1,721 results match your criteria: "National Institute of Public Health and the Environment[Affiliation]"

The current work seeks to understand how the interactions between ZnO QDs and extracellular polymeric substances (EPS) may vary based on the types of EPS (loosely and tightly bound) and modes of eco-corona formation (In-situ or ex-situ). In-situ eco-corona refers to formation of an EPS layer on the QDs during the interactions with the algae whereas the ex-situ condition refers to forming the layer before the interactions. ZnO QDs were added at 0.

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The microbiome provides an active barrier to the external environment and aids in the metabolism of the host. Nanomaterials are known to interact with this microbiome host plane. Given the recent advances in techniques to study the microbiome, there has been a vast increase in studies trying to find causality in host response via the microbiome in nano-ecotoxicology.

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Quantifying aquifer heterogeneity using superparamagnetic DNA particles.

J Contam Hydrol

January 2025

Environmental Hydrogeology Group, Department of Earth Sciences, Utrecht University, Princetonlaan 8a, 3584 CB Utrecht, the Netherlands; Department of Statistics, Informatics and Modelling, National Institute of Public Health and the Environment, P.O. Box 1, 3720 BA Bilthoven, the Netherlands.

Identifying and determining hydraulic parameters of physically heterogeneous aquifers is pivotal for flow field analysis, contaminant migration and risk assessment. In this research, we applied a novel uniquely sequenced DNA tagged superparamagnetic silica microparticles (SiDNAmag) to quantify hydraulic parameters and associated uncertainties of a heterogeneous sand tank. In the sand tank with lens shaped heterogeneity, we conducted three sets of multi - point injection experiments in unconsolidated (1) homogeneous (zone 0), (2) heterogeneous with a no-conductivity-zone (zone 1), and (3) heterogeneous with a high-conductive-zone (zone 2).

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Modelling Data (MODA) reporting guidelines have been proposed for common terminology and for recording metadata for physics-based materials modelling and simulations in a CEN Workshop Agreement (CWA 17284:2018). Their purpose is similar to that of the Quantitative Structure-Activity Relationship (QSAR) model report form (QMRF) that aims to increase industry and regulatory confidence in QSAR models, but for a wider range of model types. Recently, the WorldFAIR project's nanomaterials case study suggested that both QMRF and MODA templates are an important means to enhance compliance of nanoinformatics models, and their underpinning datasets, with the FAIR principles (Findable, Accessible, Interoperable, Reusable).

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The transfer of nanoparticles (NPs) through the terrestrial food chain via foliar uptake presents poorly understood risks, especially in scenarios involving copollution and plant translocation. Herein, we exposed the radishes to single and mixed foliar doses of CeO NPs and deuterated polystyrene (DPS), investigating the trophic transfer of NPs from radish shoots/roots to snails. Compared to single treatments, mixture treatments increased Ce uptake by plants but had no effect on DPS uptake.

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The integration of next-generation sequencing into clinical diagnostics and surveillance initiatives is impeded by the lack of data analysis pipelines that align with privacy legislation and laboratory certification protocols. To address these challenges, we developed Jovian, an open-source, virus-focused, metagenomic analysis workflow for Illumina data. Jovian generates scaffolds enriched with pertinent annotations, including taxonomic classification, combined with metrics needed for quality assessment (coverage depth, average GC content, localization of open reading frames, minority single nucleotide polymorphisms), and incorporates host and disease metadata.

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Background: Frailty is a common condition in older people, and its prevalence increases with age. With an ageing population, the adverse consequences of frailty cause an increasing appeal to the health care system. The impact of frailty on population level is often assessed using adverse health outcomes, such as mortality and medication use.

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Fibrous microplastics in the environment: Sources, occurrence, impacts, and mitigation strategies.

