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737 articles for “chemicals”
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Green Synthesis of Cobalt Oxide Nanoparticles Using Delonix regia Leaf
Abstract: Green synthesis of nanoparticles offers a sustainable and eco-friendly alternative to conventional methods. This study explores the biosynthesis of cobalt oxide nanoparticles (Co3O4 NPs) using Delonix regia leaf extract as a reducing and stabilizing agent. The synthesized Co3O4 NPs were characterized by UV-visible spectroscopy, Fourier transform infrared (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM), confirming their uniform spherical morphology with an average size of …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 16, Issue 1, 2025 · pp. 30–38 Read article
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Inventory of Healthcare Waste Generated at Kambia Government Hospital, Sierra Leone
Abstract: This research studies the categories and management practices of healthcare waste generated at Kambia Government Hospital and stresses the need for effective waste management to protect health and the environment. The waste is categorized into seven types: general, infectious, pathogenic, pharmaceutical, sharps, chemical, and liquid. Weekly assessments discovered fluctuations in waste generation, with general and infectious waste consistently comprising significant portions. Notably, sharps waste underscored the risks associated with injury …
Published in International Journal of Pollution: Prevention & Control · Vol. 3, Issue 1, 2025 · pp. 20–28 Read article
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Excoecaria agallocha Extract from Leaves Encounters Antifungal, Antibacterial, and Cytotoxic Activity – In Vitro Studies
Abstract: Mangroves contain a wide range of bioactive substances, certain of and these have been used as solutions for a variation of conditions for thousands of years. Excoecaria agallocha leaf application components have been extracted in the presence of organic solvents along with water-based with a Soxhlet apparatus and antibacterial research properties employing diffusion agar well assays towards nine different kinds of culture infectious agents, six clinical trials isolated compounds, as …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 15, Issue 2, 2025 · pp. 1–7 Read article
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Toxic Trails: Land Degradation Induced By Pollutants
Abstract: Land degradation, driven by various pollutants, poses a significant threat to global ecosystems, agriculture, and human well-being. This review article explores the mechanisms through which pollutants, including heavy metals, pesticides, industrial chemicals, and urban waste, contribute to soil erosion, salinization, acidification, and loss of soil biodiversity. The article presents detailed case studies from regions such as China, India, Nigeria, the United States, Europe, Sub-Saharan Africa, and Australia, highlighting the diverse …
Published in International Journal of Land · Vol. 1, Issue 1, 2024 · pp. 37–45 Read article
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The Factors that Cause Water Pollution: Issues and Remedies
Abstract: Water, a vital and indispensable natural resource, plays a fundamental role in sustaining life on Earth. Known as a universal solvent, it supports a wide range of essential life processes. Its uses span various sectors, including drinking, household needs, industrial production, power generation, and agricultural irrigation. The significance of maintaining clean and safe water supplies cannot be overstated, as it directly influences human health, environmental stability, and socioeconomic development. This …
Published in Journal of Water Pollution & Purification Research · Vol. 12, Issue 2, 2025 · pp. 1–16 Read article
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Comprehensive Review of EPDM (Ethylene Propylene Diene Monomer) Rubber
Abstract: The terpolymer elastomer known as ethylene propylene diene monomer (EPDM) is made up of ethylene and propylene with trace amounts of a non-conjugated diene as a third monomer. This elastomer was created using the idea of limited olefinic functionality, which is brought about by diene monomer incorporating unsaturation into the polymer backbone. This random elastomeric copolymer, which has a fully saturated polymer backbone, has intriguing qualities such as good heat …
Published in Emerging Trends in Chemical Engineering · Vol. 12, Issue 2, 2025 · pp. 27–34 Read article
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Chemiluminescence: Recent Developments and Photochemical Applications in Analytical Chemistry
Abstract: Chemiluminescence (CL) is the observable production of electromagnetic radiation from a chemical reaction, typically in the form of ultraviolet, visible, or infrared light. According to subjective yield, CL has either been directly emitted from electronically excited intermediate products, or it has been supported by another molecule to emit CL. Since the 1950s, CL has been supported as a valid analytical tool, with the descriptive issued scope being limited to content …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 2, Issue 1, 2024 · pp. 20–25 Read article
