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1094 articles for “bio”
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SYNTHESIS AND IR-SPECTROSCOPIC STUDY OF MIXED LIGAND COMPLEX COMPOUNDS OF COPPER (II) FORMAT WITH SOME AMIDES
Abstract: Complex compounds of metals with amides, having biological activity are widely used in agriculture. Complex compounds of copper with organic ligands are physiologically active, participating in the vital processes of living organisms; the formiats have bactericidal and fungicidal properties. For the first time, mixed ligand complex compounds of copper (II) formate with formamide, thiocarbamide, acetamide and carbamide in an aqueous solution were synthesized. Using the methods of IR spectroscopy and …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 6, Issue 2, 2020 · pp. 31–38 Read article
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Fluorescence Detection Measurement of Quinine Sulphate Concentration
Abstract: For investigative study and analytical scientific applications, fluorescence spectroscopy analysis is a fantastic instrument. In additional to mineralogy, fluorescent labelling, sensors, and forensics applications, it is often utilised in biological, chemical, pharmaceutical, and medicinal applications. Additionally, it is employed for environmental monitoring, laser-induced chlorophyll fluorescence for agricultural yield evaluations, and the detection of proteins, organic substances, oils, and dyes. Quinine sulphate at a concentration of 10-5 M in 1 M …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 8, Issue 1, 2022 · pp. 25–29 Read article
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Synthesis of Nanoparticles from Plant Extract
Abstract: Green nanoparticle manufacturing has several applications in the environmental and medical fields. Green synthesis, in particular, aims to decrease the usage of harmful chemicals. The use of biological components like plants, for example, is generally thought to be safe. Plants also contain reducing and capping agents. This chapter covers the fundamentals of green chemistry as well as a review of plant-mediated nanoparticle synthesis and current applications. Nanoparticles include gold, silver, …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 9, Issue 2, 2023 · pp. 1–9 Read article
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Antiaging Effect of BSF-Cream on the Skin of Human Being
Abstract: The most innovative and promising areas of aging treatment are primarily found in dermatology, cosmetics, and biological applications. Numerous changes that accompany the aging process of the skin are caused by a confluence of exogenous (toxins, chemicals, pollutants, and UV radiation) and endogenous (gene mutation, cellular metabolism, and hormonal variables). Decline the efficiencies of the body and metabolic activities soon after reaching the stage of maturity are associated with the …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 9, Issue 2, 2023 · pp. 21–31 Read article
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Sustainable Energy: Types and Utility
Abstract: Sustainable energy comprises of all the energy sources that meets the human demands without being worried about the future prospects. In other words, sustainable energy can be used in plenty over and over again without worrying about it to get depleted. All kind of renewable energy sources such as solar, wind, hydropower, geothermal, ocean and biomass energy are examples of sustainable energy [1,2]. These energy sources have the advantage that …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 2, Issue 2, 2016 · pp. 30–31 Read article
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Solar Power – A Renewable Energy and Alternate Energy Sources
Abstract: Renewable energy is sustainable as it is obtained from sources that are inexhaustible (unlike fossil fuels). Renewable energy sources include wind, solar, biomass, geothermal and hydro, all of which occur naturally. Renewable energy, generally speaking, is clean energy and non-polluting. Many forms do not emit any greenhouse gases or toxic waste in the process of producing electricity. It is a sustainable energy source that can be relied on for the …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 3, Issue 2, 2017 · pp. 8–14 Read article
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Passive Capillary Flow of Dyed Aqueous Ethanol in the Leakage-Free PMMA Microchannel
Abstract: A single polymethylmethacrylate (PMMA) microfluidic device is fabricated by the maskless lithography, hot embossing lithography and direct bonding technique. This device is tested by dyed aqueous ethanol (10% ethanol, 90% dyed water) in leakage-free condition. The passive capillary flow of dyed aqueous ethanol is recorded by a CMOS camera catching 25 frames per second. This work will be useful in commercial bioengineering applications. Keywords: Passive capillary flow, PMMA, Aqueous ethanol, …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 4, Issue 1, 2018 · pp. 12–14 Read article
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An overview of current activities in commercial deployment of hydrogen energy projects around the world
Abstract: Hydrogen energy systems have been proposed as one of the major components of a decarbonized, clean and sustainable energy system of the future, which will also include renewables, nuclear energy and biomass energy forms. Hydrogen production, storage, distribution and re-conversion technologies are essential components of this value chain. This study looks at some commercial level technologies available and projects deployed round the world for ushering in hydrogen energy systems on …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 6, Issue 2, 2020 · pp. 16–25 Read article
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Energy resources of Pakistan, Issues and crisis
Abstract: Planet has no fair distribution of energy sources. The energy sector needs to undergo a transition from fossil fuel to renewable energies and energy efficient technology to tackle global challenges.Continued economic and human growth depends on oil. In today’s existence, energy is so important that one can't even existence without it. All our acts are energy dependent. Electricity makes a big contribution to the socioeconomic progress and the nation’s national …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 6, Issue 2, 2020 · pp. 26–42 Read article
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Thermodynamic Techniques in Food Chemistry – A Review
Abstract: The thermal activities of food strongly depend on its composition. The aims of food processing are to inactivate spoilage and pathogenic microorganisms and to sustain this condition in storage. Using calorimetric techniques, many physicochemical effects can be detected in the temperature range between -50°C and 300°C. Biophysical techniques viz., isothermal titration (ITC) and Differential Scanning Calorimetry (DSC) are used to characterize the structure and properties of food materials before and …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 3, Issue 2, 2017 · pp. 1–6 Read article
