Listar Departamento de Física Aplicada, Radiología y Medicina Física por autor "ead17576-a04d-42fd-8c8e-1e85d4a085af"
Mostrando ítems 1-20 de 25
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An investigation of an underwater steam plasma discharge as alternative to air plasmas for water purification
Gucker, Sarah N.; Foster, John E.; García, María C (IOP Publishing, 2015)An underwater steam plasma discharge, in which water itself is the ionizing media, is investigated as a means to introduce advanced oxidation species into contaminated water for the purpose of water purification. The steam ... -
Application of LIBS technology for determination of Cl concentrations in mortar samples
Mateo, Juan; Quintero, María Carmen; Fernández, José M.; García, María C; Rodero Serrano, Antonio (Elsevier, 2019)In a society where the cement and concrete industry is of great importance, the diagnosis of the quality of these materials has become a matter of highest priority. One of the maximum exponents of the deterioration of a ... -
Characterization of an Air-Based Coaxial Dielectric Barrier Discharge Plasma Source for Biofilm Eradication
Soler-Arango, Juliana; Brelles-Mariño, Graciela; Rodero Serrano, Antonio; García, María C (Springer, 2018)Air-based atmospheric-pressure cold plasmas are a source of charged particles, excited species, radicals, and UV rays, known to induce degradation of biomaterials. In this work we characterize an air-based Dielectric Barrier ... -
Clinical and Biological Principles of Cold Atmospheric Plasma Application in Skin Cancer
Gay Mimbrera, Jesús; García, María C; Isla Tejera, Beatriz; Rodero Serrano, Antonio; Vélez García-Nieto, Antonio; Ruano, Juan (Springer, 2016)Plasma-based electrosurgical devices have long been employed for tissue coagulation, cutting, desiccation, and cauterizing. Despite their clinical benefits, these technologies involve tissue heating and their effects are ... -
Excitation of Species in an Expanded Argon Microwave Plasma at Atmospheric Pressure
García, María C; Varo-Martínez, Marta; Martínez, Pilar (2010)The excitation capability of an argon microwave plasma flame expanded at atmospheric pressure has been studied. For this purpose, argon with different proportions of nitrogen was introduced at the end of the expanded flame, ... -
Gas temperature and air fraction diagnosis of helium cold atmospheric plasmas by means of atomic emission lines
García, María C; Yubero, Cristina; Rodero Serrano, Antonio (Elsevier, 2022)In this work, we present a new method allowing the determination of both the gas temperature and the air fraction in non-thermal atmospheric helium plasmas. This new UV-Atomic Emission Spectroscopy technique based on the ... -
Gas temperature determination in an argon non-thermal plasma at atmospheric pressure from broadenings of atomic emission lines
Yubero, Cristina; Rodero Serrano, Antonio; Dimitrijevic, Milan S.; Gamero, Antonio; García, María C (Elsevier, 2017)In this work a new spectroscopic method, allowing gas temperature determination in argon non-thermal plasmas sustained at atmospheric pressure, is presented. The method is based on the measurements of selected pairs of ... -
Gas temperature determination in microwave discharges at atmospheric pressure by using different Optical Emission Spectroscopy techniques
Yubero, Cristina; García, María C; Varo-Martínez, Marta; Martínez, Pilar (Elsevier, 2013)Non-thermal plasmas sustained at atmospheric pressure are considered as a very promising technology for different purposes, in which the knowledge of the gas temperature is an important issue. In this paper, the gas ... -
Gas temperature determination of non-thermal atmospheric plasmas from the collisional broadening of argon atomic emission lines
Rodero Serrano, Antonio; García, María C (Elsevier, 2017)In this work we propose a new method allowing gas temperature determination in argon non-thermal plasma jets, based on the measurement of the collisional broadening of different argon atomic lines corresponding to transitions ... -
Measuring the air fraction and the gas temperature in non-thermal argon plasma jets through the study of the air influence on the collisional broadening of some argon atomic emission lines
García, María C; Yubero, Cristina; Rodero Serrano, Antonio (IOP Publishing, 2020)Cold atmospheric argon plasma jets have shown to be very promising in medicine and they are being currently used for therapeutical uses such as the healing of wounds or the treatment of tumors. Because they run in the open ... -
