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27 Results Found

  • Article
  • Open Access
12 Citations
3,946 Views
9 Pages

Theoretical Investigation of Energetic Salts with Pentazolate Anion

  • Hao-Ran Wang,
  • Chong Zhang,
  • Bing-Cheng Hu and
  • Xue-Hai Ju

13 April 2020

Energetic salts based on pentazolate anion (cyclo-N5−) have attracted much attention due to their high nitrogen contents. However, it is an enormous challenge to efficiently screen out an appropriate cation that can match well with cyclo-N5&min...

  • Article
  • Open Access
11 Citations
14,735 Views
8 Pages

A TD-DFT Study on the Photo-Physicochemical Properties of Chrysophanol from Rheum

  • Xue Zhao,
  • Zebao Zheng,
  • Shuai Feng,
  • Zhiqiang Shi and
  • Dezhan Chen

13 July 2009

As a naturally occurring anthraquinone pigment, chrysophanol (MHAQ) has attracted considerable attention in recent years owing to its efficient photosensitivity under the solar spectrum. Considering the successful use of time-dependent density functi...

(This article belongs to the Special Issue Applications of Density Functional Theory)
  • Article
  • Open Access
3 Citations
4,258 Views
26 Pages

Hydrocarbon Oxidation Depth: H2O2/Cu2Cl4·2DMG/CH3CN System

  • Igor Yu. Shchapin,
  • Andrey I. Nekhaev,
  • Dzhamalutdin N. Ramazanov,
  • Mohammed Al-Yusufi and ,
  • Vadim O. Samoilov and
  • Anton L. Maximov
  • + 1 author+ 0 author

7 April 2022

The oxidation of hydrocarbons of different structures under the same conditions is an important stage in the study of the chemical properties of both the hydrocarbons themselves and the oxidation catalysts. In a 50% H2O2/Cu2Cl4·2DMG/CH3CN syst...

(This article belongs to the Special Issue Catalytic Oxidation of Hydrocarbons)
  • Article
  • Open Access
12 Citations
6,188 Views
18 Pages

14 August 2020

Since high voltage transmission line towers or wind turbines structures are installed in high-altitude areas, it is essential to achieve a high overvoltage protection system against direct and indirect lightning strikes collisions. The lightning curr...

(This article belongs to the Special Issue Resilient and Sustainable Distributed Energy Systems)
  • Article
  • Open Access
16 Citations
5,093 Views
13 Pages

Theoretical Study on Redox Potential Control of Iron-Sulfur Cluster by Hydrogen Bonds: A Possibility of Redox Potential Programming

  • Iori Era,
  • Yasutaka Kitagawa,
  • Natsumi Yasuda,
  • Taigo Kamimura and ,
  • Naoka Amamizu,
  • Hiromasa Sato,
  • Keigo Cho,
  • Mitsutaka Okumura and
  • Masayoshi Nakano
  • + 4 authors+ 0 author

11 October 2021

The effect of hydrogen bonds around the active site of Anabaena [2Fe-2S] ferredoxin (Fd) on a vertical ionization potential of the reduced state (IP(red)) is examined based on the density functional theory (DFT) calculations. The results indicate tha...

(This article belongs to the Special Issue Coordination Programming for Electro-, Magneto-, and Photofunctional Molecular Systems: A Theme Issue in Honor of Prof. Dr. Hiroshi Nishihara)
  • Article
  • Open Access
4 Citations
2,149 Views
13 Pages

13 July 2023

In this study, we investigated the electronic properties and selective adsorption for CO2 of nickel boride clusters (NiB)n, (n = 1~10) using the first principles method. We optimized the structures of the clusters and analyzed their stability based o...

(This article belongs to the Collection Green Energy and Environmental Materials)
  • Article
  • Open Access
45 Citations
4,815 Views
22 Pages

20 August 2021

Polyphenolic compounds are now widely studied using computational chemistry approaches, the most popular of which is Density Functional Theory. To ease this process, it is critical to identify the optimal level of theory in terms of both accuracy and...

(This article belongs to the Section Computational and Theoretical Chemistry)
  • Article
  • Open Access
4 Citations
2,916 Views
17 Pages

10 January 2024

In this computational study, we investigate the electronic properties of zigzag graphene nano-parallelograms (GNPs), which are parallelogram-shaped graphene nanoribbons of various widths and lengths, using thermally assisted occupation density functi...

