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.
	Biomedical and Environmental applications of cold plasmas.
	Plasma diagnostics: electrical, optical, spectroscopic.
Research projects
	Physical and chemical processes at the interface of low-temperature plasma with water, and their use for bio-medical and agricultural applications. (1/0419/18, 2018-2021, principal investigator: Janda M.). Interaction of cold plasma with water, the effects of plasma activated water to biological systems and their uses in medicine and agriculture (APVV-17-0382, 2018-2022, principal investigator: Machala Z.). Effects on atmospheric pressure cold plasmas on bacteria and seeds (SK-PL-18-0090, 2019-2021, principal investigator: Hensel K.). Electric discharges in capillaries and catalytic monoliths assisted by a surface discharge, their properties and effects on exhaust gas (1/0822/21, 2021-2024, principal investigator: Hensel, K.).
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Publications & Citations

Book chapters:	3	Invited lectures/seminars:	28
Journal papers:	65	WoS/SCOPUS citations:	1721
Other publications:	235	Other citations:	215

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

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, 749–773 (2020).
abstract download citations: 2

Ndiffo Yemeli G.B., Švubová R., Kostolani D., Kyzek S., Machala Z.: The effect of water activated by nonthermal air plasma on the growth of farm plants: Case of maize and barley, Plasma Process Polym. X, e2000205 (2020).
abstract download citations: 1

Machala Z., Tarabová B., Sersenová D., Janda M., Hensel K.: Chemical and Antibacterial Effects of Plasma Activated Water: Correlation with Gaseous and Aqueous Reactive Oxygen and Nitrogen Species, Plasma Sources and Air Flow Conditions, J. Phys. D: Appl. Phys. 52 (3), 034002 (2019).
abstract download citations: 45

Pawlat J., Terebun P., Kwiatkowski M., Tarabová B., Kovaľová Z., Kučerová K., Machala Z., Janda M., Hensel K.: Evaluation of Oxidative Species in Gaseous and Liquid Phase Generated by Mini-Gliding Arc Discharge, Plasma Chem. Plasma Process. 39 (3), 627-643 (2019).
abstract download citations: 11

Tarabová B., Lukeš P., Hammer M.U., Jablonowski H., von Woedtke T., Reuter S., Machala Z.: Fluorescent measurement of peroxynitrite/peroxynitrous acid in cold air plasma treated aqueous solutions, Phys. Chem. Chem. Phys. 21(17), 8883-8896 (2019).
abstract download citations: 9

Akishev Yu., Machala Z., Koval N.: Preface: Special issue on recent developments in plasma sources and new plasma regimes, J. Phys. D: Appl. Phys. 52, 130301 (2019).
abstract download citations: 4

Jaworek A., Gañán-Calvo A.M., Machala Z.: Low temperature plasmas and electrosprays, topical review, J. Phys. D: Appl. Phys. 52, 233001 (2019).
abstract download citations: 6

Khlyustova A., Labay C., Machala Z., Ginebra M.P., Canal C.: Important parameters in plasma jets for the production of RONS in liquids for plasma medicine: A brief review., Frontiers of Chem. Sci. Eng. 13 (2), 238-252 (2019).
abstract download citations: 14

Bauer G., Sersenová D., Graves D.B. and Machala Z.: Cold Atmospheric Plasma and Plasma-Activated Medium Trigger RONS-Based Tumor Cell Apoptosis, Sci. Rep. 9, 14210 (2019).
abstract download citations: 3

Stancampiano A., Gallingani T., Gherardi M., Machala Z., Maguire P., Colombo V., Pouvesle J-M. and Robert E.: Plasma and Aerosols: Challenges, Opportunities and Perspectives, Appl. Sci. 9, 3861; doi:10.3390/app9183861 (2019).
abstract download citations: 4

Bauer G., Sersenová D., Graves D. B. & Machala Z.: Dynamics of Singlet Oxygen-Triggered, RONS-Based Apoptosis Induction after Treatment of Tumor Cells with Cold Atmospheric Plasma, Sci. Reports 9 (13931), 1-34 (2019).
abstract download citations: 3

Machala Z. and Graves D.B.: Frugal Biotech Applications of Low-Temperature Plasma, Trends Biotechnol. 36(6), 579-581 (2018).
abstract download citations: 4

Tarabová B., Lukeš P., Janda M., Hensel K., Šikurová L., Machala Z.: Specificity of Detection Methods of Nitrites and Ozone in Aqueous Solutions Activated by Air Plasma, Plasma Process. Polym. 15, e1800030 (2018).
abstract download citations: 17

