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786 articles for “Reaction”
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Non-destructive Application of Tracer Isotopes to Study the Kinetics of Iodide and Bromide Ion-isotopic Exchange Reactions in Anion Exchange Resins Indion-103 and Duolite A-611
Abstract: The present study is concerned with non-destructive application of radio-analytical technique for characterization of industrial grade ion exchange resins Indion-103 and Duolite A-611. The radioactive tracer isotopes 131I and 82Br were used to trace the kinetics of iodide and bromide ion-isotopic exchange reactions taking place in the two resins. It was observed that during bromide and iodide ion-isotopic exchange reactions, under identical experimental conditions of temperature remaining constant at 40 …
Published in Journal of Nuclear Engineering & Technology · Vol. 3, Issue 2, 2013 · pp. 14–24 Read article
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Influence of Catalyst Type and Reaction Conditions on Biodiesel Conversion of Pine and Soapnut Oils
Abstract: Biodiesel produced from non-edible oils is becoming an important replacement for petroleum diesel because it is renewable, environmentally friendly, and suitable for use in existing diesel engines. It helps reduce air pollution, lowers dependence on fossil fuels, and supports sustainable energy development. Pine oil and soapnut oil are two promising non-edible feedstocks because they are easy to obtain, inexpensive, and contain chemical compounds that can be effectively converted into biodiesel. …
Published in Journal of Automobile Engineering and Applications · Vol. 12, Issue 3, 2025 · pp. 39–48 Read article
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Activation Energy in Photochemical and Thermally Driven Reactions: Mechanistic Insights, Kinetic Modelling and Photocatalytic Applications
Abstract: Chemical reactions constitute fundamental processes in which reactants are transformed into products through the breaking and formation of chemical bonds. In photochemical systems, these transformations are initiated or influenced by the absorption of light, making energy transfer mechanisms particularly significant. A key parameter governing reaction kinetics is activation energy, defined as the minimum energy required for reactant molecules to undergo a successful transformation. This article focuses on the role of …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 4, Issue 1, 2026 · pp. 21–26 Read article
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Comparative Study of Reaction Time in the Individuals of Bilious and Phlegmatic Temperament
Abstract: Background and Objective: Temperament (mizaj) is a wide term in itself which encompasses all distinctive traits of an individual. Accordingly, every individual having a distinctive temperament should also possess distinctive characters as well. The objective of this study is to compare the reaction time of bilious (safrawi) and phlegmatic (balghami) temperament individuals. Methodology: This study was carried out in the Advance Instrumentation Lab, Department of Kulliyat, Ajmal Khan Tibbiya College, …
Published in Research & Reviews : A Journal of Unani, Siddha and Homeopathy · Vol. 5, Issue 2, 2018 · pp. 7–14 Read article
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Using Machine Learning to Guess Photochemical Reaction Pathways
Abstract: Photochemical reactions are crucial to many activities in the fields of energy conversion, environmental cleanup, and synthetic chemistry. However, predicting their causes and results effectively is still very hard since they entail excited electronic states, nonadiabatic transitions, and complicated potential energy surfaces. Machine learning (ML) has been a powerful technique to go along with classic quantum chemistry methods in the last few years. It offers better prediction capability and lower …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 3, Issue 2, 2025 · pp. 01–12 Read article
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Catalytic Trends of OsO4 for the Taurine-Bromamine-T Redox System: Kinetic and Mechanistic Chemistry of Catalyzed and Uncatalyzed Reactions
Abstract: Taurine (2-ethane aminosulfonic acid) facilitates as a building block for protein synthesis, also possessing various other vital biological functions. Literature survey revealed that there was no report available on the oxidation of taurine with any oxidants from its kinetic, mechanistic and catalytic aspects. A detailed comparative mechanistic study of its Os(VIII) catalyzed and uncatalyzed oxidation kinetics by bromamine-T (BAT) in NaOH medium at 313 K revealed the rate law to …
Published in Journal of Catalyst & Catalysis · Vol. 4, Issue 3, 2017 · pp. 5–19 Read article
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Tracer Application in Study of Reaction Kinetics using Duolite ARA-9366B and Duolite A-638
