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469 articles for “derivatives”
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Synthesis and Characterization of Sustainable, Low-Cost, Biomass-Derived Carbon Films from Hevea Brasiliensis (Rubber) Wood for Environmentally Friendly Gas Sensors with Enhanced Selectivity and Sensitivity to Polar Vapors and Hazardous Gases
Abstract: Hevea brasiliensis (rubber) wood sawdust was utilized to fabricate carbon gas sensors for detecting 1000 ppm of ethanol, methanol, acetone, carbon dioxide, and ammonia gases. The carbon particles were prepared by phosphoric acid impregnation followed by thermal activation and then fabricated into films on conductive and non-conductive substrates using the doctor blade method. X-ray diffraction (XRD) analysis revealed distinct graphitic features with peaks at the (002) and (100) planes, indicating …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 12, Issue 1, 2025 · pp. 22–36 Read article
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Design, Synthesis, and in vitro Evaluation of Novel Benz/Imidazole-2-acetonitrile Derivatives as Antibacterial and Antifungal Agents
Abstract: Benzimidazole is a pharmaceutically important compound. In this research, we were able to prepare several heterocyclic derivatives from it by first preparing a new azo derivative ZH through a reaction of 3-aminoacetophenone with benzimidazole-2-acetonitrile. This azo derivative was then introduced via a condensation reaction with aromatic amine derivatives, resulting in the preparation of two Schiff base derivatives Z1 and Z2. From these bases, six and seven membered heterocyclic derivatives were …
Published in Emerging Trends in Chemical Engineering · Vol. 13, Issue 2, 2026 · pp. 53–87 Read article
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Characterization of Synthesized Heterocyclic Oxadiazole Derivatives Using Mass, UV, IR, and NMR Spectroscopy, Among other Spectroscopic Techniques: Review
Abstract: The current study synthesized and assessed 3-heteroarylazo 4-hydroxy coumarin derivatives' initial antibacterial activities in vitro against four distinct pathogenic bacterial strains, including Pseudomonas aeruginosa, Bacillus subtilis, Escherichia coli, and Staphylococcus aureus. Ampicillin, a common medication, was used to compare each compound's antibacterial properties. UV, IR, 1H NMR, mass spectroscopy, and X-ray diffraction examinations were used to analyze the compounds. By using UV–vis spectra, the solute-chromic behavior of these compounds was …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 1, Issue 1, 2023 · pp. 28–33 Read article
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Marine-Derived Pharmaceuticals: Unlocking the Ocean's Potential for Human Health
Abstract: The ocean, covering 70% of the Earth’s surface, is a rich source of unique bioactive compounds with potential therapeutic applications. This review aims to highlight the significance of marine-derived pharmaceuticals in human health, focusing on clinically approved and commercially available medications. The review covers various marine-derived compounds, their structural features, modes of action, and applications in treating diseases, such as cancer, diabetes, and neurodegenerative disorders. The review identifies several marine-derived …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 12, Issue 1, 2025 · pp. 1–12 Read article
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Computational Molecular Docking Studies to Design Novel 2, 3-Substituted-1-(4-(Piperidin-1-yl) butyl)-1H- indol-5-ol Derivatives for Estrogen Receptor Alfa in AF-2 Domain
Abstract: The present manuscript describes the designing of novel 2, 3-Substituted-1-(4-(Piperidin-1-yl) butyl)- 1H-indol-5-ol derivatives as specific estrogen receptor alfa modulators and their screening by docking studies to determine the binding interaction for the best-fit conformations in the binding site of the ERα receptor. Based on the results of docking studies, the selected ligands reveal the all- important functional groups of the ligands that interact with active amino acid residues in the …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 12, Issue 3, 2025 · pp. 15–49 Read article
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Grid based docking study of some 2-(4-methylsulfonyl phenyl) pyrimidine derivatives (designed after QSAR studies) with Cyclooxygenase
Abstract: Molecular docking helps in studying drug/ligand or receptor/ protein interactions by identifying the suitable active sites in protein, obtaining the best geometry of ligand-receptor complex and calculating the energy of interaction for different ligands to design more effective ligands. In Grid based docking, after unique conformers of the ligand are generated, the receptor cavity of interest is chosen and a grid is generated around the cavity. Cavity points are found …
