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84 articles for “order of kinetics”
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A Parametric Study of Methylene Blue Adsorption Using Low-cost Adsorbent
Abstract: This research focused on the adsorptive capacity of activated carbonaceous substance made from the peel of Spanish cherries to remove methylene blue dye from wastewater. Through batch adsorption tests, the impact of several variables on the percentage of dye removal was examined. These variables included adsorbent preparation temperature, adsorbent dosages, initial concentration of dye solution, process time, pH of dye solution, and operation temperature. It was found that using 1 …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 10, Issue 3, 2023 · pp. 10–16 Read article
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Use of Molybdenum Doped Titanium Dioxide as Nanophotocatalyst in the Degradation of Methylene Blue under Visible Light
Abstract: The Earth is facing environmental pollution in its different facets, out of which water pollution is a major problem. Photocatalysis, which is an important part of advanced oxidation processes, is such a technology, which will be beneficial for waste water treatment due to its green chemical nature. In the present work, the photocatalytic degradation of methylene blue (MB) was carried in the presence of molybdenum doped titania nanophotocatalyst and progress …
Published in Journal of Water Pollution & Purification Research · Vol. 2, Issue 2, 2015 · pp. 23–28 Read article
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Synthesis, Structural Characterization and Biological Studies of Schiff Base Complexes Bearing Indole Moiety
Abstract: Schiff base complexes of N2O2 type derived from indole-3-carboxaldehyde(ind) and amino acids such as glycine(gly), L-valine(val), and L-tryptophan(try) with Cu(II), Ni(II), Zn(II), Co(II) and Mn(II) were synthesized and characterized by physical and analytical techniques. The complexes are of non-electrolytic nature having 1:2 (metal:ligand) ratio. The geometry of the complexes was predicted with the combined data obtained from electronic spectral and magnetic susceptibility measurements. The mode of coordination of the Schiff …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 4, Issue 1, 2013 · pp. 31–42 Read article
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Formulation and Evaluation of Verapamil Solid Dispersion Tablets for Solubility Enhancement
Abstract: This study was mainly designed to solve the drawbacks of conventional verapamil solid dosage form, low bioavailability and limited clinical efficacy, by preparing solid dispersion. Verapamil solid dispersion was developed by kneading method, melt solvent method and co-precipitation method to modify the release and enhance solubility of the drug. The physical state of the dispersed verapamil in the polymer matrix was characterized by differential scanning calorimetry, powder X-ray diffraction, scanning …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 7, Issue 1, 2016 · pp. 39–54 Read article
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Synthesis, Characterization and Photocatalytic Activity of Bismuth Doped Titanium Dioxide under Different Light Sources
Abstract: 800x600 Photocatalysis is a recognized approach where light energy is employed to excite the semiconductor material and produce electron-hole pairs. These electron-hole pairs eventually involves in the detoxification of pollutants (in air or water) & water splitting. TiO2 photocatalyst shows poor activity in visible light due to its wide band gap (3.2 eV), which restricts its use under Sun light. In the present work, photocatalytic activity of TiO2 was enhanced …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 4, Issue 3, 2014 · pp. 23–31 Read article
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Effect of Polymer Crosslinking on Drug Release Kinetics
Abstract: In order to improve treatment effectiveness and minimise adverse effects, polymer-based drug delivery systems are often used to produce regulated and sustained drug release. Polymer crosslinking, which alters the structural, mechanical, and degrading characteristics of the polymer matrix, is one of the key elements affecting drug release kinetics. The porosity, swelling behaviour, and rate of degradation of the polymer are all impacted by the crosslinking process, which may be accomplished …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 636–647 Read article
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In-Vitro Evaluation of Extended Release Atorvastatin Tablets by using Natural Gums
Abstract: The present research is the formulation of extended-release tablets Atorvastatin is used as a hypoglycemic agent; it is HMG CoA Reductase inhibitor. All the formulation were prepared with using different grades of xanthan gum, guar gum, sodium alginate, then all the formulations were subjected to pre-compression and post-compression parameters such as angle of repose, bulk density, tapped density, Carr’s index, Hausner's ratio, weight variation, thickness, hardness, friability and drug content. …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 6, Issue 2, 2019 · pp. 55–62 Read article
