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475 articles for “Preparation”
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Review on Chalcone (Preparation ,Reactions, Medical and Bio Applications)
Abstract: This survey provides information on( methods of synthesis , reactions , applications in the medical and biological activities , its uses and its source as (whether natural or synthetic) . Chalcones are chemical compounds or natural molecules have a broad spectrum of bio- activities, which are of great interest in many fields. The chemistry of chalcones appeared information about its preparation methods as a starting material in many reactions like …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 1, 2019 · pp. 16–27 Read article
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REVIEW ON PREPARATION METHODS & APPLICATION FIELDS OF OXADIAZOLE
Abstract: This review displays oxadiazole (five-ring) that is of great importance in the fields of pharmacy, medicine, and field of coordinated chemistry and as reagents to estimate the small quantities of trace elements and minerals. Oxadiazole is a primary role and as a basic substance for many pharmacokinetic compounds such as antimalarial drugs, anti- bacterial, and cancerous tumors. This survey described several approach for preparation methods of oxadizole with their applications …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 6, Issue 1, 2020 · pp. 49–60 Read article
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Green Chemistry Approach for the Preparation of Silver Nanoparticles: A Review
Abstract: The word "nanoparticles" refers to particles within a size range of 10 and 100 nm. Nanotechnology is the topic that is growing the fastest because of its applications in science and technology to produce new at the nanoscale range. Silver is the metal of first preference among the various noble metals. The production of silver nanoparticles can be achieved by different methods such as: chemical method, biological method, green synthesis. …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 9, Issue 1, 2023 · pp. 30–39 Read article
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Preparation of Beta Lactam Compounds and Study of Thermodynamically Behavior
Abstract: Several Lactam derivatives have been prepared by condensation reaction of folic acid with (4-chloroacetophenone and 4-hydroxyacetophenone) in ethanol. Then the resultant compounds (1,2) react with another Schiff bases by reacting of 4- bromobenzaldehyde with an amino acid (Phenylalanine, Tryptophan, Tyrosine and Histidine) to give bis-β-lactam rings. The structures of target compounds were characterized by many spectroscopic methods including NMR, FTIR technique and their melting points. The β- lactam derivatives were …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 5, Issue 2, 2019 · pp. 9–15 Read article
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Review on Preparation and Applications of Formazan Compounds
Abstract: The objective of the survey designated in this study is to predict the redox-active feature of formazan derivatives. To realize this purpose, preparation processes and investigation approaches of the formazan derivatives are developed. The redox properties of formazan derivatives were identified via electrochemical approaches and the first samples of isolated and well-investigated formazan products are designated in this review. Formazan derivatives (as a dyes) are synthetic chromogenic yields of the …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 5, Issue 2, 2019 · pp. 23–33 Read article
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Preparation of Layout and Estimation of Sports Complex using Autodesk AutoCAD and Microsoft Excel Software: Review
Abstract: Sports, recreational activities are now widely accepted as fundamental elements of a good life. As sports being an important aspect of social life of human being, it brings in health and fitness followed by entertainment and social gatherings. In the process of development of infrastructure required for the betterment of sports in the society, the availability of sports complexes and sports ground becomes essential. A well designed infrastructure of a …
Published in International Journal of Structural Engineering and Analysis · Vol. 7, Issue 2, 2021 · pp. 19–25 Read article
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Preparation and Characterization of Nanosize SnO2 Nanopowders by Precipitation Method
Abstract: Nanocrystalline Tin oxide (SnO2) powders have been synthesized by a direct precipitation method from an aqueous solution in the presence of SnCl4 and NH3. The crystallite size, lattice parameters, dislocation density and number of unit cells in SnO2 nanocrystalline powder (as-prepared and heated) are characterized by X-ray diffraction (XRD). The results of XRD show that pure SnO2 nanocrystalline powder has tetragonal rutile structure; the broad peak indicates small crystallite size …
