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61 articles for “zinc”
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Nanomaterials via Green Synthesis: Insights into Biocompatibility and Biotechnological Applications
Abstract: This review critically examines recent advances in the green synthesis of nanomaterials (NMs) and their diverse biological applications, with a focus on antimicrobial, antioxidant, anticancer, and anti-inflammatory properties. The reviewed studies evaluated key characteristics of green-synthesized NMs, including their size, shape, and concentrations, as assessed in both in vitro and in vivo biological models. Compared to traditional chemical methods, green synthesis demonstrated superior efficacy, enhanced biocompatibility, and reduced toxicity. For …
Published in International Journal of Green Chemistry · Vol. 11, Issue 1, 2025 · pp. 1–16 Read article
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Dry Season Impact on Water Quality of Nworie River, Owerri, Nigeria
Abstract: This study assessed the physicochemical properties and heavy metal contamination of Nworie River during the dry season. Fifteen composite water samples were collected from strategic points along the river. In-situ measurements of pH, temperature, and electrical conductivity were undertaken, while laboratory analyses determined heavy metal concentrations. Pollution Load Index and Contamination Factor were employed to evaluate the overall water quality and contamination levels. Results indicated moderate to high levels of …
Published in International Journal of Analytical and Applied Chemistry · Vol. 11, Issue 1, 2025 · pp. 40–49 Read article
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Analyzing Atmospheric Particulate Matter in PortHarcourt and Omoku, Nigeria, Using Artificial NeuralNetworks and Fuzzy Logic
Abstract: Port Harcourt and Omoku, two densely populated towns in Rivers State, Nigeria, are hubs of industrial, commercial, and residential activities, characterized by the presence of oil and gas industries, educational institutions, large markets, and, in the case of Omoku, access to free electric power supply. These activities contribute to environmental degradation through industrial effluents, domestic waste, automobile emissions, gas flaring, and biomass burning, which release aerosols that form harmful particulates …
Published in International Journal of Chemical Engineering and Processing · Vol. 10, Issue 2, 2024 · pp. 16–52 Read article
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Fungal-Mediated Synthesis of Silver Nanoparticles Using Fusarium Oxysporum and Their Antimicrobial Evaluation
Abstract: Nanotechnology has shown significant antimicrobial properties in the form of metal nanoparticles like silver, copper, and zinc. Silver nanoparticles (AgNPs) are biosynthesized from the fungus Fusarium oxysporum, isolated from infected ginger, which has antibacterial and antifungal properties. The synthesized AgNPs are reddish brown and have a maximum absorbance of 451 nm. The functional groups of AgNPs are investigated using FTIR analysis. SEM-EDX Shows Shape of Particle Spherical-Rod, Size from 6.13 …
Published in International Journal of Applied Nanotechnology · Vol. 10, Issue 2, 2024 · pp. 1–11 Read article
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Analysis of Surface Finish of Different Metallic Materials
Abstract: This study investigates surface processing techniques aimed at achieving a surface roughness (Ra) value of < 2.5 for various materials including gray iron, steel, pure copper, aluminum, and brass. Surface roughness plays a crucial role in determining the functional and aesthetic properties of machined components. The attainment of a specific Ra value demands precise control over machining parameters and selection of appropriate finishing processes. For steel, machining operation grinding followed …
Published in International Journal of Mechanics and Design · Vol. 10, Issue 1, 2024 · pp. 1–12 Read article
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In Vitro Evaluation of Bioremediation Capacity of a Commercial Probiotic, Bacillus clausii, for Chromium (VI) and Lead (II) Toxicity
Abstract: Heavy metals cause disastrous effects on any living organisms. Probiotics have the ability to reduce metal toxicity. Commercial probiotics having bioremediation capacity can use these bacteria as an alternative to conventional remediation methods. The bioaccumulation of heavy metals including chromium (VI) (Cr [VI]) and lead (II) (Pb [II]) causes fatal toxicity in humans. Some naturally occurring bacterial species, such as Bacillus and Pseudomonas, contribute their role in bioremediation of these …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 4, Issue 2, 2018 · pp. 1–16 Read article