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Optimizing the removal of Chromium from aqueous solution by adsorption using sugarcane bagasse
Abstract: In Ethiopian tannery and textile industries, chromium concentration before treatment ranges from 1000 ppm to 5000 ppm. From this concentration about 95 % of chromium exists in the form of Cr (III), which was toxic when its concentration exceeded 5 ppm and oxidized in to Cr (VI). This chromium was disposed to environment with effluent in the form of chromium III and chromium VI was highly toxic to humans, animals …
Published in Journal of Water Pollution & Purification Research · Vol. 6, Issue 2, 2019 · pp. 22–36 Read article
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Evaluation of the Formation, Concentration, and Mitigation of Heterocyclic Amines in Selected Nigerian Proteinaceous Delicacies
Abstract: This study characterised the kinetics and concentration profiles of six HCA congeners — 2-Amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP), 2-Amino-3,8-dimethylimidazo[4,5-f]quinoxaline (MeIQx), 2-Amino-3,4,8-trimethylimidazo[4,5-f]quinoxaline (DiMeIQx), 2-Amino-3-methylimidazo[4,5-f]quinoline (IQ), 1-Methyl-9H-pyrido[3,4-b]indole (harman), and 9H-pyrido[3,4-b]indole (norharman) — in six Nigerian food preparations (grilling of popular delicacies — including suya, kilishi, asun, and smoked catfish (eja aro)) using validated liquid chromatography–tandem mass spectrometry (LC-MS/MS) under three cooking modalities (charcoal grilling, pan-frying, oven-roasting). The inhibitory potential of five natural marinade formulations — …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 15, Issue 2, 2026 · pp. 1–11 Read article
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Study on the Variations in Physicochemical Property Concentration in a Contaminated Fresh and Salt Water
Abstract: In this research, the dispersion of crude oil contaminated was subjected into laboratory observations and results were recorded. These results were used to develop and adopt mathematical models for a proper engineering experimental practice. 1.5m3 volumes of fresh water and salt water were filled in two tanks of equal fit at the same intervals along the tanks and depth, where samples were collected for the purpose of analysis of physicochemical …
Published in International Journal of Pollution: Prevention & Control · Vol. 1, Issue 2, 2023 · pp. 1–9 Read article
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The Positive Significance of Cymbopogon citratus (Lemon Grass) in Remediation of Crude Oil in the Environment of Soil
Abstract: The effectiveness of using lemon grass in the remediation of soil contaminated by crude oil was investigated. The material investigated is lemon grass and the potential in terms of performance was monitored with biokinetic parameters evaluation. Six samples of 1000g of soil each were polluted with 100 ml of raw crude oil. The samples were later amended with dosage of 20g, 40g, 60g, 80g and 100g of dried lemon grass …
Published in Emerging Trends in Chemical Engineering · Vol. 10, Issue 3, 2023 · pp. 13–26 Read article
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Evaluation of the Effects of Total Suspended Solid and Total Hardness in Crude Oil Contaminated Water Environment
Abstract: The actions and effects of a few selected physiochemical traits present in a contaminated water environment were examined in this study attempt using experimental methods and mathematical expressions. Throughout the course of 84 days at 14-day intervals, six control valves were established at equal intervals down the depth of the tanks to collect samples for study of physicochemical characteristics, total bacterial counts (TBC), and total petroleum hydrocarbon (TPH) content. The …
Published in Journal of Petroleum Engineering & Technology · Vol. 13, Issue 2, 2023 · pp. 35–46 Read article
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AI-integrated Responsive Polymer Composites for Controlled Drug Delivery
Abstract: In the current biomedical engineering, it has been established that the development of smart drug delivery systems has become a paramount of relevance especially in ensuring precise, controlled and targeted therapeutic effects. This paper proposes a responsive polymer composite architecture with built-in AI, which is used to deliver drugs in a controlled manner and involves the development of advanced material design and predictive modeling based on data. Biocompatible materials and …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
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Studies on Removal of Coomassie Brilliant Blue R250(CBB) dye Usingligninas Adsorbent
