Microwave plasma enabled synthesis of free standing carbon nanostructures at atmospheric pressure conditions

2018 ◽  
Vol 20 (20) ◽  
pp. 13810-13824 ◽  
Author(s):  
N. Bundaleska ◽  
D. Tsyganov ◽  
A. Dias ◽  
E. Felizardo ◽  
J. Henriques ◽  
...  
Keyword(s):  
Atmospheric Pressure ◽  
Carbon Nanostructures ◽  
Microwave Plasma ◽  
Chemical Processes ◽  
Free Standing ◽  
Schematic Representation ◽  
Plasma Environment ◽  
Physico Chemical

Schematic representation of the physico-chemical processes involved in the formation of carbon nanostructures in the microwave plasma environment.

Nucleophilicity and its parametrization

1989 ◽  
Vol 54 (1) ◽  
pp. 117-135
Author(s):  
Oldřich Pytela ◽  
Vítězslav Zima
Keyword(s):  
Regression Analysis ◽  
Linear Correlation ◽  
Correlation Equation ◽  
Chemical Processes ◽  
General Tendency ◽  
Orbital Interaction ◽  
Physico Chemical ◽  
Physical And Chemical ◽  
Two Parameter ◽  
Better Than

The method of conjugate deviations based on the regression analysis has been suggested for construction of a new nucleophilicity scale. This method has been applied to a set of 28 nucleophiles participating in 47 physical and chemical processes described in literature. The two-parameter nucleophilicity scale obtained represents-in the parameter denoted as ND-the general tendency to form a bond to an electrophile predominantly on the basis of the orbital interaction and-in the parameter denoted as PD-the ability to interact with a centre similar to the proton (basicity). The linear correlation equation involving the ND, PD parameters and the charge appears to be distinctly better than the most significant relations used. The correlation dependences have the physico-chemical meaning. From the position of individual nucleophiles in the space of the ND and PD parameters, some general conclusions have been derived about the factors governing the reactivity of nucleophiles.

Assessment of two atmospheric-pressure microwave plasma sources for H2 production from ethanol decomposition

2021 ◽  
Vol 294 ◽  
pp. 116948
Author(s):  
R. Rincón ◽  
J. Muñoz ◽  
F.J. Morales-Calero ◽  
J. Orejas ◽  
M.D. Calzada
Keyword(s):  
Atmospheric Pressure ◽  
Microwave Plasma ◽  
H2 Production ◽  
Plasma Sources ◽  
Ethanol Decomposition

Enzymes at solid surfaces: Nature of the interfaces and physico-chemical processes

2008 ◽  
Vol 54 (1) ◽  
pp. 116-122 ◽  
Author(s):  
Samuel Caillou ◽  
Patrick A. Gerin ◽  
Cristèle J. Nonckreman ◽  
Sandrine Fleith ◽  
Christine C. Dupont-Gillain ◽  
...  
Keyword(s):  
Chemical Processes ◽  
Solid Surfaces ◽  
Physico Chemical

Cleaning with Laser Radiation on Istria Stone

1992 ◽  
Vol 267 ◽  
Author(s):  
Pagona Maravelaki ◽  
G. Biscontin ◽  
E. Zendri ◽  
R. Polloni ◽  
W. Cecchetti
Keyword(s):  
Laser Radiation ◽  
Laser Treatment ◽  
Chemical Processes ◽  
Original Material ◽  
Stone Surface ◽  
Stone Conservation ◽  
Physico Chemical

ABSTRACTCleaning treatments necessary for stone conservation consist of removing compounds that were superimposed on the original material by means of physico-chemical processes.,The purpose of this work is to identify the transformation of stone surface by the LASER treatment. Cleaning test on Istria stone with LASER radiation at different energies and in different regimes have been performed. The depletion of the original material has been evaluated by means of SEM microprobe analyses.

scholarly journals Influence of gas flow on argon microwave plasma jet at atmospheric pressure

2011 ◽  
Vol 206 (6) ◽  
pp. 1449-1453 ◽  
Author(s):  
Shouichiro Iio ◽  
Kosuke Yanagisawa ◽  
Chizuru Uchiyama ◽  
Katsuya Teshima ◽  
Naomichi Ezumi ◽  
...  
Keyword(s):  
Atmospheric Pressure ◽  
Gas Flow ◽  
Microwave Plasma ◽  
Plasma Jet

scholarly journals X-ray and UV Radiation Damage of dsDNA/Protein Complexes

Molecules ◽  
2021 ◽  
Vol 26 (11) ◽  
pp. 3132
Author(s):  
Paweł Wityk ◽  
Dorota Kostrzewa-Nowak ◽  
Beata Krawczyk ◽  
Michał Michalik ◽  
Robert Nowak
Keyword(s):  
Dna Damage ◽  
Simple Model ◽  
Uv Radiation ◽  
Protein Complexes ◽  
Chemical Processes ◽  
Model Systems ◽  
Degradation Pathways ◽  
X Ray ◽  
Physico Chemical ◽  
Sensitization Process

Radiation and photodynamic therapies are used for cancer treatment by targeting DNA. However, efficiency is limited due to physico-chemical processes and the insensitivity of native nucleobases to damage. Thus, incorporation of radio- and photosensitizers into these therapies should increase both efficacy and the yield of DNA damage. To date, studies of sensitization processes have been performed on simple model systems, e.g., buffered solutions of dsDNA or sensitizers alone. To fully understand the sensitization processes and to be able to develop new efficient sensitizers in the future, well established model systems are necessary. In the cell environment, DNA tightly interacts with proteins and incorporating this interaction is necessary to fully understand the DNA sensitization process. In this work, we used dsDNA/protein complexes labeled with photo- and radiosensitizers and investigated degradation pathways using LC-MS and HPLC after X-ray or UV radiation.

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