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104 articles for “Physicochemical analysis”
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Wastewater Treatment Techniques, Quality Monitoring, and Compliance with Regulatory Standards in Nigeria
Abstract: Innovative wastewater treatment techniques, recycling systems, circular economy, and quality monitoring and enforcement of regulatory standards are vital for sustainable urban water development. This study offers a thorough analysis and review of the literature on wastewater treatment methods in Nigeria, spanning from traditional approaches to cutting-edge technologies like membrane bioreactors, trickling filters, activated sludge systems, anaerobic digesters, and constructed wetlands. It also investigates deeper into the existing quality monitoring systems, …
Published in Journal of Water Pollution & Purification Research · Vol. 13, Issue 2, 2026 · pp. 23–35 Read article
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Synthesis, Characterization of New Imidazolidin-4-One Containing Azo Compound Derived from Acetylacetone as Antibacterial and Antioxidant Agents
Abstract: In the present study, new derivatives of imidazolidine-4-one was prepared. Which involved reactions to diazonium salt of o-methoxy aniline with acetylacetone in the presence of sodium hydroxide, and isolating the azo compound as a brown precipitate. The azo diketone reacts efficiently with aromatic amine derivatives to produce Schiff bases as a light yellow and dark brown precipitates, and from this Schiff bases three derivatives of imidazolidine-4-one was prepared by reacting …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 17, Issue 1, 2026 · pp. 94–114 Read article
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Physico-Chemical Analysis of Chambal River water at two different sites of Rajasthan, India
Abstract: The physico-chemical properties of the Chambal River in the National Chambal Sanctuary have been investigated. In recent years, the deterioration of water quality has gradually made Chambal River water unsuitable for various beneficial uses. Maintaining and restoring the health of the river in terms of its ecological sustainability is today the logical necessity. The present study addresses physico-chemical parameters of the Chambal River in the national protected area of Rajasthan …
Published in Journal of Water Pollution & Purification Research · Vol. 7, Issue 3, 2020 · pp. 13–19 Read article
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Pharmaco-Nutraceutical and Chromatographic Study of Wattakaka Volubilis (Linn. f.) Stapf. Leaves
Abstract: Wattakaka volubilis (Linn.f.) stapf. (Asclepediaceae), twinning shrub, is used as a source plant of Jeevanti, an established drug of Ayurveda. Its leaves are used by the tribal people as a source of vegetable. The present work has been undertaken, to establish the necessary pharmacognostical, nutraceutical, physicochemical and HPTLC characters of leaves of Wattakaka volubilis following standard procedures. Results showed that the leaves are simple, petiolated, opposite, cordate to ovate, hispidly …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 1, Issue 2, 2014 · pp. 23–28 Read article
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Novel Plant Growth Promoting Rhizobacteria from Rhizospheres of Date Palm (Phoenix dactylifera): 16S rRNA Typing and Phylogenetic Analyses Reveal their Distinct Identity
Abstract: AbstractPlant growth-promoting rhizobacteria (PGPR) comprise a large portion of soil microbiome and are essential for the growth of plants as they are capable of exhibiting a range of plant growth promoting biochemical mechanisms. Reports on rhizosphere microflora of date palm tree Phoenix dactylifera are scarce and the rhizomicrobiome of the date palm tree is expected to have microbial members that exhibit features to overcome stress due to varying conditions such …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 9, Issue 1, 2019 · pp. 11–25 Read article
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Sustainable Production of Halal Butter from Mango Kernel Oil: Extraction, Characterization and Functional Evaluation
Abstract: Mango kernel oil (MKO) is a mango processing by-product and is increasingly of interest in food use because of its appropriate fat content. The growing demand of the halal and plant-based alternatives of butter points to the necessity of the sustainable non-dairy sources of fat. Mango kernel oil butter has good physicochemical properties such as a good balance of fatty acids, good oxidative stability, and the right level of moisture, …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 15, Issue 2, 2026 · pp. 12–21 Read article
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A Study on AI-Enhanced Environmental Toxicology: Sensor-Driven Predictive Framework
Abstract: Traditional environmental toxicology relies heavily on labor-intensive, often retrospective, sampling and analysis, limiting our understanding of dynamic pollutant behaviors and their real-time impact on ecosystems and human health. This study presents a novel, integrated framework leveraging advanced sensor networks and artificial intelligence (AI) to revolutionize the monitoring, assessment, and predictive modeling of environmental contaminants. We deployed a sophisticated array of multi-parameter sensors (e.g., electrochemical, optical, biosensors for heavy metals, organic …
