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101 articles for “Direct Synthesis”
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Evaluating the Influence of Catalyst and Temperature Effectiveness Factor on Reactor Performance for Direct Synthesis of Dimethyl Carbonate using Carbon Dioxide and Methanol
Abstract: In this research, the effectiveness of a packed bed reactor employing a nanorod ceria catalyst for the direct synthesis of dimethyl carbonate (DMC) from methanol and carbon dioxide (CO2) is assessed. In order to combat the growing CO2 levels, this study converted the greenhouse gas into dimethyl carbonate, a feedstock for green chemicals. In order to estimate the fractional conversion of methanol and DMC yield under different operating parameters, including …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 14, Issue 3, 2023 · pp. 37–48 Read article
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Direct and rapid synthesis of amides from carboxylic acids under solvent free condition using Clay based Heterogeneous recyclable catalyst
Abstract: Direct condensation of Carboxylic Acids and Amines has resulted in a highly simple and practical technique for the synthesis of amides. Fe-Al clay catalyst was used in the solvent-free, microwave-irradiated amide synthesis. Only a small amount of the catalyst was needed to produce products in very short of time with a good yield. The catalyst was easy to separate and could be recycled several times with negligible loss of catalytic …
Published in Journal of Catalyst & Catalysis · Vol. 10, Issue 2, 2023 · pp. 1–9 Read article
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Design of a Process Plant for Dimethyl Ether Synthesis from Syngas Using Direct Method
Abstract: The search for alternative renewable and less polluting energy sources has gained prominence thus, there is an increasing interest in the use of Dimethyl Ether (DME) as a clean alternative fuel and raw material in the chemical industry. The simulation of a plant for the production of Dimethyl Ether from Syngas using direct synthesis method has been carried out in this work. The simulation was done using ASPEN HYSYS software. …
Published in Journal of Petroleum Engineering & Technology · Vol. 13, Issue 1, 2023 · pp. 44–59 Read article
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Nanofluids: Advanced Synthesis Methods, Innovative Applications, and Future Directions
Abstract: Nanofluids, a novel mixture of nanoparticles and base fluids, is an innovative blend that has appeared as a transformative advancement in heat transfer and thermal management technologies. This study is going to discuss advanced synthesis methods, properties, and extensive applications of nanofluids in various fields, such as biomedical engineering, electronics cooling, solar energy, and machining. Optimization techniques such as nanoparticle selection, concentration control, and computational fluid dynamics modelling are also …
Published in Journal of Nuclear Engineering & Technology · Vol. 15, Issue 1, 2025 · pp. 1–11 Read article
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1,2,3,4-Tetrahydroquinoline: A Versatile Nucleus in the New Millennium
Abstract: Tetrahydroquinoline nucleus containing molecules are well known for their presence in natural products mainly in alkaloids, which constitute the active class of compounds possessing wide spectrum of biological activities. Tetrahydroquinoline skeleton is often used for the design of several synthetic compounds with diverse pharmacological properties. An immense wide range of pharmacological utility of such nucleus has inspired many synthetic and medicinal chemists to develop novel strategies for their synthesis, which …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 3, Issue 1, 2016 · pp. 1–18 Read article
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Implementation of 16-Bit Qam Using Texas Instruments
Abstract: In this paper, an implementation of 16-bit QAM is performed where there is a high use of Digital Video Broadcasting Cable (DVB-C), as there is increase in the usage the bandwidth requirement for each user is mutually increasing. Due to this, there is spectral congestion caused and drastic improvements have been taken in the field of communications. QAM multilevel modulation can offer an attractive solution to current bandwidth restriction in …
Published in Journal of Microelectronics and Solid State Devices · Vol. 2, Issue 2, 2015 · pp. 14–20 Read article
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Heterocyclic Compounds in Thin Film Coatings: A Review on Anticorrosion and Antimicrobial Properties.
Abstract: Heterocyclic compounds have gained significant attention in thin film coatings due to their exceptional chemical versatility and functional properties. These compounds, characterized by the presence of heteroatoms in their ring structures, play a crucial role in enhancing the anticorrosion and antimicrobial performance of protective coatings. This review explores the recent advancements in the application of heterocyclic compounds for corrosion resistance and microbial inhibition, emphasizing their mechanisms of action, effectiveness, and …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 12, Issue 1, 2025 · pp. 16–21 Read article
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Phytochemical Screening of Medicinal Plant Lantana camera Linn.
