Results 11 to 20 of about 20,910 (257)

COMPARATIVE ANALYSIS OF TWO METHODS FOR SYNTHESIS OF FULLERENES AT DIFFERENT HELIUM PRESSURES [PDF]

open access: yes, 2021
The results of the effect of helium pressure in the chamber on the amount and composition of the produced fullerenes (C60, C70, etc.) synthesized in the arc plasma with graphite electrodes are presented. The findings obtained when the arc is powered by a
Osipova, I. V.   +3 more
core   +1 more source

Theoretical Evaluation of the Properties of Nitrogen-Doped C24 Fullerenes and Their Interactions with Two Adamantane-Derived Antivirals

open access: yesChemistry, 2023
The replacement of carbon with a heteroatom within the structure of a fullerene gives the possibility of obtaining compounds with adjustable properties.
Oana-Raluca Pop   +2 more
doaj   +1 more source

About the possibility of applying empirical methods of estimation of standard enthalpies of formation of organic compound for fullerenes

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2023
Due to the high practical significance and, as a consequence, active study of carbon nanomaterials, the question of methods for investigating their physicochemical, in particular, thermodynamic properties is relevant.
A.R. El Zanin   +5 more
doaj   +1 more source

Matching Polynomial-Based Similarity Matrices and Descriptors for Isomers of Fullerenes

open access: yesInorganics, 2023
I have computed the matching polynomials of a number of isomers of fullerenes of various sizes with the objective of developing molecular descriptors and similarity measures for isomers of fullerenes on the basis of their matching polynomials.
Krishnan Balasubramanian
doaj   +1 more source

Methodological Investigation for Hydrogen Addition to Small Cage Carbon Fullerenes

open access: yesCrystals, 2021
Hydrogenated small fullerenes (Cn, n < 60) are of interest as potential astrochemical species, and as intermediates in hydrogen-catalysed fullerene growth.
Yuri Tanuma, Toru Maekawa, Chris Ewels
doaj   +1 more source

In silico investigation on sensing of tyramine by boron and silicon doped C60 fullerenes

open access: yesScientific Reports, 2023
The present communication deals with the adsorption of tyramine neurotransmitter over the surface of pristine, Boron (B) and Silicon (Si) doped fullerenes.
S. Pattanaik   +13 more
doaj   +1 more source

Fullerenes, PAHs, Amino Acids and High Energy Astrophysics

open access: yesActa Polytechnica CTU Proceedings, 2014
We present theoretical, observational and laboratory work on the spectral properties of fullerenes and hydrogenated fullerenes. Fullerenes in its various forms (individual, endohedral, hydrogenated, etc.) can contribute to the UV bump in the extinction ...
Susana Iglesias-Groth
doaj   +1 more source

Biocatalysts based on complexes of carbon nanomaterials with cysteine proteases

open access: yesКонденсированные среды и межфазные границы, 2023
The purpose of the research is to develop and study biocatalysts based on complexes of cysteine proteases with fullerenes and carbon nanotubes. During the formation of ficin complexes with fullerenes and carbon nanotubes, the activity of hybrid ...
Svetlana S. Goncharova   +4 more
doaj   +1 more source

On the restricted three-body model of the dynamical behaviour of masses of C70 fullerenes at the nanoscale

open access: yesHeliyon, 2022
The present study investigates the positions and stability of C70 fullerenes. Numerically, the positions and stability have been computed C70 fullerene at the nanoscale to show the effects of the parameters involved with the help of software MATHEMATICA.
Jagadish Singh, Richard Kanshio Tyokyaa
doaj   +1 more source

Ultrafast method of fullerenes extraction from carbon condensate

open access: yes, 2020
Текст статьи не публикуется в открытом доступе в соответствии с политикой журнала.The Soxhlet extraction method (SE) only used in the extraction of fullerenes from carbon condensate (CC) obtained in the fullerene production facility, which in the ...
Aleksander I. Dudnik   +3 more
core   +1 more source

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