Janda M., Hensel K., Machala Z.: Kinetic Plasma Chemistry Model of Pulsed Transient Spark Discharge in Air Coupled with Nanosecond Time-Resolved Imaging and Spectroscopy, J. Phys. D: Appl. Phys. 51 (33), 334002 (2018).
abstract download citations: 7

Polčic P., Pakosová L., Chovančíková P., and Machala Z.: Reactive cold plasma particles generate oxidative stress in yeast but do not trigger apoptosis, Canad. J. Microbiol. 64 (6), 367-375 (2018).
abstract citations: 1

Machala Z. and Pavlovich M.J.: A New Phase in Applied Biology, Trends Biotechnol. 36 (6), 577-578 (2018).
abstract download citations: 1

Janda M., Hoder T., Sarani A., Brandenburg R., Machala Z.: Cross-correlation spectroscopy study of the Transient Spark discharge in atmospheric pressure air, Plasma Sources Sci. Technol. 26 (5), 055010 (2017).
abstract download citations: 6

Janda M., Martišovitš V., Buček A., Hensel K., Molnár M., Machala Z.: Influence of Repetition Frequency on Streamer-to-Spark Breakdown Mechanism in Transient Spark Discharge, J. Phys. D: Appl. Phys 50 (42), 425207 (2017).
abstract download citations: 3

Machala Z., Hamaguchi S., Fridman G.: Preface: Sixth International Conference on Plasma Medicine (ICPM-6), Plasma Medicine 7 (2), v-vi (2017).
abstract download citations: 0

Janda M., Martišovitš V., Hensel K., Machala Z.: Generation of Antimicrobial NOx by Atmospheric Air Transient Spark Discharge, Plasma Chem. Plasma Proc. 36, 767-781 (2016).
abstract download citations: 31

Tučeková Z., Kovaľová Z., Zahoranová A., Machala Z., Černák M.: Inactivation of Escherichia coli on PTFE surfaces by Diffuse Coplanar Surface Barrier Discharge, Eur. Phys. J. Appl. Phys. 75, 24711 (2016).
abstract download citations: 0

Kovaľová Z., Leroy M., Kirkpatrick M., Odic E., Machala Z.: Corona discharges with water electrospray for Escherichia coli biofilm eradication on a surface, Bioelectrochemistry 112, 91–99 (2016).
abstract download citations: 13

P J Bruggeman, M J Kushner, B R Locke, J G E Gardeniers, W G Graham, D B Graves, R C H M Hofman-Caris, D Maric, J P Reid, E Ceriani, D Fernandez Rivas, J E Foster, S C Garrick, Y Gorbanev, S Hamaguchi, F Iza, H Jablonowski, E Klimova, J Kolb, F Krcma, P Lukes, Z Machala Z, I Marinov, D Mariotti, S Mededovic Thagard, D Minakata, E C Neyts, J Pawlat, Z Lj Petrovic, R Pflieger, S Reuter, D C Schram, S Schröter, M Shiraiwa, B Tarabová B, P A Tsai, J R R Verlet, T von Woedtke, K R Wilson, K Yasui and G Zvereva: Plasma-liquid interactions: a review and roadmap, Plasma Sources Sci. Technol. 25, 053002 (59pp) (2016).
abstract download citations: 376

Pongrác B., Krčma F., Dostál L., Kim H.H., Homola T., Machala Z.: Effects of corona space charge polarity and liquid phase ion mobility on the shape and velocities of water jets in the spindle j, J. Aerosol. Sci. 101, 196-206 (2016).
abstract citations: 4

Janda M., Martišovitš V., Hensel K., Machala Z.: Study of Transient Spark Discharge Focused at NOx Generation for Biomedical Applications, J. Phys.: Conf. Series. 768, 012009 (2016).
abstract download citations: 9

Janda M., Machala Z., Hensel K., Morvová M.: Transient Spark in N2-CO2 Mixture above Water Surface at Atmospheric Pressure, Acta Phys.. Univ. Comenian. LIII, 15-25 (2016).
abstract download citations: 0

Krupski P., M. Kwiatkowski, P. Terebun, J. Diatczyk, H.D. Stryczewska, J. Pawłat, Z. Machala, K. Hensel: Application of miniature glidarc to rejection of bacterial contamination from the teflon surface (in Polish), Przeglad Elektrotechniczny 92 (6), 127-130 (2016).
abstract download citations: 1

Janda M., Machala Z., Dvonč L., Lacoste D.A., Laux C.O.: Self-pulsing discharges in pre-heated air at atmospheric pressure, J. Phys. D: Appl. Phys. 48, 035021 (2015).
abstract download citations: 15

