Solvated Electron Chemistry at a Plasma-liquid Interface PDF Download
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Author: Paul F. Rumbach
Publisher:
ISBN:
Category :
Languages : en
Pages : 118
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Author: Paul F. Rumbach
Publisher:
ISBN:
Category :
Languages : en
Pages : 118
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Author: Sander Bekeschus
Publisher: CRC Press
ISBN: 1040086209
Category : Medical
Languages : en
Pages : 235
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Book Description
Plasma medicine uses non-equilibrium plasmas generated under atmospheric-pressure conditions. Therapeutical plasmas can stimulate tissue regeneration or inactivate cancer cells. This book reviews the interrelation between plasma chemistry and biochemistry complemented by discussion of the ways plasmas inactivate various pathogens. Focus is on the plasma effects on mammalian cells, subsequent consequences for cell-biological processes, and plasma applicability specific medical therapies. Contributions illustrate the ways cold atmospheric-pressure plasma can be used as a controllable source of redox-active species and as a useful tool for research in redox biology. Key Features Summarizes plasma chemistry, biochemistry, and microbiology Documents the ways plasmas interact with lipids, membranes, and cells Reviews therapeutic uses of plasmas in medicine Focuses on uses of plasmas as cancer treatment
Author: Edwin James Hart
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 320
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 200
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Solvated electrons are powerful liquid-phase reagents that break chemical bonds and thereby create additional reactive species. We explored the distinct chemistry initiated by electrons liberated near the liquid surface rather than within the bulk, by detecting the products resulting from exposure of liquid glycerol to a beam of sodium atoms. Na atoms ionized in the surface region, generating electrons that reacted with deuterated glycerol, C3D5(OD)3, to produce D atoms, D2, D2O, and glycerol fragments. Surprisingly, 43 ℗l 4% of the D atoms traversed the interfacial region and desorbed into vacuum before attacking C-D bonds to produce D2. Experiments utilizing partially deuterated glycerol revealed that electrons cleave O-H versus O-D bonds in a ratio of at least ~20:1 to form H and D atoms, which most likely proceed to form molecular hydrogen by abstraction of H from glycerol C-H groups. Residence time measurements indicated that molecular hydrogen desorbs into vacuum within ~10 Îos on average after the Na atom's first contact with the surface, corresponding a near-interfacial depth for creation of hydrogen atoms of ~50 ©5. Experiments also indicated that 20% of Na atoms impinging on glycerol at an incident angle Îinc = 45℗ scatter from the surface of glycerol while retaining most of their 12 kJ/mol incident kinetic energy. Comparison to Na-atom scattering from a Teflon surface indicated that80% of the Na atoms instead enter the liquid where they presumably ionize to form Na+ and e-. Ab initio molecular dynamics simulations of the Na atom colliding with a 17-molecule glycerol cluster were used to investigate its solvation and ionization. Glycerol OH groups reoriented throughout the 10 ps trajectory, forming a solvent cage around the ionizing Na atom and its electron. While the atom reaches maximum ionization near the end of the 10 ps trajectory, it does not strictly increase throughout the trajectory, likely due to positional and orientational fluctuations of the glycerol OH and CH groups. The extent of ionization tracked well with coordination of Na+ and e- to the O and H atoms of the OH groups, implying simultaneous, rather than sequential, solvation and ionization.
Author: Edwin James Hart
Publisher: John Wiley & Sons
ISBN:
Category : Science
Languages : en
Pages : 298
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Author:
Publisher: Elsevier
ISBN: 0128098945
Category : Science
Languages : en
Pages : 5276
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Book Description
Encyclopedia of Interfacial Chemistry: Surface Science and Electrochemistry, Seven Volume Set summarizes current, fundamental knowledge of interfacial chemistry, bringing readers the latest developments in the field. As the chemical and physical properties and processes at solid and liquid interfaces are the scientific basis of so many technologies which enhance our lives and create new opportunities, its important to highlight how these technologies enable the design and optimization of functional materials for heterogeneous and electro-catalysts in food production, pollution control, energy conversion and storage, medical applications requiring biocompatibility, drug delivery, and more. This book provides an interdisciplinary view that lies at the intersection of these fields. Presents fundamental knowledge of interfacial chemistry, surface science and electrochemistry and provides cutting-edge research from academics and practitioners across various fields and global regions
Author: Anton Nikiforov
Publisher: BoD – Books on Demand
ISBN: 1838802495
Category : Science
Languages : en
Pages : 146
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Book Description
Plasma as the fourth state of matter is an ionized gas consisting of both negative and positive ions, electrons, neutral atoms, radicals, and photons. In the last few decades, atmospheric-pressure plasmas have started to attract increasing attention from both scientists and industry due to a variety of potential applications. Because of increasing interest in the topic, the focus of this book is on providing engineers and scientists with a fundamental understanding of the physical and chemical properties of different atmospheric-pressure plasmas via plasma diagnostic techniques and their applications. The book has been organized into two parts. Part I focuses on the latest achievements in advanced diagnostics of different atmospheric-pressure plasmas. Part II deals with applications of different atmospheric-pressure plasmas.
Author: XinPei Lu
Publisher: CRC Press
ISBN: 0429620721
Category : Science
Languages : en
Pages : 388
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Book Description
Nonequilibrium atmospheric pressure plasma jets (N-APPJs) generate plasma in open space rather than in a confined chamber and can be utilized for applications in medicine. This book provides a complete introduction to this fast-emerging field, from the fundamental physics, to experimental approaches, to plasma and reactive species diagnostics. It provides an overview of the development of a wide range of plasma jet devices and their fundamental mechanisms. The book concludes with a discussion of the exciting application of plasmas for cancer treatment. The book provides details on experimental methods including expert tips and caveats. covers novel devices driven by various power sources and the impact of operating conditions on concentrations and fluxes of the reactive species. discusses the latest advances including theory, modeling, and simulation approaches. gives an introduction, overview and details on state of the art diagnostics of small scale high gradient atmospheric pressure plasmas. covers the use of N-APPJs for cancer applications, including discussion of destruction of cancer cells, mechanisms of action, and selectivity studies. XinPei Lu is a Chair Professor in the School of Electrical and Electronic Engineering at Huazhong University of Science and Technology. Stephan Reuter is currently Visiting Professor at Université Paris-Saclay. In a recent Alexander von Humboldt research fellowship at Princeton University, he performed ultrafast laser spectroscopy on cold plasmas. Mounir Laroussi is Professor of Electrical and Computer Engineering and director of the Plasma Engineering and Medicine Institute at Old Dominion University. He is a Fellow of IEEE and recipient of an IEEE Merit Award. DaWei Liu is Professor in the School of Electrical and Electronic Engineering at Huazhong University of Science and Technology.
Author: Frances M. Ross
Publisher: Cambridge University Press
ISBN: 1107116570
Category : Science
Languages : en
Pages : 529
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Book Description
2.6.2 Electrodes for Electrochemistry
Author: American Chemical Society. Division of Physical Chemistry
Publisher:
ISBN:
Category : Electrolysis
Languages : en
Pages : 304
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Book Description
