Toxicity of Metal Oxides, Dyes, and Dissolved Organic Matter in Water: Implications for the Environment and Human Health

Toxics, Journal Year: 2024, Volume and Issue: 12(2), P. 111 - 111

Published: Jan. 28, 2024

This study delves into the critical issue of water pollution caused by presence metal oxides, synthetic dyes, and dissolved organic matter, shedding light on their potential ramifications for both environment human health. Metal ubiquitous in industrial processes consumer products, are known to leach bodies, posing a significant threat aquatic ecosystems. Additionally, extensively used various industries, can persist systems exhibit complex chemical behavior. review provides comprehensive examination toxicity associated with matter systems. We delve sources environmental fate these contaminants, highlighting prevalence natural bodies wastewater effluents. The highlights multifaceted impacts them health ecosystems, encompassing effects microbial communities, flora fauna, overall ecological balance. novelty this lies its unique presentation, focusing matter. approach aims facilitate accessibility results readers, providing streamlined clear understanding reported findings.

Language: Английский

---

Unveiling the silent threat: Heavy metal toxicity devastating impact on aquatic organisms and DNA damage

Marine Pollution Bulletin, Journal Year: 2024, Volume and Issue: 200, P. 116139 - 116139

Published: Feb. 16, 2024

Language: Английский

---

Toxic heavy metals in a landfill environment (Vientiane, Laos): Fish species and associated health risk assessment

Environmental Toxicology and Pharmacology, Journal Year: 2024, Volume and Issue: 108, P. 104460 - 104460

Published: May 3, 2024

Language: Английский

---

Lead toxicity in African catfish: Promising role of magnetite nanogel against etho-neurological alterations, antioxidant suppression, gene toxicity, and histopathological/ immunohistochemical disruptions

Aquaculture, Journal Year: 2024, Volume and Issue: 594, P. 741411 - 741411

Published: July 30, 2024

Language: Английский

---

Behavioral, biochemical, immune, and histological responses of Nile tilapia (Oreochromis niloticus Linnaeus, 1758) to lead, mercury, and pendimethalin exposure: individual and combined effects

Environmental Sciences Europe, Journal Year: 2025, Volume and Issue: 37(1)

Published: Jan. 15, 2025

Abstract The aquaculture sector is facing environmental issues because of rising chemical pollution aquatic systems, which may be caused by man-made or natural causes. combined action these mixtures can produce an effect that either severalfold higher lower than the overall toxicity individual components. objective this study to evaluate impact three toxicants: lead (Pb 0.088 mg L −1 ), mercury (Hg 0.084 and pendimethalin (PM 0.355 ) their combinations on behavior, oxidative stress, immunology, biochemistry, histopathological changes in Nile tilapia. results show mortality was evident across all treatment groups highest mixture (MIX) group, at 33.4%. Some behavioral included increased mucus secretion, fin rot, dark skin coloration fish, were evidently exacerbated MIX group. erythrocyte hemoglobin indices presented marked reductions PM comparison control group had levels serum creatinine urea, as well liver enzymes alanine aminotransferase, aspartate transaminase, alkaline phosphatase. They also malondialdehyde total antioxidant capacity, showed stress. stress biomarkers, cortisol glucose, greater groups. neurobehavioral assessment demonstrated noticeable decreased acetylcholinesterase MIX-exposed In immunological parameters, nitric oxide lysozyme lower, especially experimental groups, spleen pro-inflammatory cytokine genes higher. examination revealed lesions gills, liver, brains form inflammation, necrosis, circulatory alterations. Among exposed exhibited changes. Collectively, our findings significant toxic effects heavy metals herbicides tilapia, revealing a synergistic both physiological responses resulting from exposures. data indicate ecological hazards associated with ecosystems.

Language: Английский

---

Heavy metal contamination in freshwater habitats impairs the growth and reproductive health of wild spotted snakehead Channa punctata (Channidae) in Bangladesh

Heliyon, Journal Year: 2025, Volume and Issue: 11(4), P. e42543 - e42543

Published: Feb. 1, 2025

Highlights•Freshwater fish habitats of Bangladesh are being polluted with heavy metals•Heavy metal bioaccumulation in C. punctata fresh water were detected•Growth pattern and reproductive performances varied among the habitats•Heavy pollutions impair growth health punctatusAbstractHeavy aquatic organisms open ecosystems was detected globally, including Bangladesh. This study evaluated hypothesis whether contamination impacts reproduction using wild Channa as an experimental animal. The a freshwater fish, punctata, collected from five habitats, assayed bioaccumulation. Atomic absorption spectrometry cadmium (Cd), chromium (Cr), mercury (Hg), lead (Pb) muscle punctata. Cd, Cr, Pb concentrations highest specimen Turag River lowest Dharla River. concentration Hg found specimens Karatoya (0.093 ± 0.004 mg/kg). length-weight relationship condition factor indicated negative allometric (b<3.0) poor wellness (F<1.0) all stocks except We estimated size at first sexual maturity (L50), ova diameter, fecundity, gonadosomatic index (GSI) to assess determined correlation that higher impairs by lowering spawning performance. showed impaired fish's health, potentially affecting future recruitment fishery sustainability.