Published in International Journal of Applied Nanotechnology · Vol. 1, Issue 1-2, 2015 Read article
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Effect Of Capping Agents And Annealing On The Optical Properties Of (Cd0.8-Zn0.2)S And (Cd0.8-Zn0.2)S:Eu Films Prepared By CBD Technique
Abstract: Thin films of (Cd0.8-Zn0.2)S and (Cd0.8-Zn0.2)S:Eu are prepared by Chemical Bath Deposition (CBD) technique on glass substrates at 60ºC temperature by adding Mercaptoethanol and Methanol as capping agents(CA). The films were annealed at 400°C for two minutes and their optical properties were studied. The effect of the presence of capping agents and annealing was investigated. The optical constants such as refractive index, extinction coefficient, optical and electrical conductivity, real and …
Published in International Journal of Applied Nanotechnology · Vol. 2, Issue 1, 2016 · pp. 1–7 Read article
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A review on properties, stability mechanism, preparation method and application of Nanofluid
Abstract: Recent researches have showed that nanofluids are able to provide cooling system with higher heat transfer coefficient. This problem has been solved by the conversion of conventional fluids into nanofluids. A novel category of fluids with the mixture of nanoparticles (Size range of 1-100nm) in the host fluid is known as nanofluids. This paper focuses on the recent advancements in the study of nanofluids such as feature, limitation, various materials, …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 4, Issue 2, 2018 · pp. 31–40 Read article
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Study on Preparation and Properties of Agro-waste Particleboard at Various Press Temperatures
Abstract: This study concerns the influence of temperature on changes in physical and mechanical properties of particleboard fabricated from betel nut (Areca catechu L) fiber (Agro-waste) and urea-formaldehyde adhesive during hot-pressing with multiple press temperatures (120, 130, 140, 150 and 160°C) at 15 minutes. The physical and mechanical properties of particleboards were determined by British Standard (BS-1811) and Indian Standard (IS-3087) Methods. For some physical and mechanical properties, it appears that …
Published in International Journal of Composite and Constituent Materials · Vol. 7, Issue 1, 2021 · pp. 40–47 Read article
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A Descriptive Study to Assess the Knowledge and Prevention Regarding the Water Borne Diseases Among Mothers of Under Five Year Children to Prepare Health Education Module in Selected Hospital Dehradun, Uttarakhand
Abstract: This study was done to assess the knowledge of mothers regarding water borne diseases and its prevention among children under 5 years of age with a view to prepare health education pamphlet in a selected area of a hospital at Dehradun, Uttarakhand. The purpose of the study was to assess the mother’s knowledge so as to identify the deficit area regarding water borne diseases among children under five years of …
Published in International Journal of Immunological Nursing · Vol. 2, Issue 1, 2016 · pp. 9–29 Read article
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A Study to assess the Existing Knowledge Regarding Disaster Preparedness among Adults Residing at Haripur, Sangli District
Abstract: Disaster is a sudden calamitous event bringing great damage, loss and destruction and devastation to life and property. The damage caused by disaster varies with Geographical location, climate and a type of earth surface/degree of vulnerability. Disaster since beginning of time causing premature death impaired quality of life and altered health status. On excellent one disaster per week that requires international assistance. The recent dramatic increase in the natural disasters …
Published in International Journal of Nursing Critical Care · Vol. 1, Issue 1, 2015 · pp. 1–3 Read article
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Knowledge, Attitude and Practice of Registered Staff Nurses on Intramuscular Injection with A View to Prepare a Self-Instruction Module in a Selected Hospital of Pune City
Abstract: The study was aimed to assess the knowledge attitude and practice of staff nurses of administering intramuscular injection with a view to prepare and validate the self-instruction module (SIM) on sites and techniques of intramuscular injections. Research approach used was descriptive, exploratory survey approach. The study sample comprised of 100 samples, i.e. 34, and 66 samples from degree Aand diploma in nursing, respectively, through a stratified random sampling technique. Data …
Published in International Journal of Nursing Critical Care · Vol. 5, Issue 2, 2019 · pp. 30–36 Read article
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Mitigation Measures and Disaster Preparedness: Kapkese Landslides in Kokwet Sub-Location, Kericho County, Kenya
