Search
432 articles for “Metals”
-
Development of Nanocomposites for Sensor Applications
Abstract: The development of nanocomposites for sensor applications represents a significant breakthrough in materials science and engineering, driven by the unique properties of nanomaterials. Nanocomposites, which combine nanoparticles with polymers or other matrices, exhibit enhanced mechanical, electrical, and thermal properties, making them highly suitable for various sensing applications. The integration of nanoparticles, such as metal oxide, carbon nanotubes, and graphene, into a composite framework can dramatically increase sensitivity and selectivity, enabling …
Published in International Journal of Applied Nanotechnology · Vol. 11, Issue 1, 2025 · pp. 18–37 Read article
-
Advancements and Innovations in Superalloy CoatingTechniques: A Comprehensive Review of ECAP andHigh-Temperature Aluminization
Abstract: Equal Channel Angular Pressing (ECAP) is a pivotal technique within Severe Plastic Deformation (SPD), widely recognized for its exceptional capability to refine grain structures in metals and alloys down to the micro- and nanometer scales. This review offers an in-depth examination of the ECAP process, highlighting its effectiveness in generating ultra-fine grain microstructures that significantly enhance the mechanical properties of materials, such as strength, hardness, and ductility. We provide a …
Published in International Journal of Metallurgy and Alloys · Vol. 10, Issue 2, 2024 · pp. 16–20 Read article
-
Structural, Optical, and Antibacterial Properties of NiCr₂O₄/NiO Nanocomposite Synthesized by a Facile Microplasma Electrochemical Process
Abstract: Nowadays increasing severity of environmental pollution and antibiotic resistance poses significant global challenges, particularly due to the accumulation of organic pollutants from industrialization and the proliferation of antibiotic-resistant bacteria, which jeopardize ecosystems and public health. To address these issues, the development of advanced nanocomposites with photocatalytic and antimicrobial properties is of paramount importance. This article reports the synthesis of NiCr₂O₄/NiO nanocomposite conducted in the current study via atmospheric pressure microplasma …
Published in International Journal of Composite and Constituent Materials · Vol. 10, Issue 2, 2024 · pp. 1–12 Read article
-
Experimental Study on Effects of Moisture and Clay Content on the Properties of Moulding Sand
Abstract: Sand casting, a time- honoured technique for casting both ferrous and nonferrous metals, remains widely utilized due to its cost-effectiveness, material abundance, and reusability, particularly with sand as a primary resource. This study delves into the intricate dynamics of sand casting, examining its crucial parameters through meticulous analysis of existing research. The investigation focuses on the influence of factors such as sand composition, moisture levels, clay content, and binder type …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 10, Issue 1, 2024 · pp. 16–25 Read article
-
Nanostructured Materials for Developing Biocompatible and Implantable Biosensors: Challenges and Strategies
Abstract: Nanostructured materials have emerged as promising candidates for developing high-performance biosensors due to their unique properties, such as high surface-to-volume ratio, enhanced catalytic activity, and improved electrical and optical characteristics. However, the integration of these materials into biocompatible and implantable biosensors presents several challenges, including biocompatibility concerns, biofouling, long-term stability, and efficient signal transduction. This chapter offers a thorough review of the difficulties and solutions related to creating biocompatible and …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 10, Issue 1, 2024 Read article
-
COMPARATIVE ASSESSMENT OF FIRE RESISTIVITY OF ROOFING MATERIALS IN KANO MARKETS IN NIGERIA
Abstract: Fire outbreaks in Nigerian markets is a problem that have been significantly rated very high especially in Kano State. To reduce this problem, a research was conducted on the three major markets in Kano with the aim of comparatively assessing the fire resistivity of their roofing materials, in order to generate guidelines for designing roofs of marketbuildings in Nigeria. The research focused on desktop study as the instrument for data …
Published in International Journal of Architectural Heritage · Vol. 6, Issue 1, 2023 · pp. 39–44 Read article
-
Geology and Geochemistry of Ilmenite Deposits of Malumfashi Schist Belt, Northwestern Nigeria
Abstract: The geology, geochemistry and the economic potential of Ilmenite occurrence insheet 79 Malumfashi NW is presented in this study. The field and petrographic studies revealed that, the area consists of largely muscovite and carbonaceous schist together with Granite as major rocks. Tourmalinites and quartzite as minor rocks. Numerous quartz veins of various sizes trending NS parallel to the foliation of the schist are present throughout representing a silicification episode. The …
Published in International Journal of Landscape Planning and Architecture · Vol. 5, Issue 2, 2019 · pp. 40–51 Read article
-
Biosynthesis of Silver Nanoparticles Using Plant Extract
Abstract: In recent years, research in nanotechnology deals with the development of environmental-friendly processes for the synthesis of stable nanoparticles, possessing well-defined shapes, and controlled narrow sizes. Additionally, due to a vast demand for precious metals (like silver) in the fields such as electronics and catalysis, recovery of silver from both primary and secondary sources is of most significance. Biological recovery of precious metals with the formation of their nanoparticles is …
Published in International Journal of Plant Biotechnology · Vol. 1, Issue 1-2, 2015 · pp. 12–17 Read article
-
Nanocomposite Hydrogels for Water Purification
Abstract: DNA hydrogels have been demonstrated as versatile catalysts, potential adsorbents, sensors and immobilization carriers of bioactive molecules. They are a type of tenuous, semiflexible polymeric network that consists of precisely designed synthetic nucleotide strands as chemical or physical cross-linkers. Hydrogels have been widely studied due to their improved physicochemical properties and used as antibacterial platforms, wastewater pollutants, adsorbents and drug deliverers. Because of their biocompatibility and the ability to mix …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 4, Issue 2, 2018 · pp. 17–21 Read article