Abstract: Radiotracer isotopes 131I and 82Br were used to study the iodide and bromide ion-isotopic exchange reactions taking place in two anion exchange resins Duolite ARA-9366B (nuclear grade) and Duolite A-638 (non-nuclear grade) under different operational parameters like temperature and ionic concentration of exchanging medium. The results of present investigation indicate an existence of strong positive linear co-relationship between amount of ions exchanged and concentration of ionic solution; while existence of …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 5, Issue 1, 2014 · pp. 34–44 Read article
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SCIENTISTS REINVENT LOW ENERGY NUCLEAR REACTION (LENR)/COLD FUSION
Abstract: Two of the researchers of The University of Utah, USA in 1989 named Dr. Martin Fleishmann and Stanley Pons declared that they had discovered a sustained nuclear fusion reaction at room temperature during electrolysis experiment that could solve the problem of energy requirement on this planet. The cold fusion reaction, also called low energy nuclear reaction (LENR) takes place at room temperature, unlike conventional fusion reaction where temperature required is …
Published in Trends in Mechanical Engineering & Technology · Vol. 14, Issue 3, 2024 Read article
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Diaminoglyoxime Palladium (II) Chloride As An Efficient Catalyst for the Suzuki-Miyaura Cross-Coupling Reaction under Aerobic Conditions in H2O/EtOH Solution
Abstract: The preparation of diaminoglyoxime palladium (II) chloride (PdCl2/DAG complex) and the use of this catalytic system in Suzuki-Miyaura cross-coupling reactions under aerobic and phosphine-free conditions in aqueous solutions is studied. Aryl halides, coupled with phenylboronic acids smoothly afford the corresponding cross-coupling products with excellent yields (80–98%). The catalytic system showed excellent performance for the Suzuki-Miyaura cross-coupling reaction of less reactive aryl chlorides with aryl boronic acids. The reaction conditions have …
Published in Journal of Catalyst & Catalysis · Vol. 1, Issue 2, 2014 · pp. 35–43 Read article
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Adverse Drug Reaction Associated with Vitamins: An Analysis of Spontaneous Reports from Pharmacovigilance Programme of India Database
Abstract: The objective of this study was to describe adverse events with the use vitamins and to identify risk factors. A retrospective study was carried out from the spontaneous adverse drug reaction (ADR) reports for the period April 2011 to March 2013 by National Coordination Centre, Pharmacovigilance Programme of India (PvPI). 29 reports of vitamins were received by NCC-PvPI, which comprised approximately 0.064% of the total 45,297 reports received at NCC-PvPI. …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 5, Issue 3, 2015 · pp. 12–18 Read article
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Kinetics of Ion-Isotopic Exchange Reactions using Nuclear Grade Resins Purolite NRW-4000 and Purolite NRW-60
Abstract: AbstractThe paper deals with an application of nondestructive radio isotopic tracer technique in performance evaluation of two nuclear grade anion exchange resins Purolite NRW-4000 and Purolite NRW-6000. The technique was used to study the kinetics of bromide and iodide ion-isotopic exchange reactions taking place between the external ionic solution and the resin surface for which 131I and 82Br were used as tracer isotopes. It was observe that at a constant …
Published in Journal of Nuclear Engineering & Technology · Vol. 4, Issue 1, 2014 · pp. 1–12 Read article
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Prevalence of Adverse Drug Reactions and Risk Factors Associated with first Line Anti- Tuberculosis Drugs
Abstract: Background: The recommended first line treatment of active tuberculosis (TB) consists of rifampicin (R), isoniazid (H), ethambutol (E) and pyrazinamide (Z). The regimen is highly effective in treating active TB however it is associated with various adverse drug reactions (ADRs) posing undeniable challenges to therapy success. Objectives: To determine the prevalence of ADRs and risk factors associated with first-line anti-tuberculosis medications. Methods: A quantitative cross-sectional descriptive study conducted at the …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 12, Issue 2, 2022 · pp. 9–16 Read article
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A Case Report on Ceftriaxone Induced Immediate Allergic Reaction
Abstract: The most common classes of drugs causing hypersensitivity reaction are antibiotics especially β-lactam antibiotic: cephalosporin’s and penicillin’s. Ceftriaxone, a third generation cephalosporin is used for variety of infections. This drug is associated with rare as well as mild side-effects such as urticaria, skin rash, diarrhea, vomiting, transient neutropenia, and hemolytic anaemia etc. We hereby try to present an adversary case report of a 19 years old male patient in which …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 10, Issue 2, 2020 · pp. 33–35 Read article
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Modeling of MHD Hybrid Nanofluid Flow with Radiation and Chemical Reaction Effects for Advanced Composite and Energy Applications
