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22 articles for “surface active compounds”
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Optimization Strategies Towards Enhanced Production of Microbial Surfactants for Diverse Industrial Applications: A Futuristic Approach
Abstract: Chemical or synthetic surfactants being employed in numerous industries pose significant environmental hazards due to their persistence in the environment and potential toxicity to aquatic life. Biosurfactants are low-molecular-weight surface-active compounds that offer a promising alternative to surfactants owing to their less toxicity, biodegradability and biocompatibility nature. They are derived from a variety of natural sources, including bacteria, fungi, and plants. In recent years, there has been a surge in …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 10, Issue 1, 2024 · pp. 11–22 Read article
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Corrosion Protection of Copper Metal by Nanocoating in Nitrogen dioxide Environment
Abstract: Nitrogen dioxide is an acidic gas. It absorbs moisture to produce nitric acid. It creates corrosive medium for copper metal. It forms corrosion cell on the surface of copper and accelerate corrosion reactions. The corrosion cell formation is written as: Cu|Cu2+||H+|H2 thus corrosion reactions start and copper is oxidized into Cu2+surface and it is oxidized into Cu2+ whereas H+ ion is reduced into H2. Nitric acid environment copper exhibits galvanic, …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 8, Issue 1, 2022 · pp. 1–11 Read article
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Gum Rosin: Manufacturing, Applications, Market Scenario and Opportunities
Abstract: A review about gum rosin and its derivatives has been compiled. Rosin, also known as colophony, is a naturally occurring, abundantly available, biodegradable, cheap and non-toxic raw material. It can be easily modified to obtain industrially useful products. Gum Rosin and its derivatives are widely used in numerous industrial applications such as resins, monomers, intermediates, curing agents, emulsifiers, medicines, tablets, energy drinks, biocides etc. Other industrial usage are in rubber …
Published in International Journal of Polymer Science and Engineering · Vol. 9, Issue 1, 2023 · pp. 32–37 Read article
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Articulating Precarious Waters: A Critical Review of Pharmaceutical Contaminants, Their Pathways, and Ecological–Health Risks in the Aquatic Systems of Bihar, India
Abstract: The article examines the emerging yet under-documented issue of pharmaceutical contaminants in Bihar’s aquatic environment, focusing on their types, occurrence, sources, and implications for ecology and human health. Pharmaceuticals and personal care products-including antibiotics, non-steroidal anti-inflammatory drugs, analgesics, beta‑blockers, and hormones – are conceptualized as pseudo-persistent pollutants because continuous inputs from households, healthcare facilities, and diffuse anthropogenic activities sustain their presence in surface water and groundwater despite individual compounds having …
Published in International Journal of Chemical Engineering and Processing · Vol. 12, Issue 1, 2026 · pp. 28–51 Read article
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Nanocoating and Electrospray Techniques Use to Mitigation Corrosion Sculptures
Abstract: The most sculptures of the world are created by the brass, bronze, iron, silver, gold and metalloid. They come in contact of corrosive pollutants to produce chemical, electrochemical and biochemical reactions and develop various form of corrosion like uniform corrosion, galvanic corrosion, pitting corrosion, stress corrosion and crevice corrosion. The corrosive gases CO2, NO2 and SO2 concentrations increase in atmosphere rapidly after industrialization. The major contributors of these gases are …
Published in International Journal of Metallurgy and Alloys · Vol. 8, Issue 2, 2022 · pp. 1–11 Read article
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Study of Corrosion and Corrosion Protection of Rebar Steel in Saline water
Abstract: Corrosion is major problem with metals. When they come in contact of surrounding corrosive medium to construct a corrosion cell on their interface, metals undergo in corrosion reactions. Such environments metals can be exhibited uniform, galvanic, pitting, stress, crevice, embrittlement, intergranular corrosion etc. The corrosion of phenomenon of rebar steel studied in saline water. It creates corrosive medium for rebar steel due to availability of chloride ions. Rebar steel is …
Published in International Journal of Metallurgy and Alloys · Vol. 11, Issue 2, 2025 · pp. 1–11 Read article
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Virosomes: Understanding the Modern Concepts and Latest Applications