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Exploring Carbon Nanotubes in Nanotechnology: Functional Properties, Surface Modifications, and Biomedical Innovations
Abstract: Significant progress has been made in nanotechnology in recent years, especially in the creation of sensors with a broad range of uses. Among these, carbon nanotubes (CNTs) are cylindrical structures composed of carbon, with diameters in the nanometer range. CNTs originate from graphite sheets, where the graphite layers resemble a rolled-up, continuous, and robust hexagonal mesh. These hexagons have carbon atoms at their vertices. The fabrication of CNTs typically involves …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 2, Issue 2, 2024 · pp. 24–31 Read article
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CdS-Based Photocatalytic Nanostructures: A Promising Material for Various Environmental Applications
Abstract: Modern technological and industrial progress has significantly increased the use of chemicals in product development, leading to greater contamination of water sources by conventional pollutants (such as organic dyes and heavy metals) and harmful microorganisms. Wastewater treatment processes now reveal “emerging pollutants,” including pharmaceuticals, endocrine disruptors, and agricultural chemicals. Certain emerging pollutants, though harmless in some cases, can pose serious risks to various organisms. To address this, researchers are exploring …
Published in Research & Reviews : Journal of Physics · Vol. 14, Issue 1, 2025 · pp. 33–53 Read article
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Exploring Antimalarial Activity of Chalcone Derivatives through QSAR
Abstract: Background: The core structure of chalcones contains a reactive α,β-unsaturated system within the aromatic rings, which plays a key role in mediating various biological effects. These effects include enzyme inhibition, anticancer activity, anti-inflammatory properties, as well as antibacterial, antifungal, antimalarial, antiprotozoal, and anti-filarial actions.Modifying the structure by introducing substituent groups to the aromatic ring can enhance potency, reduce toxicity, and expand their range of pharmacological actions. Methods: A total of …
Published in International Journal of Bioinformatics and Computational Biology · Vol. 3, Issue 2, 2025 · pp. 1–6 Read article
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The Silent Mineral: Structural Complexity and Industrial Utility of Natural Kaolin
Abstract: Kaolin, a naturally occurring aluminosilicate clay predominantly comprising the mineral kaolinite (Al₂Si₂O₅(OH)₄), exhibits a 1:1 layered silicate structure that imparts distinctive physicochemical properties suitable for extensive industrial utilization. Deposits of kaolin are broadly classified into primary (residual) and secondary (sedimentary) categories, each defined by their geological origin and mineralogical features. The industrial processing of kaolin encompasses stages such as raw material extraction, beneficiation, and purification, aiming to optimize parameters including …
Published in International Journal of Crystalline Materials · Vol. 2, Issue 1, 2025 · pp. 52–61 Read article
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Big Data in Chemistry: Problems and Answers
Abstract: The rapid growth of experimental and computational chemistry data, researchers now have access to vast datasets, presenting both significant opportunities and challenges. This paper explores the primary challenges associated with managing, processing, and utilizing big data in chemistry, including data heterogeneity, integration across various scales and systems, lack of standardized formats, and the need for advanced tools for data analysis. Additionally, the paper discusses the ethical concerns of data ownership, …
Published in International Journal of Cheminformatics · Vol. 2, Issue 1, 2024 · pp. 9–14 Read article
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Metal Nanoparticle: Synthesis, Properties, and Their Dermatological and Cosmetic Impacts
Abstract: Nanoparticles (NPs) are materials with dimensions under 100 nm and various shapes, such as spheres and rods. Their advancement offers transformative potential in medical and healthcare fields. The increased application of NPs across molecular biology, chemistry, medicine, and material science reflects their growing importance. Due to their large surface area, NPs enhance substance delivery through the skin, benefiting cosmetic applications by improving penetration, efficacy, and targeted delivery of active ingredients.With …
Published in Recent Trends in Cosmetics · Vol. 2, Issue 2, 2025 · pp. 1–6 Read article
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Polymer Chemistry in Biomedical Applications: Advances and Innovations