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Review of Reactive Extraction Process for Recovery of Pyruvic Acid
Abstract: Pyruvic acid having a molecular formula (C3H4O3) is an important alpha-keto-carboxylic acid. It is mainly manufactured by biotechnological routes or chemical synthesis. There are number of applications of pyruvic acid in the industrial sector such as chemical, food, cosmetic and agriculture sector. The main problem for the production of pyruvic acid from the fermentation broth is downstream processing. The number of techniques developed to recover this acid from their aqueous …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 4, Issue 2, 2018 · pp. 1–7 Read article
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Surface-Driven Capillary Flow of Dyed Ethanol in a Single SU-8 based Microchannel Bend Fabricated on Glass
Abstract: In this experimental work, a single SU-8 based microchannel bend is fabricated on glass by maskless lithography and indirect bonding technique. Dyed ethanol is prepared as working liquid by mixing commercially available food dye with ethanol. Surface-driven capillary flow of dyed ethanol in streamline motion is recorded by a CMOS camera catching 25 frames per second with a corresponding time-scale resolution of 0.04 second. Effect of centrifugal force on surface-driven …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 6, Issue 1, 2020 · pp. 29–34 Read article
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Thermodynamic Explanation on Surface-Driven Capillary Flow of Working Liquids in the Microfluidic Devices Fabricated by Polymers
Abstract: In this experimental work, total 100 individual microfluidic devices are fabricated by polymers using author’s own hands-on completely. A set of straight microchannels, gradual expansion microchannels, sudden expansion microchannels and sudden contraction microchannels are fabricated by SU-8 using the maskless lithography and indirect bonding technique. Another set of straight microchannels, gradual expansion microchannels, sudden expansion microchannels and sudden contraction microchannels are fabricated by PMMA using the maskless lithography, hot embossing …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 6, Issue 1, 2020 · pp. 45–70 Read article
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Life Cycle Cost Analysis and Designing
Abstract: Within creasing population in rapidly developing smart cities, sewage treatment has become necessary for treating sewage before disposing git off in water body as it can cause harm to human and aquatic life. Different sewage treatment methods are being used and a comparative study is done of Up-flow Anaerobic Sludge Blanket (UASB) process, Activated Sludge Process (ASP), Sequence Batching Reactor (SBR), Membrane Bioreactor (MBR). Life Cycle Cost Analysis (LCCA) is …
Published in International Journal of Construction Engineering and Planning · Vol. 7, Issue 2, 2021 · pp. 29–35 Read article
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Utilization of Waste Plastics as a Fiber in Concrete
Abstract: The rapid urbanization and industrialization all over the world has resulted in large deposition of plastic waste. Disposal of plastic waste in an environment is considered to be big hazard due to its very low biodegradability and presence in large quantities. In order to minimize the problem, the proposed concrete which is made by adding plastics in concrete may help to reuse the plastics and to study the properties of …
Published in International Journal of Concrete Technology · Vol. 3, Issue 1, 2017 · pp. 56–60 Read article
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A STUDY ON PRODUCTION OF NEXT GENERATION CONCRETE : GREEN CONCRETE
Abstract: This proposal aims to study the production of eco friendly, sustainable and efficient self healing concrete. Concrete is the most widely used material in construction, concrete is a composite material composed of course aggregates bonded with wet cements which hardens over time. Production of bioconcrete is done in order to reduce the cracks, reduces the corrosion of steel present inside the building. Modern methods of construction and technology have taken …
Published in International Journal of Concrete Technology · Vol. 4, Issue 2, 2018 · pp. 17–20 Read article
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A Review on Waste Bakelite as Replacement Partially Over Coarse Aggregate in Concrete Mix
Abstract: Various components in India are made up of Bakelite. Saffron Global Dumping of waste Bakelite through landfill is not allowed due to it effect on soil mass and open burning is not allow because of the emission of harmful gases which cause air pollution. A large space of storehouse requires to store large amount of area for keeping waste Bakelite which becomes management problem of waste. Despite managing waste Bakelite …
Published in International Journal of Concrete Technology · Vol. 9, Issue 2, 2023 · pp. 8–13 Read article
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Climate Change – Causal Factors and Impacts with Special Reference to India
Abstract: The change of climate during the last few decades have witnessed frequent floods, droughts, loss of agriculture yield, effect on water resource, food security, rise in sea levels, impact on coastal areas, biodiversity and ecological changes and occurrence of cyclones resulting into significant damage to life and health, property, land, agriculture, and economy. Climate change in earlier times were predominantly on account of natural factors due to changes in Earth’s …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 2, Issue 2, 2016 · pp. 10–20 Read article
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A New Model for Prediction of Wellbore Stability Using the Three Dimensional Hoek–Brown Failure Criterion
Abstract: Wellbore stability is one of the crucial issues in oil and gas industries. The issues related to instability of wells, impose significant unwanted costs on drilling operation.The objective of this paper is to present the 3D-wellbore stability prediction models for vertical wellbores. The three dimensional Hoek–Brown strength criterion developed by Zhang and Zhu conjunction with linear poroelastic constitutive model is utilized to develop the models. This models leads to easily …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 3, Issue 2, 2017 · pp. 10–15 Read article
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Composting of Municipal Solid Waste to Enhance the Fertility of Soil
Abstract: Composting has been used as a method of utilisation organic matter into the soil to boost soil structure and fertility. The composting method has received abundant attention in recent years due to pollution issues and also the seek for environmentally sound strategies for treating waste. Waste volumes still rise, that ends up in loss of resources and inflated environmental risks. Open selling and landfill could be a major technique for …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 6, Issue 2, 2020 · pp. 16–21 Read article