Abstract: A virosome is a cutting-edge hybrid drug delivery method that combines the benefits of viral and non-viral vectors. A virosome has been shown to transport a variety of physiologically active substances, including nucleic acids, peptides, proteins, and tiny chemical compounds, according to research. Surface changes of virosomes may be used to enable targeted medication delivery utilising virosome-based devices. There are presently a variety of virosome-based preventive and therapeutic medicines on …
Published in International Journal of Animal Biotechnology and Applications · Vol. 7, Issue 1, 2021 · pp. 20–31 Read article
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Corrosion Protection of Rebar steel in Ocean Atmosphere
Abstract: Rebar is an important engineering metal. It is used in construction of housing, bridge and other infrastructures works. It is surround with concrete for strengthen building block components. The concentration of chloride ions in ocean atmosphere is higher so it produces hostile environment for rebar steel. The lots of porosities are available on the outer surface area of concrete so chloride ions enter inside by osmosis or diffusion process. It …
Published in International Journal of Energetic Materials · Vol. 8, Issue 1, 2022 · pp. 1–11 Read article
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Corrosion and Corrosion Protection of Carbon Steel
Abstract: Carbon steel is a very important metal for petroleum industries. Petroleum refineries are used bulk amount of carbon steel for purification of crude oil. Some amount of carbon dioxide and sulphur dioxide present in crude oil. Both gases are acidic in nature so they generate hostile medium for metal. These gases convert into carbonic and sulphuric acid and develop electrochemical cell on the surface of metal and aggravate corrosion reaction. …
Published in International Journal of Energetic Materials · Vol. 9, Issue 1, 2023 · pp. 28–35 Read article
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Organic Compound 5-(4-methoxybenzyl)-N-phenyl-1,3,4-thiadiazol-2-amine and NiS filler used to Mitigation the Corrosion of Mild steel and in Marine Atmosphere
Abstract: The concentration of chloride ions is higher in marine atmosphere. The bulk amount of mild steel uses in sea weather for different works. This metal is very sensitive in chloride ions. It produces hostile environment for mild steel. Chloride ions develop corrosion cell on the surface of mild steel and it changes their external and internal morphology as well as physical, chemical and mechanical properties. Mild steel exhibits corrosion reaction …
Published in International Journal of Metallurgy and Alloys · Vol. 5, Issue 2, 2019 · pp. 56–64 Read article
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Colloidal Gold Nanoparticles for Biomedical Applications
Abstract: The main problem of drug-based therapy is that the introduced compound is not located in the target area and it is widely dispersed. Colloidal nanoparticle-based treatment can benefit the situation. The human body can concentrate inert nanoparticle by passive targeting. The therapeutic delivery system can be promoted using the surface of gold nanoparticle so that it only targets the specific issues by active targeting. In passive targeting colloidal GNPs can …
Published in International journal of Nanobiotechnology · Vol. 4, Issue 1, 2018 · pp. 16–18 Read article
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Study the Corrosive Effect of Greenhouse Gases on Metallic and Non-metallic Materials
Abstract: Carbon dioxide is a major corrosive pollutant for building materials. It enters inside materials by diffusion or osmosis process and in presence of moisture it produces H2CO3 which decrease the pH value and accelerates chemical and electrochemical reaction with building materials. The carbonation reaction produces deterioration inside and outside of building materials. It produces corrosion reaction with metallic bar and disbanding with concrete. CO2 reacts with Ca (OH)2 and Mg(OH)2 …
Published in International Journal of Metallurgy and Alloys · Vol. 7, Issue 2, 2021 · pp. 17–28 Read article
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Nanocoating and Electrospraying Techniques Used for Corrosion Mitigation of Aluminum in Nitrogen dioxide Environment
Abstract: Nitrogen gas absorbs moist air to produce nitric acid. It develops acidic medium for aluminum. It forms a corrosion cell on the surface of aluminum. The formation of corrosion cell is written as: Al|Al+3||H+|H2 thus Corrosion reactions accelerate on aluminum surface and Al is oxidized into Al+3 and the H+ ions is reduced into H2. This acid produces various forms of corrosion in aluminum like galvanic, pitting, stress, crevice, blistering, …
Published in International Journal of Environmental Chemistry · Vol. 6, Issue 2, 2020 · pp. 20–31 Read article
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Effective Utilization of Agricultural Waste for Removal of Heavy Metals from Waste Streams
