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104 articles for “Heavy metals”
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Au@Sio2@PVP-DCMD Membranes: A Breakthrough in Heavy Metal Removal and Antibacterial Defense
Abstract: This study investigates the development and characterization of multifunctional gold-doped silica (Au@SiO₂) membranes for water distillation and antibacterial applications. The manufacturing process integrated gold nanoparticles into silica matrices using sol-gel techniques. Structural analysis was conducted using SEM (showing uniform pore distribution with an average pore size of 40-50 nm), FTIR (confirming Si-O-Si and Si-Au-Si bonding peaks at 525 cm⁻¹ and 1310 cm⁻¹ respectively), EDX (revealing gold nanoparticle content of 1.5 …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 13–27 Read article
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Machine-Learning-Assisted Development of Polymer-Biochar Composite Adsorbents for the Removal of Heavy Metals from Gomti River Water
Abstract: Rapid urbanization, industrial discharge, and agricultural runoff pose a significant threat to freshwater sustainability and public health. Within these ecosystems, polymer pollutants—such as microplastics, nanoplastics, synthetic fibres, and additive residues—have emerged as persistent vectors capable of adsorbing and transporting toxic heavy metals. Because these polymeric contaminants dynamically interact with conventional aquatic parameters to alter pollutant mobility and ecological risk profiles, there is an urgent need to transition from passive environmental …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 72–95 Read article
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A Study of Environmental Pollution in Some Areas of the City of Najaf for Some Heavy Metals
Abstract: Pollution is one of the most important problems that people face at the present time, and the problem of soil pollution is the most serious, due to its relationship to human health and other organisms. Soil sample collection areas in the city of Najaf were chosen based on several factors, including traffic, industrial and urban activities, and population density. Soil samples were taken at a depth level ranging between 0-15 …
Published in Research & Reviews : Journal of Ecology · Vol. 13, Issue 2, 2024 · pp. 14–23 Read article
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Stabilization of Heavy Metal Sludge to Pass the TCLP Test Using Cement with a Sinter as a Additive
Abstract: According to the U.S. Stabilisation is the best-proven technology now in use, according to the Environmental Protection Agency's definition in Title 40, Part 268 of the Code of Federal Regulations (40 CFR 268).This method prevents harmful contaminants from leaking into the environment by physically and chemically trapping them all in a matrix. The investigations used 15 different water-mixed combinations of cement, fly ash, sinter, and lime. The study also examined …
Published in Journal of Polymer & Composites · Vol. 11, Issue 10, 2023 · pp. 16–24 Read article
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Zebra Fish Embryo Assay: A Wonderful Tool for Ecotoxicological Risk Assessment with Special Reference to Heavy Metals - An Overview
Abstract: In recent years, environmental pollution has become a pressing concern, prompting extensive research in aquatic ecotoxicology. With environmental degradation getting worse day by day, ecotoxicology research has gained a lot of attention. This area of study examines how biological communities in aquatic environments are affected by environmental contaminants. To unravel the toxicological mechanisms of these exogenous compounds, scientists turn to biological models. Several aquatic species, including zebrafish, toads, and big …
Published in International Journal of Toxins and Toxics · Vol. 2, Issue 2, 2025 · pp. 56–70 Read article
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Green Fabrication of Glutaraldehyde-Crosslinked Chitosan/PVA Biocomposite for Heavy Metal Removal from Wastewater
Abstract: Chitosan (CS) and Polyvinyl alcohol (PVA) are polymers that possess biodegradable, biocompatible, and non-toxic properties, making them suitable for wastewater treatment applications. The primary objective of this research is to chemically modify chitosan in a novel manner to enhance its ability to remove hexavalent chromium Cr(VI) from aqueous solutions. In this study, a composite material was synthesized by crosslinking PVA and CS with glutaraldehyde (GA), resulting in the formation of …
Published in Journal of Water Pollution & Purification Research · Vol. 12, Issue 3, 2025 · pp. 59–83 Read article
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Physiological and Anatomical Study of The role of Phytoremediation of Mustard Plant in Reducing Pollutants in Najaf Governorate/Iraq