Published in Research and Reviews: A Journal of Toxicology · Vol. 15, Issue 3, 2025 Read article
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Impact of Fly Ash Pollution on Quality of Agricultural Soils Around Thermal Power Station
Abstract: The coal-fired Khaparkheda Thermal Power Station (KTPS) and its fly ash pond in Nagpur District, Maharashtra, India has been responsible for serious fly ash pollution incidents of agricultural soil. The present study was carried out on the quality of soil samples around the fly ash pond and KTPS. The physicochemical and chemical characteristics of soil samples were observed to be affected due to fly ash pollution. The fertility of soil …
Published in Research & Reviews : Journal of Ecology · Vol. 14, Issue 1, 2025 · pp. 6–17 Read article
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2D-QSAR Studies on Unsaturated 4-Azasteroids as 5α-reductase Inhibitors
Abstract: Dihydrotestosterone (DHT) a major circulating male hormone is produced by NADPH dependent enzyme 5α-reductase (5 alpha R) and has been found to be causative agent in the development of pathological condition i.e. benign prostate hyperplasia (BPH). Thus inhibition of 5α-reductase enzyme represents a novel target in the treatment of BPH. Present study describes the relationship between the 5α-Reductase inhibitory activity for structurally related unsaturated 4-azasteroids derivatives and their physicochemical descriptors …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 4, Issue 1, 2017 · pp. 26–37 Read article
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Effect of Solid Waste Leachate on the Quality of Underground Water Around Ruhueli Dumpsite in Rumuomoi Community, Rivers State, Nigeria
Abstract: This study investigated the impact of open dumpsite leachate on groundwater quality by examining the physicochemical and microbiological properties of groundwater within the vicinity of a dumpsite in Ruhueli-Rumuomoi community, Rumuigbo, Rivers State, Nigeria. Groundwater samples were taken from three different boreholes in the study area at a distance of 30 m, 60 m and 90 m from the dumpsite. The results of the physicochemical parameters revealed that pH ranged …
Published in Research & Reviews : Journal of Ecology · Vol. 11, Issue 1, 2022 · pp. 15–21 Read article
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Reactivity of Monochlorotetrakis2-Isopropylphenoxoniobium(V), [NbCl(OC6H4CH(CH3)2-2)4] towards Chelating Ligands
Abstract: The niobium(V) complexes with the formula [NbCl(OC₆H₄CH(CH₃)₂-2)₄] were successfully synthesized in high yields through the reaction of niobium pentachloride with four equivalent amounts of 2-isopropylphenol in carbon tetrachloride. The synthesized complexes were characterized and confirmed by elemental analysis, molar conductance measurements, infrared (IR) spectroscopy, ^1H and ^13C NMR spectroscopy, as well as mass spectrometric analysis. The spectroscopic studies have shown these to exhibit dimeric structures bridging through isopropylphenoxo groups. The …
Published in International Journal of Minerals · Vol. 3, Issue 1, 2026 · pp. 37–45 Read article
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Computational Study of Sombor Index on Generalized Abid–Waheed Graphs for Polymer Modeling
Abstract: This study investigates the topological properties of generalized Abid Waheed graphs. Development of theoretical models in chemistry, reducing computational complexity while analysing large molecules or networks Abid Waheed graphs play a significant role. Motivated by these findings, the research was extended to encompass generalized Abid Waheed graphs, characterized by r cycles of order s. A notable similarity between Abid Waheed graphs and Jahangir graphs was observed. The potential applications of …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 267–274 Read article
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Harnessing Marine Byproducts and Optimization of Biopolymer Extraction Quality Using Response Surface Methodology and Study of Its Physicochemical Properties
Abstract: Chitosan, a versatile biopolymer derived from chitin, holds immense potential across various industries owing to its antimicrobial, antioxidant, and biocompatible properties. This study aims to optimize the deacetylation process of chitin, sourced from shrimp shells, using Response Surface Methodology (RSM) to produce high-quality chitosan. The Box-Behnken Design (BBD) was employed to evaluate the effects of temperature, time, and alkali concentration on the degree of deacetylation (DD%), a key determinant of …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 125–139 Read article
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Valorization of Shrimp Processing Waste by Green Methodology and its Application in Chitosan-PEG Composite Film
