Guided ionization waves: Theory and experiments

Lü, Xin; Naidis, G. V.; Laroussi, Mounir; Ostrikov, Kostya

doi:10.1016/j.physrep.2014.02.006

Cited by 565 publications

(443 citation statements)

References 131 publications

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“…Today there is agreement that the plasma bullets are guided ionization waves. To learn about these guided ionization waves in greater detail, the reader is referred to [92]. Schematic (a) and a photograph (b) of an atmospheric pressure diffuse plasma generated by a dielectric barrier discharge (DBD).…”

Section: Two Ltp Sources For Biomedical Applications: Brief Descriptionmentioning

confidence: 99%

Plasma Medicine: A Brief Introduction

Laroussi

2018

Plasma

179

122

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This mini review is to introduce the readers of Plasma to the field of plasma medicine. This is a multidisciplinary field of research at the intersection of physics, engineering, biology and medicine. Plasma medicine is only about two decades old, but the research community active in this emerging field has grown tremendously in the last few years. Today, research is being conducted on a number of applications including wound healing and cancer treatment. Although a lot of knowledge has been created and our understanding of the fundamental mechanisms that play important roles in the interaction between low temperature plasma and biological cells and tissues has greatly expanded, much remains to be done to get a thorough and detailed picture of all the physical and biochemical processes that enter into play.

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Section: Two Ltp Sources For Biomedical Applications: Brief Descriptionmentioning

confidence: 99%

Plasma Medicine: A Brief Introduction

Laroussi

2018

Plasma

179

122

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“…[15][16][17] In a single plasma jet, the effects of fluid field, electrical field, and device structure on the electrical characteristics, propagation dynamics, and plume length have been widely investigated with optical and electrical diagnosis, ICCD imaging, and Schlieren photography. [18][19][20][21][22][23] It has been found that the plasma plume propagates in different modes, [10,24] there are strongly nonlinear coupling effects of ionization waves determining streamer propagation, [25] the gas heating is the dominant factor for the transition of laminar to turbulent of plasma jet and the plume length, [3,26] and the linear-field and cross-field structures APPJs have also been compared and studied. [27] For jet arrays, there are strong jet-to-jet coupling interactions causing by gas flowing and electrical field from adjacent plasma plumes, which leads to plume divergence, [10,28] different discharge modes, [14,29] and thus affects the downstream plume uniformity and treatment effects.…”

Section: Introductionmentioning

confidence: 99%

Jet‐to‐jet interactions in atmospheric‐pressure plasma jet arrays for surface processing

Liu

Zhang

Fang

et al. 2017

Plasma Processes & Polymers

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Atmospheric Pressure Plasma Jet (APPJ) arrays are considered as one of the most promising methods for uniform plasma processing of large uneven surfaces. To improve the downstream uniformity and enhance the surface treatment effects, it is important to reveal the mechanisms of the jet‐to‐jet interactions of plasma plumes in the jet array. In this paper, the electrical, optical, and fluid characteristics of the He and Ar three‐channel one‐dimensional (1D) plasma jet arrays with cross‐field needle‐ring electrode structure are studied and compared. It is found that there are divergences in the outside plumes of the propagation trajectory by the repellency of the plasma bullets and the spatial uniformity of the He and Ar plasma jet arrays can be improved with a lower applied voltage and a higher gas flow rate. The deflection angle of side plumes with respect to the central one of He is larger than that of Ar jet array due to the lighter molecular weight and better discharge synchronization. The experimental results show that Ar jet array is more controllable and stable and is more suitable for the design of the practical, simpler, and cheaper scalable plasma jet arrays.

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“…The working gas is usually helium or argon, but we may also find studies on nitrogen or air plasma jets. The geometrical parameters of these plasma jets and the materials used to assembly the device are very numerous [5]. Thus sometimes the biological effects of plasma jets are strongly conflicting, being even opposite in certain studies [6][7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Time Behaviour of Helium Atmospheric Pressure Plasma Jet Electrical and Optical Parameters

et al. 2017

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Low temperature plasma jets gained increased interest in the last years as a potential device in many life science applications, including here human or veterinary medicine. Standardisation of plasma sources and biological protocols are necessary for quality assurance reasons, due to the fact that this type of atmospheric pressure plasma source is available in multiple configurations and their operational parameters span also on a broad range of items, such as all characteristics of high voltage pulses used for gas breakdown, geometrical characteristics, gas feed composition and conductive or biological target characteristics. In this paper we present results related to electrical, optical and molecular beam mass spectrometry diagnosis of a helium plasma jet, emphasising the influence of various operational parameters of the high voltage pulses on plasma jet properties. Discussion on physical parameters that influence the biological response is included, together with important results on plasma sources statistical behaviour until reaching a quasi-stationary working regime. The warm-up period of the plasma jet, specific to many other plasma sources, must be precisely known and specified whenever the plasma jets are used as a tool for life science applications.

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Guided ionization waves: Theory and experiments

Cited by 565 publications

References 131 publications

Plasma Medicine: A Brief Introduction

Plasma Medicine: A Brief Introduction

Jet‐to‐jet interactions in atmospheric‐pressure plasma jet arrays for surface processing

Time Behaviour of Helium Atmospheric Pressure Plasma Jet Electrical and Optical Parameters

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