All Knowledge & Insights By Date

In December 2018, the International Standardization Organization (ISO) published standard SO/TS 16195:2018, “Nanotechnologies — Specification for developing representative test materials consisting of nano-objects in dry powder form.”  The standard specifies development of representative test materials consisting of nano-objects in dry powder form to enable test method development and improve comparability of data for nanotechnology applications.  The standard specifies that for...

On December 7, 2018, the Occupational Cancer Research Center (OCRC) held a seminar on “Perspectives on Mitigating Exposures to Engineered Nanomaterials in the Workplace.”  The seminar was part of the Occupational and Environmental Health seminar series supported by the Dalla Lana School of Public Health, Public Health Ontario, OCRC, and the Center for Research Expertise in Occupational Disease.  Pat Rasmussen, Health Canada/University of Ottawa, gave the presentation, addressing:...

In June 2018, the International Standardization Organization (ISO) published standard ISO/TS 21362:2018, “Nanotechnologies — Analysis of nano-objects using asymmetrical-flow and centrifugal field-flow fractionation.”  The document identifies parameters and conditions, as part of an integrated measurement system, necessary to develop and validate methods for the application of asymmetrical-flow and centrifugal field-flow fractionation to the analysis of nano-objects and their...

In April 2018, the International Standardization Organization (ISO) published standard ISO 19007:2018, “Nanotechnologies — In vitro MTS assay for measuring the cytotoxic effect of nanoparticles.”  The standard specifies a method for evaluating the effects of nano-objects and their aggregates and agglomerates on cellular viability using the MTS assay.  The assay design includes performance requirements and control experiments to identify and manage variability in the...

The Organization for Economic Cooperation and Development (OECD) has published a March 23, 2018, report entitled Evaluation of in vitro methods for human hazard assessment applied in the OECD Testing Programme for the Safety of Manufactured Nanomaterials.  The Testing Program for the Testing of Manufactured Nanomaterials tested 11 manufactured nanomaterials to generate information, including their physico-chemical properties, environmental fate, and environmental and mammalian...

In November 2017, the International Organization for Standardization (ISO) published standard ISO/TS 20787:2017, “Nanotechnologies — Aquatic toxicity assessment of manufactured nanomaterials in saltwater lakes using Artemia sp. Nauplii.”  ISO/TS 20787:2017 specifies a test method, aiming to maximize repeatability and reliability of testing, to determine whether manufactured nanomaterials are toxic to aquatic organisms, specifically Artemia sp. nauplius.  ISO states that ISO/TS...

In October 2017, the International Organization for Standardization (ISO) published standard ISO/TR 19057:2017, “Nanotechnologies — Use and application of acellular in vitro tests and methodologies to assess nanomaterial biodurability.”  The standard reviews the use and application of acellular in vitro tests and methodologies implemented in the assessment of the biodurability of nanomaterials and their ligands in simulated biological and environmental media.  It is intended to focus...

The International Organization for Standardization (ISO) has published standard ISO/TS 80004-13:2017, “Nanotechnologies — Vocabulary — Part 13:  Graphene and related two-dimensional (2D) materials.”  According to ISO, over the last decade, interest has arisen in graphene due to its “many exceptional properties.”  More recently, other materials with a similar structure have also shown promising properties, including monolayer and few-layer versions of hexagonal boron nitride,...

The International Organization for Standardization (ISO) has published standard ISO/TS 20477:2017, “Nanotechnologies — Standard terms and their definition for cellulose nanomaterial.”  The standard states that in industrial productions, cellulose nanomaterials can be manufactured by conversion of wood pulp through chemical, biological, or mechanical processes.  Due to their renewable nature and unique properties, cellulose nanomaterials have developed into platform materials that have...

The International Organization for Standardization (ISO) recently published standard ISO/TR 19601:2017, “Nanotechnologies — Aerosol generation for air exposure studies of nano-objects and their aggregates and agglomerates (NOAA).”  ISO states that, to evaluate the inhalation toxicity of NOAA, it is important to consider certain parameters that make the toxicity testing relevant to human exposure.  Three critical aspects to consider when designing and conducting an inhalation...