Synthesis and Characterization of Some Metal Complexes with their Sulfamethoxazoleand 4,4'-dimethyl-2,2'-bipyridyl and study Cytotoxic Effect on Hep-2 Cell Line by Baghdad Science Journal

“…The complexes were characterized in solid state using flame atomic absorption, elemental analysis C.H.N.S, FT-IR, UV-Vis Spectroscopy, conductivity and magnetic susceptibility measurements. …”
Get full text

Synthesis, characterization, computational and dyeing behavior of Cu(II) and Zn(II) metal complexes derived from azo-Schiff bases containing phenol derivatives by Hemmat A. Elbadawy, Ali Eldissouky, Morsy Ahmed El-Apasery, Doaa S. Elsayed, Entesar. A. Alaswad

“…HL1, HL2 and their metal complexes were fully characterized utilizing different physicochemical techniques, such as UV-Vis, FTIR, mass spectra, thermal analysis (TGA, DTG and DTA), as well as EPR, molar conductivity measurements for metal complexes. …”
Get full text

Electrocatalytic CO₂ Reduction Coupled with Water Oxidation by bi- and Tetranuclear Copper Complexes Based on di-2-pyridyl Ketone Ligand by Siyuan Yang, Tian Liu, Wenbo Huang, Chengwen Zhang, Mei Wang

“…In addition, both complexes remain essentially unchanged during the electrocatalytic water oxidation and electrocatalytic CO₂ reduction processes, demonstrating good stability. …”
Get full text

Comparative Evaluation of <i>β</i>-Cyclodextrin Inclusion Complexes with Eugenol, Eucalyptol, and Clove Essential Oil: Characterisation and Antimicrobial Activity Assessment for Ph... by Alina Ionela Stancu, Magdalena Mititelu, Anton Ficai, Lia-Mara Ditu, Mihaela Buleandră, Irinel Adriana Badea, Elena Pincu, Marius Constantin Stoian, Oana Brîncoveanu, Adina Boldeiu, Eliza Oprea

“…DSC thermograms confirmed complex formation, and DLS analysis revealed nanostructures averaging 186.4 nm in diameter (PDI = 0.298). …”
Get full text

Designing high-capacity hydrogen storage materials: DFT insights into Ca-based complex hydrides MCa M′ H6 (M = Li, Na; M′ = Co, Rh, Ir) by Asif Hosen, Ebrahim Nemati-Kande, Hanof Dawas Alkhaldi, Ahmad A. Mousa, Ali Akremi, Imed Boukhris, Mohammed S. Abu-Jafar

Get full text

Study on the effects of fissure geometric characteristics on the mechanical behavior and failure mechanism of granite under uniaxial compression test by Zhaolong Sang, Donghui Ma, Yaoyao Meng, Qian Yin, Xiaowei Liu, Zhimin Sun, Wei Wang

“…This study not only deepens the understanding of the mechanical behavior of granite samples under complex geological environments, but also provides theoretical support for accurate assessment and effective reinforcement of rock mass stability in engineering practice.…”
Get full text

Vibration Damage Analysis of Bottom Hole Assembly Under Axial Impact Based on Dynamic Analysis by Qilong Xue, Yafeng Li, Jianbo Jia, Lun Zhao

“…Downhole axial vibration impact tools can provide a stable impact load, but they also increase the complexity of the Bottom Hole Assembly (BHA) motion. …”
Get full text

Exploring the Potential of a New Nickel(II):Phenanthroline Complex with L-isoleucine as an Antitumor Agent: Design, Crystal Structure, Spectroscopic Characterization, and Theoretic... by Jayson C. dos Santos, João G. de Oliveira Neto, Ana B. N. Moreira, Luzeli M. da Silva, Alejandro P. Ayala, Mateus R. Lage, Rossano Lang, Francisco F. de Sousa, Fernando Mendes, Adenilson O. dos Santos

“…A Hirshfeld surface analysis highlighted intermolecular interactions stabilizing the crystal lattice, with hydrogen bonds (H···H and O···H/H···O) dominating (99.1% of contacts). …”
Get full text

An Analysis of the Theta-Method for Pantograph-Type Delay Differential Equations by Fathalla A. Rihan, Ahmed F. Rihan

