Plasma treatment on finger nails prior to coating with a varnish

Kaemling, C.; Kaemling, A.; Tümmel, Stephanie; Viöl, Wolfgang

doi:10.1016/j.surfcoat.2005.01.065

Cited by 19 publications

(13 citation statements)

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“…The DBD source consists of a ring‐shaped copper electrode covered ( ϕ e = 8 mm) with ceramic (Al 2 O 3 ) for a thickness of 1 mm which forms the upper electrode of the DBD source. The opposite electrode can be an object of high capacitance, like the human body 17. The upper electrode is energized by applying a pulsed high‐voltage power supply.…”

Section: Experimental Partmentioning

confidence: 99%

“…Our DBD plasma source can be used to ignite a discharge in ambient air at close proximity to surface of human body, without causing any damage to skin and can be applied without any pain because the electric current is low despite the high voltage necessary for ignition 17. In this case, the human body itself can serve as the ‘opposite’ electrode.…”

Section: Introductionmentioning

confidence: 99%

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Filamentary and Homogeneous Modes of Dielectric Barrier Discharge (DBD) in Air: Investigation through Plasma Characterization and Simulation of Surface Irradiation

Rajasekaran

Mertmann

Bibinov

et al. 2010

Plasma Processes & Polymers

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The reported dielectric barrier discharge (DBD) source comprises of a ceramic‐covered copper electrode, and plasma can be ignited in ambient air with grounded ‘opposite’ electrodes or with objects of high capacitance (e.g., human body), when breakdown conditions are satisfied. Filamentary plasma mode is observed when the same source is operated using grounded opposite electrodes like aluminium plate and phosphate buffered saline solution, and a homogeneous plasma mode when operated on glass. When the source is applied on human body, both homogeneous and filamentary discharges occur simultaneously which cannot be resolved into two separate discharges. Here, we report the characterization of filamentary and homogeneous modes of DBD plasma source using the above mentioned grounded electrodes, by applying optical emission spectroscopy, microphotography and numerical simulation. Averaged plasma parameters like electron velocity distribution function and electron density are determined. Fluxes of nitric oxide, ozone and photons reaching the treated surface are simulated. These fluxes obtained in different discharge modes namely, single‐filamentary discharge (discharge ignited in same position), stochastical filamentary discharge and homogeneous discharge are compared to identify their applications in human skin treatment. It is concluded that the fluxes of photons and chemically‐active particles in the single filamentary mode are the highest but the treated surface area is very small. For treating larger area, the homogeneous DBD is more effective than stochastical filamentary discharge.

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Section: Experimental Partmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Filamentary and Homogeneous Modes of Dielectric Barrier Discharge (DBD) in Air: Investigation through Plasma Characterization and Simulation of Surface Irradiation

Rajasekaran

Mertmann

Bibinov

et al. 2010

Plasma Processes & Polymers

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“…The inactivation of microorganisms and the removal of biological hazardous contaminants is generally of great interest not only for the conditioning of surgical instruments but also plays a substantial role in the entire field of life science (Moreau et al, 2008;Wan et al, 2009). This varies from microbicidal treatment of food or food containing enclosures, the prevention or cure of infectious diseases, the bleaching of teeth, the treatment of finger nails for improved adhesion, the installation of appropriate hygiene strategies, the sterilization of spacecrafts up to the use of plasmas sources for medical applications like wound disinfection or stimulus for wound healing Weltmann et al, 2008a;Lee et al, 2010;Cooper et al, 2007;Kaemling et al, 2005;Weltmann et al, 2010). Nevertheless, the sterilization of medical devices is still a main topic.…”

Section: Introductionmentioning

confidence: 99%

Low temperature atmospheric pressure plasma sources for microbial decontamination

Ehlbeck¹,

Schnabel²,

Polák³

et al. 2010

J. Phys. D: Appl. Phys.

642

415

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To cite this version:J EhlbeckAbstract. The aim of this article is to provide a survey of plasma sources at atmospheric pressure used for microbicidal treatment. In order to consider the interdisciplinary character of this topic an introduction and definition of basic terms and procedures is given for plasma as well as for microbicidal issues. The list of plasma sources makes no claim to be complete, but to represent the main principles of plasma generation at atmospheric pressure and to give an example of their microbicidal efficiency. The interpretation of the microbicidal results remain difficult due to the non standardized methods uses by different authors and due to the fact that small variations in the set up can change the results dramatically.

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“…With a new design of the electrode the application of a DBD seems to be possible while the tissue itself acts as counterelectrode 4–9…”

Section: Introductionmentioning

confidence: 99%

Low Temperature Plasma Treatment of Living Human Cells

Tümmel¹,

Mertens²,

Wang³

et al. 2007

Plasma Process. Polym.

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The purpose of this article is to provide a sustainable dielectric barrier discharge for the treatment of living biological tissue. The investigation aims at the innocuousness of plasma treatment by DBD with biological tissue as counterelectrode on biomaterial. Instead of human tissue, pork and in vitro living epidermal human cells are used for the plasma treatment. Potential detrimental effects like current conduction, temperature, ozone and UV‐irradiation are investigated. All the levels are below the danger threshold. After plasma treatment of human cells, no cell damage could be detected. Hence applications on human beings with a DBD plasma source seems to be possible.

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Plasma treatment on finger nails prior to coating with a varnish

Cited by 19 publications

References 1 publication

Filamentary and Homogeneous Modes of Dielectric Barrier Discharge (DBD) in Air: Investigation through Plasma Characterization and Simulation of Surface Irradiation

Filamentary and Homogeneous Modes of Dielectric Barrier Discharge (DBD) in Air: Investigation through Plasma Characterization and Simulation of Surface Irradiation

Low temperature atmospheric pressure plasma sources for microbial decontamination

Low Temperature Plasma Treatment of Living Human Cells

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