Aquat Toxicol

November 2024

College of Environmental Sciences and Engineering, Qingdao University, Qingdao, 266071, China. Electronic address:

Fibrous microplastics (FMPs), a unique class of microplastics, are increasingly recognized as a significant environmental threat due to their ubiquitous presence and potential risks to ecological and human health. This review provides a comprehensive overview of FMPs, including their sources, prevalence in various environmental media, and potential impacts. FMPs, which can be found in over 90 % of certain environmental samples, originate from a diverse range of sources, including synthetic textiles, landfill waste, industrial emissions, and atmospheric deposition.

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Terrestrial systems are a significant sink for plastic contamination, including nano- and microplastics (NMPs). To date, limited information is available about the transfer of NMPs up the food web via trophic transfer, however, concerns about this exposure pathway for invertebrates and higher-level organisms have been raised. We aim to examine and quantify the trophic transfer of europium doped polystyrene nanoplastics (Eu-PS; NPs) within a terrestrial food chain.

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Aerobic granular sludge (AGS) is gaining popularity as an alternative to activated sludge for wastewater treatment. However, little information is available on AGS regarding the removal of organic micropollutants (OMPs) through sorption. In this study, the sorption behavior of 24 OMPs at environmentally relevant concentrations (1 μg/L) was investigated in six sludge fractions of varying sizes (>4 mm, 2-4 mm, 1-2 mm, 0.

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Article Synopsis
  • The study investigated the links between saturated and unsaturated fatty acids and cardiovascular disease (CVD), focusing on conditions like coronary heart disease (CHD) and stroke in a large group of participants.
  • Results showed that higher levels of saturated fatty acids were linked to increased CVD risks, with specific subtypes having varying effects on CHD and stroke.
  • Conversely, higher concentrations of certain polyunsaturated fatty acids (both n-3 and n-6 types) were associated with lower risks of CHD and stroke, suggesting dietary fats play a significant role in cardiovascular health.
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Despite the pervasive presence of nano- and microplastics (NMPs) in aquatic environments, their movement through food chains remains poorly understood. In this study, we explored the uptake of polystyrene plastics (PSPs) of varying sizes (26, 500, and 4800 nm) in Daphnia magna and their subsequent transfer to the freshwater mysid Limnomysis benedeni, shedding light on the intricate dynamics of NMP transfer in freshwater ecosystems. Our results show that in D.

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Background: the global population is ageing. As older people become more susceptible to frailty, an increase in frailty prevalence is also expected. Although frailty has been defined before in research, older peoples' perceptions of frailty do not always coincide with those used in research or medical settings.

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The DECISION project: DiscrEte Choice experIment Spinal manipulative therapy for lOw back paiN: A study protocol.

MethodsX

December 2024

Department of Health Sciences, Faculty of Science and Amsterdam Movement Science research institute, Vrije Universiteit, Amsterdam, the Netherlands.

The smallest worthwhile effect (SWE) is the smallest beneficial effect of an intervention that justifies the costs, risks, and inconveniences. The objective is to establish the SWE of spinal manipulative therapy (SMT) for the treatment of low back pain (LBP), and to gain insight into how different attributes of the treatment are traded among each other when choosing SMT. Part 1.

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Modeling the Toxicokinetics of Suspensions of Soluble Metallic Nanomaterials.

Chem Res Toxicol

October 2024

Institute of Environmental Sciences (CML), Leiden University, Einsteinweg 2, 2333 CC, Leiden, The Netherlands.

Proper risk assessment of the many new nanoforms (NFs) that are currently being developed and marketed is hindered by constraints in time and resources for testing their fate and (eco) toxicity profile. This problem has also been encountered in conventional chemical risk assessments, where the definition of related chemical groups can facilitate risk assessment for all class members. Whereas grouping and read-across methods are well established, such approaches are in the early stages of development for NFs.

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Perspectives on Advancing Multimodal Learning in Environmental Science and Engineering Studies.

Environ Sci Technol

September 2024

Division of Bioinformatics and Biostatistics, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, Arkansas 72079, United States.

