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The use of cold atmospheric plasmas (CAP) to sterilize sensitive surfaces is an interesting new field of applied plasma physics. Motivated by the shortages of face masks and safety clothing at the beginning of the corona pandemic, we…

Plasma Physics · Physics 2021-12-09 Alisa Schmidt , Chen-Yon Tobias Tschang , Joachim Sann , Markus H. Thoma

Surface modification of polymeric biomaterials using plasma has emerged as an effective strategy to optimize the cell-material interface without compromising the structural properties of the material. This work presents a critical review of…

Plasma Physics · Physics 2025-04-08 Jairo Rondøn , Angel Gonzalez-Lizardo

The study investigated the effects of atmospheric plasma on various dielectric materials (FR-4, PTFE, Al$_2$O$_3$) and electrode materials (copper, silver, gold-plated copper) used in surface micro-discharge plasma sources. XPS and laser…

Plasma Physics · Physics 2024-10-23 Jonathan Gail , Alisa Schmidt , Markus H. Thoma

In recent years, cold atmospheric plasma (CAP) using inert gas has been successfully applied for biomedicine, such as sterilization, wound healing, skin diseases, and tumor treatment. Here, we reported air cold atmospheric plasma with three…

The impact of the cold radiofrequency air plasma on the surface properties of silicone oils (polydimethylsiloxane) was studied. Silicone oils of various molecular masses were markedly hydrophilized by the cold air plasma treatment. A…

Soft Condensed Matter · Physics 2014-09-02 Victor Multanen , Gilad Chaniel , Roman Grynyov , Ron Yosef Loew , Naor Siany , Edward Bormashenko

Plasma treatment increases the surface energy of condensed phases: solids and liquids. Two independent methods of the quantification of the influence imposed by a cold radiofrequency air plasma treatment on the surface properties of…

Cold atmospheric plasmas (CAP) are weakly ionized gases that can be generated in ambient air. They produce energetic species (e.g. electrons, metastables) as well as reactive oxygen species, reactive nitrogen species, UV radiations and…

Applied Physics · Physics 2018-02-21 Florian Judée , Stéphane Simon , Christophe Bailly , Thierry Dufour

For years, extensive efforts have been made to discover effective, non-invasive anti-cancer therapies. Cold atmospheric plasma (CAP), is a near room temperature ionized gas composed of reactive species, charged particles, neutral particles,…

Through the last decade, cold atmospheric plasma (CAP) has emerged as an innovative therapeutic option for cancer treatment. Recently, we have set up a potentially safe atmospheric pressure plasma jet device that displays antitumoral…

The textile industry is searching for innovative production techniques to improve the product quality, as well as society requires new finishing techniques working in environmental respect. Plasma surface treatments show distinct…

Popular Physics · Physics 2008-01-25 Amelia Sparavigna

Plasma medicine is an emerging and innovative interdisciplinary research field combining biology, chemistry, physics, engineering, and medicine. However, the safe clinical application of cold atmospheric plasma (CAP) technology is still a…

Medical Physics · Physics 2023-05-31 Zhitong Chen , Richard Obenchain , Richard E. Wirz

Cold atmospheric plasma (CAP) was shown to affect cells not only directly, but also indirectly by means of plasma pre-treated solution. This study investigated a new application of CAP generated in deionized (DI) water for the cancer…

Medical Physics · Physics 2016-10-17 Zhitong Chen , Li Lin , Xiaoqian Cheng , Eda Gjika , Michael Keidar

We report the effects of reducing surface asperity size at the nanometer scale on metallic surfaces by plasma-assisted surface modification processes using simulations and experiments. Molecular dynamics (MD) simulations were conducted by…

Cold atmospheric plasma (CAP) is a near room temperature ionized gas, generated under non-equilibrium discharge conditions. Here we show that a short exposure of rat peritoneal exudate macrophages and T-cells to CAP in vitro, triggered an…

Medical Physics · Physics 2022-02-01 Fengdong Cheng , Dayun Yan , Jie Chen , Zi Wang , Alex Horkowitz , Michael Keidar , Eduardo M. Sotomayor

Micro-sized cold atmospheric plasma (uCAP) has been developed to expand the applications of CAP in cancer therapy. In this paper, uCAP devices with different nozzle lengths were applied to investigate effects on both brain (glioblastoma…

Tissues and Organs · Quantitative Biology 2018-04-24 Zhitong Chen , Li Lin , Qinmin Zheng , Jonathan H. Sherman , Jerome Canady , Barry Trink , Michael Keidar

The mechanisms of physical and chemical interactions of low temperature plasmas with surfaces can be fruitfully explored using molecular dynamics (MD) simulations. MD simulations follow the detailed motion of sets of interacting atoms…

Computational Physics · Physics 2015-05-13 David B. Graves , Pascal Brault

Atmospheric pressure plasma (APP) generates highly reactive species that are useful for surface activations. We demonstrate a fast regeneration of iron oxides, that are popular catalysts in various industrial processes, using…

Plasma Physics · Physics 2021-03-01 Jaemin Yoo , Dongkyu Lee , Jimo Lee , Taehyeong Kim , Hyungyu Jin , Gunsu S. Yun

In the last decades, to improve the CAP treatment efficiency, its biological effects in combination with other physical modalities have widely investigated. However, the physical insight into most of supposed synergistic effects remained…

The formation of gaseous, spherical cap-shaped domains (so-called "surface nanobubbles") at the solid-liquid interface is a topic of fundamental interest due to the possible effects of nanobubbles on surface cleaning, wetting, and nanoscale…

Chemical Physics · Physics 2025-05-21 Anayet Ullah Siddique , Roseanne Warren

Here we show that, despite a massive incident flux of energetic species, plasmas can induce transient cooling of a material surface. Using time-resolved optical thermometry in-situ with this plasma excitation, we reveal the novel underlying…

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