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680 articles for “Preparation method”
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Fabrication of Ultrathin Sodium Intercalated Graphene Films for Optoelectronics Applications
Abstract: Modulating optoelectronic properties of thin film is in great demand due to their high potential application in LED’s, flexible displays, transparent electrodes and solar cell. At current scenario researchers and scientists are trying to develop new types of material for preparation of highly transparent and conductive thin film for optoelectronic application. Graphene is a two dimensional (2D) material that having unique mechanical, electrical, thermal and optical properties. Many techniques have …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 20, Issue 3, 2018 · pp. 23–35 Read article
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Preliminary Study on the Production of Activated Carbon from Moringa Oleifera Seed Shells by Thermal Activation Method
Abstract: Activated carbon was prepared from Moringa oleifera seed shells by thermal activation method. The carbonization and activation temperatures were 500, 600 and 700°C respectively, at 13 min for each process after pre-carbonization for 25 min. The pH of the activated carbon produced were 9.55 at 500°C, 9.78 at 600°C and 9.97 at 700°C while the yield decreased with increase in temperature as follows: 30.40% at 500°C, 29.35% at 600°C and …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 6, Issue 1, 2015 · pp. 13–16 Read article
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Fast Dissolving Oral Thin Films: A Review
Abstract: Fast-dissolving oral thin films (FDOFs) represent a significant advancement in drug delivery technology, offering advantages over traditional solid dosage forms, especially for patients with swallowing difficulties. FDOFs dissolve rapidly in the mouth, releasing the active ingredient without the need for water or chewing. They have picked up ubiquity due to their comfort, taste veiling capabilities, and progressed persistent compliance. Ideal drugs for FDOFs should possess characteristics such as solubility, stability, …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 11, Issue 1, 2024 · pp. 24–31 Read article
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Dielectric Studies of 0.5Ba0.8Ca0.2TiO3.0.5CaCu3Ti4O12 Nanoceramic Fabricated by Chemo-mechanical Process
Abstract: The present investigation is aimed toward investigate a straightforward, inexpensive, and environmentally friendly chemo-mechanical method for preparing high-dielectric materials, specifically 0.5Ba0.8Ca0.2TiO3.0.5CaCu3Ti4O12 (BCT-CCTO), by combining metal nitrate combustion with solid TiO2 powder and titanium isopropoxide, Ti (OR)4. The composite was prepared by the mixing of individual materials of Ba0.8Ca0.2TiO3 and CaCu3Ti4O12 through the chemo-mechanical method. Initially, 99% pure Ba (NO3)3, Cu (NO3)2∙3H2O, TiO2 and glycine were taken in their stoichiometry ratios. …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 12–21 Read article
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Evidence for the Superior Quality and Efficacy of Dr. JRK’s 777 Oil
Abstract: The use of several oil preparations in ancient system of medicine such as, Ayurveda and Siddha for the treatment of various ailments are well known and the method of preparation of thailam do affect the acid value of the oils and make them harmful to the patients. The present paper reports the outstanding precaution and exemplary technological standardization adopted in the preparation of Dr. JRK’s 777 oil and how to …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 4, Issue 3, 2017 · pp. 19–21 Read article
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Improved Intestinal Absorption and Bioavailability Enhancement of Rosuvastatin Calcium via Proliposome Powder
Abstract: The main objective of the present study was to develop proliposomal formulations to enhance the oral bioavailability of rosuvastatin calcium by improving solubility, dissolution and/or intestinal permeability. Proliposomal powder formulations were prepared with drug varying the Phospholipon 90H and cholesterol ratio in the range of 1:0 to 1:1 using pearlitol SD200 as carrier by film deposition method. The prepared proliposomal powder was filled into capsules. The bioavailability enhancement of proliposomes …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 7, Issue 3, 2020 · pp. 23–40 Read article
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ASSESSMENT ON THE KNOWLEDGE, ATTITUDE AND PRACTICE OF SUBSTANCE USE AMONG PREPARATORY STUDENTS OF MEKELLE.
