Nano and Other Emerging Chemical Technologies Blog

On February 6, 2025, the European Union (EU) Advocate General (EU AG) recommended that the European Court of Justice (ECJ) overturn the 2022 decision of the General Court annulling the 2019 harmonized classification and labeling of titanium dioxide as a carcinogenic substance by inhalation in certain powder forms. As reported in our December 6, 2022, memorandum, the court annulled the European Commission’s (EC) decision to classify titanium dioxide as a suspected human carcinogen. The French...

The Organisation for Economic Co-operation and Development (OECD) has published the Developments in Delegations on the Safety of Manufactured Nanomaterials and Advanced Materials between July 2023 and June 2024 — Tour de Table (Tour de Table). Below are highlights on international developments from the Tour de Table:...

The Organisation for Economic Co-operation and Development (OECD) has published the Developments in Delegations on the Safety of Manufactured Nanomaterials and Advanced Materials between July 2023 and June 2024 — Tour de Table (Tour de Table). The Tour de Table lists U.S. developments on the human health and environmental safety of nanomaterials. Risk assessment decisions, including the type of nanomaterials assessed, testing recommended, and outcomes of the assessment include: The Tour de...

On December 19, 2024, the National Nanotechnology Coordination Office (NNCO) released The National Nanotechnology Initiative Supplement to the President’s 2025 Budget, which also serves as the annual report for the National Nanotechnology Initiative (NNI). According to the report, President Biden’s fiscal year (FY) 2025 budget requests over $2.2 billion for NNI, with cumulative funding totaling over $45 billion since the inception of NNI in 2001 when Congress approved increased funding for...

On December 18, 2024, the National Nanotechnology Initiative (NNI) announced the availability of the National Nanotechnology Initiative Environmental, Health, and Safety Research Strategy: 2024 Update. Prepared by the Nanotechnology Environmental and Health Implications (NEHI) Working Group within the Nanoscale Science, Engineering, and Technology (NSET) Subcommittee of the National Science and Technology Council, the 2024 update builds on the initial 2011 strategy, laying out a comprehensive,...

The European Union (EU) Observatory for Nanomaterials (EUON) announced on December 4, 2024, the availability of the European Chemical Agency’s (ECHA) Second interim evaluation of the European Union Observatory for Nanomaterials (EUON). Prepared by WSP acting as a third-party evaluator, the interim evaluation assesses EUON against six criteria: effectiveness; efficiency (including economy and proportionality); relevance; coherence; EU-added value; and utility. WSP’s recommendations include:...

On December 12, 2024, the U.S. Environmental Protection Agency (EPA) issued several final significant new use rules (SNUR) for certain chemical substances that were the subject of premanufacture notices (PMN) and are also subject to an Order issued by EPA pursuant to the Toxic Substances Control Act (TSCA). 89 Fed. Reg. 100361. Two of the SNURs are for substances identified generically as multi-walled carbon nanotubes (PMN P-21-216 and PMN P-21-217). The SNURs require persons who...

The European Union (EU) Observatory for Nanomaterials (EUON) announced on November 12, 2024, that it published a new study evaluating nanomaterials applications in biocidal, plant protection, and fertilizing products used in agriculture. The study, “Collection and review of information on nanomaterial-based and nano-enabled plant protection products, biocidal products and fertilising products,” addresses knowledge gaps on applications, exposure, and hazards of nanomaterials and...

The European Commission’s (EC) Scientific Committee on Consumer Safety (SCCS) published its final opinion on a new coating for titanium dioxide on October 25, 2024. According to the abstract, SCCS concluded that “there are a number of uncertainties and data gaps that do not allow a conclusion on the safety of titanium dioxide (nano) coated with a combination of w/w 6% Aluminium Hydroxide, 14% Sodium Myristoyl Sarcosinate and 10% Dimethicone (Eclipse 70) — either on...

The National Nanotechnology Coordination Office (NNCO) is organizing a series of National Nanotechnology Initiative (NNI) webinars on nanometrology, metrological challenges, and recent advances in three topical areas: food, agriculture, and the environment; nanoscale medical and pharmaceutical products; and nanoparticles in electronics. Registration is open for the sixth webinar in the series, “Nanometrology for Continuous and Automated Manufacturing.” The November 1, 2024, webinar will...