Abstract: Shrimp processing waste is mostly unidentified marine by product, presents considerable environmental pollution which also offers a rich but not fully exploited sources of biopolymers. The current work presents a sustainable method to convert shrimp processing waste into chitosan a biopolymer by green methodology. Isolation of chitin to chitosan from shrimp processing waste was carried through four green methodology steps i. Demineralization using citric acid ii. Deproteinization using papain iii. …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 1154–1162 Read article
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Investigation on the Periodic Dispersion of TPH in Stagnant Water Environment
Abstract: An investigation was carried out on the dispersion of crude oil in stagnant water environment and studied experimentally using relevant mathematical models. Precisely two tanks of equal capacity were filled to about 1.5m3 volumes of fresh water and salt water respectively. Also, we considered TPH diffusion in the stagnant water environment which was studied using Developed Dispersion and Degradation Model incorporated with first order degradation rate as well as the …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 14, Issue 1, 2023 · pp. 73–77 Read article
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Graph Theoretic Analysis of Cyclodextrin Polymers
Abstract: Topological indicators in chemical graph theory are essential tools in cheminformatics, providing valuable insights into molecular structure and properties to make more accurate predictions about the behavior and efficacy of novel compounds in drug design. The macro molecules are correlated with certain derivatives. The derivatives are growing structures which depends on the cyclic structures. The Cyclodextrin is one of the cyclic structures which depends on the carbon atoms. The polymer …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 997–1006 Read article
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Development and Performance Evaluation of a Polyethersulfone–Graphene Oxide Ultrafiltration Membrane for Simultaneous Drug Delivery and Virus Removal: An Experimental Investigation
Abstract: The development of multifunctional ultrafiltration membranes for simultaneous controlled drug delivery and viral removal has gained considerable attention in biomedical engineering, pharmaceutical sciences, and water purification. Polyethersulfone (PES) membranes offer excellent thermal, chemical, and mechanical stability; however, their hydrophobicity can limit permeability, antifouling performance, and biocompatibility. This study proposes the fabrication of PES–graphene oxide (GO) ultrafiltration membranes using the phase inversion technique, with systematic variation of GO concentration to optimize …
Published in International Journal of Membranes · Vol. 3, Issue 2, 2026 Read article
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Design and Evaluation of Thermo-Responsive Poly(N-isopropylacrylamide)-Based Polymeric Nanoparticles for Temperature-Triggered Intratumoral Release of Doxorubicin in Solid Tumors
Abstract: Thermo-responsive polymeric systems have emerged as promising platforms for targeted intratumoral drug delivery in cancer therapy. This study aimed to develop and evaluate poly(N-isopropylacrylamide) (PNIPAM)-based polymeric nanoparticles as intelligent carriers for temperature-responsive delivery of doxorubicin (DOX) to solid tumors. Nanoparticles were synthesized via free radical polymerization using N-isopropylacrylamide as a thermoresponsive monomer and N,N′-methylenebisacrylamide as a crosslinker, forming a stable network with a tunable lower critical solution temperature (LCST).The optimized …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 159–168 Read article
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Polymer Composite Phase Change Materials: Materials Design, Processing, Characterization, and Structure–Property Relationships—A Comprehensive Review
Abstract: Polymer composite phase change materials (PCPCMs) have been recognized as an innovative category of multifunctional polymeric materials, which could be tuned by appropriate materials design, composite formation, and interface modification. With the incorporation of phase change materials in polymer matrix systems and functional fillers, PCPCMs show improved mechanical properties, physicochemical stability, and functionality in contrast to traditional phase change materials. With recent advances in polymer science, nanocomposites, and processing techniques, …
Published in Journal of Polymer & Composites · Vol. 14, Issue 5, 2026 Read article
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Pharmaceutical Standardization and Preliminary assay of Kokilaksha (Asteracantha longifolia nees.) Ghana
Abstract: Introduction: Kokilaksha (Asteracantha longifolia Nees.) is an annual herb belonging to the acanthaceae family. In classics, Kokilaksha Kwatha (Decoction) is stated in the treatment of Nidranasha (Insomnia), Vatarakta (Gout), Shoola (Pain) and many more. Panchavidha Kashaya Kalpana (five basic preparation) are primary potent preparations of Ayurved pharmaceutics from which several additional preparations are developed as per need of time like Vati (Pills), Avaleha (Lincus), Ghana (Solidified aqueous extract), Kshara (Alkali) …
Published in Research & Reviews : Journal of Herbal Science · Vol. 12, Issue 3, 2023 · pp. 21–29 Read article