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Wouter Fransman
Utrecht University
EngineeringExposure assessmentOccupational medicineMedicineEnvironmental health
73Publications
24H-index
1,516Citations
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Publications 70
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#1Neeraj ShandilyaH-Index: 7
Last. Wouter FransmanH-Index: 24
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This work presents a blueprint or set of guidelines for the planning and development of sustainable national centers dealing with the safety of nanomaterials and nanotechnologies toward public health and environment. The blueprint was developed following a methodological approach of EU-wide online survey and workshop with several stakeholders. The purpose was to identify the key elements and challenges in the development and sustainability of a national nanosafety center. The responses were rece...
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Measured data are generally preferred to modelled estimates of exposure. Grouping and read-across is already widely used and accepted approach in toxicology, but an appropriate approach and guidance on how to use existing exposure measurement data on one substance and work situation for another substance and/or work situation is currently not available. This study presents a framework for an extensive read-across of existing worker inhalable exposure measurement data. This framework enables the ...
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Model tools for estimating hazardous substance exposure are an accepted part of regulatory risk assessments in Europe, and models underpin control banding tools used to help manage chemicals in workplaces. Of necessity the models are simplified abstractions of real-life working situations that aim to capture the essence of the scenario to give estimates of actual exposures with an appropriate margin of safety. The basis for existing inhalation exposure assessment tools has recently been discusse...
4 CitationsSource
Dustiness is not an intrinsic physically defined property of a powder, but the tendency of particles to become airborne in response to mechanical and/or aerodynamic stimuli. The present study considers a set of 10 physical properties to which the powder dustiness can be attributed. Through a preliminary investigation of a standardized continuous drop test scenario, we present first set of results on the varying degrees or weights of influence of these properties on the aerosolization tendency of...
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#1Elena Semenzin (Ca' Foscari University of Venice)H-Index: 15
#2Vrishali Subramanian (Ca' Foscari University of Venice)H-Index: 7
Last. Antonio Marcomini (Ca' Foscari University of Venice)H-Index: 54
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The widespread use of engineered nanomaterials (ENMs) in consumer products and the overwhelming uncertainties in their ecological and human health risks have raised concerns regarding their safety among industries and regulators. There has been an ongoing debate over the past few decades on ways to overcome the challenges in assessing and mitigating nano-related risks, which has reached a phase of general consensus that nanotechnology innovation should be accompanied by the application of the pr...
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#1Eelco Kuijpers (UU: Utrecht University)H-Index: 10
#2Anjoeka PronkH-Index: 16
Last. Wouter FransmanH-Index: 24
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Introduction. Knowledge on the exposure characteristics, including release of nanomaterials, is especially needed in the later stages of nano-enabled products’ life cycles to perform better occupational risk assessments. The objective of this study was to assess the concentrations during sawing and drilling in car bumpers containing multi-walled carbon nanotubes (MWCNTs) and nanosized organic pigment (OP) under variable realistic workplace situations related to the ventilation in the room and ma...
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Verslag van de bijeenmkomst van de Contactgroep Gezondheid en Chemie(CGC) en de Nederlandse Vereniging voor Arbeidshygiene (NVvA) op 8 november 2018.
#1Emmanuel Belut (Institut national de recherche et de sécurité)H-Index: 4
Last. Martie van Tongeren (University of Manchester)H-Index: 29
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A particle exposure experiment inside a large climate-controlled chamber was conducted. Data on spatial and temporal distribution of nanoscale and fine aerosols in the range of mobility diameters 8-600 nm were collected with high resolution, for sodium chloride, fluorescein sodium, and silica particles. Exposure scenarios studied included constant and intermittent source emissions, different aggregation conditions, high (10 h?1) and low (3.5 h?1) air exchange rates (AERs) corresponding to chambe...
1 CitationsSource
: This review describes an evaluation of the effectiveness of Risk Management Measures (RMM) for nanomaterials in the workplace. Our aim was to review the effectiveness of workplace RMM for nanomaterials and to determine whether established effectiveness values of conventional chemical substances applied for modelling purposes should be adopted or revised based on available evidence. A literature review was conducted to collate nano-specific data on workplace RMM. Besides the quantitative effica...
10 CitationsSource
In the EU, 1 00 000 to 1 50 000 people are diagnosed with cancer caused by exposure to carcinogenic substances during their work every year. This exposure causes a lot of personal injury and considerable social costs, also in comparison with other causes of death. Exposure to carcinogens is a major risk factor; good reason to address this by prevention at the source. This can be done by substitution of carcinogenic substances or processes, or by design of workplaces and tools in combination with...
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