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    Kick off of nanomaterial risk assessment project GRACIOUS

    Date : 1396/11/25 Visit : 79
    The newly started H2020 GRACIOUS project will develop a highly innovative science-based framework that supports the assessment of risk posed by the ever increasing array of nanomaterials on the market.

    The framework will streamline the process for assessing their risk by logically grouping nanomaterials, allowing extrapolation between (read-across) nanomaterials and reducing the need to assess exposure and toxicity on a case-by-case basis.

    The kick-off meeting was held in Edinburgh, UK on 22-23 January 2018, where members of the consortium discussed how to involve key partners of small, medium and large scale industries as well as national and international policy makers and regulators.

    Industry has the ability to modify the chemical and physical characteristics of materials at the nanoscale leading to a wide array of nanomaterials (NMs) varying in size, morphology and surface characteristics. Due to financial, time and ethical considerations, safety testing of every unique NM for their potential adverse effects is virtually impossible. For this reason, more efficient ways to obtain safety information are needed.

    Bringing together 23 partners spanning Europe and the USA, GRACIOUS aims to generate a highly innovative science-based framework accounting for those issues with the ultimate aim of streamlining the risk assessment process.

    The GRACIOUS framework will be underpinned by scientific hypotheses, identifying endpoints relevant to grouping and read-across. To generate the knowledge and data needed to identify and test these hypotheses Intelligent Testing Strategies (ITSs) will be developed to cover all domains of relevance for risk assessment:

    Lifecycle environmental release and human exposure
    What they are: physicochemical identity
    Where they go: Environmental fate, uptake and toxicokinetics
    What they do: human and environmental toxicity
    The ITSs will reduce, refine and replace (where possible) the need for animal testing by promoting the use of modelling (e.g. in silico, fate, exposure), in vitro and cell-free tests.

    Project Coordinator, Professor Vicki Stone explained the expected impact of GRACIOUS: “Application of the framework will allow movement away from the case-by-case risk assessment paradigm, thereby improving the efficiency of risk analysis and decision making for safer design of quality nano enabled products.”

    To ensure this is achieved the framework will be delivered as both a guidance document and software module designed for practical application to:

    Help industries and regulators assess environmental and human health risks of existing nanomaterials and -forms cost-effectively
    Facilitate business decisions concerned with developing new NEPs
    Inform Safety by Design practices.