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61,005 resultsShowing papers similar to Combination of multivariate data analysis and mixing modelling to assess tracer potential of contaminants of emerging concern in aquifers
ClearContaminants of emerging concern in the urban aquifers of Barcelona: Do they hamper the use of groundwater?
Researchers compiled data on contaminants of emerging concern — including pharmaceuticals, benzotriazoles, and pesticides — in Barcelona's urban aquifers, finding that several compounds including azithromycin, lamotrigine, and gabapentin pose intermediate to very high health risks, particularly for young children, challenging the viability of this groundwater as a drinking source.
Identification of biomarkers in wastewater-based epidemiology: Main approaches and analytical methods
This review covers biomarker identification in wastewater-based epidemiology, examining how emerging contaminants including microplastics and pharmaceuticals in wastewater can serve as population-level indicators of disease, health behaviors, and chemical exposures in cities.
Contaminants in Urban Stormwater: Barcelona case study
Researchers analyzed contaminants in urban stormwater runoff in Barcelona, examining dissolved organics, metals, nutrients, and microplastics to assess risks to environmental and public health as cities consider stormwater as a potential groundwater recharge source.
Understanding the impacts of human wastewater effluent pollution on karst springs using chemical contamination fingerprinting techniques
Researchers used multi-tracer chemical fingerprinting to trace human wastewater contamination into karst spring systems, finding that these highly permeable aquifers rapidly transmit pollutants including pharmaceuticals and potentially microplastics from surface sources to drinking water springs.
Detecting Emerging Contaminants in Groundwater: Risks to Ecosystems and Human Health
This review examines how emerging contaminants including pharmaceuticals, personal care products, and microplastics infiltrate groundwater through landfill leaching, septic systems, and agricultural runoff. Researchers highlight the challenges of detecting these pollutants at low concentrations and their ability to persist and spread through groundwater systems. The study emphasizes the urgent need for advanced detection technologies and stronger regulatory frameworks to protect groundwater resources.
Statistical modeling of groundwater geochemistry in northeastern Brazil
Researchers characterized the hydrochemical composition and spatial variability of groundwater in the Beberibe aquifer in northeastern Brazil using geostatistical analysis, Piper diagrams, and principal component analysis of data from 34 georeferenced wells, finding that proximity to the coast and depth influenced ionic composition and identifying key geochemical processes controlling water quality.
GLOBAL-FATE: A GIS-based model for assessing contaminantsfate in the global river network
A global computational model was developed to trace how pharmaceutical compounds consumed by people flow through rivers worldwide after passing through wastewater treatment. The model framework is adaptable to other contaminants, including microplastics, for global pollution mapping.
Medical Household Waste as a Potential Environmental Hazard: An Ecological and Epidemiological Approach
Researchers investigated household pharmaceutical waste disposal practices and analyzed drug residues in water bodies near Mexico's largest urban population, identifying frequently detected medications and assessing associated environmental and health risks.
Purpose-Designed Hydrogeological Maps in Wide Interconnected Surface-Groundwater Systems: The Test Example of Parma Alluvial Aquifer and Taro River Basin (Northern Italy)
Not relevant to microplastics — this paper presents a methodology for designing hydrogeological maps of surface water and groundwater systems in northern Italy.
Green Analytical Chemistry Strategies for Urban Wastewater Monitoring of Emerging Contaminants: a Machine Learning and Multi-technique Strategy
This study developed a green analytical chemistry strategy combining machine learning and multiple spectroscopic techniques to monitor emerging contaminants including microplastics, pharmaceuticals, and endocrine-disrupting chemicals in urban wastewater from Nigerian cities. The approach reduced toxic reagent use while improving detection accuracy for a wide range of contaminants.
Environmental chemistry, toxicity and health risk assessment of groundwater: Environmental persistence and management strategies
This review examines groundwater contamination from heavy metals, pesticides, microplastics, and emerging pollutants, assessing health risks and highlighting the need for integrated management strategies to protect this critical freshwater resource.
Determination of the pharmaceuticals–nano/microplastics in aquatic systems by analytical and instrumental methods
Researchers reviewed analytical and instrumental methods for detecting pharmaceutical compounds associated with nano- and microplastic particles in aquatic systems. They examined how pharmaceuticals bind to plastic particles and the combined environmental risks these mixtures pose to water sources and marine life. The study identifies gaps in current detection capabilities and calls for improved methods to assess the combined impact of these co-occurring pollutants.