(This article belongs to the Special Issue Multiconfigurational and DFT Methods Applied to Chemical Systems)
  • Article
  • Open Access
10 Citations
3,473 Views
8 Pages

Stability, Energetic, and Reactivity Properties of NiPd Alloy Clusters Deposited on Graphene with Defects: A Density Functional Theory Study

  • Adrián Martínez-Vargas,
  • Alfonso Vásquez-López,
  • Carlos D. Antonio-Ruiz,
  • Heriberto Cruz-Martínez and ,
  • Dora I. Medina and
  • Fernando Montejo-Alvaro
  • + 1 author+ 0 author

5 July 2022

Graphene with defects is a vital support material since it improves the catalytic activity and stability of nanoparticles. Here, a density functional theory study was conducted to investigate the stability, energy, and reactivity properties of NinPdn...

(This article belongs to the Section Materials Physics)
  • Article
  • Open Access
8 Citations
2,301 Views
8 Pages

A Comparative DFT Study on Process Control Agents in the Mechanochemical Synthesis of PbTe

  • Hugo Rojas-Chávez,
  • Alan Miralrio,
  • José M. Juárez-García,
  • Guillermo Carbajal-Franco and ,
  • Heriberto Cruz-Martínez,
  • Fernando Montejo-Alvaro and
  • Manuel A. Valdés-Madrigal
  • + 2 authors+ 0 author

23 September 2022

A process control agent is an organic additive used to regulate the balance between fracturing and mechanical kneading, which control the size of the as-milled particles. Tributyl phosphate (TBP) is evaluated to act as surface modifier of PbTe, and i...

(This article belongs to the Section Materials Science)
  • Article
  • Open Access
16 Citations
6,645 Views
16 Pages

25 June 2020

At the nanoscale, it has been rather troublesome to properly explore the properties associated with electronic systems exhibiting a radical nature using traditional electronic structure methods. Graphene nanoflakes, which are graphene nanostructures...

(This article belongs to the Section 2D and Carbon Nanomaterials)
  • Article
  • Open Access
10 Citations
2,876 Views
20 Pages

Oxidatively generated damage to DNA frequently appears in the human genome as the effect of aerobic metabolism or as the result of exposure to exogenous oxidizing agents, such as ionization radiation. In this paper, the electronic properties of singl...

  • Feature Paper
  • Article
  • Open Access
91 Citations
20,252 Views
21 Pages

Designing Post COVID-19 Buildings: Approaches for Achieving Healthy Buildings

  • Satheeskumar Navaratnam,
  • Kate Nguyen,
  • Kajanan Selvaranjan,
  • Guomin Zhang and ,
  • Priyan Mendis and
  • Lu Aye
  • + 1 author+ 0 author

12 January 2022

The COVID-19 pandemic forced the accessibility, social gathering, lifestyle, and working environment to be changed to reduce the infection. Coronavirus spreads between people in several different ways. Small liquid particles (aerosols, respiratory dr...

(This article belongs to the Special Issue Post-COVID Architecture Research)
  • Article
  • Open Access
3 Citations
2,503 Views
13 Pages

6 September 2024

Recently, oriented external electric fields (OEEFs) have earned much attention due to the possibility of tuning the properties of electronic systems. From a theoretical perspective, one can resort to electronic structure calculations to understand ho...

(This article belongs to the Special Issue Multiconfigurational and DFT Methods Applied to Chemical Systems—2nd Edition)
  • Article
  • Open Access
3 Citations
2,916 Views
22 Pages

19 August 2021

In this paper, we present a formulation of highly correlated Fock-space multi-reference coupled-cluster (FSMRCC) methods, including approximate triples on top of the FSMRCC with singles and doubles, which correct the electron affinities by at least a...

(This article belongs to the Special Issue Molecular Nano-Architectures: Chemistry and Physics)
  • Article
  • Open Access
11 Citations
4,437 Views
20 Pages

30 August 2021

To describe the molecular electronic structure of nucleic acid bases and other heterocycles, we employ the Linear Combination of Atomic Orbitals (LCAO) method, considering the molecular wave function as a linear combination of all valence orbitals, i...

