105 results match your criteria: "Thiagarajar College of Engineering[Affiliation]"

Fabrication of CuFeO@HNT modified GCE electrode material as an effective electrocatalyst for sensitive and selective detection of TBHQ.

Food Chem

November 2025

International Ph.D. Program in Innovative Technology of Biomedical Engineering and Medical Devices, Ming Chi University of Technology, New Taipei City 243303, Taiwan; Research Center for Intelligent Medical Devices, Ming Chi University of Technology, New Taipei City 243303, Taiwan. Electronic addres

Copper ferrite (CuFeO) is a semiconducting nanocomposite which has spinel structure and Halloysite nanotube (HNT) is an eco-friendly nanotube that has aluminosilicate structure. In this work, we prepared CuFeO@HNT with the help of ultrasonic method. The structural and surface morphology of the composite was confirmed by the XRD, XPS, SEM and EDX analysis.

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This work investigates the behavior of the poly methyl orange (PMO) layer in a nonenzymatic biosensor for detecting cholesterol in the blood. The study focuses on the nonlinear phenomena observed in the reaction-diffusion model within the unsteady-state regime. The current study utilizes the approximate analytical Laplace transform technique to solve second-order nonautonomous coupled nonlinear partial differential equations (PDEs) along with its associated initial and boundary conditions.

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In the rapidly advancing digital era, the demand for miniaturized and high-performance electronic devices is increasing, particularly in applications such as wireless communication, unmanned aerial vehicles, and healthcare devices. Radio-frequency microelectromechanical systems (RF MEMS), particularly RF MEMS switches, play a crucial role in enhancing RF performance by providing low-loss, high-isolation switching and precise signal path control in reconfigurable RF front-end systems. Among different configurations, electrothermally actuated bistable lateral RF MEMS switches are preferred for their energy efficiency, requiring power only during transitions.

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A wide range of chemosensors has been developed for detecting specific metal ions at trace levels, attracting considerable research interest. However, despite the significant role of indole-based molecules in the biological domain, only a few chemosensors incorporating this moiety have been reported. In this work, a novel indole-based receptor [R = ()-3-((((1-indol-4-yl)methyl)imino)methyl)benzene-1,2-diol], was synthesized and characterized using single-crystal X-ray diffraction, NMR, IR, and ESI-MS techniques.

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Fluorine and nonfluorine substituted rhenium(I) metallocycles, fac-[{Re(CO)}(μ-SO)(L1)] (C1) and fac-[{Re(CO)}(μ-SO)(L2)] (C2), respectively, were synthesized using Re(CO), sodium bisulfite, fluorobenzimidazolyl/benzimidazolyl-based ditopic nitrogen-donor ligands (L1/L2), and toluene-acetone via coordination-driven one-pot solvothermal approach. The metallocycles were characterized using elemental analysis, ESI-TOF-MS, ATR-IR, NMR, and PXRD methods. The molecular structures of C1·9(DMSO), C1·(toluene)(acetone), and C2·(toluene) were determined using SCXRD analysis.

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A simple, metal-free method has been developed to synthesize novel 1,2,3-triazole-N-oxide derivatives. In this reaction, -BuONO serves as a NO source, with environmentally friendly solvents such as EtOH and HO employed as additives. Control experiments provided valuable insights into the reaction mechanism.

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We have developed a selective method for 2-phenyl naphthofuran and thio-ether derivatives using hydroxy naphthofuranone and thiols in triflic acid. Product selectivity is controlled by altering the reagent equivalents. This broad-scope, acid-mediated strategy enables diverse functionalization, overcoming regioselectivity challenges and providing a valuable tool for medicinal chemistry and organic synthesis.

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Diabetic retinopathy detection via deep learning based dual features integrated classification model.

Technol Health Care

March 2025

Department of Computer Science and Engineering, School of Engineering & Technology, Christ University, Bengaluru, India.

BackgroundThe primary recognition of diabetic retinopathy (DR) is a pivotal requirement to prevent blindness and vision impairment. This deadly condition is identified by highly qualified professionals by examining colored retinal images.ObjectiveThe physical diagnostics for this condition was time-consuming and prone to fault.

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The total cost of assembly is a critical factor in robotic assembly line balancing, as it encompasses all the costs associated with the assembly line, including initial costs, setup, maintenance, and energy cost. This study introduces a different approach to the robotic assembly line balancing problem, with a dual focus on minimizing both cycle time and overall assembly costs. The effectiveness of the proposed approach is validated through three case study problems taken from the literature and results are compared to traditional assembly allocation methods.

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Prediction of clinical risk factors in pregnancy using optimized neural network scheme.

Placenta

April 2025

Department of Electronics and Communication Engineering, K. Ramakrishnan College of Engineering, Samayapuram, Tiruchirapalli, Tamilnadu, 621112, India. Electronic address:

Women should be aware of prenancy related health issues. A user-friendly model is developed in which the patients can use as well as clinicians to determine the risks associated with foetal development inside the womb, birth weight, whose effects are typically linked to the mother through biological relationships. Recent advances in computer vision and artificial intelligence offer new techniques for automated evaluation of medical images across a variety of fields, including ultrasound (US) images.

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A simplified approach for efficiency analysis of machine learning algorithms.

PeerJ Comput Sci

November 2024

Department of Applied Mathematics and Computational Science, Thiagarajar College of Engineering, Madurai, Tamil Nadu, India.

The efficiency of machine learning (ML) algorithms plays a critical role in their deployment across various applications, particularly those with resource constraints or real-time requirements. This article presents a comprehensive framework for evaluating ML algorithm efficiency by incorporating metrics, such as training time, prediction time, memory usage, and computational resource utilization. The proposed methodology involves a multistep process: collecting raw metrics, normalizing them, applying the Analytic Hierarchy Process (AHP) to determine weights, and computing a composite efficiency score.