Abstract: AbstractThe phytochemical studies on medicinal plants have served the dual purpose of bringing up new therapeutic agents, providing useful leads of chemotherapeutic studies directed towards the synthesis of drugs modeled on the chemical structure of natural products. Lantana camara is an important medicinal plant with ethnomedicinal properties. It is screened for the presence of major phytochemical screening which shows the presence of steroids, triterpenoids, flavonoids, sugar, phenol, and tannin. The …
Published in Research & Reviews : Journal of Botany · Vol. 3, Issue 2, 2014 · pp. 1–4 Read article
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A Review on Drug Delivery Systems Using Microfluidics
Abstract: AbstractMicrofluidics is undoubtedly an influential technology that is currently revolutionizing the chemical and biological studies by replicating laboratory benchtop technology on a miniature chip-scale device. In the area of drug delivery science, microfluidics offers advantages, such as accurate dosage, ideal delivery, target-precise delivery, sustainable and controlled release, several dosing, and slight side effects. These helps bring significant assets to the drug delivery systems. Microfluidic technology has been increasingly used for …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 10, Issue 1, 2020 · pp. 1–10 Read article
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Idealising Step Change Towards Achieving Value for Money in Niger Delta’s Highway Infrastructure Delivery
Abstract: This paper idealises step changes proffered, given the repeated calls, to ensure value for money in highway infrastructure investment. The study reiterates the need for highway agencies to adequately evaluate the geomorphology of the Niger Delta, as a prerequisite to the cost-effective delivery of highway infrastructure in the region. Such prescriptive measures necessary to entrench geotechnical principles for the efficient development in road infrastructure have been identified from best practices …
Published in Trends in Transport Engineering and Applications · Vol. 8, Issue 1, 2021 · pp. 1–9 Read article
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Nitric Oxide—An Important Biomolecule in Breast Carcinoma
Abstract: Breast cancer represents significant problem of the world. Reactive nitrogen species of which nitric oxide (NO) is important constituent is a free radical gas which is synthesized by nitric oxide synthase (NOS).NO inhibits DNA synthesis and can damage DNA directly by deamination. In this study, NO level was studied in normal, pre- and postoperative cases of breast carcinoma. For this blood samples from 60 breast carcinoma cases were taken along …
Published in Research and Reviews: A Journal of Health Professions · Vol. 8, Issue 3, 2018 · pp. 55–59 Read article
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Harnessing the Bioactive Potential of Calotropis gigantea and Calotropis procera
Abstract: The medicinal plants of the Apocynaceae family Calotropis gigantea and Calotropis procera have gained more and more interest as source of bioactive molecules for biomedical applications like cancer therapy. They have various pharmacological activities, which are believed to be linked to various phytochemical constituents such as cardenolides, cardiac glycosides, flavonoids, triterpenoids, steroids, phenolic compounds, alkaloids, and proteins in their latex. The recent molecular and cellular studies show that extracts and …
Published in International Journal of Molecular Biotechnological Research · Vol. 4, Issue 2, 2026 Read article
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Torque Ripple Reduction in Induction Motor Drive Using Direct Torque Control Technique with Space Vector Modulation
Abstract: Three phase squirrel cage induction motor drives are widely used in industries for variable speed applications. This paper proposes the design and simulation of an induction motor (IM) drive with DTC-SVM (Direct Torque Control–Space Vector Modulation). The IGBT/Diode inverter switches are controlled by the DTC-SVM technique. The synthesis of vector selection table depends on the rotational direction of the stator flux vector. The control algorithm in DTC-SVM methods are based …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 1, 2015 · pp. 33–39 Read article
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Navigating the Principles and Practice of Oral Anticoagulant Therapy: A Comprehensive Healthcare Guide
Abstract: Oral anticoagulant therapy plays a critical role in the prevention and treatment of thromboembolic disorders, including atrial fibrillation (AF), venous thromboembolism (VTE), and mechanical heart valve replacement. This research article aims to provide a comprehensive overview of the principles and practice of oral anticoagulant therapy, focusing on the mechanisms of action, pharmacokinetics, clinical indications, monitoring, and management of associated complications. The cornerstone of oral anticoagulant therapy includes vitamin K antagonists …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 15, Issue 1, 2025 · pp. 76–82 Read article