Abstract: Background: Substance abuse has been defined by Asuni et al. as 'excessive or inappropriate use of psycho-active substance by a person; such use being considered or judged to be illegal/immoral by the culture and resulting in harm to the person or society'. Globally, the UNODC estimates that between 155 and 250 million people, or 3.5% to 5.7% of the population aged 15–64 years, had used illicit substances at least once …
Published in Research and Reviews: A Journal of Medicine · Vol. 8, Issue 3, 2018 · pp. 6–26 Read article
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Monitoring Total Petroleum Hydrocarbon Degradation with Influence of Grape Leaf Application as Nutrient Stimulant in Soil
Abstract: The application of the grape leaf in the treatment of petroleum hydrocarbon degradation in soil environment in investigated and the findings outline with respect to the performance of the bio-stimulant available nutrients associated with. The research reveals increase in TPH degradation in each bioreactor sampled with the room and sun-dried bio-stimulant application in the system with increase in the period of contact time. The rates in which the TPH decreases …
Published in Emerging Trends in Chemical Engineering · Vol. 13, Issue 2, 2026 · pp. 22–31 Read article
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Size Dependent Fluorescence Decay Dynamics of MoS2 Nanoflakes
Abstract: This paper reports a profound method to prepare MoS2, and the effect of ultraviolet light irradiation on its emission characteristics. The exfoliation of molybdenum di-sulfide (MoS2) in a liquid phase has been achieved successfully via probe sonication for different time intervals followed by centrifugation method. Ultraviolet–visible (UV–vis) spectra of the obtained MoS2 dispersions at different exfoliation time indicate that the concentration of MoS2 nanosheets as well as MoS2 quantum dots …
Published in Journal of Polymer & Composites · Vol. 8, Issue 1, 2020 · pp. 71–76 Read article
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Design of Nanoparticle Drug Delivery System for NonSteroidal Anti Inflammatory Agents in the Treatment of Autoimmune Diseases
Abstract: Aim: The aim of the present study is to develop nanoparticle drug delivery system for naproxen and ibuprofen. Methodology: Ibuprofen nanoparticles were prepared by nanoprecipitation technique. Naproxen nanoparticles were prepared by desolvation technique. By adapting continuous addition method and intermittent addition, five formulations were prepared with each polymer. The obtained nanoparticles were evaluated for particle size, zeta potential, yield, drug content, entrapment efficiency and loading capacity. In vitro drug dissolution …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 23, Issue 1, 2021 · pp. 26–33 Read article
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A Comparative Study of Structure, Morphology and Optical Properties of CaAl2O4 Phosphors by Sol–Gel Method
Abstract: In this paper, monoclinic CaAl2O4 phosphor with different weight percentage of aluminium was synthesized by low temperature sol–gel method. The prepared samples were characterized by X-ray diffraction (XRD) analysis, Fourier transform infra red (FTIR), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS) and photoluminescence emission spectra (PL). The XRD analysis showed that CaAl2O4 have monoclinic structure. The average size of the particles lies between 88 and 109 nm. It was …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 5, Issue 3, 2015 · pp. 1–10 Read article
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Characterization of Nanofluids Using Experimental and Analytical Methods for Different Concentrations
Abstract: A fluid containing nanometer-sized nanoparticles is called nanofluid. These fluids are engineered colloidal suspensions of nanoparticles in a base fluid. Nanofluids are a new class of fluids engineered by dispersing nanometer-sized materials (nanoparticles, nanofibers, nanotubes, nanorods, nanosheet, or droplets) in base fluids. They are two-phase systems with one phase (solid phase) in another (liquid phase). For a two-phase system, there are some important issues we have to face. One of …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 19, Issue 3, 2017 · pp. 23–31 Read article
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Design and Implementation of an Automatic Tea Vending Machine Using Arduino Uno and Android-Based Customization System
Abstract: The Android app-based Automatic Tea Vending Machines are a clever and creative way to automate the tea-making process while providing consumers with a customized experience. The Arduino Uno microcontroller, which powers key functions like ingredient delivery, water heating, and customizable settings, is the foundation of this system. To ensure consistent and superior tea preparation, a kettle is used to heat water to the ideal temperature. Users may simply and remotely …
Published in Recent Trends in Electronics Communication Systems · Vol. 12, Issue 2, 2025 · pp. 1–7 Read article
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SnO2 Nanoparticles: Preparation, Characterization and Humidity Sensor Application
