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The oxidative potential of nanomaterials: an optimized high-throughput protocol and interlaboratory comparison for the ferric reducing ability of serum (FRAS) assay (2024)
Journal Article
Ruijter, N., Boyles, M., Braakhuis, H., Ayerbe Algaba, R., Lofty, M., di Battista, V., Wohlleben, W., Cassee, F. R., & Candalija, A. (2024). The oxidative potential of nanomaterials: an optimized high-throughput protocol and interlaboratory comparison for the ferric reducing ability of serum (FRAS) assay. Nanotoxicology, 18(8), 724-738. https://doi.org/10.1080/17435390.2024.2438116

Successful implementation of Safe and Sustainable by Design (SSbD) and grouping approaches requires simple, reliable, and cost-effective assays to facilitate hazard screening at early stages of product development. Especially for nanomaterials (NMs),... Read More about The oxidative potential of nanomaterials: an optimized high-throughput protocol and interlaboratory comparison for the ferric reducing ability of serum (FRAS) assay.

Investigating Exposure and Hazards of Micro- and Nanoplastics During Pregnancy and Early Life (AURORA Project): Protocol for an Interdisciplinary Study (2024)
Journal Article
Durkin, A. M., Zou, R., Boucher, J. M., Boyles, M. S., van Boxel, J., Bustamante, M., Christopher, E. A., Dadvand, P., Dusza, H. M., van Duursen, M., Forsberg, M. M., Galea, K. S., Legler, J., Mandemaker, L. D., Meirer, F., Muncke, J., Nawrot, T. S., Přibylová, P., Robuck, A. R., Saenen, N. D., …Vermeulen, R. (2024). Investigating Exposure and Hazards of Micro- and Nanoplastics During Pregnancy and Early Life (AURORA Project): Protocol for an Interdisciplinary Study. JMIR Research Protocols, 13, Article e63176. https://doi.org/10.2196/63176

Background:
Micro- and nanoplastics (MNPs) are emerging pollutants of concern with ubiquitous presence in global ecosystems. MNPs pose potential implications for human health; however, the health impacts of MNP exposures are not yet understood. Rece... Read More about Investigating Exposure and Hazards of Micro- and Nanoplastics During Pregnancy and Early Life (AURORA Project): Protocol for an Interdisciplinary Study.

Safe(r)-by-design principles in the thermoplastics industry: guidance on release assessment during manufacture of nano-enabled products (2024)
Journal Article
McLean, P., Hanlon, J., Salmatonidis, A., Galea, K. S., Brooker, F., Citterio, C., Magni, D., Vázquez-Campos, S., Lotti, D., & Boyles, M. S. P. (2024). Safe(r)-by-design principles in the thermoplastics industry: guidance on release assessment during manufacture of nano-enabled products. Frontiers in Public Health, 12, https://doi.org/10.3389/fpubh.2024.1398104

Background: The application of nanomaterials (NMs) and nano-enabled products (NEPs) across many industries has been extensive and is still expanding decades after first being identified as an emerging technology. Additive manufacturing has been great... Read More about Safe(r)-by-design principles in the thermoplastics industry: guidance on release assessment during manufacture of nano-enabled products.

Impacts of micro- and nanoplastics on early-life health: a roadmap towards risk assessment (2024)
Journal Article
Christopher, E. A., Christopher-de Vries, Y., Devadoss, A., Mandemaker, L. D., van Boxel, J., Copsey, H. M., Dusza, H. M., Legler, J., Meirer, F., Muncke, J., Nawrot, T. S., Saenen, N. D., Scholz-Böttcher, B. M., Tran, L., Weckhuysen, B. M., Zou, R., Zimmermann, L., Galea, K. S., Vermeulen, R., & Boyles, M. S. P. (in press). Impacts of micro- and nanoplastics on early-life health: a roadmap towards risk assessment. Microplastics and Nanoplastics, 4(1), 13. https://doi.org/10.1186/s43591-024-00089-3

Micro- and nanoplastics (MNPs) are ubiquitous environmental pollutants representing a concern for human health. MNPs have been detected in human placentas, indicating that during pregnancy maternal exposure may lead to placental transfer and foetal e... Read More about Impacts of micro- and nanoplastics on early-life health: a roadmap towards risk assessment.

Improving the dichloro-dihydro-fluorescein (DCFH) assay for the assessment of intracellular reactive oxygen species formation by nanomaterials (2024)
Journal Article
Ruijter, N., van der Zee, M., Katsumiti, A., Boyles, M., Cassee, F. R., & Braakhuis, H. (2024). Improving the dichloro-dihydro-fluorescein (DCFH) assay for the assessment of intracellular reactive oxygen species formation by nanomaterials. NanoImpact, 35, Article 100521. https://doi.org/10.1016/j.impact.2024.100521

To facilitate Safe and Sustainable by Design (SSbD) strategies during the development of nanomaterials (NMs), quick and easy in vitro assays to test for hazard potential at an early stage of NM development are essential. The formation of reactive oxy... Read More about Improving the dichloro-dihydro-fluorescein (DCFH) assay for the assessment of intracellular reactive oxygen species formation by nanomaterials.