Measuring the electron density in plasmas from the difference of Lorentzian part of the widths of two Balmer series hydrogen lines
Yubero, Cristina; García, María C; Dimitrijevic, Milan S.; Sola, Antonio; Gamero, Antonio (Elsevier, 2015)We present an alternative optical emission spectroscopy method to measure the plasma electron density from the difference of widths of two Balmer series hydrogen lines (Hα and Hβ), especially convenient for non-thermal ... -
Microwave atmospheric pressure plasma jets for wastewater treatment: Degradation of methylene blue as a model dye
García, María C; Mora, Manuel; Esquivel, Dolores; Foster, John E.; Rodero Serrano, Antonio; Jiménez-Sanchidrián, César; Romero-Salguero, F.J (Elsevier, 2017)The degradation of methylene blue in aqueous solution as a model dye using a non thermal microwave (2.45 GHz) plasma jet at atmospheric pressure has been investigated. Argon has been used as feed gas and aqueous solutions ... -
Modified surfatron device to improve microwave-plasma-assisted generation of RONS and methylene blue degradation in water
Amaro-Gahete, J.; Romero-Salguero, F.J; García, María C. (Elsevier, 2024)Microwave-induced plasmas generated at atmospheric pressure are very attractive for a great variety of applications since they have a relatively high electron density and can generate large amounts of reactive species. ... -
Optical Emission Spectroscopy Investigation of a 1-atm DC Glow Discharge With Liquid Anode and Associated Self-Organization Patterns
Kovach, Yao E.; García, María C; Foster, John E. (IEEE, 2019)Optical emission spectroscopy is used to study a 1-atm dc helium glow discharge with a liquid anode to obtain insight into the physical mechanisms underlying observed plasma self-organization at the liquid surface. Plasma ... -
Preparation of graphene-based nanomaterials by pulsed RF discharges on liquid organic compounds
Amaro-Gahete, J.; Mora, Manuel; Gutiérrez, Pablo; Cosano, Daniel; Esquivel, Dolores; Ruiz, José R.; Jiménez-Sanchidrián, César; García, María C; Romero-Salguero, F.J (IOP Publishing, 2020)A new pulsed RF plasma reactor has been used for the synthesis of graphene-based nanomaterials under atmopheric pressure conditions. This is an environmental-friendly system, not using catalyst and where no hazardous ... -
Promise of nonthermal plasmas in addressing emerging environmental and health problems: Present and future
Foster, John E.; García, María C (AIP Publishing, 2022)Nonthermal atmospheric pressure plasmas transform input electrical energy efficiently into reactive species, charged particles, and photons. This “activated gas” is being investigated as solutions for a range of environmental ... -
Selectivity Control in a Microwave Surface-Wave Plasma Reactor for Hydrocarbon Conversion
Mora, Manuel; García, María C; Jiménez-Sanchidrián, César; Romero-Salguero, F.J (Wiley, 2011)Drastic changes in the selectivity toward different products have been found in the transformation of n-hexane in a microwave surface-wave plasma reactor. Either ethylene or hydrogen can be obtained with a high selectivity ... -
Self-organization in 1 atm DC glows with liquid anodes: current understanding and potential applications
Foster, John E.; Kovach, Yao E.; Lai, Janis; García, María C (IOP Publishing, 2020)Self-organization refers to the spontaneous generation of spatially or temporally organized patterns in an otherwise disordered system. Self-organization is ubiquitous in plasma physics particularly in the low-pressure ... -
Spectroscopic characterization of a neon surface-wave sustained (2.45 GHz) discharge at atmospheric pressure
Sáinz, Abel; García, María C (Elsevier, 2008)In this paper a spectroscopic study of a microwave (2.45 GHz) neon surface-wave sustained discharge (SWD) at atmospheric pressure in a quartz tube has been carried out in order to determine the plasma characteristic ... -
Spectroscopic Study of an Expanded Argon Microwave (2.45 GHz) Plasma at Atmospheric Pressure in a Helium Environment
García, María C; Varo-Martínez, Marta; Martínez, Pilar (SAGE, 2009)In the present work, an argon microwave (2.45 GHz) plasma flame created at the end of a surface-wave-sustained discharge column in a helium environment has been experimentally studied. This is a plasma with new possibilities ...