Abstract: The microwave-assisted synthesis method is used to prepare SnO2 nanoparticles for the application of humidity sensor, because of oxygen vacancy in the lattice. Microwave-assisted method is very simple, low cost and rapid heating method. Room temperature ionic liquids and tin source were used in the reaction as precursors. The obtained SnO2 nanoparticles were characterized by X-ray diffractometer, particle size analyser, Fourier transform infrared spectroscope, and thermo gravimetric-differential thermal analyser. The …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 6, Issue 2, 2016 · pp. 29–35 Read article
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Substitution of La3+ in Cu0.5Co0.5 LaxFe2-x O4 (x=0.02, 0.06) spinel ferrites improves the structural and dielectric Properties
Abstract: Nanosized Spinel ferrites with composition Cu0.5Co0.5 LaxFe2-x O4 (x=0.2, 0.6) synthesized by Sol-Gel auto Combustion method. The prepared sample was calcinated at 8000c for 4 hours. The substitution of La3+ effects the structural parameters, which is characterized by X-ray diffraction (XRD). The X-rd analysis shows that the crystallite size is 34.609 nm for 0.02 and 38.994 nm for 0.06 was calculated by using Debye-Scherrer’s formula. dislocation density shows at value …
Published in Journal of Materials & Metallurgical Engineering · Vol. 15, Issue 3, 2025 · pp. 45–48 Read article
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Hydrogel as a Drug Delivery System
Abstract: Hydrogels are hydrophilic three-dimensional, polymeric networks system. Hydrogel are hydrophilic system and capable of absorbing large amounts of aqueous solvent. It behaves like a semisolid system and generally follow non-Newtonian property. Hydrogel provide easy application, good spreadibility, non-grease, non-staining properly etc. Moreover, hydrogels can be converted to variety of forms apart depending upon the requirement including Newtonian and non-Newtonian slabs, microparticles, nanoparticles, topical gel, films etc. Hydrogels are commonly used …
Published in Trends in Drug Delivery · Vol. 10, Issue 3, 2023 · pp. 33–39 Read article
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Virtual Job Assistance
Abstract: In today’s competitive job market, interviews are a critical gateway to employment, but many candidates struggle with effective preparation. Traditional methods, such as mock interviews with friends or career counselors, often fail to provide detailed feedback or replicate real-world interview dynamics. The “AI-Powered Virtual Job Interview Simulator” addresses these challenges by leveraging advanced technologies, such as Natural Language Processing (NLP), to create a realistic and engaging environment for interview practice. …
Published in Journal of Mechatronics and Automation · Vol. 12, Issue 3, 2025 · pp. 1–11 Read article
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AQUASOMES: A Vesicular, Self-assembled Ceramic Nanoparticulate Drug Carrier
Abstract: Nano-biopharmaceutics involves delivery of biopharmaceutical product through different biomaterials like multi-functional nanoparticles, quantum dots, aquasomes, super-paramagnetic iron oxide crystals, and liposomes dendrimers. Aquasomes are considered as one of the most recently developed delivery systems for bioactive molecules like peptides, proteins, hormones, antigens and genes to specific sites. Aquasomes have a spherical shape and a particle size of 60–300 nm. These are three layered self-assembled nano-particulate carrier system. This three-layered structure …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 12, Issue 3, 2025 · pp. 1–14 Read article
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Optimizing Customer Care Centre Performance: A Data Analytics Approach
Abstract: Customer care centres are essential in today's competitive corporate environment for ensuring client loyalty and satisfaction. By utilizing data analytics approaches, one may gain important insights regarding performance overall, operational effectiveness, and customer interactions. Data analytics encompasses the analysing, interpretation, and extraction of valuable insights from data to aid decision-making and address intricate issues. Call centre analytics is the process of gathering and evaluating call data to assist companies in …
Published in Recent Trends in Programming languages · Vol. 11, Issue 1, 2024 · pp. 34–49 Read article
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Overview On Lauha Rasayana W.S.R. To Rasayogasagar
Abstract: Ayurved is the ancient science which addresses disorders with the natural pharmaceuticals, including those derived from animals, plants, minerals and metals. Rasashastra is a pharmaceutical branch of Ayurved medicine, which developed in mediaeval period and focuses on therapeutic use of metals and minerals. Treatment with using of this metals, minerals, gemstones, animal product and herbal ingredients is known as Rasachikitsa. The key objective of Rasachikitsa is to deliver high-quality, safe …
Published in Research & Reviews : Journal of Herbal Science · Vol. 13, Issue 1, 2024 · pp. 11–16 Read article