A comparison of dermal toxicity models; assessing suitability for safe(r)-by-design decision-making and for screening nanomaterial hazards (2024)
Journal Article
McLean, P., Marshall, J., García, A., Beal, D., Katsumiti, A., Carrière, M., & Boyles, M. (2024). A comparison of dermal toxicity models; assessing suitability for safe(r)-by-design decision-making and for screening nanomaterial hazards. Toxicology in Vitro, 97, Article 105792. https://doi.org/10.1016/j.tiv.2024.105792

The objective of Safe-by-Design (SbD) is to support the development of safer products and production processes, and enable safe use throughout a materials' life cycle; an intervention at an early stage of innovation can greatly benefit industry by re... Read More about A comparison of dermal toxicity models; assessing suitability for safe(r)-by-design decision-making and for screening nanomaterial hazards.

Establishing relationships between particle-induced in vitro and in vivo inflammation endpoints to better extrapolate between in vitro markers and in vivo fibrosis (2023)
Journal Article
McLean, P., Mueller, W., Gosens, I., Cassee, F. R., Rothen-Rutishauser, B., Boyles, M., & Tran, L. (2023). Establishing relationships between particle-induced in vitro and in vivo inflammation endpoints to better extrapolate between in vitro markers and in vivo fibrosis. Particle and fibre toxicology, 20(1), Article 5. https://doi.org/10.1186/s12989-023-00516-y

Background: Toxicity assessment for regulatory purposes is starting to move away from traditional in vivo methods and towards new approach methodologies (NAM) such as high-throughput in vitro models and computational tools. For materials with limited... Read More about Establishing relationships between particle-induced in vitro and in vivo inflammation endpoints to better extrapolate between in vitro markers and in vivo fibrosis.

The State of the Art and Challenges of In Vitro Methods for Human Hazard Assessment of Nanomaterials in the Context of Safe-by-Design (2023)
Journal Article
Ruijter, N., Soeteman-Hernández, L. G., Carrière, M., Boyles, M., McLean, P., Catalán, J., Katsumiti, A., Cabellos, J., Delpivo, C., Sánchez Jiménez, A., Candalija, A., Rodríguez-Llopis, I., Vázquez-Campos, S., Cassee, F. R., & Braakhuis, H. (2023). The State of the Art and Challenges of In Vitro Methods for Human Hazard Assessment of Nanomaterials in the Context of Safe-by-Design. Nanomaterials, 13(3), Article 472. https://doi.org/10.3390/nano13030472

The Safe-by-Design (SbD) concept aims to facilitate the development of safer materials/products, safer production, and safer use and end-of-life by performing timely SbD interventions to reduce hazard, exposure, or both. Early hazard screening is a c... Read More about The State of the Art and Challenges of In Vitro Methods for Human Hazard Assessment of Nanomaterials in the Context of Safe-by-Design.

Integrated approaches to testing and assessment for grouping nanomaterials following dermal exposure (2022)
Journal Article
Di Cristo, L., Janer, G., Dekkers, S., Boyles, M., Giusti, A., Keller, J. G., Wohlleben, W., Braakhuis, H., Ma-Hock, L., Oomen, A. G., Haase, A., Stone, V., Murphy, F., Johnston, H. J., & Sabella, S. (2022). Integrated approaches to testing and assessment for grouping nanomaterials following dermal exposure. Nanotoxicology, 16(3), 310-332. https://doi.org/10.1080/17435390.2022.2085207

Exposure to different nanoforms (NFs) via the dermal route is expected in occupational and consumer settings and thus it is important to assess their dermal toxicity and the contribution of dermal exposure to systemic bioavailability. We have formula... Read More about Integrated approaches to testing and assessment for grouping nanomaterials following dermal exposure.

Determining nanoform similarity via assessment of surface reactivity by abiotic and in vitro assays (2022)
Journal Article
Ag Seleci, D., Tsiliki, G., Werle, K., Elam, D. A., Okpowe, O., Seidel, K., Bi, X., Westerhoff, P., Innes, E., Boyles, M., Miller, M., Giusti, A., Murphy, F., Haase, A., Stone, V., & Wohlleben, W. (2022). Determining nanoform similarity via assessment of surface reactivity by abiotic and in vitro assays. NanoImpact, 26, Article 100390. https://doi.org/10.1016/j.impact.2022.100390

Grouping of substances is a method used to streamline hazard and risk assessment. Assessment of similarity provides the scientific evidence needed for formation of groups. This work reports on justification of grouping of nanoforms (NFs) via similari... Read More about Determining nanoform similarity via assessment of surface reactivity by abiotic and in vitro assays.