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Revolutionizing Nanoparticle’s Synthesis Through Green Chemistry: A Brief Review
Abstract: Abstract Nanotechnology has experienced remarkable strides in response to the pressing need for environmentally friendly synthesis routes, with a paramount focus on minimizing deleterious by-products. This paradigm shift has galvanized researchers to delve into green biotechnology alternatives, harnessing the potential of plant extracts to reduce metal ions efficiently and yield green nanoparticles. These resultant nanoparticles not only showcase significant potential as antimicrobial agents but also hold profound implications for advancements …
Published in International Journal of Green Chemistry · Vol. 9, Issue 2, 2023 · pp. 26–37 Read article
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Electrodes at commercial forefronts
Abstract: Electrodes at commercial forefronts describe self sustenance approaches in place of traditional cent percent dependence on fissile fuels. Application of solid oxide fuel cells in developed multi-electrode systems have employed in cases of power shortages at nano-material designs. Nano-materials have large surface area but introduced problems such as poor electrode packing densities, high electrolyte reactivity, and expensive synthesis procedures. Thermal stress assisted electrolytic decomposition has motivated use of high temperature …
Published in International Journal of Analytical and Applied Chemistry · Vol. 5, Issue 1, 2019 · pp. 15–28 Read article
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EFFECT OF ALGAE & COAGULANTS ON PHARMACUTICAL EFFLUENT CHARACTERSTICS
Abstract: Pharmaceutical industry effluents may contain many elements including calcium, magnesium, silica, chromium nickel, iron, cobalt, zinc etc. These heavy metals which are produced by the industrial waste are a big threat for the environment. They can also harm the ecosystem. In this study biochemical treatment of algae and coagulants was given to pharmaceutical industry effluent and reduction in polluting parameters was determined. It was observed that in the presence of …
Published in International Journal of Environmental Chemistry · Vol. 5, Issue 1, 2019 · pp. 1–3 Read article
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Electronic Waste Vs Environmental Sustainability: Global Ultimatum to Society
Abstract: We often suppose that the risks of electronic waste solely have an effect on us which come back directlywith it and are in the main a consequence of inappropriate handling. Obviously, this can be right andthere are many studies that proof the risks ensuing from direct contact with harmful materialscomparable to lead, metal or chromium. The studies together alert us concerning however differentelements, let's say brominated flame retardants generate toxic …
Published in International Journal of Environmental Chemistry · Vol. 7, Issue 1, 2021 · pp. 1–5 Read article
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Impact of Solid Waste Disposal on Soil Physicochemical Parameters and Selected Enzyme Activities: A Case Study from Nekede Dumpsite, Nigeria
Abstract: This study assessed the influence of solid waste disposal on soil physicochemical parameters in Nekede dumpsite Owerri, Imo state Nigeria. The study area is a solid waste dumpsite located between latitude 5° 25' 59.99"N and longitude 7°01'60.00"E DMS coordinates along No. 1 old Nekede road and beside the Otamiri river. The study area was partitioned into four (4) quadrants while facing the river with samples collected at three (3) different …
Published in International Journal of Environmental Chemistry · Vol. 9, Issue 2, 2023 · pp. 40–49 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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Yamuna River Degradation due to Heavy Metals in Delhi-NCR: A Review
Abstract: Yamuna river, which is a heart river for Delhi-NCR, is the most-polluted river in the country. Highly populated Delhi-NCR pollute the river Yamuna in all aspects weather we talk about domestic or industrial waste; which I turn affect in increasing significance for ecological, evolutionary, and environmental reasons. Mythologically Yamuna River is associated with the Hindus but apart it fulfills the need of people in other way as well. The water …
Published in International Journal of Water Resources Engineering · Vol. 2, Issue 2, 2016 · pp. 19–23 Read article
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Rating of Water Quality of Rivers Water in Asari Toru L.G.A, Rivers State, Nigeria