(This article belongs to the Special Issue Computational Modeling and Simulation of Polymers and Biopolymers)
  • Article
  • Open Access
2 Citations
2,876 Views
17 Pages

Production of High-Power Nitrogen Sputtering Plasma for TiN Film Preparation

  • Taishin Sato,
  • Sawato Igarashi,
  • Katsuyuki Takahashi,
  • Seiji Mukaigawa and
  • Koichi Takaki

25 June 2024

High-density nitrogen plasma was produced using a high-power pulsed power modulator to sputter titanium targets for the preparation of titanium nitride film. The high-power pulsed sputtering discharge unit consisted of two targets facing each other w...

(This article belongs to the Special Issue Plasma Science and Plasma-Assisted Applications)
  • Article
  • Open Access
26 Citations
6,761 Views
15 Pages

Substitution Effects on the Optoelectronic Properties of Coumarin Derivatives

  • Amit Kumar,
  • Roberto Baccoli,
  • Antonella Fais,
  • Alberto Cincotti and ,
  • Luca Pilia and
  • Gianluca Gatto
  • + 1 author+ 0 author

23 December 2019

Coumarin derivatives have gathered major attention largely due to their versatile utility in a wide range of applications. In this framework, we report a comparative computational investigation on the optoelectronic properties of 3-phenylcoumarin and...

  • Article
  • Open Access
5 Citations
2,413 Views
14 Pages

Genetic information, irrespective of cell type (normal or cancerous), is exposed to a range of harmful factors, which can lead to more than 80 different types of DNA damage. Of these, oxoG and FapyG have been identified as the most abundant in normox...

(This article belongs to the Special Issue Future Challenges and Trends of Nucleic Acids)
  • Article
  • Open Access
319 Views
10 Pages

The ICARUS experiment is part of the Short-Baseline Neutrino program at Fermilab and aims to search for the possible existence of sterile neutrinos in the O (1 eV) mass range, addressing anomalies observed by the LSND and MiniBooNE experiments. The I...

(This article belongs to the Special Issue Selected Papers from the 14th International Conference on New Frontiers in Physics (ICNFP 2025))
  • Article
  • Open Access
3 Citations
1,635 Views
14 Pages

The genome is continuously exposed to a variety of harmful factors that result in a significant amount of DNA damage. This article examines the influence of a multi-damage site containing oxidized imino-allantoin (OXIa) and 7,8-dihydro-8-oxo-2′...

(This article belongs to the Section Molecular Genetics and Genomics)
  • Article
  • Open Access
3,311 Views
12 Pages

23 August 2020

The dA::dGoxo pair appearing in nucleic ds-DNA can lead to a mutation in the genetic information. Depending on the dGoxo source, an AT→GC and GC→AC transversion might be observed. As a result, glycosylases are developed during the evolution...

  • Article
  • Open Access
214 Citations
36,703 Views
27 Pages

28 February 2002

A set of theoretical atomic radii corresponding to the principal maximum in the radial distribution function, 4πr2R2 for the outermost orbital has been calculated for the ground state of 103 elements of the periodic table using Slater orbitals. The s...

  • Article
  • Open Access
1 Citations
1,955 Views
16 Pages

The genome—the source of life and platform of evolution—is continuously exposed to harmful factors, both extra- and intra-cellular. Their activity causes different types of DNA damage, with approximately 80 different types of lesions havi...

  • Article
  • Open Access
2 Citations
3,162 Views
20 Pages

18 October 2018

This paper theoretically simulated (using DFT and TD-DFT in N,N-dimethylformamide (DMF) solvent) the photodynamic properties of three non-metallic dye molecules with D-π-A1-π-A2 structure. The total photoelectric conversion efficiency (PCE) cou...

  • Article
  • Open Access
3 Citations
2,489 Views
16 Pages

The genetic information stored in the nucleobase sequence is continuously exposed to harmful extra- and intra-cellular factors, which can lead to different types of DNA damage, with more than 70 lesion types identified so far. In this article, the in...

  • Article
  • Open Access
20 Citations
4,806 Views
23 Pages

Cyclic methylsiloxanes D4, D5, D6 (also called cyclic silicones) are widely used in various dermatological products and cosmetics, both for children and adults. As a result of their unique physicochemical properties, the production of cyclic methylsi...