Published in International Journal of Antibiotics · Vol. 1, Issue 1, 2024 · pp. 23–41 Read article
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Synthesis, Characterization and Evaluation of Pyridine derivatives
Abstract: Schiff bases, a class of organic compounds, have garnered significant attention due to their diverse applications in various fields such as pharmaceuticals, materials science, and coordination chemistry. This study provides a comprehensive overview of the synthesis of Schiff bases amino pyridine derivatives and aromatic ketones along with their anti-microbial activity. Method: The synthesis of Schiff bases primarily involves the condensation reaction between a primary amine and a carbonyl compound (ketone) …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 11, Issue 2, 2024 · pp. 35–48 Read article
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Development of a Plant-Derived Bacteriological Culture Medium as an Alternative to Conventional Nutrient Agar
Abstract: Microbiological research extensively uses culture media for the cultivation and study of microorganisms. However, the traditional nutrient agar, which contains animal-derived components, presents ethical and accessibility challenges. This study aims to tackle these issues by creating a plant-based bacteriological culture medium as a sustainable and cost-effective alternative. The primary objective is to satisfy the growing demand for ethical and accessible culture media by utilizing the nutritional richness of common plant …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 11, Issue 3, 2024 · pp. 1–9 Read article
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Synthesis and Characterization of Polymer-Based Benzamide Derivatives with Potential Biomedical Applications
Abstract: The present study explores the synthesis and characterization of polymer-supported benzamide derivatives, focusing on their potential biomedical applications. The use of polymer-supported synthesis offers several advantages, including improved reaction efficiency, ease of purification, and reusability of the support material, making it an environmentally friendly and cost-effective approach. The synthesis involved a stepwise reaction sequence, with polymeric supports facilitating controlled functionalization and ensuring high product purity. These materials have been widely …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 Read article
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Synthesis, Characterization, Antibacterial Evaluation and Study of Organic Separation Behavior for Five Membered Ring for Pyridine Derivatives
Abstract: Imidazoles can be prepared by condensation between amines and various aldehydes and ketones. Imidazole derivatives are important compounds due to their broad biological activity and pharmacological properties, such as antifungal, antioxidant, cytotoxic, anti-inflammatory, analgesic, anti-YFV (yellow fever virus), anti-tuberculosis, and antimicrobial activity. In recent years, many studies have been conducted on the preparation of biological imidazole derivatives, especially derivatives linked to heterogeneous rings containing nitrogen or any other donor atom. …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 16, Issue 3, 2025 · pp. 106–121 Read article
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Synthesis, Characterization, Biological evaluation, and in silico study of aniline derivatives
Abstract: In many hospitals worldwide, bacterial infections brought on by resistant strains are wreaking havoc, particularly in patients who are already impaired by age, disease, and other conditions. Due to the bacterial resistance, it is required to search for newer antibacterial drugs or molecules. In the current study, we aimed to develop aniline derivatives, followed by their anti-bacterial and in silico studies. Out of all the synthesized derivatives, compound 4d was …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 16, Issue 2, 2025 · pp. 25–32 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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Curbing Speculation vs. Market Participation: A Study of SEBI’s 2024 Derivatives Measures
Abstract: The derivative market has become a cornerstone of India’s financial ecosystem, complementing the traditional stock market by enabling risk management, price discovery, and liquidity enhancement. However, with the rapid growth of this segment, concerns over speculative activities have prompted regulatory intervention. On October 1, 2024, the Securities and Exchange Board of India (SEBI) introduced significant reforms aimed at curbing speculation, protecting retail investors, and fostering market stability. While these changes …