Abstract: Coomassie brilliant blue R-250 (CBB), an organic dye present in wastewater effluent, affects environment by reducing the photosynthetic activity in aquatic ecosystems. CBB must be eliminated from effluent as a result. In the present study, lignin was utilized as a low-cost bio adsorbent for the removal of CBB dye employing an adsorption technique in order to minimize pollution caused by CBB dye. By studying the effect of several parameters includes …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 9, Issue 3, 2022 · pp. 9–19 Read article
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Catalyst, Mixed Catalyst and Additive Effects on the Oscillatory Behaviour of Pyrogallol based Chemical Oscillator
Abstract: The present work is aimed to investigate the effect of the metal ions used as single as well as mixed catalysts and Mo(VI) ion as additive on the oscillatory behaviour of the reaction system comprising of pyrogallol (1,2,3-trihydroxybenzene) as organic substrate and inorganic bromate as oxidant in aqueous sulphuric acid medium (1.5 mol Lï€1). The reactions were monitored both spectrophotometrically and potentiometrically. From kinetic study, the order of reactivity of …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 5, Issue 2, 2014 · pp. 11–19 Read article
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Formulation and Evaluation of Diltiazem Hydrochloride Sustained Release Matrix Tablets
Abstract: Tablets are the most popular and versatile formulations with wide acceptance when compared to other dosage forms due to ease of administration, storage and transport. Diltiazem HCl is a calcium channel blocker widely used for its peripheral and vasodilator properties in the treatment of hypertension and angina. The objective of the present study is to prepare and characterize novel sustained release tablets of freely water soluble drug Diltiazem HCl using …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 6, Issue 2, 2015 · pp. 17–27 Read article
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Comparative Study of Biodegradation of Hydrocarbons in Soils under Nipa Palm (Nypa fruticans Wurmb) Treatment
Abstract: This study evaluated the potential of Nipa palm (Nypa fruticans) powder as an alternative amendment for remediation of crude oil polluted loamy and sandy soils. Further, the study investigated the bioremediation process using the first-order degradation rate and quadratic models. From the analysis, there were changes in the physicochemical properties of the soils under the Nipa palm powder amendment during the remediation. Also, TPH reduction in the amended soil samples …
Published in Research & Reviews : Journal of Ecology · Vol. 9, Issue 3, 2020 · pp. 20–32 Read article
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Formulation Development, Characterization and in-vitro Evaluation of Nano-Lipid Carriers of Ropinirole HCl for Persistent Parkinsonian Management
Abstract: According to a report of World Health Organization (WHO) 2014, Parkinson's Disease (PD) is the second-most neurodegenerative dysfunction of the central nervous system (CNS) of human being effecting 7–10 million people worldwide. It is primarily due to the death of dopamine-generating cells in the substantia-nigra of midbrain. It is symptomatized by tremor, rigidity, bradykinesia, dementia, depression and falls or emerges with the progression of the disease. Ropinirole HCl is a …
Published in Trends in Drug Delivery · Vol. 6, Issue 1, 2019 · pp. 14–23 Read article
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Removal of AB 10B from Water by Copper Oxide Nano- Particles through Adsorption: A Kinetics and Thermodynamic Study
Abstract: Copper oxide nanoparticle was synthesized by a simple method. Consequently, adsorbent was characterized by using FTIR, XRD, and SEM techniques. The study of optimized parameter contains pH, initial dye concentration, adsorbent dose and contact time. Langmuir, Freundlich and Tempkin models were pragmatic for evaluating adsorption equilibrium data of AB 10B as the adsorbent but experiment show the Langmuir model is best for it. The adsorption kinetic model study was done …
Published in Journal of Catalyst & Catalysis · Vol. 4, Issue 3, 2017 · pp. 37–48 Read article
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Design and Development of Pedalled Powered Electricity Generation
Abstract: Pedal power energy harvesting transforms the mechanical energy produced by pedalling into electrical energy, which can be used to operate devices or saved for future use. The strategy utilizes the physical exertion of pedalling to generate a reliable and eco-friendly energy source. This project aims to develop, construct, and demonstrate a functional mechanism. The generator utilizes the motion of pedalling a regular bicycle to generate electricity. The main goal of …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 16, Issue 1, 2025 · pp. 30–36 Read article