Hensel K., Kučerová K., Tarabová B., Janda M., Machala Z., Sano K., Mihai C. T., Gorgan L. D., Jijie R., Pohoata V., Topala I.: Effects of Air Transient Spark Discharge and Helium Plasma Jet on Water, Bacteria, Cells and Biomolecules, Biointerphases 10 (2), 029515 (2015).
abstract download citations: 53

Kovaľová Z., Leroy M., Jacobs C., Kirkpatrick M., Machala Z., Lopes F., Laux C.O., DuBow M., Odic E.: Atmospheric pressure argon surface discharges propagated in long tubes: physical characterization and application to bio-decontamination, Journal of Physics D: Applied Physics 48, 464003 (2015).
abstract download citations: 5

Kovaľová Z., Zahoran M., Zahoranová A., Machala Z.: Streptococci biofilm decontamination on teeth by low-tempreature air plasma of dc corona discharges, Journal of Physics D: Applied Physics 47 (22), 224014 (2014).
abstract citations: 25

Pongrác B., Kim H.H., Janda M., Martišovitš V., Machala Z.: Fast imaging of intermittent electrospraying of water with positive corona discharge, J. Phys. D: Appl. Phys. 47, 315202 (2014).
abstract download citations: 14

Kim H.H., Teramoto Y., Negishi N., Ogata A., Kim J.H., Pongrác B., Machala Z., Gañán-Calvo Alfonso M.: Polarity effect on the electrohydrodynamic (EHD) spray of water, J. Aerosol. Sci. 76, 98-114 (2014).
abstract citations: 22

Pongrác B., Kim H.H., Negishi N., Machala Z.: Influence of water conductivity on particular electrospray modes with dc corona discharge — optical visualization approach, Eur. Phys. J. D 68, 224 (2014).
abstract download citations: 10

Janda M., Martišovitš V., Dvonč L., Hensel K., Machala Z.: Measurement of the Electron Density in Transient Spark Discharge, Plasma Sources Sci. Technol. 23, 065016 (2014).
abstract download citations: 25

Pavlovich M J, Ono T, Galleher C, Curtis B, Clark D S, Machala Z and Graves D B: Air spark-like plasma source for antimicrobial NOx generation, J. Phys. D: Appl. Phys. 47, 505202 (10pp) (2014).
abstract download citations: 23

Kovaľová Z., Tarabová K., Hensel K., Machala Z.: Decontamination of Streptococci Biofilms and Bacillus Cereus Spores on Plastic Surfaces with DC and Pulsed Corona Discharges, Eur. Phys. J. Appl. Phys. 61 (2), 24306 (2013).
abstract download citations: 18

Machala Z., Tarabová B., Hensel K., Špetlíková E., Šikurová L., Lukeš P.: Formation of ROS and RNS in Water Sprayed through Transient Spark Discharge in Air and Their Bactericidal Effects, Plasma Process. Polym. 10 (7), 649-659 (2013).
abstract download citations: 166

Janda M., Machala Z., Niklová A., Martišovitš V.: The streamer-to-spark transition in a transient spark: a dc-driven nanosecond-pulsed discharge in atmospheric air, Plasma Sources Sci. Technol. 21, 045006 (9pp) (2012).
abstract download citations: 35

Szalay Zs., Ráheľ J., Machala Z., Hensel K.: Assessing the Self-cleaning Capability of a Coplanar Barrier Discharge with Different Barrier Surface Coatings and Electrode Geometries, Acta Univ. Carolin. Math. Phys. 53 (2), 69-77 (2012).
abstract download citations: 0

Janda M., Martišovitš V., Machala Z.: Transient spark: a dc-driven repetitively pulsed discharge and its control by electric circuit parameters, Plasma Sources Sci. Technol. 20, 035015 (10pp) (2011).
abstract download citations: 42

Janda M., Machala Z.: Imaging of transient spark in atmospheric pressure air by fast iCCD camera, IEEE Trans. Plasma Sci. 39 (11) 2246-2247 (2011).
abstract download citations: 14

Šipoldová Z., Machala Z.: Bio-decontamination of plastic and dental surfaces with atmospheric pressure air DC discharges, IEEE Trans. Plasma Sci. 39, 2970-2971 (2011).
abstract download citations: 2

Pongrác B., Machala Z.: Electro-Spraying of Water with Streamer Corona Discharge, IEEE Trans. Plasma Sci. 39, 2664-2665 (2011).
abstract download citations: 11

Leštinská L., Martišovitš V., Machala Z.: Corona discharge as a temperature probe for atmospheric air microwave plasma jet, J. Quant. Spec. Rad. Transfer 112, 2779-2786 (2011).
abstract download citations: 6

Janda M., Machala Z., Laux C.O.: Optical and Electrical Study of Transient Spark Discharge in Air, Acta Physica Universitatis Comenianae L-LI, 85-93 (2010).
abstract download citations: 0