Abstract: Polymers have revolutionized biomedical sciences by playing a crucial role in medical devices, drug delivery systems, and tissue engineering. It is important to note that their unique combination of biocompatibility, mechanical strength, and chemical versatility makes them essential for applications such as implants, prosthetics, and diagnostic tools. Biomedical polymers are categorized into natural types (e.g., collagen, chitosan) and synthetic variants (e.g., polyethylene glycol, polylactic acid), each offering distinct benefits depending …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 Read article
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Effect of Steam Flash Explosion Conditions on Preparation of Reed Pulp
Abstract: The effects of different steam explosion conditions on preparation of reed pulp by steam flash explosion were analyzed. Because the main factors affecting steam explosion are steam pressure, retention time and liquid-to-reed ratio, so that the effects of these conditions on the steam explosion pretreated reed straw, and constituent of reed pulp were analyzed. Reed straw samples, 2~3cm in length, were loaded into a 5L stainless steel reactor and treated …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 16, Issue 2, 2025 · pp. 115–128 Read article
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Preparation, Spectral Characterization and Bio-Evaluation of Five and Seven Membered Ring Derivatives
Abstract: Many cyclic compounds are made of heterogeneous atoms that are good electron donors to be the basic nucleus in the basic structure of chemical drugs, so most drugs and vitamins take cyclic compounds as a basic material for the manufacture of drugs, and without a doubt these drugs are distinguished by their high ability to make many biologically active derivatives in the fields of biochemistry and clinical medicine. Universal studies …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 16, Issue 2, 2025 · pp. 96–109 Read article
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Innovative Approaches in Excipient Co-Processing: A Comprehensive Review
Abstract: Co-processing of existing excipients is an innovative strategy in pharmaceutical formulation that offers a cost-effective, efficient alternative to the development of entirely new excipients. This process involves combining two or more well-established excipients to create new material with enhanced properties, thereby improving the functionality, performance, and manufacturability of pharmaceutical products. By leveraging the unique characteristics of each excipient, co-processing can significantly enhance attributes, such as flowability, compressibility, solubility, stability, and …
Published in Trends in Drug Delivery · Vol. 12, Issue 2, 2025 · pp. 34–51 Read article
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Microorganisms used in aquaculture
Abstract: Microorganisms play a vital role in the health and sustainability of aquaculture systems, contributing to water quality management, disease control, and the overall productivity of aquatic farms. Beneficial microorganisms, including bacteria, fungi, algae, and probiotics, are increasingly recognized for their positive impact on aquaculture operations. These microorganisms can enhance nutrient cycling, promote the breakdown of organic waste, and reduce the need for harmful chemicals, thus improving the environmental footprint of …
Published in International Journal of Marine Life · Vol. 2, Issue 2, 2025 Read article
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Formulation of Natural Hair Dye by Using Natural Herbs and Their Characterization
Abstract: The development of herbal hair dyes using natural herbs offers a safer alternative to chemical-based hair coloring products. This study investigates the development of a herbal hair dye formulated from a blend of natural ingredients renowned for their hair care benefits. The selected herbs include black catechu, henna, indigo, bhringraj, aloe-vera, amla, jatamansi, black cumin seeds, charcoal, alkanet root and extract of black tea, pomegranate & logwood. These herbs were …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 12, Issue 3, 2025 · pp. 08–16 Read article
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Advances in Polymer-Based Materials for Dental Applications: A Case Study on PVC and Ceramic Coatings in Digital Mouth Mirrors
Abstract: Polymeric materials play a crucial role in modern dentistry, providing improved mechanical properties, biocompatibility, and enhanced functionality in dental instruments. These materials contribute significantly to the advancement of dental tools, ensuring durability, safety, and efficiency. This study explores the application of polyvinyl chloride (PVC), ceramic coatings, and anti-fog polymer layers in the development of a digital mouth mirror. The integration of these materials results in enhanced durability, corrosion resistance, and …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 244–252 Read article