Cover - Volume 63, Issue 12

Cithara Journal

Volume 63, Issue 12

December 2023

📥 Download Issue (Cover + Table of Contents) 📚 Back to Archive
18 Articles
2023 Year
Vol. 63 Volume

Research Articles

1

Design, Synthesis and Comparative Study of Anti-Microbial Activities on Barbituric acid and Thiobarbituric acid Based Chalcone Derivatives Bearing the Pyrimidine Nucleus

Bhaveshkumar D. Dhorajiya, Bharatkumar Z. Dholakiya

Department of Chemistry, Gujarat University, India

Keywords: Antibacterial activity, Antifungal activity, Babiturates, Chalcones, Structure Activity Relationship.

A new comparative series of barbituric acid and thiobarbituric acid based chalcone derivatives bearing the pyrimidine nucleus were synthesized. The chemical structures of the resulting molecules were ...

View Article →
2

Identification System of Image Fusion by Evolutionary Neural Network

Wei Zhang, Raj Sharma

Faculty of Computer Science, Technical University of Munich, Germany

Keywords: Identification, Image fusion, Neural Network, Genetic Algorithm.

Personal identification system using biometric features of individuals, many applications in different industries are secure. These systems typically focus on an individual feature and its detection i...

View Article →
3

Wavelet Method for Numerical Solution of Second Order Hyperbolic Equations

Abdul Hannan Choudhury

Department of Mathematics, University of Dhaka, Bangladesh

Keywords: Newmark schemes, Semidiscrete approximations, Stability, Wave equation,\nWavelet-Galerkin method

In this paper, we derive a highly accurate numerical method for the solution\nof second order hyperbolic partial differential equations in one space dimension\nusing semidiscrete approximation. The sp...

View Article →
4

Extension of identities due to Preece and Bailey involving product of generalized hypergeometric function 2F2

Medhat A. Rakha\nMohammed M. Awad,\nArjun K. Rathie

Department of Mathematics, Cairo University, Egypt

Keywords: Generalized Hypergeometric Function; Preece Identity, Bailey Identity, Kummer Second Summation Theorem

The aim of this research paper is to provide extension of identities due to Preece and Bailey involving product of generalized hypergeometric function $_2F_{2}$. The results are derived with the help ...

View Article →
7

Giant synovial chondromatosis of Hoffa’s body: case report and review of the literature.

Lorenzo Franco-de la Torre, Mercedes Gonzalez-Hita, Juan Luis Alcala-Zermeño, Ana Teresa Montes-Leyva, Martin Vargas-Magaña, Abraham Zepeda-Moreno, Jose Rafael Villafan-Bernal, Sergio Sanchez-Enriquez.

Department of Orthopedics, University of Madrid, Spain

Keywords: Synovial chondromatosis; Arthroscopy; Knee joint; Hoffa’s body; Synovial metaplasia

Synovial chondromatosis of Hoffa’s body is very uncommon. We report a 18-year-old female patient with synovial chondromatosis and a calcified mass inside the Hoffa’s body who presented with mechan...

View Article →
8

Influence of relative roughness pitch on heat transfer and flow friction in a ribbed rectangular solar air heater

Anil Singh Yadav

Department of Mechanical Engineering, Indian Institute of Technology, Kanpur, India

Keywords: Solar Energy; Solar Air Heater; Artificial Roughness; Thermal Enhancement Factor.

CFD simulations are performed in an artificially roughened solar air heater duct with an aspect ratio of 5:1. Results for two surface conditions are presented: smooth and one ribbed configurations. Fo...

View Article →
9

A Novel approach to Fault Simulation and Testing in combinational circuits using Differential Evolution

Dhiraj, Seema Verma, Rajesh Kumar

Department of Electronics and Communication Engineering, National Institute of Technology, Rourkela, India

Keywords: Combinatorial Optimization, Evolutionary Algorithm, Differential Algorithm, Automatic test pattern generator, Fault coverage, Global optimum

As circuit design is a complex and time consuming task so designers take assistance of optimization tools resulting in a better design in reduced time compared to the intuitive approach. With increase...

View Article →
10

Convenient Synthesis of 4-oxoquinoline derivatives

Carlos Santos, James Wilson, Robert Thompson, Michael Anderson

Department of Chemistry, University of Toronto, Canada

Keywords: Quinoline, glycine, D-glutamic acid, diazomethane, chloromethyl ketone

Reaction of thionyl chloride with 7-chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid 1 gave acid chloride 2. compound 2 was reacted with glycine and D-glutamic acid to affo...