Abstract: The aim of the assessment was to compute the water quality index (WQI) of Sama and Tema River at 20metres interval along horizontal direction of the river to determine the suitability of the water for purposes of public drinking, recreation and other usage. In this paper the functional parameters in evaluating quality of a water body were used in evaluating the water quality index (WQI) of the two river and …
Published in International Journal of Water Resources Engineering · Vol. 3, Issue 2, 2017 · pp. 62–69 Read article
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Recent Advancement of Nanotechnology in Plant Disease Management
Abstract: Nanoparticles are small size particles having potential to work in large surface area. Size of nanoparticles vary from 1-100 nm. The composition of nano-formulation should break down quickly in the soil and sluggishly in plants with remnant levels under the regulatory standards in foodstuffs. The nanoparticle synthesis methods can be categorized into bottom-up or top-down method Physical- Ball milling, nanolithography, pulsed laser, electrochemical; Chemical- Vaccum deposition and vaporization, chemical vapor …
Published in International Journal of Applied Nanotechnology · Vol. 7, Issue 2, 2021 · pp. 34–42 Read article
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Nanostructured Metal Oxides as Promising Electrode Materials for Microbial Fuel Cells
Abstract: Microbial fuel cells (MFCs) are emerging as a promising technology for generating sustainable energy from organic waste materials. One of the key challenges in developing efficient MFCs is the selection of suitable electrode materials. In recent years, nanostructured metal oxides have gainedconsiderable attention as electrode materials for MFCs due to their unique structural and electrochemical properties. This review highlights the recent progress in the development and application of various types …
Published in International Journal of Applied Nanotechnology · Vol. 8, Issue 2, 2022 · pp. 23–30 Read article
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Enhancing the Flame Resistance of Hybrid Composite Materials with Inorganic Retardants
Abstract: Fire safety is a crucial component of measures with the goal of minimizing damage from restricting the spread of fires, preventing flashover, and measuring how to inhibit their beginning. It is feasible to flee for a longer amount of time if flames are prevented or delayed. Consequently, it effectively protects property, health, and life. Polymer characteristics that resist heat and fire frequently altered through the addition of particulate fillers. Numerous …
Published in International Journal of Energetic Materials · Vol. 8, Issue 2, 2022 · pp. 1–9 Read article
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Role and Application of Aluminum Alloys
Abstract: Alloy wheels are wheels that are made from an alloy of aluminum or magnesium. Alloys are mixtures of metal and other elements. They generally provide greater strength over pure metals, which are usually much softer and more ductile. Aircraft manufacturers use high-strength alloys (principally alloy 7075) to strengthen aluminum aircraft structures. Aluminum alloy 7075 has Copper (1.6 %), Magnesium (2.5 %) and zinc (5.6 %) added for ultimate strength, but …
Published in International Journal of Metallurgy and Alloys · Vol. 3, Issue 2, 2017 · pp. 17–24 Read article
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MANUFACTURING AND TESTING OF CNT BLENDED NAVAL BRASS
Abstract: The Utilization of advanced technologies increased the scope of producing new materials drastically .as a result wide spectrum of nanomaterials are being produced these materials are manufactured as per the desired properties in the final material /composite. The aim of this study is to investigate the effect of CNT (Carbon Nano Tubes) reinforcement into naval brass (Cu-CNT 60%, Zinc 39%, and Tin 1%) naval brass is widely applied in the …
Published in International Journal of Metallurgy and Alloys · Vol. 6, Issue 2, 2020 · pp. 7–11 Read article
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Role of Nanotechnology in Homoeopathy
Abstract: The word Homoeopathy is derived from the Greek words ‘hómoios’ meaning similar and ‘páthos’ means suffering. Recently the development been done by several researchers from the Indian Institute of Technology (IIT)-Bombay, and have discovered that nanotechnology is the very basis of homoeopathic treatments. There were several study been done in order to find a relation between Homoeopathy and Nanotechnology and according to IIT scientists the homeopathic medicines work on the …
Published in International journal of Nanobiotechnology · Vol. 6, Issue 1, 2020 · pp. 28–35 Read article