Abstract: The experiment was conducted in Najaf Governorate / Iraq during the winter of 2023 to determine the types of some heavy metals in Najovernorate and to know the role of phytoremediation of mustard plant in absorbing these heavy metals and the plant's response to these pollutants by measuring some nutrients and heavy metals and studying some anatomical characteristics. Large pots were used in the experiment and distributed after a month …
Published in OmniScience: A Multi-disciplinary Journal · Vol. 15, Issue 3, 2025 Read article
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Microwave Assisted Digestion For Cadmium Analysis in Yoghurt Samples Using Atomic Absorption Spectrophotometer
Abstract: This paper presents an innovative approach for the digestion of dairy products aimed at determining heavy metal concentrations using atomic absorption spectrophotometry. The present study was conducted to assess the concentration of cadmium in different Yoghurt samples. A total of 80 random samples of dairy products (20 each of sour Yoghurt, sweet Yoghurt, flavoured Yoghurt, and homemade Yoghurt) were collected from different areas of Kota city. For the analysis of …
Published in Research and Reviews : Journal of Dairy Science and Technology · Vol. 13, Issue 2, 2024 · pp. 24–39 Read article
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A comprehensive Review on the Impact of Aquatic Pollution on Fish
Abstract: Freshwater is one of the most important natural resources that are used for various activities in our daily lives. Here, 70% of our Nation’s liquid freshwater is unfit for consumption. Effect of heavy metals on hydrophobicity provides general information about the distribution of heavy metals in the atmosphere from different sources around the world, such as atmospheric precipitation, river and lake sediments. Human activities such as chemicals are increasing day …
Published in Research and Reviews : Journal of Veterinary Science and Technology · Vol. 13, Issue 1, 2024 · pp. 1–12 Read article
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Qualitative and Quantitative Assessment of Water Resources at Moradabad District (UP), India
Abstract: Moradabad district houses several medium and small-scale industrial units: such as alloy manufacturing, chrome plating, electroplating, and metal extraction from e-waste. The city is known for its export of brass handicrafts to various countries across the world including North America and Europe and is popularly known as Peetal Nagri (Brass City). Heavy metals like lead, copper, arsenic and iron used in alloy manufacturing and nickel and chromium used in plating …
Published in Journal of Water Pollution & Purification Research · Vol. 11, Issue 2, 2024 · pp. 1–9 Read article
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Lead Ion Removal from Water Using Fava Beans Pod-Derived Phytoadsorbents: A Green Approach
Abstract: The contamination of natural ecosystems—particularly water bodies—with harmful chemical substances poses a serious environmental threat on a global scale. Among these contaminants, toxic heavy metals such as lead, arsenic, cadmium, and mercury are especially concerning due to their non-biodegradable nature and ability to accumulate in living organisms. These metals can enter the human body through the food chain, even at trace levels, leading to various severe health issues, including neurological, …
Published in Journal of Water Pollution & Purification Research · Vol. 12, Issue 3, 2025 · pp. 53–58 Read article
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Physicochemical Parameters for Water-Environment Quality Testing: A Review
Abstract: The increasing threat posed by contaminants in air, water, and soil is a pressing issue globally, exacerbated by population growth, industrialization, and agricultural practices. These factors contribute to significant water pollution, introducing harmful substances that compromise human health. Natural processes, such as weathering and soil leaching, alongside mining activities, further degrade water quality. Regular monitoring of drinking water is essential, as contaminated sources can lead to a variety of waterborne …
Published in International Journal of Pollution: Prevention & Control · Vol. 3, Issue 1, 2025 · pp. 08–12 Read article
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A Comprehensive Review on Male Infertility
Abstract: The failure to attain a clinical pregnancy naturally after one year of unprotected intercourse is termed as infertility. Some of the factors that contribute to Infertility are late marriages, advanced age, genetics and lifestyle to name a few. To tackle this scenario, infertile and sub fertile couples take the aid of assisted reproductive technology. Intra uterine insemination (IUI), In vitro fertilization (IVF), Intra cytoplasmic sperm injection (ICSI), surgical sperm retrieval …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 15, Issue 3, 2025 · pp. 95–103 Read article
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Estimation and Study of Contamination by Elements (Ni, Cu, Mg, Sn) in Dust of Areas near Fuel Stations in Najaf Governorate