View Article →
11

Synergistic Effects of Metal-Oxide Nanocomposites in Catalytic Hydrogenation Reactions

Ioannis Papadopoulos, Meiling Zhang, Nuru Jemal

University of Patras, Patras, Greece; Lanzhou University, Lanzhou, China; Addis Ababa University, Addis Ababa, Ethiopia

Keywords: catalysis, nanocomposites, hydrogenation, metal-oxide, palladium, titanium oxide

Catalysis is a cornerstone of modern chemical processes, significantly enhancing reaction rates and selectivity. In recent years, the development of metal-oxide nanocomposites has opened new avenues f...

View Article →
12

Understanding the Influence of Climate Change on Ecosystem Dynamics in Diverse Global Biomes

Jonas Kazlauskas, Meiling Zhao, Ahmed El-Sayed, Gabriela Torres

Vilnius University, Vilnius, Lithuania; Lanzhou University, Lanzhou, China; University of Patras, Patras, Greece

Keywords: ecosystem dynamics, climate change, biodiversity, species distribution, carbon sequestration, nutrient cycling

Ecosystem dynamics are increasingly influenced by anthropogenic climate change, affecting biodiversity, species interactions, and biogeochemical cycles. This study aims to examine the consequences of ...

View Article →
13

Enhanced Pattern Recognition in Large Datasets Using Hybrid Clustering and Classification Techniques

Hiroshi Nakamura, Aisha Al-Farsi, Juan Carlos Pérez

Kyungpook National University, Daegu, South Korea; University of Nairobi, Nairobi, Kenya; University of Vermont, Burlington, USA

Keywords: data mining, pattern recognition, clustering, classification, k-means, support vector machine, hybrid algorithm

Data mining has emerged as a pivotal field in computer science, providing tools and methodologies for extracting meaningful patterns from large datasets. This study addresses the increasing complexity...

View Article →
14

Exploring Non-Abelian Gauge Theories: Implications for Dark Matter in Particle Physics

Ezra Mokaya, Caroline Ng, Alejandro Torres, Ibrahim Al-Qadi

University of Nairobi, Nairobi, Kenya; Universiti Sains Malaysia, Penang, Malaysia; University of Antioquia, Medellín, Colombia

Keywords: non-Abelian gauge theories, SU(3) symmetry, dark matter, particle physics, collider experiments, cosmic evolution

Particle physics has long sought to explain the fundamental forces governing the universe, with non-Abelian gauge theories providing a cornerstone for understanding the strong and weak nuclear forces....

View Article →
15

Impact of Soil Microbial Dynamics on Crop Yield in Semi-Arid Regions: A Comparative Study

Rana Al-Sarraf, Miguel Lopez, Haruto Takahashi

Ferdowsi University of Mashhad, Mashhad, Iran; University of Tasmania, Hobart, Australia; University of Canterbury, Christchurch, New Zealand

Keywords: soil microbiology, crop yield, semi-arid regions, microbial diversity, 16S rRNA sequencing, sustainable agriculture

Soil microbial communities play a crucial role in influencing agricultural productivity, particularly in semi-arid environments. This study aims to investigate the dynamics of soil microorganisms and ...

View Article →
16

Advanced Thermodynamic Cycles for Sustainable Energy Harvesting in Tropical Climates

Ibrahim Al-Mansouri, Chaska Quispe, Aisha Mwinyimbegu

Ibrahim Al-Mansouri: University of the South Pacific, Suva, Fiji; Chaska Quispe: Pontifical Catholic University of Peru, Lima, Peru; Aisha Mwinyimbegu: University of Dar es Salaam, Dar es Salaam, Tanzania

Keywords: thermodynamic cycles, sustainable energy, tropical climates, Rankine cycle, computational fluid dynamics, energy efficiency

In recent years, the demand for sustainable energy sources has increased, particularly in tropical regions where traditional resources are often limited. This study explores the engineering of advance...

View Article →
17

Cross-Cultural Behavioral Patterns: A Comparative Analysis of Social Norms and Adaptations

Lucie Nováková, Rizky Haryanto, Amina Al-Mansoori

Palacký University, Olomouc, Czech Republic; Gadjah Mada University, Yogyakarta, Indonesia; University of Zambia, Lusaka, Zambia

Keywords: behavioral analysis, cross-cultural study, social norms, cultural psychology, adaptation patterns, interpersonal interactions

This study explores the behavioral patterns influenced by cultural norms across diverse cultural backgrounds, specifically in European, Asian, and African societies. The objective is to identify how s...

View Article →
18

Influence of Dietary Components on Gut Microbiome Diversity: A Global Comparative Study

Lena Müllner, Dae-jung Kim, Amina Al-Sarraf

Al-Nahrain University, Baghdad, Iraq; University of Concepción, Concepción, Chile; University of Vermont, Burlington, USA

Keywords: gut microbiome, dietary components, microbial diversity, high-throughput sequencing, macronutrients, geographical influence

The human gut microbiome is a complex and dynamic ecosystem that plays a crucial role in maintaining host health. Previous research has demonstrated that diet significantly impacts microbiome composit...

View Article →