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  1. Welcome to IR @ NIT Rourkela

Recent Submissions

Development of Drying-Based Hybrid CFD–MLPNN Application for Predicting the Coccinia grandis Characteristics

Objective: Develop a drying based application platform to predict the initial characteristics of Coccinia grandis, which vary with geographic location, climate, harvesting method, harvesting time, and biological variability. Methodology: A computational fluid dynamic (CFD) model was developed based on different partial differential equations that consider heat, mass, and momentum transfer and validated against an experimental drying process (hot air oven at 60°C and an air velocity of 1 m/s)....

Effect of Ursolic Acid-Enriched Chitosan Coating On the Shelf-Life Extension of Papaya

Objectives: This study developed a chitosan-based antifungal coating enriched with ursolic acid (UA) extracted from basil and rosemary to extend papaya shelf life. It focused on UA extraction, purification, antifungal evaluation, and effectiveness in preserving papaya quality during storage. Methodology: UA was purified using column chromatography, confirmed through TLC and FTIR, and quantified by the vanillin-sulfuric acid colorimetric method. Its antifungal activity was tested against Candi...

Controllability of Linear Control Systems on Lie Supergroup*

In the study of supersymmetry, we encounter the systems whose dynamics are represented using both commuting and anticommuting variables. Thus, the state-space of those dynamical systems becomes a supermanifold. Though the dynamical systems emerging from natural phenomena are nonlinear in nature, linear control systems play a vital role in studying the systems locally. Therefore, we study the linear control system on Lie supergroups along with its controllability criterion. Moreover, we prove ...

Structural Phase Transition in KxNa1-xNbO3

Lead-free ferroelectric ceramic oxides; KxNa1-xNbO3 (x = 0.45, 0.50 and 0.55) have been prepared using solid-state reaction technique by varying K/Na ratio. Their crystal structures have been investigated using XRD and Raman spectroscopic techniques at room temperature (RT). Rietveld refinement analysis on XRD data suggest the monoclinic crystal structure having Pm space group for K0.45Na0.55NbO3 and orthorhombic crystal structure with Amm2 space group for both K0.5Na0.5NbO3 and K0.55Na0.45Nb...

Exploring the Synergistic Effects of Ultrasound, Ultraviolet, And Ozone Treatments On Milk Quality

Objective: This study aims to evaluate the synergistic effects of three prominent non-thermal techniques; Ultrasound (US), Ultraviolet (UV) and Ozone (O3) on milk quality. The objective is to determine whether this hurdle-based approach can enhance the functional, structural, and nutritional properties of milk, without compromising the nutritional integrity, thereby offering a clean-label alternative to the conventional thermal techniques. Methodology: Raw milk was subjected to combined US-UV...

Effect of Sr in BST for Energy Applications

Lead-free Ba₁₋ₓSrₓTiO₃ (BST) ceramics with x = 0.25, 0.30, and 0.35 were synthesized via solid-state reaction for energy storage applications. X-ray diffraction confirmed the formation of a tetragonal phase. Among the compositions, 35BST exhibited superior dielectric and energy storage performance near room temperature, delivering a recoverable energy density of 0.75 J/cm³ and efficiency of ~ 72.2 % at 115 kV/cm. Enhanced Sr content was found to improve breakdown strength and polarization, ma...

Comparative Analysis of High Energy Ball Milling and Hand Grinding of Calcium Doped Barium Titanate Ceramics

The synthesis, structural characteristics, and functional properties of calcium-modified barium titanate (Ba1-xCaxTiO3) ceramics of composition x = 0.10 and 0.20 are studied. Two synthesis methods, high-energy ball milling (HEBM) and hand grinding (HG), are adopted to compare their impact on the material's ferroelectric, dielectric, and structural properties. XRD analysis confirmed the tetragonal perovskite structure for both ceramics. Density measurements revealed that HEBM samples have high...

A Comprehensive study on the structural, Magnetic, and Dielectric Characteristics of Bi2Fe4O9/NiFe2O4 Composite

The composite 0.9Bi2Fe4O9/0.1Ni2Fe4O9 was synthesized via the sol–gel auto-combustion method, and its structural, magnetic, and dielectric properties were systematically investigated in the present work. Rietveld refinement of room-temperature (RT) X-ray diffraction (XRD) patterns confirmed the coexistence of dual-phase formation. The microstructural analysis indicated non-uniform grain dispersion, with the average grain size estimated to be around ~ 0.5μm. The RT M–H curve of the composite e...

Probing the Multiferroic Response of Brownmillerite-Based Composites Through Thermal and Magnetic Field Perturbation

This study investigated the magnetic, dielectric and magnetodielectric (MD) properties of a 0.9KBFO-0.1NFO composite synthesized using the sol-gel method. The dielectric constant and storage properties were characterized across a broad temperature range of 30 to 580 °C, revealing a maximum dielectric constant of 15.13×103. Temperature- and field-dependent magnetic measurements were conducted to ascertain the magnetic properties, confirming the presence of finite magnetic parameters. The magne...

Groundwater Potential Zone Identification in A Coastal Region Using AHP and ML Technique

In coastal regions, due to the over-extraction of groundwater, the regions are facing the issue of seawater intrusion, which causes depletion of fresh water and degradation of groundwater quality. Therefore, the availability of water for drinking and irrigation is reduced. In the present study, the Analytical Hierarchical Process (AHP) and Machine Learning technique are used to identify the potential zones for groundwater which will be useful for the development of effective strategies for ef...