Published in Research & Reviews : Journal of Statistics · Vol. 14, Issue 2, 2025 · pp. 28–43 Read article
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Comprehensive Review of Kojic Acid and Its Derivatives: Biological Activities, Safety, and Therapeutic Potential in Depigmentation
Abstract: There are several uses for kojic acid in human medicine, particularly in depigmentation. Additionally, derivatives of it are suggested to enhance efficacy, avoid side effects, and stop chemical degradation. With an eye toward human use and an attempt to clarify the action mechanisms, the goal of this study was to review the most recent scientific literature regarding the biological activities and safety information of kojic acid or its derivatives. During …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 16, Issue 2, 2025 · pp. 45–53 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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Polymer-Based Chemistry of Carbohydrate-Derived Fulvic Acid and Its Comparative Effect with Chelating Agents on Root Dentin Microhardness
Abstract: The interaction between the polymer science and the endodontic biomaterials field has increased recently while considering the search for chelating agents. CHD-FA (Carbohydrate-Derived Fulvic Acid), a naturally occurring low-molecular-weight polymeric organic acid, has potential chelating and antimicrobial and antioxidant activities. This investigation examines the polymeric chemistry of CHD-FA and compares the effect of CHD-FA with other chelating agents, ethylenediaminetetraacetic acid (EDTA), and citric acid, on root dentin microhardness. A total …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1051–1061 Read article
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Oxadiazole Derivatives Recent Progress in Synthesis and Bioactivity
Abstract: Over the past few decades, significant advancements have been made in the development of heterocyclic derivatives, leading to the production of numerous novel agents, both synthetic and natural in origin. Because of its numerous biological properties, including antibacterial, antiviral, and antifungal properties, thiazole is a special five-membered heterocyclic motif among heterocyclic compounds. It is utilized as a fundamental building block in many pharmaceutically significant compounds. To the best of our …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 15, Issue 1, 2024 · pp. 62–67 Read article
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Development of Biomass-Derived Composites From Commodity Plastics Via Pyrolysis For Enhanced Corrosion Protection of Metals
Abstract: Escalating environmental concerns and the depletion of fossil resources have spurred the need for sustainable and eco-friendly materials. By converting plastic waste into valuable carbonaceous materials via pyrolysis, both plastic pollution and resource scarcity can be addressed. The process involves the thermal decomposition of plastics in an inert atmosphere, producing a mixture of gases, liquids, and solid residues rich in carbon. These carbonaceous residues are then incorporated with biomass materials …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 59–70 Read article
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Formation, Organic Investigation, Fluorescence Study of New Cyclic Derivatives of Thiophane-Triazole Compounds
Abstract: Azo compounds are used as intermediates in the preparation of many well-known and diverse organic derivatives. Cyclical or related azo derivatives, such as triazoles and thiophenes, possess useful applications in medicinal and pharmaceutical chemistry. Thiophene compounds and their derivatives have demonstrated a variety of biological activities, including antibacterial, antifungal, anti-tuberculosis, anti-inflammatory, analgesic, sedative, and hypnotic properties, immunosuppressive, and antihypertensive properties. Furthermore, thiophene derivatives can be used in the treatment of …
Published in Emerging Trends in Chemical Engineering · Vol. 12, Issue 3, 2025 · pp. 1–13 Read article
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Study on the Method of Constructing a System of Linear Equations for Calculating Aerodynamic Derivatives
Abstract: The aerodynamic derivatives can be calculated from the unsteady hydrodynamic forces experienced by the harmonic-oscillating vehicle. Until now, unsteady flow field analysis in aerodynamic derivative calculations has been applied mainly to thin bodies based on potential theory MSC. Nastran is a typical application based on potential theory MSC. Natran can calculate the aerodynamic derivatives of the vehicle relatively well in the subsonic region, but in the supersonic region, the fuselage …
Published in Journal of Experimental & Applied Mechanics · Vol. 16, Issue 3, 2025 · pp. 14–24 Read article