Identifying the minimum reporting standards and best practices related to the nanosafety domain in literature is a multi-step process that was manually performed to obtain the most suitable sources. First, a literature search for potentially relevant articles published between 2010 and 2021 was conducted through PubMed (), Google Search Engine (), and Europe PMC () . Keywords, such as "minimum reporting standards", "nanomaterial", "characterization", "best practices", "guidelines", "metadata", "data quality", "data completeness", "reusability", "nanosafety" were used in combination to form multi word search queries. Second, judging by the title and abstract, relevant articles mentioning, defining, assessing, listing nano-related properties, parameters, characteristics or standards required to assess safety or maximize utility of data were retrieved for further assessment. Third, bibliographies of the relevant articles and the Google Scholar profiles of their authors were screened for more references. Also, standards and technical reports from organizations were retrieved and examined whenever mentioned in the text. Finally, the final selection of sources was determined by assessing the following inclusion criteria: 1) published peer-reviewed articles introducing widely applicable reporting standards and not targeting a specific dataset or nanomaterial; 2) the minimum values/parameters to be reported are presented in a structured way (figures, tables, supplementary materials) and not just scattered in the text; 3) the MRS covers one or more of the following three groups (physicochemical characteristics, in vivo and in vitro experiment parameters); 4) the sources published in English; and 5) published after 2010 (including). The decision of searching for articles published after 2010 was mainly to cover the most recent standards in the field and stay up-to-date with guidelines and best practices. However, several checklists and MRSs were published before 2010 and already referenced in the selected sources.