infrared (FT-IR) and UV-VIS absorption spectroscopy; fluorescence spectroscopy Optical, scanning and transmission electron microscopy
Research projects
Current projects.
	Physical and chemical processes at the interface of low-temperature plasma with water, and their use for bio-medical and agricultural applications. 2018-2021, Slovak grant agency VEGA - 1/0419/18 Principal investigator: Janda M., Associate investigator: Machala Z. Co-investigator(s): Hensel K., Onderka M.
	Interaction of cold plasma with water, the effects of plasma activated water to biological systems and their uses in medicine and agriculture 2018-2022, Slovak Research and Development Agency - APVV-17-0382 Principal investigator: Machala Z., Associate investigator: Hensel K. Co-investigator(s): Janda M., Martisovits V., Morvova M., Onderka M.
	Effects on atmospheric pressure cold plasmas on bacteria and seeds 2019-2021, Slovak Research and Development Agency - SK-PL-18-0090 Principal investigator: Hensel K., Associate investigator: Machala Z.
	Electric discharges in capillaries and catalytic monoliths assisted by a surface discharge, their properties and effects on exhaust gas 2021-2024, Slovak grant agency VEGA - 1/0822/21 Principal investigator: Hensel, K., Associate investigator: Machala, Z. Co-investigator(s): Cimerman R., Janda M., Martišovitš V., Hassan M. E.
Former projects.
	Investigation of plasma-cell interaction for bio-decontamination and medical applications (APVV-0134-12, 2013-2017, principal investigator: Machala Z.). Optical diagnostic of the interaction of water micro-droplets with electrical discharges used for bio-medical and environmental applications (1/0918/15, 2015-2017, principal investigator: Janda M.). The study of plasma processes in N2-CH4-CO2-H2O mixtures in order to utilize CH4 to partially oxidized hydrocarbons (1/0998/12, 2012-2014, principal investigator: Janda M.). Effects of atmospheric pressure cold discharge plasmas to bacteria and cell cultures (SK-RO-0024-12, 2013-2014, principal investigator: Hensel K.). Mechanisms of plasma interaction with cells for bio-decontamination and medical applications (1/0668/11, 2011-2013, principal investigator: Machala Z.). Advanced optical diagnostics and applications of DC and pulsed air discharges (SK-FR-0038-09, 2010-2012, principal investigator: Machala Z.). Biological and chemical decontamination of water in electrical discharges (SK-CZ-0179-09, 2010-2011, principal investigator: Machala Z.). Scaled-up non-equilibrium air plasma (FA8655-09-1-3110, 2009-2010, principal investigator: Machala Z.). Bio-decontamination by atmospheric electrical discharges (1/0293/08, 2008-2010, principal investigator: Machala Z.). Scaled-up non-equilibrium air plasma (FA8655-08-1-3061, 2008-2009, principal investigator: Machala Z.). System for direct pyrolysis of selected municipal waste with simultaneous exhaust gas cleaning, possibility to produce of liquid fuel and gaseous hydrogen (0267-06 , 2007-2009, principal investigator: Morvova M.). Alumima-based electroceramics for advanced plasma sources (0485-06, 2007-2009, principal investigator: Hensel K.). Plasma-Assisted Catalysis by Microdischarges in Porous Materials, Investigations of their Physical Properties and Uses for Car Exhaust Cleaning (1/3041/06, 2006-2008, principal investigator: Hensel K.). Physical properties of electric discharges in porous materials and their application of car exhaust cleaning (SK-FR-00506, 2006-2008, principal investigator: Hensel K.). Investigations of the physical properties of dc electric discharges in atmospheric pressure air above water level and the tests of their plasma-chemical and biological effects (1/2013/05, 2005-2007, principal investigator: Machala Z.). Atmospheric electrical discharges for bio-decontamination (NATO0981194/07, 2007-2007, principal investigator: Machala Z.). Microdischarges in Porous Dielectric Materials, Their Properties and Application for Car Exhaust Cleaning (APVT 20-032404 , 2005-2007, principal investigator: Hensel K.). DC electric discharges in air for chemical and biological decontamination (EAP.RIG 981194, 2004-2007, principal investigator: Machala Z.). Scaled-Up Nonequilibrium Air Plasmas (F49620-01-1-0389, 2001-2004, principal investigator: Kruger C.H.). Ultrasonic and corona discharge devices for respiratory deseases healing and prevention, and for indoor air cleaning (96-513-IV-04, 1996-1998, principal investigator: Morvova M.).
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Publications & Citations

