Search
70 articles for “physicochemical”
-
Temperature-Dependent Acoustic and Thermodynamic Investigation of Molecular Interactions in the 1-Propanol–n-Hexane Binary Mixture
Abstract: The present study investigates the molecular interactions and thermophysical behavior of the binary mixture comprising 1-propanol and n-hexane over the temperature range of 288.15–318.15K. The experimental determination of density (ρ), viscosity (η), and ultrasonic velocity (u) was carried out over the entire composition range, and the measured data were utilized to evaluate several acoustical and thermodynamic parameters, including the Van der Waals constant, relaxation strength, acoustic impedance, Rao’s constant, Wada’s …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 12, Issue 2, 2026 · pp. 16–33 Read article
-
Evaluating Remedy of Oil Polluted Environment Using Fermented Cassava Liquid
Abstract: A 28-day experimental investigation was conducted to evaluate the effectiveness of fermented cassava liquid in the bioremediation of crude oil-contaminated soils. Three soil types, namely clay, sandy-loamy, and swampy soils, were examined. Cassava liquid was fermented for six days to allow sufficient microbial growth before being introduced into the contaminated soil samples. Uninoculated contaminated soil served as the control. Soil samples were collected at one-week intervals throughout the study for …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 12, Issue 2, 2026 Read article
-
Spatial Variation and Pollution Assessment of Selected Water Quality Variables in the Luubara Creek, Niger Delta, Nigeria
Abstract: The spatial variation and pollution status of selected water quality variables in Luubara Creek, Niger Delta, Nigeria, were assessed between June and August 2024. Water samples were collected from four sampling stations, with Stations 1 and 2 representing areas of relatively low anthropogenic influence and Stations 3 and 4 representing areas with greater human activities. Physicochemical parameters and heavy metals were analyzed following the standard methods of the American Public …
Published in International Journal of Analytical and Applied Chemistry · Vol. 12, Issue 2, 2026 Read article
-
Agro Seed Oil Production through Mechanothermal Extraction: Exploring its Potential for Chemical, Pharmaceutical, and Food Industries
Abstract: The increasing demand for sustainable and environmentally friendly industrial raw materials has intensified research into the production of oils from agro seeds using efficient extraction technologies. This study reviews the mechanothermal extraction of agro-seed oils with emphasis on their potential applications in chemical, pharmaceutical, and food industries. Mango (Mangifera indica) seeds, which are commonly discarded as agricultural waste during fruit processing, contain significant quantities of lipids, proteins, carbohydrates, antioxidants, and …
Published in International Journal of Analytical and Applied Chemistry · Vol. 12, Issue 2, 2026 Read article
-
Photo-Catalytic Degradation of Dyes Using Graphene Oxide–Dithizone Composite
Abstract: Graphene oxide–dithizone (GO–DTZ) composite was successfully synthesized through the copolymerization of graphene oxide and dithizone to develop an efficient photocatalytic material for wastewater treatment. The dithizone polymer was prepared using a 1:2 molar ratio, while graphene oxide was synthesized via the modified Hummers’ method to obtain highly oxidized graphene sheets with abundant oxygen-containing functional groups. The GO–DTZ nanocomposite was fabricated by ultrasonically dispersing graphene oxide with the synthesized dithizone polymer …
Published in International Journal of Analytical and Applied Chemistry · Vol. 12, Issue 2, 2026 · pp. 46–53 Read article
-
Sonochemical Synthesis of Copper Nanoparticles:Process Fundamentals, Scale-Up Challenges, andIndustrial Opportunities
Abstract: The sonochemical synthesis of copper nanoparticles (Cu NPs) has emerged as a powerful and widely investigated strategy in nanomaterials research, owing to the unique physicochemical conditions generated during ultrasonic irradiation. Acoustic cavitation induced by sonication produces transient microenvironments characterized by extremely high local temperatures, pressures, and rapid cooling rates, which collectively enable efficient reduction of copper precursors into nanoscale particles. These conditions cannot be easily achieved through conventional synthetic routes, …
Published in International Journal of Chemical Engineering and Processing · Vol. 12, Issue 2, 2026 · pp. 37–43 Read article
-
Cost-Constrained Sensor Reduction for Deployment AwareIoT-Based Multiclass Water Quality Monitoring
Abstract: Large-scale Internet of Things deployment for water quality monitoring systems is bounded by the capital and several other costs associated with the multi-dimensional sensor. While prior research demonstrates strong predictive performance using multi- parameter physicochemical sensing, limited attention has been given to explicit sensing cost constraints and deployment feasibility. This work formulates multiclass water quality classification as a cost-constrained learning problem in which sensing dimensionality is minimized subject to bounded …