Abstract: The research focused on studying and determining the levels of pollution in dust collected from various stations in the city of Najaf near fuel situations represented by four Fuel Situations (Soor Alnajaf Situation, Reebal Situation, Alkarar Situation, Alqudus Situation ), for this we selected 4 situations for current study, to determine the levels of pollution and compare them with the internationally permitted levels of elements (nickel, copper, and magnesium). Air …
Published in International Journal of Pollution: Prevention & Control · Vol. 3, Issue 2, 2025 · pp. 6–14 Read article
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Groundwater Quality Analysis of various Physicochemical Parameter
Abstract: The quality of groundwater is a critical concern for sustainable water resource management. Groundwater serves as an essential resource for a multitude of purposes, encompassing the provision of potable water and the sustenance of agricultural irrigation systems. However, it is susceptible to contamination from anthropogenic and natural sources. The objective of this research is to assess the spatial distribution and quality of groundwater parameters in Umred Taluka to provide valuable …
Published in Journal of Water Resource Engineering and Management · Vol. 11, Issue 1, 2024 · pp. 1–11 Read article
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Studying the effects of Exposure to Chemicals on The brain and Nervous System and The risk of Chemical Pollution
Abstract: Scientific research and studies on chemical pollution show that exposure of the brain and nervous system to chemicals causes serious damage ranging from cognitive, motor, and nerve cell disorders to chronic diseases such as Alzheimer's and neurological paralysis. These substances (such as lead ions, mercury, solvents that combine and dissolve easily in the blood, and pesticides) disrupt neurotransmitters and cause cell damage, especially during the early stages of body development. …
Published in International Journal of Brain Sciences · Vol. 3, Issue 1, 2026 Read article
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Evaluation of Physico-Chemical Parameters of Drilling Fluid and Its Effects on Water Quality Discharged in (Okoroagu River) in Etche LGA of Rivers State
Abstract: The study evaluated the surface water quality of Okoroagu River, Niger Delta of Nigeria, in order to determine the water quality index. Water samples were collected at five sampling points of the Okoroagu river. The results revealed that the Physicochemical and heavy metals parameters exceeded the NSDWQ and WHO recommended permissible limits except for TDS, pH, EC, Zinc, Chromium, Nickel and Manganese whicht were within the acceptable limit. The water …
Published in Journal of Water Pollution & Purification Research · Vol. 12, Issue 1, 2025 · pp. 32–44 Read article
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CdS-Based Photocatalytic Nanostructures: A Promising Material for Various Environmental Applications
Abstract: Modern technological and industrial progress has significantly increased the use of chemicals in product development, leading to greater contamination of water sources by conventional pollutants (such as organic dyes and heavy metals) and harmful microorganisms. Wastewater treatment processes now reveal “emerging pollutants,” including pharmaceuticals, endocrine disruptors, and agricultural chemicals. Certain emerging pollutants, though harmless in some cases, can pose serious risks to various organisms. To address this, researchers are exploring …
Published in Research & Reviews : Journal of Physics · Vol. 14, Issue 1, 2025 · pp. 33–53 Read article
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Azepines, Chemistry, Synthesis and Reactions
Abstract: Azepines, which consist of a seven-membered cyclic compound featuring six carbon atoms, an additional nitrogen atom, and no double bonds between carbons, form a diverse group within organic chemistry. The fully hydrated form of this compound is called azepam (C6H13N). Compounds and their variants play crucial roles in pharmaceutical research due to their biologic attributes like cancer-fighting, bacteria-killing, fungus-busting, virus-suppressing, and inflammation-reducing capabilities. Various organic molecules found within nature draw …
Published in International Journal of Minerals · Vol. 2, Issue 2, 2025 · pp. 35–45 Read article
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Impact of Groundwater Pollution on Carcinogenic and Non-Carcinogenic Health Effects: A Review
Abstract: Groundwater is a critical source of drinking water in many regions worldwide, particularly in South and Southeast Asia, where dependence on untreated groundwater remains high. However, increasing groundwater contamination poses serious risks to human health. This review synthesizes recent peer-reviewed studies to examine the sources, distribution, and health impacts of major groundwater contaminants, with a focus on both carcinogenic and non-carcinogenic risks. Emphasis is placed on fluoride, nitrate, chromium, and …
Published in Research & Reviews : Journal of Ecology · Vol. 15, Issue 1, 2026 · pp. 40–46 Read article