Get full text

Reliability analysis of support strategies in tunnel construction: Insights from geomechanical analysis of jointed rock masses by Naeem Abbas, Kegang Li, Yewuhalashet Fissha, Jitendra Khatti, Merhawi Berhe Geberegergis, N.Rao Cheepurupalli, Blessing Olamide Taiwo, Zemicael Gebrehiwot, Yemane Kide, N. Sri Chandrahas

“…The jointing in Himalayan rocks mass poses significant implications for tunnel stability, demanding a detailed analysis of joint characteristics, such as joint connectivity and spacing. …”
Get full text

Control Study of Hydropower System with Francis Turbine in Isolated Operation by Usha Adhikari, Pramish Shrestha, Bernt Lie

“…By employing a mechanistic modelling approach using differential algebraic equations, the study captures the complex interplay of hydraulic, mechanical, and electrical subsystems, enabling an in-depth analysis of system dynamics under varying load conditions. …”
Get full text

Elementary Derivation of the Nyquist Criterion for Fractional-Order Feedback Systems by Daniele Casagrande, Wieslaw Krajewski, Umberto Viaro

“…The criterion can be used not only to ascertain the stability of a fractional-order system but also to detect the presence of closed-loop poles inside any given sector of the complex plane. …”
Get full text

Unveiling Microbial Dynamics: How Forest Aging Shapes the Microbial Communities of Pinus massoniana by Guiyun Yuan, Yang Zheng, Xueguang Sun

“…Co‐occurrence network analysis revealed that bacterial communities formed more complex networks than fungal communities and exhibited greater stability. …”
Get full text

Disordered Oscillations in a Neural Network of Three Oscillators with a Delayed Broadcast Connection by Sergey Glyzin, Elena Marushkina

“…It is assumed that the parameters of the problem are chosen near the critical point of stability loss by the homogeneous equilibrium state of the system. …”
Get full text

Dynamics of an SVEIR transmission model with protection awareness and two strains by Kaijing Chen, Fengying Wei, Xinyan Zhang, Hao Jin, Ruiyang Zhou, Yue Zuo, Kai Fan

“…Moreover, a global sensitivity analysis of the key parameters is performed by using of PRCC. …”
Get full text

Copper(II) Inhibition of the SARS‐CoV‐2 Main Protease by Roberto A. Garza‐López, Liam Kwak, Andrew Chung, Gabriel L. Ancajas, John J. Kozak, Harry B. Gray

“…ABSTRACT In an analysis of the structural stability of the coronavirus main protease (Mpro), we identified regions of the protein that could be disabled by cobalt(III)‐cation binding to histidines and cysteines. …”
Get full text

Governance, Energy Policy, and Sustainable Development: Renewable Energy Infrastructure Transition in Developing MENA Countries by Michail Michailidis, Eleni Zafeiriou, Apostolos Kantartzis, Spyridon Galatsidas, Garyfallos Arabatzis

“…This study provides a comparative analysis of the environmental and economic performance of Oman, Egypt, and Morocco, focusing on the critical interplay between their economic structures, governance frameworks, and energy policies. …”
Get full text

Anti-windup approach for impulsive control system with input saturation by Tian-hu Yu, Hua-Min Wang, Ning Li

“…In contrast to existing methods, the parameter values are not required to be predefined in the proposed conditions, which significantly reduces computational complexity. To demonstrate the proposed method's effectiveness, synchronization analysis is conducted for Chua's circuit systems through the application of designed anti-windup compensator. …”
Get full text

Arthroscopic capsular suture benefits the clinical prognosis of distal radius fracture with DRUJ instability by Peilong Jiang, Huajun Jiang, Feng Han, Sida Liu, Wei Qu

“…Abstract Background This study investigated the effectiveness of capsular suture repair for triangular fibrocartilage complex (TFCC) in restoring distal radioulnar joint (DRUJ) stability after plate fixation for distal radius fracture (DRF) combined with acute DRUJ instability, comparing the results of arthroscopic capsular suture with those of conservative treatment of TFCC injury. …”
Get full text

A Comprehensive Review of Recent Advances in Perovskite Materials: Electrical, Dielectric, and Magnetic Properties by Faouzia Tayari, Silvia Soreto Teixeira, Manuel Pedro F. Graca, Kais Iben Nassar

Get full text