Machala Z., Chládeková L., Pelach M.: Plasma agents in bio-decontamination by dc discharges in atmospheric air, J. Phys. D: Appl. Phys. 43, 222001 (2010).
abstract download citations: 101

Hensel K., Machala Z., Tardiveau P.: Capillary Microplasmas for Ozone Generation, Eur. Phys. J. Appl. Phys. 47 (2), 22813 (2009).
abstract download citations: 16

Machala Z., Jedlovský I., Chládeková L., Pongrác B., Giertl D., Janda M., Šikurová L., Polčic P.: DC discharges in atmospheric air for bio-decontamination – spectroscopic methods for mechanism identification, Eur. Phys. J. D, 54, 195-204 (2009).
abstract download citations: 51

Machala Z.: Plazma a živé organizmy, Čs. čas. fyz. 59 (6), 370-376 (2009).
abstract download citations: 3

Janda M., Machala Z.: Transient spark discharge in N2/CO2/H2O mixtures at atmospheric pressure, IEEE Trans. Plasma Sci. 36 (4), 916-917 (2008).
abstract download citations: 5

Janda M., Machala Z., Morvová M., Morva I.: Study of Plasma Induced Chemistry by DC Discharges Above Water Surface in CO2/N2/H2O Mixture, Orig. Life Evol. Biosph., 38, 23-35 (2008).
abstract download citations: 9

Machala Z., Jedlovský I., Martišovitš V.: DC discharges in atmospheric air and their transitions, IEEE Trans. Plasma Sci. 36, 918-919 (2008).
abstract download citations: 44

Leštinská L., Foltin V., Machala Z.: Emission Spectroscopy of Atmospheric Nitrogen Microwave Plasma, IEEE Trans. Plasma Sci. 36, 962-963 (2008).
abstract download citations: 7

Leštinská L., Martišovitš V., Zahoran M., Machala Z.: Atmospheric pressure MW plasma for waste carbon treatment, Chemické listy 102 (16), S1428-S1431 (2008).
abstract download citations: 0

Machala Z., Janda M., Hensel K., Jedlovský I., Leštinská L., Foltin V., Martišovitš V., Morvová M.: Emission Spectroscopy of Atmospheric Pressure Plasmas for Bio-medical and Environmental Applications, J. Molec. Spectrosc. 243 (2), 194-201 (2007).
abstract download citations: 258

Janda M., Martišovitš V., Morvová M., Machala Z., Hensel K.: Monte Carlo simulations of electron dynamics in N₂/CO₂ mixtures, Eur. Phys. J. D 45 (2), 309-315 (2007).
abstract download citations: 14

Hensel K., Martišovitš V., Machala Z., Janda M., Leštinský M., Tardiveau P., Mizuno A.: Electrical and Optical Properties of AC Microdischarges in Porous Ceramics, Plasma Process. Polym. 4 (7-8), 682-693 (2007).
abstract download citations: 68

Foltin V., Leštinská L., Machala Z.: Spectroscopic investigations of atmospheric pressure microwave torch nitrogen plasma jet, Czech. J. Phys. 56, B712-720 (2006).
abstract download citations: 5

Machala Z., Laux C.O. and Kruger C.H.: Transverse DC Glow Discharges in Atmospheric Pressure Air, IEEE Trans. Plasma Sci. 33 - Special Issue on Plasma Images, 320-321 (2005).
abstract download citations: 38

Machala Z., Marode E., Morvová M., Lukáč P.: DC glow discharges in atmospheric air as a source for VOC abatement, Plasma Process. Polym. 2, 152-161 (2005).
abstract download citations: 46

Janda M., Machala Z., Morvová M., Franček V., Lukáč P.: WEB-EEDF: Open Source Software for Modeling the Electron Dynamics, Acta Physica Slovaca 55, 507-514 (2005).
abstract download citations: 0

Machala Z., Marode E., Laux C.O., Kruger C.H.: DC glow discharges in atmospheric pressure air, J. Advanced Oxid. Technol. 7, No. 2, 133-137 (2004).
abstract download citations: 57

Machala Z., Morvová M., Marode E., Morva I.: Removal of cyclohexanone in Transition Electric Discharges at Atmospheric Pressure, J.Phys. D: Appl.Phys., Vol.33 No 24, 3198-3213 (2000).
abstract download citations: 36

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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

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), August 24-28 (2020).
abstract citations: 0

Sersenová D., Gbelcová H., Repiská V., Machala Z.: Účinok plazmou aktivovaných kvapalín na ľudské rakovinové a normálne kožné bunky, Preveda - Interaktívna Konferencia Mladých Vedcov, online, June 19, p. (2020).
abstract download citations: 0