-
Eco Friendly Water Purifier through UV+RO in Rural Areas
Abstract: ABSTRACTA study on the performance of raw water or tap water purifier was conducted between January to May in 2016. The Raw water or tap water was treated through the “advanced biotech techniques” i.e., solar panel TDS meter, UV lamp, RO membrane, TDS controller and UF (Ultra filtration). It was observed that raw water or tap water is more unhygienic which is very harmful for us. RO membrane and UV …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 5, Issue 2, 2019 · pp. 1–9 Read article
-
Review on Green Corrosion Inhibitors
Abstract: Green corrosion inhibitors have attracted considerable research interest in the recent years due to the increase in environmental awareness and restrictions on traditional corrosion inhibitors due to their intrinsic toxicity. Natural products extracts are a good source of green corrosion inhibitors, because they contain the necessary elements such as O, C, N, and S, that helps in attachment of these compounds on metals or alloys which results in development of …
Published in International Journal of Green Chemistry · Vol. 4, Issue 1, 2018 · pp. 13–18 Read article
-
Adsorption by waste materials - An effective method for removal of pollutants from wastewater
Abstract: Various pollutants in wastewater with high organic and metal content poses a major problem in the field of wastewater treatment. Removal of pollutants by adsorption is very effective and economical method. Low cost materials can be used for adsorption preparation. These include adsorbents prepared from saw dust, bagasse pith, rice husk ash, activated coconut shell powder controlled burnt wood charcoal, fly ash, peat, wood, jute fibers. It is envisaged to …
Published in International Journal of Green Chemistry · Vol. 4, Issue 2, 2018 · pp. 17–19 Read article
-
Seaweeds nanoparticles for wastewater treatment
Abstract: Wastewater comprises of organic, biological and inorganic pollutants. By 2020, the world’s population is expected to reach 7.9 billion further, leading to severe water scarcity. Water purification by nanotechnology can be a possible approach as it can eliminate contaminants and help in the recycling process of nanoparticles to control the economy of water treatment technology. Nanotechnology is one of the major fields of modern research which has escalated over the …
Published in International Journal of Green Chemistry · Vol. 4, Issue 2, 2018 · pp. 20–24 Read article
-
Green Corrosion Inhibitors for Mild Steel in Acidic Media-A Short Review of Literature
Abstract: Corrosion of metals and alloys is an inevitable phenomenon due to metal’s natural tendency to revertback to combined state to attain stability. The article focuses on briefly reviewing few of the greencorrosion inhibitors reported for mild steel in acidic media over last three years. The measurementmethods for evaluation of corrosion rates practically and theoretically are mentioned in the article.The mode of adsorption of the inhibitors and the proposed adsorption isotherm …
Published in International Journal of Green Chemistry · Vol. 7, Issue 1, 2021 · pp. 27–30 Read article
-
Creating Awareness on Toxic Nature of Mercury
Abstract: In our day to day life, we come across in contact with hundreds of substances such as natural or synthetic which are toxic. A dangerous heavy metal that is widely present in nature is mercury. Most frequently affected by mercury toxicity includes systems like neurologic, renal organ system, and gastrointestinal system. Ingestion, injection or inhalation of any type of mercury, including skin absorption of mercury can all result in poisoning …
Published in International Journal of Green Chemistry · Vol. 8, Issue 2, 2022 · pp. 34–38 Read article
-
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
-
Designing Brake Fluids for Modern Cars; Key Aspects
Abstract: The advancement of technology in almost all areas such as materials, electronics, communication, Information Technology, machines, electronics, instrumentation, control systems, etc. made it possible to have the modern cars of the type that were not possible decades ago. There exist materials today that are much lighter than the metals but at the same time stronger than metals. This helped in attaining higher speeds on the one hand and much superior …
Published in International Journal of Analytical and Applied Chemistry · Vol. 9, Issue 2, 2023 · pp. 1–14 Read article
-
Analytical Development of Electrochemical Biosensors for Real-Time Monitoring of Environmental Contaminants
Abstract: The increasing awareness of environmental pollution has necessitated the development of efficient monitoring systems for the detection and quantification of contaminants. Electrochemical biosensors have emerged as powerful tools due to their high sensitivity, rapid response, and cost-effectiveness. This paper reviews recent advancements in the development of electrochemical biosensors specifically designed for real-time monitoring of environmental contaminants. The design and fabrication of electrochemical biosensors involve the integration of biological recognition elements …
Published in International Journal of Analytical and Applied Chemistry · Vol. 9, Issue 2, 2023 · pp. 31–37 Read article
-
The new method of mixing in an advanced ceramics processing
Abstract: Ceramics for today’s engineering applications can be considered as advanced, new or fine, and utilize highly refined materials. These new or advanced ceramics, when used as an engineering material, possess several properties which can be viewed as superior to metal-based systems. These properties place this new group of ceramics in a most attractive position, not only in the area of performance but also cost effectiveness. These properties include high resistance …
Published in International Journal of Chemical Engineering and Processing · Vol. 5, Issue 1, 2019 · pp. 43–47 Read article
-
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