Chandigarh University

Synthesis of functionalized iron oxide nanocomposites for mitigating fine migration during low salinity water flooding in clay rich sandstones

Abstract The severe permeability impairment caused by clay fine migration remains a critical challenge during low salinity water injection in sandstone reservoirs. The research synthesizes and evaluates a cationic core shell nanocomposite to electrostatically stabilize clay miner...

Performance assessment of Laguerre–Gaussian OAM modes for high-capacity underwater optical wireless communication

Abstract In this paper, a four Laguerre–Gaussian modes ( LG 0 0 ${\mathit{LG}}_{0}^{0}$ , LG 18 0 ${\mathit{LG}}_{18}^{0}$ , LG 45 0 ${\mathit{LG}}_{45}^{0}$ , and LG 75 0 ${\mathit{LG}}_{75}^{0}$ ) based underwater optical wireless communication (UOWC) system for transporting 10...

Precursor Concentration-Induced Modulation of Structural and Surface Properties of Cobalt Ferrite for Enhanced Phenol Photodegradation Under UV–Vis Irradiation

Cobalt ferrite (CoFe2O4) photocatalysts were synthesized through a citric acid–ethylene glycol-assisted sol–gel route by systematically varying the Co2+ precursor concentration from 0.1 to 0.5 M. Precursor concentration significantly influenced the structural, optical, surface, a...

Cell-free DNA fragmentomics and epigenomic profiling in hematologic malignancies: current evidence, translational limitations, and future directions

Mutation-based liquid biopsy supports diagnosis and disease monitoring in hematologic malignancies, but interpretation of plasma variants may be complicated by clonal hematopoiesis, treatment-related changes, and nonmalignant blood-cell turnover. This structured narrative review...

Biosurfactants as green solutions for sustainable farming: Mechanisms, challenges, and future directions in agroecology

Biosurfactants are amphiphilic compounds synthesized by microorganisms such as Pseudomonas and Bacillus with considerable potential for supporting sustainable agriculture due to their multifaceted roles in plant-microbe-soil interactions. This review emphasizes current knowledge...

Do AI and Lexicon-Based ESG Scores Converge? Evidence from IPO Prospectuses in an Emerging Market

The growing use of artificial intelligence (AI) to evaluate Environmental, Social, Governance (ESG) scoring from corporate disclosures raises questions about alignment with conventional lexicon-based scores. Such alignment can be problematic as a lexicon-based approach quantifies...

Valorisation of Spent Coffee Grounds in integrated biorefineries: a comprehensive review of biofuels and value-added products potential

The coffee-making process generates substantial quantities of organic residues. Spent Coffee Grounds (SCG) represents a major waste stream produced after beverage preparation. Its rich composition in lipids, lignocellulosic fractions, proteins, phenolics and other bioactive compo...

Thiol Deodorization Using Cu(II)/Ag(I)-Metal–Organic Gel-Based Photocatalyst in a Coiled Flow Inverter: Experimental and CFD Insights

Abstract The combination of photochemistry and flow chemistry enables substantial improvement in reaction efficiency. By adopting this approach, the study focuses on the treatment of malodorous volatile thiols that pose serious environmental and health concerns due to their low o...

Multi-material 3D printing by laser powder bed fusion: a review

Purpose This study aims to review multi-material three-dimensional (3D) printing by laser powder bed fusion (LPBF) process. Advancements in the LPBF process for multi-material 3D printing of different metallic alloys, focusing on material pre-alloying and chamber refilling approa...

Do Voice Assistants Foster Sustainable Consumption Behavior? An Integrated Norm Activation Model and Theory of Planned Behavior Approach

Drawing on an integrated norm activation model and theory of planned behavior framework, the present study examines how personal ecological norms, attitude and intention to use voice assistants promote sustainable consumption behavior. Data were collected from 563 voice assistant...

Isolation, characterization, and in silico analysis of a bioactive compound citrinin from Aspergillus terreus (OP480427) with antagonistic activity against the toxigenic fungus Aspergillus flavus (OP600575)

The study investigates the antifungal potential of citrinin, the bioactive compound isolated from Aspergillus terreus (OP480427), against aflatoxin-producing fungi isolated from wheat rhizospheric soil and its ability to interfere with aflatoxin biosynthesis. Citrinin, purified u...

Air jet erosion behaviour of high-velocity air–fuel-sprayed WC-10Co-4Cr coatings reinforced with 2 wt-% La 2 O 3 on SS410 steel

The present investigation aimed to evaluate the influence of 2 wt-% La 2 O 3 addition on the microstructural characteristics, mechanical properties, and air jet erosion behaviour of high-velocity air–fuel-sprayed WC-10Co-4Cr coatings deposited on SS410 stainless steel. Cross-sect...

Deposition rate– dependent transition of growth mechanisms in Zr 60 Ni 30 Al 10 metallic glass thin films

In this study, Zr 60 Ni 30 Al 10 metallic glass thin films were deposited by DC magnetron sputtering over a deposition rate range of 5–32 nm/min to investigate the relationships between deposition conditions, growth kinetics, structural evolution, and mechanical behavior. The res...

Evaluating Well Stimulation in Carbonates: Rapid Skin Factor Prediction Using Machine Learning

ABSTRACT Accurate prediction of the poststimulation skin factor ( S ) is vital for optimizing productivity in carbonate reservoirs. Conventional approaches, such as well‐test analysis, are costly and time‐consuming, limiting their use for real‐time decision‐making. This study int...

Performance analysis of a 5 Gbps PAM-4 modulated visible light optical wireless communication link: impact of transmission power, receiver field-of-view, and concentrator design parameters

Abstract This paper presents a detailed performance study of a visible light communication (VLC) link using 4-level pulse amplitude modulation (PAM-4) at a 450 nm wavelength. Link performance is systematically evaluated as a function of transmission distance across varying transm...

HEA-GAN for high-fidelity low-light image enhancement and degradation-aware image augmentation using a hybrid deep learning and GAN framework

Abstract Poor vision and low-light conditions have a deleterious effect on the functioning of downstream computer-vision systems used in surveillance, autonomous driving, biomedical imaging, and remote sensing. Histogram equalization, Retinex based methods and manually crafted de...

Systematic analysis of peer to peer network attacks in blockchain technology examining strategies real world cases and cross layer vulnerabilities

Abstract The peer-to-peer (P2P) network layer, the foundation of the system, tends to be underplayed in blockchain security conversations about headline-grabbing applications and consensus rules. This work digs deep into the P2P layer and discovers it to be a critical front for t...

Experimental investigation and predictive modeling of wear in Al7075–SiC nanocomposites

This study examines the dry sliding wear behavior of Al7075-3 wt% SiC nanocomposites using a pin-on-disc tribometer and ASTM G99 standards. Experimental results indicate that tribological responses are strongly affected by sliding distance, applied load, and sliding speed. When t...

Numerical investigation of hybrid taper–grating coupling for broadband fiber-to-chip interfaces in silicon photonics

Abstract One of the most critical bottlenecks in photonic integrated circuit packaging in today’s scenario is efficient optical coupling between single-mode fibers (SMFs) and silicon-on-insulator (SOI) photonic chips. This is due to the severe mode-field diameter mismatch, which...

Energy-efficient thermal performance of walls and windows for four building orientations in four Indian climatic zones: A verified dynamic analysis of insulation, glazing type and glazing area

Facade design rules for Indian dwellings are still drawn largely from mid-latitude studies. This article presents a verified dynamic analysis of the thermal performance and energy requirements of external walls and windows for four orientations in New Delhi, Mumbai, Jaipur and Sh...