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Microplastics Interest Group Ideas/SuggestionsWed. Nov. 7th, 2018 SETAC North America MeetingIdeas Our Group Can Work On:StandardizeSamplingAnalytical methods across different matricesQA/QC protocolDocument uncertainty of quantification methodsMethod validation% particles analyzed by FTIR/RamanReporting (units, recovery data)Open source spectral database across all instruments and brandsDeveloping quantitative risk assessment frameworkList from attendees (blue = research ideas):Standardize sampling and QA/QC protocols and analytical methods across different matrices (e.g. wastewater effluent)Document variance/uncertainty of quantification methods (thus exposure) (Burton)Standardize reporting; report same units/recovery data/etc.Detecting nanoplastics migration in fish tissue by surface enhanced Raman spectroscopy (anna_kolomijeca@inbox.lv)Sub groups interested in focusing on developing risk assessment frameworks/approaches especially those that are quantitativeTime series for dissolution/desorption/release of intrinsic chemicals Creating an open source database of Raman, FTIR spectra that can apply to multiple instruments (e.g. Bruker FTIR, etc.) (e.g. Primpke 2018)Investigating polymer additives (mixtures) and pigments associated to microplasticsFurther characterize the physiochemical properties of micro/nanoplastics surfacesWe need isolation and mild organic digestion techniques to separate and chemically analyze the microplastic for additives to do thisNeed for QA/QC, methods validation including sampling, % particles confirmed via FTIR/RamanInterference of pigments with FTIR vs. RamanMicroplastics in other compartments than the marine environment (i.e. terrestrial, in built, food) (Abel Machado) ................
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