Assessment of the groundwater recharge processes of a shallow and deep aquifer system (Maggiore Valley, Northwest Italy): a hydrogeochemical and isotopic approach
Researchers analyzed water chemistry and isotopes across shallow and deep groundwater systems in northwest Italy, tracing how water from distant mountain recharge zones mixes before reaching a heavily used drinking water well field. The study clarifies potential pathways for pollutants to reach drinking water supplies, providing critical information for protecting this major regional water resource.
High Spatiotemporal Model-Based Tracking and Environmental Risk-Exposure of Wastewater-Derived Pharmaceuticals across River Networks in Saxony, Germany
This is an environmental engineering study modeling how pharmaceuticals from wastewater treatment plants travel through river networks in Saxony, Germany; it is not a microplastics research paper.
Drinking Water Systems as a Cocktail of Emerging Organic Contaminants: Occurrence, Public Health Risks, and Research Needs
This review synthesized the occurrence of emerging organic contaminants in drinking water systems worldwide, highlighting the public health risks of pharmaceuticals, personal care products, pesticides, and industrial chemicals in treated drinking water and calling for improved monitoring.
(Bio)monitoring of pharmaceuticals in the Mediterranean aquatic environment and interactive effect with microplastics. Insights from field and laboratory studies
This biomonitoring study surveyed the presence of pharmaceutical compounds in Mediterranean aquatic environments, measuring concentrations in water, sediment, and biota across multiple sampling sites. Several drugs were detected at levels of potential concern for aquatic organisms.
Identification of surface water quality pollution areas and pollution sources based on spatial clustering and random forest in Henan, China
This study used spatial cluster analysis to identify surface water quality pollution areas and trace pollution sources across Henan Province, China. Spatial dependence analysis revealed distinct contaminated zones and their likely sources, enabling targeted remediation strategies for different pollution types.
Current Status of Emerging Contaminant Models and Their Applications Concerning the Aquatic Environment: A Review
This review categorizes the various computer models used to predict how emerging contaminants, including microplastics and pharmaceuticals, behave in aquatic environments. Researchers compared conventional water quality models, multimedia fugacity models, and machine learning approaches, finding that machine learning models offer the most versatility for tasks like contaminant identification and risk assessment. The study highlights that while modeling capabilities have advanced rapidly, gaps remain in applying these tools to real-world water pollution scenarios.
Analysis of psychoactive substances and metabolites in sludges, soils, sediments and biota: a review
Researchers reviewed analytical methods for detecting psychoactive drugs and pharmaceuticals in sewage sludge, soils, sediments, and wildlife, comparing extraction techniques like solid-liquid extraction and QuEChERS for their effectiveness with complex environmental samples. This work helps improve monitoring of pharmaceutical pollution that threatens aquatic ecosystems and water supplies.
Source-related smart suspect screening in the aqueous environment: search for tire-derived persistent and mobile trace organic contaminants in surface waters
Researchers developed a targeted screening method to trace chemical contaminants leaching from tire rubber into urban waterways, identifying 41 compounds — including persistent benzothiazoles and glycols — at high rates in both urban creeks and wastewater treatment plant inflows, showing tire wear particles are a major pollution source.
Seabed Pollution Near Industrialized Seaports: An Enhanced Multivariate Technique to Explore Trace Element Dynamics
Researchers analyzed sediments from the industrialized port of Gijón Bay in Spain, finding elevated concentrations of toxic elements like mercury, lead, and zinc near the port mouth using advanced statistical and geostatistical techniques, revealing how industrial shipping activity leaves lasting chemical signatures in coastal seabeds.
Occurrence of specific pollutants in a mixture of sewage and rainwater from an urbanized area
Researchers characterized specific pollutants in combined sewage and rainwater from an urban mixed drainage system, identifying microplastics, pharmaceuticals, and other contaminants and assessing their concentrations relative to environmental quality standards.
A continuation-dynamic constitution analysis approach based on digital stable marker tracing and study on simulation of ecological tidal water diversion
Researchers developed a digital water-tracing method to track how diverted river water mixes and moves through a local canal network in China, quantifying each water source's contribution over time to help engineers optimize water diversion projects that improve water quality in urban waterways.
Multi-residue ultra-performance liquid chromatography coupled with tandem mass spectrometry method for comprehensive multi-class anthropogenic compounds of emerging concern analysis in a catchment-based exposure-driven study
Researchers developed a multi-residue analytical method capable of simultaneously quantifying more than 142 anthropogenic compounds of emerging concern, including pharmaceuticals, pesticides, and plastic additives, in catchment water samples. This comprehensive method enables broad environmental screening to understand the co-occurrence of diverse chemical pollutants in freshwater systems.