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Wastewater management has become necessary in this industrialized era to meet the water needs of the world. Wastewater is one of the major crises in depletion of the environment. Photocatalysis is considered as the best way to remove pollutants.

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In public spaces, threats to societal security are a major concern, and emerging technologies offer potential countermeasures. The proposed intelligent person identification system monitors and identifies individuals in public spaces using gait, face, and iris recognition. The system employs a multimodal approach for secure identification and utilises deep convolutional neural networks (DCNNs) that have been pretrained to predict individuals.

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Artificial intelligence (AI) and machine learning (ML) aim to mimic human intelligence and enhance decision making processes across various fields. A key performance determinant in a ML model is the ratio between the training and testing dataset. This research investigates the impact of varying train-test split ratios on machine learning model performance and generalization capabilities using the BraTS 2013 dataset.

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Article Synopsis
  • - A new method uses visible light to activate triplet oxygen in reactions between pyrazole amine and phenylglyoxal monohydrate at room temperature, with water acting as both solvent and reagent.
  • - The process relies on several factors including light, a photocatalyst, oxygen, and water, leading to the successful synthesis of various dicarbonylpyrazole amines and pyrazolooxazine derivatives in moderate to good yields.
  • - This technique shows sustainability and environmentally-friendly aspects while demonstrating high selectivity in producing specific compounds, with mechanistic insights obtained through computational analysis.
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Investigation of performance of potential adsorbents for emissions mitigation in a diesel generator.

Environ Sci Pollut Res Int

July 2024

Department of Mechanical Engineering, Heat Power Laboratory, National Institute of Technology, Rourkela, Odisha, 769008, India.

Article Synopsis
  • The global release of greenhouse gases, particularly carbon dioxide, has increased significantly since the industrial era, reaching 420 ppm, which contributes to global warming and climate change.
  • Recent research focuses on reducing emissions from human activities, with activated carbon made from biomass like coconut shell, rice husk, and eucalyptus wood being identified as effective materials for capturing CO and NO from exhaust systems.
  • Experimental results show that these biomass-derived adsorbents can achieve a CO capture efficiency of 40-64% and are characterized by low energy adsorption, indicating physisorption, which supports their potential use in environmental mitigation efforts.
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Background: This research investigates the impact of pruning on reducing the computational complexity of a five-layered Convolutional Neural Network (CNN) designed for classifying MRI brain tumors. The study focuses on enhancing the efficiency of the model by removing less important weights and neurons through pruning.

Objective: This research aims to analyze the impact of pruning on the computational complexity of a CNN for MRI brain tumor classification, identifying optimal pruning percentages to balance reduced complexity with acceptable classification performance.

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A highly efficient and innovative method involving base-mediated oxidative annulation between 2-naphthols and phenylglyoxal monohydrate under visible light irradiation has been successfully developed. This method leads to the formation of oxygen-containing heterocyclic compounds, particularly hydroxy-naphthofuranone derivatives, encompassing a unique quaternary carbon center. An X-ray diffraction study has unambiguously confirmed the structure of one such derivative.

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Article Synopsis
  • Petroleum fuels are depleting and causing emissions issues, prompting the need for eco-friendly alternatives like biodiesel, which is produced by converting vegetable oils.
  • Biodiesel derived from coconut fatty acid distillate (BCFAD) shows promise, particularly when enhanced with alumina nanoparticles, resulting in improved thermal efficiency and reduced hydrocarbon and carbon monoxide emissions compared to diesel.
  • While using 100 ppm of nanoparticles improves performance, it's worth noting that there is a slight increase in NOx emissions; overall, BCFAD with nanoparticles is deemed suitable for diesel engines.
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Accurate pest classification plays a pivotal role in modern agriculture for effective pest management, ensuring crop health and productivity. While Convolutional Neural Networks (CNNs) have been widely used for classification, their limited ability to capture both local and global information hinders precise pest identification. In contrast, vision transformers have shown promise in capturing global dependencies and enhancing classification performance.

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Embarking on a pioneering investigation, this study unravels the extraordinary qualities of Tecoma stans Fibers (TSFs), freshly harvested from the rachis, establishing them as prospective reinforcements for biocomposites. Delving into their intricate characteristics, TSFs exhibit a unique fusion of physical resilience, with a density of 1.81 ± 0.

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Carbazole and triphenylamine, are two well-known hole transporting units that are attached to electron transporting unit 4,5-diazafluorene in a fascinating way to bring out non-planar configuration of a molecule. The synthesized compound exhibits good thermal stability (T > 515 °C) and high glass transition temperature (T, 191 °C). Optical bandgap (E) obtained from solid state absorption spectra was calculated to be 2.

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Herein, we have synthesized pristine and g-CN-assisted Ce(WO) via a facile hydrothermal method. The structure was confirmed with the standard JCPDS card. g-CN encapsulated the crystal and reduced the size.

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Cyber-Physical Power System (CPPS) refers to a system in which the elements of the internet and the physical power system communicate and work together. With the use of modern communication and information technology, grid monitoring and control have improved. However, the components of a cyber system are extremely vulnerable to cyberattacks via cyber connections due to inadequate cyber security measures.

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In this paper, lignocellulosic fibers and cellulose microfibrils (CMFs) were extracted from palmyra fruit peduncle waste and investigated as naturally derived cellulosic materials for their potential use as reinforcement materials in composite applications. The physicochemical, mechanical, and thermal properties of the extracted fiber were studied. Physical and morphological analysis results revealed an extracted fiber diameter of 82.

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