The environment faces increasing anthropogenic impacts, resulting in a rapid increase in environmental issues that undermine the natural capital essential for human wellbeing. These issues are complex and often influenced by various factors represented by data with different modalities. While machine learning (ML) provides data-driven tools for addressing the environmental issues, the current ML models in environmental science and engineering (ES&E) often neglect the utilization of multimodal data.

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Contradictory mortality results in early 2-dose measles vaccine trials: interactions with oral polio vaccine may explain differences.

Int J Infect Dis

November 2024

Bandim Health Project, Indepth Network, Bissau, Guinea-Bissau; OPEN, Odense Patient Data Explorative Network, Institute of Clinical Research, Odense University Hospital/University of Southern Denmark, Odense, Denmark; Danish Institute for Advanced Study, University of Southern Denmark, Odense, Denmark.

Objectives: Between 2003 and 2019, three trials (randomised controlled trials [RCTs]) in Guinea-Bissau randomised infants to an early 2-dose measles vaccine (MV) schedule at 4 and 9 months vs standard MV at 9 months. The RCTs produced contradictory mortality results; the effect being beneficial in the 2-dose group in the first but tending to have higher mortality in the last two RCTs. We hypothesised that increased frequency of campaigns with oral polio vaccine (C-OPV) explained the pattern.

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Transcriptomic analysis reveals interactive effects of polyvinyl chloride microplastics and cadmium on Mytilus galloprovincialis: Insights into non-coding RNA responses and environmental implications.

Aquat Toxicol

October 2024

State Key Laboratory of Radio Frequency Heterogeneous Integration (Shenzhen University), College of Physics and Optoelectronic Engineering, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, PR China. Electronic address:

Despite increasing concerns regarding the interactions of microplastic and heavy metal pollution, there is limited knowledge on the molecular responses of marine organisms to these stressors. In this study, we used whole-transcriptome sequencing to investigate the molecular responses of the ecologically and economically important bivalve Mytilus galloprovincialis to individual and combined exposures of environmentally relevant concentrations of PVC microplastics and cadmium (Cd). Our results revealed distinct transcriptional changes in M.

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The COVID-19 pandemic affected the lives of older adults. Yet, little is known about changes in well-being among older adults during the pandemic, especially when COVID-19 measures were relaxed. Therefore, we aimed to assess changes in the well-being of older adults during multiple turning points of the pandemic.

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Article Synopsis
  • The study focused on the impact of copper-based nanopesticides (CBNPs) on a plant-caterpillar food chain, examining how these nanoparticles are transferred through the ecosystem and their effects on host microbiota.
  • CBNP application, particularly through foliar spraying, resulted in significant copper accumulation in plants, with different penetration characteristics noted between the two tested products, Reap2000 (RP) and HolyCu (HC).
  • The findings revealed that while RP encouraged more extensive microbial dispersal and affected the caterpillar's gut microbiota, HC showed a higher likelihood of trophic transfer to caterpillars, affecting their health and growth differently.
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Informing the public about chemical mixtures in the local environment: Currently applied indicators in the Netherlands and ways forward.

J Environ Manage

September 2024

Centre for Safety of Substances and Products, National Institute of Public Health and the Environment (RIVM), Bilthoven, 3720 BA, the Netherlands; Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, the Netherlands.

The current use of chemicals puts pressure on human and ecological health. Based on the Aarhus Convention, citizens have the right to have access to information on substances in their local environment. Providing this information is a major challenge, especially considering complex mixtures, as the current substance-by-substance risk assessment may not adequately address the risk of co-exposure to multiple substances.

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Respiratory sensitization is a complex immunological process eventually leading to hypersensitivity following re-exposure to the chemical. A frequent consequence is occupational asthma, which may occur after long latency periods. Although chemical-induced respiratory hypersensitivity has been known for decades, there are currently no comprehensive and validated approaches available for the prospective identification of chemicals that induce respiratory sensitization, while the expectations of new approach methodologies (NAMs) are high.

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