Abstract: Hybrid nanofluids reinforced with polymer-based matrices and nanoparticles have emerged as promising working fluids for advanced composite processing and thermal management systems. Their superior thermo-physical properties enable efficient cooling and energy transport, making them suitable for applications in polymer extrusion, composite curing, thermal insulation coatings, solar energy devices, electronic packaging, and nuclear system cooling. In this study, we investigate the heat and mass transfer behavior of magnetohydrodynamic (MHD) hybrid nanofluid …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 648–660 Read article
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Adverse Drug Reactions: A Global Health Challenge
Abstract: Adverse drug reaction (ADR) is an unfavorable event with a causal connection to the medication. It is an undesirable event occurred by a pharmacological substance. They are a major cause of Mortality all over, they are classified into augmented, chronic, bizarre, Delayed based on the severity of the damage they caused The primary causes of adverse drug reactions (ADRs) are drug overdose, drug– drug interactions, genetic variations, and individual characteristics …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 16, Issue 2, 2026 · pp. 01–06 Read article
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Consumer Misuse of Cosmeceuticals and Its Role in Adverse Skin Reactions
Abstract: Cosmeceuticals represent a rapidly expanding category of products positioned between cosmetics and pharmaceuticals, offering both aesthetic and therapeutic benefits. However, their widespread availability, aggressive marketing, and perception as inherently safe have contributed to increasing instances of consumer misuse. Misuse includes over-application, inappropriate combinations, prolonged unsupervised use, and use of high-potency active ingredients without dermatological guidance. Such practices have been strongly associated with a broad spectrum of adverse cutaneous reactions ranging …
Published in International Journal of Toxins and Toxics · Vol. 3, Issue 2, 2026 · pp. 1–16 Read article
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Framework-Based Optimization of Catalysis Efficiency through Reaction Pathway Engineering
Abstract: The rational design of heterogeneous catalysts through framework-based approaches has emerged as a transformative strategy for controlling reaction pathways and enhancing catalytic efficiency. This paper examines recent advances in the optimization of catalytic performance through engineered frameworks, including metal-organic frameworks (MOFs), zeolites, and related porous materials. By integrating computational methods with experimental validation, researchers have achieved unprecedented control overactive site architecture, reactant confinement, and elementary reaction steps. This work reviews …
Published in Emerging Trends in Chemical Engineering · Vol. 13, Issue 2, 2026 · pp. 88–99 Read article
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Adverse Drug Reactions and Pharmacovigilance of Herbal Medicines in India
Abstract: The use of ayurvedic medicines is popular in India and in recent times has become accepted in other countries. Associated with this increasing use, are growing concerns about the safety of ayurvedic medicines. This paper discusses in brief the ayurvedic concepts of adverse reactions to medicines, the need for pharmacovigilance of ayurvedic medicines, challenges in introducing pharmacovigilance in ayurveda and some recommendations to successfully implement these activities. Pharmacovigilance is the …
Published in Journal of AYUSH: Ayurveda, Yoga, Unani, Siddha and Homeopathy · Vol. 5, Issue 1, 2016 · pp. 10–13 Read article
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Visual Reaction Time and Its Relationship with Sex, Age, and BMI in Northern Indian Children’s
Abstract: Reaction time is a measure of how quickly an organism can respond to a particular stimulus. Reaction time has been widely studied, as its practical implications may be of great consequence. The present study is undertaken keeping in view the conflicting reports about the visual reaction time with respect to different color perception and reaction time in normal children and young adults (6–21 years). In this study, we try to …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 3, Issue 2, 2014 · pp. 11–16 Read article
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A PROSPECTIVE STUDY ON HEMOVIGILANCE AND BLOOD TRANSFUSION SAFETY PRACTICES – IMPACT OF CLINICAL PHARMACIST.
Abstract: AIM & BACKGROUND:Blood Transfusions are lifesaving intervention but are associated withpotential to cause adverse events. The present study is conducted to track ATR’s patterns associated withblood and blood products and generate evidence-based recommendations and to promote optimal bloodusage.METHODS & MATERIALS: The present study is a prospective, observational and interventional studyconducted over a period of 10 months at ESI hospital, Indiranagar. About 90 patients undergoingtransfusions were selected for the study. Forms, …
Published in Trends in Drug Delivery · Vol. 9, Issue 3, 2022 · pp. 19–29 Read article