Emergent Mixed Crowder Effects on Protein Dimerization

Protein-protein association is affected by non-specific interactions with heterogeneous cellular environment. Quantifying the effect of such environment is still a formidable task. Experimental and simulation studies usually probe the effect of homogeneous crowder environment on protein-protein association which provide inadequate insight into the actual effect in vivo. In this study, we employ a coarse-grained approach1 to model the GB1 (side-by-side) dimerization in attractive lysozyme crow...

Exploring GB1 Dimerization Through Short Simulations and Markov State Models

Protein-protein association, like dimerization, is essential for various biological functions. Here we explore dimerization of the GB1 protein, a well-known model system, through multiple short simulations and Markov State Model (MSM). To this end, Parallel Tempering Metadynamics (PTMetaD-WTE1) simulations were performed along two collective variables, the center of geometry distance (dcog) and inter-chain co-ordination number (ninter) to quickly explore the free energy landscape (FES). Next,...

Valorization of Whey Using Honey: Whey Protein-Maltodextrin Conjugated Foam-Mat Dried Honey Powder

Objective: Whey protein and maltodextrin conjugated foam-mat dried honey powder: Functional, physicochemical, structural, rheological, and thermal characterization. Methodology: Foam mat dried honey powder was obtained by the foam mat drying technique in which whey protein isolate and maltodextrin were used as foaming agent and foam stabilizer, respectively. The obtained honey powder was characterized in terms of physical, chemical, functional, phytochemical, rheological and structural proper...

A Unified Web Platform for Predictive Modeling and Optimization of Agri-Food Systems Using ANN and GA

Objective: To develop a modular, no-code web framework that enables efficient machine-learning-based modeling and optimization of agricultural and food processes as an accessible alternative to traditional coding-dependent environments. Methodology: The framework was built in Python and incorporates a fully integrated workflow covering design of experiments, automated data preprocessing, normalization, ANN-based predictive modeling, and GA-driven optimization. The ANN module includes customiz...

Development and Evaluation of Cowpea-Based Processed Plant Cheese

Objective: Development of a high-protein processed plant-based cheese from cowpea and to evaluate overall functional properties. Methodology: Cowpea milk was prepared by soaking, grinding, filtering, and heat-treating the beans to obtain a smooth, protein-rich base. The extracted milk was blended with selected structuring agents, including tapioca starch, carrageenan, xanthan gum, and soy lecithin, to enhance emulsification and gel formation. The mixture was heated under controlled conditions...

Cold Plasma Modification of Cottonseed Cake Protein: Effects on Structural and Functional Properties

Objective: This study investigates the effect of cold plasma treatment conditions on the structural and functional properties of cottonseed cake and the removal of antinutrients. Methods: The cottonseed cake protein is subjected to cold plasma treatment at 10 kV, 20 kV, and 30 kV for the duration of 10, 20, and 30 minutes. The effect of cold plasma treatment on the proteins functional properties, structural characteristics, physical characteristics and oxidation characteristics were analyzed....

Organotin(IV) Azo Hydrazonates as Lysosome-Targeted Anticancer Agents

Following the success of cisplatin, several platinum-based anti-cancer metallodrugs were discovered, including carboplatin, oxaliplatin, and nedoplatin. Nevertheless, the severe adverse side effects associated with these Pt-based drugs have limited their widespread clinical use and prompted the hunt for non-Pt-based medication alternatives.1 Metallodrugs with organotin(IV) compounds emerging as a potential alternative to platinum-based drugs have revolutionised the field of both diagnosis and...

Solution Behavior, Biomolecular Binding, Cytotoxicity, and Cellular Internalization of Mononuclear Non-oxido and Dinuclear Oxido VIV Metallodrugs

In recent years, vanadium compounds have been extensively studied for their biological, medicinal, and other therapeutic applications.1,2 To date, only a limited number of non-oxido and dinuclear oxido VIV complexes have been studied, mainly for their potential use in anticancer studies. So, exploring the toxicity potential of non-oxido compared to dinuclear oxido VIV complexes could provide valuable insights into their solution-phase stability and biological effects. In this presentation, th...

Segregation of The Relative Contribution of Enzymatic Sites and Self-Assembly Towards Rapid Ferroxidase Activity and Bio-Mineralization

The self assembled ferritin protein nanocage plays a pivotal role during oxidative stress, iron metabolism, and host pathogen interaction by executing rapid iron uptake, oxidation and its safe storage Self assembly creates a nano compartment and pores/channels for Fe 2 uptake and to develop a concentration gradient across the protein shell, which is proposed to fuel rapid ferroxidase activity However, it is difficult to segregate the relative contribution of the catalytic sites and nanocompar...

Masstige Consumption and the Reinvention of Rural-Urban Identity Among Return Migrants in India: An Ethno-Netnographic Study

Currently, Instagram serves as a cultural space where Indian Gen Z and millennial consumers construct and perform aspirational identities through strategic brand application. Within this context, masstige brands offer these consumers a powerful medium to express their status, culture, and social belonging without overt elitism. Although previous literature has dealt with masstige consumption and identity separately, the functioning of these forces in an image oriented, non-Western digital eco...

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National Institute of Technology- Rourkela 5407

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Author
  • 165 Mishra, S C
  • 137 Roy, G K
  • 114 Ray, B C
  • 114 Sahoo, Bibhudatta
  • 107 Mahapatra, K K
  • 88 Panda, G
  • 78 Patra, S K
  • 72 Satapathy, Alok
  • 70 Behera, S K
  • 63 Dash, P K
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  • 34 Fly ash
  • 31 SEM
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  • 27 Machine Learning
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  • 25 Mechanical properties
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  • 23 OFDM
  • 22 IoT
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