Language: Английский

---

Size- and Month-Dependent Bioaccumulation of Trace Elements and Toxic Metals in Atlantic Bonito (Sarda sarda, Bloch, 1793): Implications for Nutritional Security and Environmental Health

Journal of Trace Elements in Medicine and Biology, Journal Year: 2025, Volume and Issue: unknown, P. 127664 - 127664

Published: April 1, 2025

Language: Английский

---

High‐Throughput Shotgun Metagenomics of Microbial Footprints Uncovers a Cocktail of Noxious Antibiotic Resistance Genes in the Winam Gulf of Lake Victoria, Kenya

Journal of Tropical Medicine, Journal Year: 2024, Volume and Issue: 2024(1)

Published: Jan. 1, 2024

A diverse range of pollutants, including heavy metals, agrochemicals, pharmaceutical residues, illicit drugs, personal care products, and other anthropogenic contaminants, pose a significant threat to aquatic ecosystems. The Winam Gulf Lake Victoria, heavily impacted by surrounding human activities, faces potential contamination from these pollutants. However, studies exploring the presence antibiotic resistance genes (ARGs) in lake remain limited. In current study, shotgun metagenomics approach was employed identify ARGs related pathways. Genomic DNA extracted water sediment samples sequenced using high-throughput Illumina NovaSeq platform. Additionally, phenotypic assessed disk diffusion method with commonly used antibiotics.

Language: Английский

---

Olfactory Impairment and Recovery in Zebrafish (Danio rerio) Following Cadmium Exposure

Biology, Journal Year: 2025, Volume and Issue: 14(1), P. 77 - 77

Published: Jan. 15, 2025

Anthropic activities have significantly elevated cadmium levels, making it a significant stressor in aquatic ecosystems. Present high concentrations across water bodies, is known to bioaccumulate and biomagnify throughout the food chain. While toxic effects of on organs tissues species are well-documented, little about its impact sensory systems crucial for survival. Consequently, this study investigated short-term exposure (96 h) 25 µM chloride olfactory system adult zebrafish. The research aimed assess structural functional changes zebrafish's lamellae, providing deeper understanding how affects sense smell species. After exposure, cyto-anatomical alterations lamellae were analysed using light microscopy immunocytochemistry. They revealed severe lamellar edema, epithelial thickening, an increased number apoptotic crypt cells. Rodlet goblet cells also by 3.5- 2.5-fold, respectively, compared control collagen density lamina propria 1.7-fold. Cadmium upregulated metallothioneins PCNA-positive function was assessed through behavioural odour recognition test, followed recovery phase which zebrafish exposed placed clean six days. fish performed poorly, failing reach five consecutive trials. However, damage reduced after period, their performance improved, becoming comparable group. These results suggest that disrupts smell, possible exposure. This evidence sheds aspects animal survival often overlooked when assessing environmental pollution.

Language: Английский

---

Modern assessment of copper, lead, cadmium, and nickel concentrations in the water of the Lower Don

Hygiene and Sanitation, Journal Year: 2025, Volume and Issue: 104(1), P. 23 - 30

Published: Jan. 31, 2025

Introduction. Anthropogenic impact has affected the state of lower reaches Don River, while reducing natural reproduction commercial fish species. Currently, for conservation and species, passing semi-passing species are released into reservoir. Therefore, water quality control, including content heavy metals, Lower is especially important. Materials methods. The paper presents data from analytical testing center Azov-Black Sea branch Russian Research Institute Fisheries Oceanography. Water samples were collected at eight monitoring stations in river. Dissolved forms metals such as copper, lead, cadmium, nickel detected samples. Results. In course research, some concentrations copper found to exceed MPC. Such did not MPC throughout study. Annual seasonal trend metal also established. Limitations. limitation research this work lies fact that taken River only 8 stations, which does provide complete information on territory entire region. Conclusion. safe purposes aquaculture since no exceedances detected. However, exceeded MPC, indicates contamination reservoir, well need carry out a set measures purify facility.

Language: Английский

---