Abstract: The progress of industrialization and urbanization poses a great threat to the comfort of people's lives. The production and disposal of large amounts of toxic pollutants have severely polluted our environment. The most hazardous contaminants in soils and surface waters include some organic compounds, like synthetic dyes (SD) and toxic substances (heavy metals). It is of great interest worldwide due to its toxicity to many organisms. An important topic is …
Published in International Journal of Environmental Chemistry · Vol. 8, Issue 2, 2022 · pp. 1–11 Read article
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Synthesis of mixed metal oxides CuO-SnO, composite nano material for the study ofefficiency of textile fabrics as UV-absorbers
Abstract: In the present study we report the synthesis and characterization of nanosized copper oxide,tin oxide and composite of copper and tin oxide and their application on cotton fabrics forUV shielding. The CuO-SnO nanocomposite material prepared under different temperature90 0 - 150 °C by using water and 1,2-ethanediol as a solvent. Copper oxide, tin oxide andcomposite of copper and tin oxide nanoparticles were then applied to cotton sample to impartsunscreen activity …
Published in International Journal of Composite and Constituent Materials · Vol. 11, Issue 2, 2025 · pp. 1–5 Read article
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Enhanced Recovery by Hydrotropes in Oxidized Coal Flotation
Abstract: AbstractSo far flotation proved its best in improving the concentration of low grade fines by recovering the maximum with the use of advanced flotation reagents. In this context we propose the process optimization with the use of hydrotropes as activators in the coal flotation process. It is observed that sodium benzoate a known hydrotrope helped in increasing the recovery of the concentrate percent from 12.8% at plant condition to 31% …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 7, Issue 1, 2021 · pp. 19–23 Read article
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Study of the Effect of SLS Loading on the One-Pot Synthesis of Substituted Piperidines
Abstract: Piperidine derivatives represent a vital class of nitrogen-containing heterocycles with extensive pharmacological and industrial significance. Their synthesis has garnered considerable interest due to their presence in numerous bioactive molecules, including drugs with CNS activity, analgesic properties, and antimicrobial effects. Traditional multi-step synthetic pathways are often time-consuming and resource-intensive. To address this, one-pot multicomponent reactions (MCRs) have emerged as an efficient and eco-friendly alternative, allowing for the rapid construction of complex …
Published in International Journal of Green Chemistry · Vol. 12, Issue 1, 2026 · pp. 1–9 Read article
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Development of Azadirachta Indica Zinc Oxide Nanoparticles and their Prospective Role in Wastewater Treatment
Abstract: An advanced and eco-friendly method for development of nanoparticles is the fundamental role of Nanotechnology. In recent times, the domain of nanotechnology and nanoscience research has witnessed remarkable advancement, resulting in its colloquial name "tiny science." The convergence of nanotechnology and biology leads to the emergence of a highly sophisticated domain known as nanobiotechnology. Nanoparticles are considered the primary structural units in nanotechnology. These particles, referred to as NPs, are …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 10, Issue 1, 2024 · pp. 32–51 Read article
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Production of Waste Animal Bone as a Heterogeneous Solid Base Catalyst for Transesterification of Jatropha Oil
Abstract: Heterogeneous catalyst plays a vital role in transesterification process, especially in view of cost and reusability. In this study, heterogeneous solid base catalyst was prepared by impregnating the waste animal bone with different weight percent (wt%) KOH solution followed by drying and calcination at 900 °C for 3 hr. Having screened the catalytic performance and basicity of animal bone loaded with different K-compounds, 12 wt% KOH loaded on animal bone …
Published in International Journal of Chemical Separation Technology · Vol. 5, Issue 1, 2019 · pp. 28–48 Read article
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Studies on Extraction, Modelling and Purification of Quercetin from Peel of Allium cepa
Abstract: ABSTRACT Quercetin is an anti-oxidant, which very efficiently scavenges highly reactive biological species such as peroxynitrite and hydroxyl radical. Quercetin belongs to the flavonoid’s family. The present studies on optimization of physico-chemical parameters like effects of different solvents, different solvent percentages, particle size, pH and extraction time for the extraction of quercetin was studied. The highest quercetin concentration for optimized conditions was 38 µg/ml. In the soxhlet extraction process, the …
Published in International Journal of Plant Biotechnology · Vol. 4, Issue 1, 2018 · pp. 3–11 Read article