Published in International Journal of Digital Communication and Analog Signals · Vol. 12, Issue 2, 2026 Read article
-
Advances in Genetic Enhancement, Processing Innovation and Sustainable Valorization of Jute (Corchorus spp.): A Critical Review
Abstract: The accelerating global shift toward environmentally responsible material systems has intensified scientific and industrial interest in lignocellulosic bast fibres. Jute (Corchorus spp.) remains one of the most economically and ecologically significant natural fibres due to its renewability, biodegradability, and substantial contribution to rural livelihoods. This review critically synthesizes contemporary progress in genetic improvement, fibre structural optimization, retting biotechnology, surface engineering, and composite integration. Emphasis is placed on genomics-assisted breeding, targeted …
Published in International Journal of Plant Biotechnology · Vol. 12, Issue 2, 2026 · pp. 10–18 Read article
-
Effect of Nano-Fillers on the Mechanical and Fracture Behavior of Polymer Composite Matrices: A Review
Abstract: The modification of polymer composite matrices through the incorporation of nano-scale fillers has become a prominent and highly effective strategy for enhancing mechanical performance, stiffness, and fracture resistance. Unlike conventional micro-scale reinforcements, nano-fillers possess exceptionally high surface area–to–volume ratios and unique physicochemical characteristics that significantly influence interfacial phenomena within the polymer matrix. Materials, such as carbon nanotubes (CNTs), graphene nanoplatelets (GNPs), nano-silica, and layered silicate nanoclays, introduce advanced toughening mechanisms …
Published in International Journal of Composite Materials and Matrices · Vol. 12, Issue 1, 2026 · pp. 31–36 Read article
-
Catalytic Applications of Carbon Nanodots
Abstract: Carbon nanodots (CNDs) owing to their hydrophilicity and multifunctionality and with ultrasmall size exhibit metal-like properties resulting in astounding catalytic performance. These nanostructures, typically less than 10 nm in diameter, possess unique physicochemical and electronic characteristics including tunable photoluminescence, high surface-to-volume ratio, abundant surface functional groups, and excellent electron transfer capabilities. Such properties have driven extensive global research into their application in heterogeneous and homogeneous catalysis. Recent advances in synthesis …
Published in International Journal of Composite Materials and Matrices · Vol. 12, Issue 1, 2026 · pp. 9–14 Read article
-
Chemical Synthesis and Functional Engineering of Poly(lactide-co-glycolic acid) in Medicine
Abstract: Poly (lactide-co-glycolic acid) (PLGA) is one of the most extensively studied biodegradable polymers in modern medicine due to its excellent biocompatibility, tunable degradation behavior, and regulatory acceptance. Originally introduced in resorbable surgical sutures and implants, PLGA has evolved into a highly versatile platform for controlled and targeted drug delivery systems. This review presents a comprehensive analysis of PLGA’s chemical structure, synthesis methods, physicochemical properties, degradation mechanisms, and established clinical applications. …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 12, Issue 1, 2026 Read article
-
Reactivity of Niobium(V) ComplexTowards Hydroxamate Ligands
Abstract: A niobium(V) complex with the composition [NbCl(OC₆H₄CH(CH₃)₂-2)₄] was synthesized by reacting niobium pentachloride with four equivalents of 2-isopropylphenol in carbon tetrachloride as a solvent, yielding the product in good quantity. The complex was characterized using elemental analysis, molar conductance measurements, IR spectroscopy, ¹H and ¹³C NMR spectroscopy, and mass spectrometry. Spectroscopic results indicate that the complex exists in a dimeric form, with bridging occurring through isopropylphenoxo ligands. X-ray diffraction analysis …
Published in International Journal of Energetic Materials · Vol. 12, Issue 1, 2026 · pp. 1–6 Read article
-
A review on Biochar and its Nanocomposites for Removal of Toxics from Wastewater
Abstract: Biochar is a carbon-rich material formed by the thermochemical conversion of biomass under oxygen-limited circumstances, providing a long-term solution for waste valorisation and environmental management. Because of its high stability, surface functional groups, and porous structure, biochar has been used extensively in pollutant adsorption, carbon sequestration, and soil amendment. Recent developments have produced biochar nanocomposites, in which the physicochemical properties of biochar are improved by engineering or combining it with …
Published in International Journal of Composite Materials and Matrices · Vol. 12, Issue 1, 2026 · pp. 15–29 Read article
-
Engineering Behaviour of Expansive Clay Modified with Lime, Cement, and Fly Ash for Geotechnical Applications