Abstract: Abstract: The Kapkese landslide disaster struck again in December 2015, precipitated by intense, prolonged heavy rainfall from El Niño rainstorms that devastated much of Kenya. Located in the remote Kokwet Location within Kipkelion West Constituency, Kenya, this rural village has endured recurrent geohazards, most notably a deadly May 2003 event that buried a homestead, resulting in the tragic loss of a mother and her three young daughters. These incidents have …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 12, Issue 1, 2026 Read article
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Preparation, Process, and Significance of-fertilizers
Abstract: The application of chemical fertilizers (such as calcium nitrate, urea, ammonium sulfate, diammonium phosphate, etc.) is crucial to the world's food production because it acts as a fast food for plants, accelerating their growth and efficiency. However, because of the excessive and unbalanced use of these synthetic inputs, negative effects are being observed. Beneficial microorganisms found in biofertilizers provide a sustainable substitute for chemical fertilizers, tackling the mounting worries about …
Published in International Journal of Green Chemistry · Vol. 10, Issue 1, 2024 · pp. 1–8 Read article
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Studies on Preparation of Tiles from Slag
Abstract: This article is the study of issued forms for advanced ceramics manufacture from proportioned waste slag from iron and steel manufacture. Huge slag disposal has linked waste landfill originated pollution and loss of flora and fauna in the area, henceforth subjected reuse/recycle slag for useful purposes. Tile/shaped piece is made of glass-ceramics, in which slag (partly amorphous) is added in proportion to reduce a huge load of usual raw material …
Published in International Journal of Chemical Engineering and Processing · Vol. 7, Issue 1, 2021 · pp. 25–35 Read article
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Preparation and Evaluation of Nano pore Faujasite Membranes
Abstract: Nano pore Faujasite zeolite membranes were synthesized by in-situ hydrothermal method on porous ceramic tubes. Hydrothermal crystallization was carried out under an autogenously pressure and at a static condition of 100 oC. Molar composition of the starting gel of Faujasite zeolite membranes were NaX: SiO2/Al2O3=10-27, Na2O/Al2O3=4-9, H2O/Al2O3=250; NaY: SiO2/Al2O3=2.5-4, Na2O/SiO2=1.08-2, H2O/Na2O=30-200. X-ray diffraction (XRD) patterns of the membranes exhibited peaks corresponding to the support and the zeolite. The crystal species …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 3, Issue 2, 2017 · pp. 15–24 Read article
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Zinc oxide/Chitosan biocompatible nanocomposites: Preparation, Characterization and its use in Congo red dye photodegradation
Abstract: Zinc oxide/chitosan biocompatible nanocomposites have been successfully synthesized by co-precipitation method. The samples were characterized by X-ray diffraction (XRD), Scanning electron microscope (SEM), Energy dispersive X ray Flurescence spectroscopy (EDAX) and Fourier transformation infrared spectroscopy (FTIR). The photocatalytic efficiency and photostability of the sample was investigated systematically for Congo red degradation under solar light irradiation. UV-vis Spectroscopy was employed to investigate the optical properties and photocatalysis behavior of the Zinc …
Published in International Journal of Applied Nanotechnology · Vol. 3, Issue 2, 2017 · pp. 27–39 Read article
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Preparation of Cu2O/ZnO Heterojunction Thin Film Solar Cell grown by RF Magnetron Sputtering
Abstract: Both cuprous oxide (Cu2O) and zinc oxide (ZnO) hold a very important position in the fields of materials science due to great potential in many acoustic, electric and optical applications. Cu2O, a direct-gap semiconductor with band gap energy of 2.0 eV has been regarded as one of the most promising materials for application to photovoltaic cells, especially for the top cell in a tandem structure. The attractiveness of Cu2O and …
Published in International Journal of Energetic Materials · Vol. 1, Issue 1, 2015 · pp. 27–30 Read article
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Gold Nanoparticles and its Preparation
Abstract: Among the colorimetric detection tactics, metallic nanoparticle based detection is gaining more attention due to quickness and less resource requirement at the point of use. Unique chemical inertness, shape, size and optical attributes of gold nanoparticles (GNPs) make them ideal for various diagnostic tools. In this approach synthesized GNPs were tabilized by citrate counter ions. These GNPs were characterized for their optical properties, shape, size, zeta potential, and dynamic light …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 2, Issue 1, 2016 · pp. 31–34 Read article