Book chapters:	3	Invited lectures/seminars:	28
Journal papers:	66	WoS/SCOPUS citations:	1804
Other publications:	236	Other citations:	218

Book editor

Machala Z., Hensel K., Akishev Y. (Editors), Plasma for bio-decontamination, medicine and food security, NATO Science for Peace and Security Series A - Chemistry and Biology, Springer, Dordrecht, Netherlands, 487 pp, ISBN 978-94-007-2851-6 (2012)

Book chapters

Janda M., Machala Z., Joshi R. P., Krasnoperov L., Mededovic Thagard S.: Electrical discharges, Chapter 55 in: Encyclopedia of Physicsl Organic Chemistry, Eds.: Wang Z., Wille U., Juaristi E., Wiley, New Jersey, p. 2957-3010 (2017)

Machala Z., Pai D.Z., Janda M. and Laux C.O.: Atmospheric Pressure Nanosecond Pulsed Discharge Plasmas, Chapter 6 in: Low Temperature Plasma Technology: Methods and Applications, Eds.: Paul K. Chu, XinPei Lu, CRC Press; 1 edition (July 25, 2013), ISBN-10: 1466509902; ISBN-13: 978-1466509900, (2013)

Machala Z., Tarabová B., Pelach M., Šipoldová Z., Hensel K., Janda M., and Šikurová L.: Bio-Decontamination of Water and Surfaces by DC Discharges in Atmospheric Air, Chapter 3 in: Plasma for Bio-Decontamination, Medicine and Food Security, NATO Science for Peace and Security Series A: Chemistry and Biology, Eds.: Z. Machala, K. Hensel, Y. Akishev, Springer, Dordrecht, Netherlands, p. 31-44, ISBN 978-94-007-2851-6, © Springer Science+Business Media B.V. (2012)

Journal papers

Hassan M.E., Janda M., Machala Z.: Transport of Gaseous Hydrogen Peroxide and Ozone into Bulk Water vs. Electrosprayed Aerosol, Water 13 (2), 182 (2021).
abstract download citations: 0

Polčic P., Machala Z.: Effects of Non-Thermal Plasma on Yeast Saccharomyces cerevisiae, Int. J. Mol. Sci. 22 (5), 2247 (2021).
abstract download citations: 0

Kučerová K., Machala Z., Hensel K.: Transient spark discharge generated in various N₂/O₂ gas mixtures: Reactive species in the gas and water and their antibacterial effects, Plasma Chem. Plasma Process. 40 (3), 749–773 (2020).
abstract download citations: 5

Invited lectures and seminars

Machala Z., Chemistry of air plasma-water interaction and biomedical/agriculture applications of plasma activated water, ICAPST-20, First International conference on advances in plasma science and technology, Sri Shakthi Institute of Engineering and Technology Coimbatore, India, 12-14 Feb (2020)

Machala Z., Mentheour R., Sersenová D., Tarabová B., Ndiffo Yemeli G.B., Vukušič T., Pásztor S., Gbelcová H., Konečná B., Tóthová Ľ., Janda M., Hensel K., Tuning the chemistry of air plasma-water interaction and biomedical/agriculture applications of plasma activated water, Plasma Science & Enterpreneurship 2019, Luxembourg (LU), Nov 14-15, p. 15 (2019)

Machala Z., Tarabová B., Vukušic T., Janda M., Hensel K., Plasma activated water chemical and antibacterial effects correlate with gaseous and aqueous RONS, plasma source, air and water flow conditions, 24th International Symposium on Plasma Chemistry ISPC, Napoli (Italy), June 9-14, I-5 (2019)

Contributions on international conferences and symposia

Ndiffo Yemeli GB., Švubová R., Kostolani D., Machala Z.: Plasma activated water generated by two cold plasma sources: chemical properties and effect on plant growth, IWOPA– 3rd INTERNATIONAL WORKSHOP ON PLASMA AGRICULTURE, Greifswald, Germany, March 1-3, p. p. x (2021).
abstract citations: 0

Machala Z.: Chemistry of air plasma-water interaction and biomedical/agriculture applications of plasma activated water, ICAPST-20, First International conference on advances in plasma science and technology, Sri Shakthi Institute of Engineering and Technology Coimbatore, India, 12-14 February, p. x (2020).
abstract citations: 0

Janda M., Hensel K., Machala Z.: Transient spark driving circuit optimization for enhanced generation of nitrogen oxides, 30th Summer School and International Symposium on the Physics of Ionized Gases SPIG 2020, Šabac (Serbia) - Virtual, August 24-28 (2020).
abstract citations: 0