Abstract: Abstract Soils exhibiting high swelling and shrinkage characteristics present a persistent challenge in geotechnical engineering, particularly in regions dominated by clay-rich deposits. These materials undergo significant volumetric changes due to moisture fluctuations, often resulting in structural distress, pavement failure, and increased maintenance demands. The present study investigates the modification of expansive soil behavior through the application of chemical stabilization techniques using lime, cement, and fly ash. A structured experimental program …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 12, Issue 1, 2026 Read article
-
Safety, Toxicology, and Regulatory Science of CT Nano‐Contrast Agents in Radiology
Abstract: Nanoparticle-based contrast agents for X-ray computed tomography (CT) seek to overcome limitations of conventional iodinated small-molecule media but raise distinctive safety, toxicology, and regulatory science questions. Nano–bio-interactions specific to CT nanocontrast include reticuloendothelial system (RES) uptake, long-term hepatic and splenic retention, size-dependent renal versus hepatobiliary clearance, and potential immunogenicity and genotoxicity, all strongly influenced by particle composition, size, shape, surface charge, and coating chemistry. Robust preclinical evaluation requires harmonized in …
Published in International Journal of Applied Nanotechnology · Vol. 12, Issue 1, 2026 · pp. 36–47 Read article
-
Industrial Effluent Pollution and Sustainable Treatment Strategies: An Analytical Approach
Abstract: Industrialization has significantly propelled economic development across the globe, but it has also led to the generation of vast quantities of hazardous effluents that pose serious threats to the environment and public health. Industrial effluents, depending on their origin, often contain high levels of chemical oxygen demand (COD), biological oxygen demand (BOD), total dissolved solids (TDS), toxic heavy metals, dyes, solvents, pharmaceutical residues, and other harmful substances. This research paper …
Published in International Journal of Green Chemistry · Vol. 12, Issue 1, 2026 · pp. 20–25 Read article
-
A Comparative Study of Seasonal Variability and Photocatalytic Impact on Water Quality of the Ayad River, Rajasthan
Abstract: This study examines seasonal fluctuation in Ayad River water quality, Rajasthan, India and compares the performance of titanium dioxide (TiO2)-mediated photocatalytic treatment under natural sunlight irradiance. Ayad River is a critical source of freshwater for domestic, agricultural and environmental purposes, which is increasingly stressed by urban runoff, industrial effluent and seasonality. As a follow-up to the above, water samples of four important water sources- Thurmadar, Subhas Nagar Bridge (Ayad), Kanpur …
Published in International Journal of Green Chemistry · Vol. 11, Issue 2, 2025 · pp. 1–17 Read article
-
Brown Onion Oil Characteristics of Medicinal Integrity byLooking at the Extraction Operating Conditions
Abstract: New forms of disease are increasingly affecting people living in today’s highly pressure environment, and these diseases are less responsive to conventional treatments. Aromatic plants and species are used for thousands of years for many purposes, such as medicine, perfumes and cosmetics, as well as in the food industry for culinary and medicinal uses. The brown onion shows the following physic and chemical properties as determined experimentally as Refractive index …
Published in International Journal of Chemical Separation Technology · Vol. 11, Issue 2, 2025 · pp. 41–51 Read article
-
Evaluation of Michaelis-Menten Constants of TPH Degradation on Clay Soil
Abstract: The degradation of Total Petroleum Hydrocarbons (TPH) in petroleum-contaminated clay soil remains a major environmental concern, particularly in regions with limited remediation options. This study investigates the enzymatic kinetics of TPH biodegradation using Michaelis-Menten modeling in the presence of Bryophyllum pinnatum leaf extracts as biostimulants. Fourteen bioreactors containing 2000g of contaminated clay soil were prepared with 100ml of crude oil and treated with varying doses (100ml, 200ml, and 300ml) of …
Published in International Journal of Chemical Engineering and Processing · Vol. 11, Issue 2, 2025 · pp. 6–12 Read article
-
Nanomaterials in Modern Medicine: Synthesis,Applications, and Future Prospects
Abstract: Nanomaterials have significantly transformed the biomedical landscape, offering novelsolutions for diagnosis, treatment, and disease prevention. Their distinct physicochemicalcharacteristics such as a high surface area-to-volume ratio, tunable surface chemistry, andimproved bioavailability enable precise interactions with biological systems at the molecularlevel. This review presents a comprehensive examination of the synthesis methods andcharacterisation techniques employed to develop biomedical-grade nanomaterials, highlightingtheir structural and functional optimisation for clinical applications. Key areas of applicationdiscussed include targeted …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 11, Issue 2, 2025 Read article