Direct EPR detection of atomic nitrogen in an atmospheric nitrogen plasma jet

2020 ◽  
Vol 22 (7) ◽  
pp. 3875-3882
Author(s):  
Arpad Mihai Rostas ◽  
Loic Ledernez ◽  
Lisa Dietel ◽  
Lorenz Heidinger ◽  
Michael Bergmann ◽  
...  
Keyword(s):  
Real Time ◽  
Epr Spectroscopy ◽  
Relaxation Times ◽  
Plasma Jet ◽  
Nitrogen Plasma ◽  
Atmospheric Nitrogen ◽  
Atomic Nitrogen ◽  
Pulse Epr

A nitrogen plasma generated by a self-designed microplasma device was analyzed by cw and pulse EPR spectroscopy in real time. Nitrogen atoms were detected and characterized in terms of spectral widths, relaxation times and actual concentrations.

Electron Temperature Determination from Non-LTE Populations in a Nitrogen Plasma JET

1975 ◽  
Vol 30 (9) ◽  
pp. 1143-1155
Author(s):  
A. Catherinot ◽  
A. Sy
Keyword(s):  
Excited State ◽  
Pressure Range ◽  
Electronic Excitation ◽  
Plasma Jet ◽  
Nitrogen Plasma ◽  
Measured Data ◽  
Atomic Nitrogen ◽  
Plasma Model ◽  
Boltzmann Plot ◽  
Two Temperatures

Atomic nitrogen electronic state populations and electron density have been measured in a high power nitrogen plasma jet in the pressure range 50 < P (Torr) < 150. A Boltzmann plot of the excited state populations led to electronic excitation temperatures depending on the groups of levels considered. Low and high lying levels yielded excitation temperatures which differed up to 80% at P = 120 Torr. The measured data are analysed in the frame of a two-temperatures diffusiondominated plasma model

scholarly journals Synthesis of Ammonia through Direct Chemical Reactions between an Atmospheric Nitrogen Plasma Jet and a Liquid

2010 ◽  
Vol 5 ◽  
pp. 042-042 ◽  
Author(s):  
Yuusuke KUBOTA ◽  
Kazutaka KOGA ◽  
Masatomi OHNO ◽  
Tamio HARA
Keyword(s):  
Chemical Reactions ◽  
Plasma Jet ◽  
Nitrogen Plasma ◽  
Atmospheric Nitrogen

EPR Spectroscopy Elucidates the Electronic Structure of [FeV(O)(TAML)] Complexes

2021 ◽  
Author(s):  
Yujeong Kim ◽  
Jin Kim ◽  
Linh. K. Nguyen ◽  
Yong-Min Lee ◽  
Wonwoo Nam ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Epr Spectroscopy ◽  
Macrocyclic Ligands ◽  
Spin Hamiltonian ◽  
Pulse Epr ◽  
Hamiltonian Parameters

Multifrequency, multitechnique pulse EPR spectroscopy was employed to unravel the spin Hamiltonian parameters of 17O in the [FeV=O] moiety with two different tetraamido macrocyclic ligands (TAMLs), [FeV(O)(TAML-1)]– (1, H4(TAML-1) =...

Micro electrical discharge machining in nitrogen plasma jet

2018 ◽  
Vol 51 ◽  
pp. 198-207 ◽  
Author(s):  
Rimao Zou ◽  
Zuyuan Yu ◽  
Chengyang Yan ◽  
Jianzhong Li ◽  
Xin Liu ◽  
...  
Keyword(s):  
Electrical Discharge ◽  
Electrical Discharge Machining ◽  
Plasma Jet ◽  
Nitrogen Plasma ◽  
Micro Electrical Discharge Machining

scholarly journals Characterizing SPASM/twitch Domain-Containing Radical SAM Enzymes by EPR Spectroscopy

2021 ◽  
Author(s):  
Aidin R. Balo ◽  
Lizhi Tao ◽  
R. David Britt
Keyword(s):  
Epr Spectroscopy ◽  
Continuous Wave ◽  
Spectroscopic Studies ◽  
Paramagnetic Species ◽  
Paramagnetic Resonance ◽  
Iron Sulfur Cluster ◽  
Radical Sam Enzymes ◽  
Iron Sulfur ◽  
Pulse Epr ◽  
Multiple Domains

AbstractOwing to their importance, diversity and abundance of generated paramagnetic species, radical S-adenosylmethionine (rSAM) enzymes have become popular targets for electron paramagnetic resonance (EPR) spectroscopic studies. In contrast to prototypic single-domain and thus single-[4Fe–4S]-containing rSAM enzymes, there is a large subfamily of rSAM enzymes with multiple domains and one or two additional iron–sulfur cluster(s) called the SPASM/twitch domain-containing rSAM enzymes. EPR spectroscopy is a powerful tool that allows for the observation of the iron–sulfur clusters as well as potentially trappable paramagnetic reaction intermediates. Here, we review continuous-wave and pulse EPR spectroscopic studies of SPASM/twitch domain-containing rSAM enzymes. Among these enzymes, we will review in greater depth four well-studied enzymes, BtrN, MoaA, PqqE, and SuiB. Towards establishing a functional consensus of the additional architecture in these enzymes, we describe the commonalities between these enzymes as observed by EPR spectroscopy.

Experimental study on characteristics of direct-current laminar-flow nitrogen plasma-jet

2014 ◽  
Vol 26 (9) ◽  
pp. 92005 ◽  
Author(s):  
向勇 Xiang Yong ◽  
余德平 Yu Deping ◽  
曹修全 Cao Xiuquan ◽  
姚进 Yao Jin
Keyword(s):  
Experimental Study ◽  
Laminar Flow ◽  
Direct Current ◽  
Plasma Jet ◽  
Nitrogen Plasma

Study of a low pressure nitrogen plasma jet

1995 ◽  
Vol 2 (7) ◽  
pp. 2853-2862 ◽  
Author(s):  
P. Domingo ◽  
A. Bourdon ◽  
P. Vervisch
Keyword(s):  
Plasma Jet ◽  
Low Pressure ◽  
Nitrogen Plasma

scholarly journals High-resolution measurement of long-range distances in RNA: pulse EPR spectroscopy with TEMPO-labeled nucleotides

2016 ◽  
Vol 7 (5) ◽  
pp. 3172-3180 ◽  
Author(s):  
Karin Halbmair ◽  
Jan Seikowski ◽  
Igor Tkach ◽  
Claudia Höbartner ◽  
Deniz Sezer ◽  
...  
Keyword(s):  
High Resolution ◽  
Long Range ◽  
Epr Spectroscopy ◽  
Base Pair ◽  
Distance Measurements ◽  
Model Free ◽  
High Resolution Measurement ◽  
Resolution Measurement ◽  
Pair Separation ◽  
Pulse Epr

Distance measurements in RNAs by pulse EPR with TEMPO-labeled nucleotides allow for model free conversion of distances into base-pair separation.

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