On October 10, 2024, the European Union (EU) Observatory for Nanomaterials (EUON) announced that, in collaboration with NovaMechanics, it is conducting a survey to gather insights on analytical methods for identifying, characterizing, and quantifying carbon-based nanomaterials in various matrices. According to EUON, the initiative “aims to assess the current situation about analytical methods for these types of nanomaterials, whether advanced or more classical nanomaterials.” Responses will...

The European Union (EU) Observatory for Nanomaterials (EUON) announced on September 26, 2024, that the European Food Safety Authority (EFSA) has published the following reports under its NAMs4NANO Project:...

On October 5, 2024, the Minister of the Environment announced in the Canada Gazette publication of a proposed plan of priorities for the assessment of chemical substances. Under the 2023 amendments to the Canadian Environmental Protection Act, 1999 (CEPA), the Minister of the Environment and the Minister of Health are required to “develop, consult on and publish a plan with timelines” by June 2025. The proposed list of prioritized substances for assessment and the rationales...

On September 25, 2024, the National Institute for Occupational Safety and Health (NIOSH) posted a NIOSH Science Blog item entitled “Celebrating 20 Years of the Nanotechnology Research Center: Measuring the Small Things,” the final installment of the blog series commemorating the 20th anniversary of the Nanotechnology Research Center (NTRC). According to the item, when NTRC was created in 2004, one of its biggest challenges was understanding exactly what to measure and how to measure it....

The National Institute for Occupational Safety and Health (NIOSH) posted a blog item on September 10, 2024, entitled “NTRC Marks 20 Years of Studying Nanotoxicology: Highlights from the Toxicology and Internal Dose Team” that reviews the Nanotechnology Research Center’s (NTRC) achievements in the field of nanotechnology. The blog item highlights where NTRC started, where it is now, NTRC’s partnerships, and its work modeling workplace exposure to assess toxicity. According to the blog...

The National Nanotechnology Coordination Office (NNCO) is organizing a series of National Nanotechnology Initiative (NNI) webinars on nanometrology, metrological challenges, and recent advances in three topical areas: food, agriculture, and the environment; nanoscale medical and pharmaceutical products; and nanoparticles in electronics. Registration is open for the fifth webinar in the series, “Nanometrology for Continuous and Automated Manufacturing.” The October 4, 2024, webinar will...

As part of its quadrennial review of the National Nanotechnology Initiative (NNI), the National Academies of Sciences, Engineering, and Medicine (NASEM) will hold a virtual town hall on September 5, 2024, for stakeholders to share their thoughts on the future of nanotechnology in the United States. The overall objective of NASEM’s review is to identify opportunities and barriers to broadening access to nanotechnology research and development (R&D) infrastructure in the United States. As...

On August 20, 2024, the U.S. Environmental Protection Agency (EPA) proposed significant new use rules (SNUR) ) under the Toxic Substances Control Act (TSCA) for chemical substances, including graphene nanoplatelets (generic), that were the subject of premanufacture notices (PMN) and a Microbial Commercial Activity Notice (MCAN) and are also subject to a TSCA Order. 89 Fed. Reg. 67368. The SNURs would require persons who intend to manufacture (defined by statute to include import) or process...

The U.S. Environmental Protection Agency (EPA) is seeking applications for research to develop and demonstrate nanosensor technology with the potential to detect, monitor, and degrade per- and polyfluoroalkyl substances (PFAS) in groundwater or surface water that may be used as drinking water sources. EPA states that advances in nanoscience and nanotechnology have the potential to address the challenges of detection and treatment of PFAS-contaminated waters. Because nanomaterials are smaller in...

The National Institute for Occupational Safety and Health (NIOSH) posted a blog item on August 1, 2024, entitled “When Nanoparticles Blow Up — Explosion Hazards of Nanoparticles.” According to the blog item, little is known about the potential explosivity of any material when subdivided down to the nanoscale, prompting the NIOSH Nanotechnology Research Center (NTRC) to study the explosivity of several classes of nanoparticles: The blog item states that “[c]ombustibility should...