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Theoretical Studies of Single Wall Carbon Nanotubes for Synthesis and Growth Mechanism
Abstract: The term ‘controlled production’ of single-wall nanotubes SWNT implies the ability to control the selectivity towards SWNT by changing catalyst formulations and operating conditions, combined with a quantitative measurement of the SWNT obtained. In this contribution, a significant advancement towards the controlled production of SWNT is reported. A family of Fe-Ru catalysts has been found to be able to produce SWNT with high selectivity, depending on the -Ru ratio, the …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 8, Issue 2, 2018 · pp. 75–85 Read article
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Advancements in O-Glycosylation Techniques with Diverse Donor Molecules
Abstract: Since the early stages of carbohydrate chemistry, numerous researchers have employed alkynyl glycosyl donors as key reagents in glycosylation reactions. These donors have played a crucial role in facilitating the synthesis of glycosidic bonds, an essential aspect of carbohydrate-based compounds. Over time, various modifications and improvements have been introduced by different research groups to enhance the efficiency, selectivity, and sustainability of glycosylation processes. A major focus has been on designing …
Published in International Journal of Cheminformatics · Vol. 3, Issue 1, 2025 · pp. 7–28 Read article
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In-vitro assessment of plant growth promoting traits integrated with antagonistic activity of biosurfactant producing Bacillus species of oil contaminated soil
Abstract: Researchers are in search of microbial tools having plant growth promoting activity integrated to biosurfactant production potential to develop eco-friendly technique for sustainable agricultural. Presented study was undertaken to characterize the plant growth promoting activity of biosurfactant producing Bacillus species isolated from oil contaminated soil. Bacterial strains were identified as Bacillus licheniformis P1 and Bacillus velezensis P2, on the basis of morphological, biochemical and 16SrDNA gene sequence homology. Biosurfactant producing …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 12, Issue 3, 2022 · pp. 30–34 Read article
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Recent Advances in Crystalline Materials
Abstract: Crystalline materials are solids in which atoms, ions, or molecules are arranged in a highly ordered, repeating three-dimensional lattice. This well-defined structure gives rise to unique physical, chemical, electrical, optical, thermal, and mechanical properties, making crystalline materials essential for numerous scientific and industrial applications. Advances in materials science, crystal engineering, and nanotechnology have enabled precise control over crystal size, morphology, composition, and defect structures through innovative synthesis techniques. These developments …
Published in International Journal of Crystalline Materials · Vol. 3, Issue 2, 2026 · pp. 14–21 Read article
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Exploration of Diverse Epoxy-Based Surface Coating Methods for Enhancing Anticorrosion Characteristics
Abstract: Epoxy-based polymers, commonly referred to as polyepoxides, constitute one of the most versatile and widely adopted categories of polymeric materials due to their exceptional structural, mechanical, and chemical characteristics. Their unique macromolecular framework enables strong interfacial bonding, high mechanical stability, and superior resistance to environmental and chemical degradation, positioning them as advanced alternatives to many traditional organic corrosion inhibitors that often fail under prolonged exposure to aggressive conditions When polyepoxides …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 167–177 Read article
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Binary GA for Sidelobe Reduction and Null Steering in 5G Array
Abstract: This paper presents a comprehensive performance evaluation of a Binary Genetic Algorithm (BGA) for optimizing radiation characteristics of an active phased array antenna used in fifth-generation (5G) wireless communication systems. The primary objective is to achieve effective null steering while maintaining the desired main beam direction and simultaneously reducing the side lobe level (SLL). These improvements are essential for minimizing co-channel interference, enhancing spatial selectivity, and improving the Signal-to-Interference-plus-Noise Ratio …
Published in International Journal of Radio Frequency Innovations · Vol. 4, Issue 2, 2026 Read article